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<li class="navelem"><b>QuantLib</b> </li>
<li class="navelem"><a class="el" href="class_quant_lib_1_1_date.html">Date</a> </li>
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<!-- doxytag: class="QuantLib::Date" -->
<p>Concrete date class.
<a href="class_quant_lib_1_1_date.html#details">More...</a></p>
<p><code>#include <ql/time/date.hpp></code></p>
<p><a href="class_quant_lib_1_1_date-members.html">List of all members.</a></p>
<table class="memberdecls">
<tr><td colspan="2"><h2><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr><td colspan="2"><div class="groupHeader">constructors</div></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aff49fc2cda4491ff4457ca481bb8edf9"></a><!-- doxytag: member="QuantLib::Date::Date" ref="aff49fc2cda4491ff4457ca481bb8edf9" args="()" -->
 </td><td class="memItemRight" valign="bottom"><a class="el" href="class_quant_lib_1_1_date.html#aff49fc2cda4491ff4457ca481bb8edf9">Date</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Default constructor returning a null date. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa331455552468c0198d57df46efc08f8"></a><!-- doxytag: member="QuantLib::Date::Date" ref="aa331455552468c0198d57df46efc08f8" args="(BigInteger serialNumber)" -->
 </td><td class="memItemRight" valign="bottom"><a class="el" href="class_quant_lib_1_1_date.html#aa331455552468c0198d57df46efc08f8">Date</a> (<a class="el" href="group__types.html#ga4f0ecbbf99e41b6d69cd54871d5d2b9e">BigInteger</a> serialNumber)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Constructor taking a serial number as given by Applix or Excel. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa157820c6a6e7518f7215e2213616aee"></a><!-- doxytag: member="QuantLib::Date::Date" ref="aa157820c6a6e7518f7215e2213616aee" args="(Day d, Month m, Year y)" -->
 </td><td class="memItemRight" valign="bottom"><a class="el" href="class_quant_lib_1_1_date.html#aa157820c6a6e7518f7215e2213616aee">Date</a> (<a class="el" href="group__datetime.html#ga91214837fb837828e91ce17de9eaa43c">Day</a> d, <a class="el" href="group__datetime.html#gae34b763987dcf60c6c619d327b8c9dbb">Month</a> m, <a class="el" href="group__datetime.html#ga84dee895910074cbc7d936c86c1abf3d">Year</a> y)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">More traditional constructor. <br/></td></tr>
<tr><td colspan="2"><div class="groupHeader">inspectors</div></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="abaa5325a9945802025849f2ce19f216a"></a><!-- doxytag: member="QuantLib::Date::weekday" ref="abaa5325a9945802025849f2ce19f216a" args="() const " -->
<a class="el" href="group__datetime.html#gaec3d5ec6653b2c392d449500b8f5cb3a">Weekday</a> </td><td class="memItemRight" valign="bottom"><b>weekday</b> () const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a1abc2fd6d46857840592b215117cd332"></a><!-- doxytag: member="QuantLib::Date::dayOfMonth" ref="a1abc2fd6d46857840592b215117cd332" args="() const " -->
<a class="el" href="group__datetime.html#ga91214837fb837828e91ce17de9eaa43c">Day</a> </td><td class="memItemRight" valign="bottom"><b>dayOfMonth</b> () const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a763db58d72c7d2cb79f910d073157b38"></a><!-- doxytag: member="QuantLib::Date::dayOfYear" ref="a763db58d72c7d2cb79f910d073157b38" args="() const " -->
<a class="el" href="group__datetime.html#ga91214837fb837828e91ce17de9eaa43c">Day</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_quant_lib_1_1_date.html#a763db58d72c7d2cb79f910d073157b38">dayOfYear</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">One-based (Jan 1st = 1) <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aaf6068a327702eb87fab7c893d63c3cd"></a><!-- doxytag: member="QuantLib::Date::month" ref="aaf6068a327702eb87fab7c893d63c3cd" args="() const " -->
<a class="el" href="group__datetime.html#gae34b763987dcf60c6c619d327b8c9dbb">Month</a> </td><td class="memItemRight" valign="bottom"><b>month</b> () const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a6b547238a0bb413fe80f74b6ce04bb69"></a><!-- doxytag: member="QuantLib::Date::year" ref="a6b547238a0bb413fe80f74b6ce04bb69" args="() const " -->
<a class="el" href="group__datetime.html#ga84dee895910074cbc7d936c86c1abf3d">Year</a> </td><td class="memItemRight" valign="bottom"><b>year</b> () const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a412eb3ac472f875e0017df004a9d0ee2"></a><!-- doxytag: member="QuantLib::Date::serialNumber" ref="a412eb3ac472f875e0017df004a9d0ee2" args="() const " -->
<a class="el" href="group__types.html#ga4f0ecbbf99e41b6d69cd54871d5d2b9e">BigInteger</a> </td><td class="memItemRight" valign="bottom"><b>serialNumber</b> () const </td></tr>
<tr><td colspan="2"><div class="groupHeader">date algebra</div></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ab6f7f85b59c091e173b7bb63fd499e3c"></a><!-- doxytag: member="QuantLib::Date::operator+=" ref="ab6f7f85b59c091e173b7bb63fd499e3c" args="(BigInteger days)" -->
<a class="el" href="class_quant_lib_1_1_date.html">Date</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="class_quant_lib_1_1_date.html#ab6f7f85b59c091e173b7bb63fd499e3c">operator+=</a> (<a class="el" href="group__types.html#ga4f0ecbbf99e41b6d69cd54871d5d2b9e">BigInteger</a> days)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">increments date by the given number of days <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a07d81fcf62cbe8eb96e3643555931b46"></a><!-- doxytag: member="QuantLib::Date::operator+=" ref="a07d81fcf62cbe8eb96e3643555931b46" args="(const Period &)" -->
<a class="el" href="class_quant_lib_1_1_date.html">Date</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="class_quant_lib_1_1_date.html#a07d81fcf62cbe8eb96e3643555931b46">operator+=</a> (const <a class="el" href="class_quant_lib_1_1_period.html">Period</a> &)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">increments date by the given period <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ae766493ec3fd4018080f00af808dfbe0"></a><!-- doxytag: member="QuantLib::Date::operator-=" ref="ae766493ec3fd4018080f00af808dfbe0" args="(BigInteger days)" -->
<a class="el" href="class_quant_lib_1_1_date.html">Date</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="class_quant_lib_1_1_date.html#ae766493ec3fd4018080f00af808dfbe0">operator-=</a> (<a class="el" href="group__types.html#ga4f0ecbbf99e41b6d69cd54871d5d2b9e">BigInteger</a> days)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">decrement date by the given number of days <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a0b5789977f91e47ef9ea2ec8a921215a"></a><!-- doxytag: member="QuantLib::Date::operator-=" ref="a0b5789977f91e47ef9ea2ec8a921215a" args="(const Period &)" -->
<a class="el" href="class_quant_lib_1_1_date.html">Date</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="class_quant_lib_1_1_date.html#a0b5789977f91e47ef9ea2ec8a921215a">operator-=</a> (const <a class="el" href="class_quant_lib_1_1_period.html">Period</a> &)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">decrements date by the given period <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ae6a991aa97305857a8f1f3ce86e56a8e"></a><!-- doxytag: member="QuantLib::Date::operator++" ref="ae6a991aa97305857a8f1f3ce86e56a8e" args="()" -->
<a class="el" href="class_quant_lib_1_1_date.html">Date</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="class_quant_lib_1_1_date.html#ae6a991aa97305857a8f1f3ce86e56a8e">operator++</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">1-day pre-increment <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a6541a6651456d8bc1622a24291841647"></a><!-- doxytag: member="QuantLib::Date::operator++" ref="a6541a6651456d8bc1622a24291841647" args="(int)" -->
<a class="el" href="class_quant_lib_1_1_date.html">Date</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_quant_lib_1_1_date.html#a6541a6651456d8bc1622a24291841647">operator++</a> (int)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">1-day post-increment <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ad96f835929dff451238fe944b8855797"></a><!-- doxytag: member="QuantLib::Date::operator--" ref="ad96f835929dff451238fe944b8855797" args="()" -->
<a class="el" href="class_quant_lib_1_1_date.html">Date</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="class_quant_lib_1_1_date.html#ad96f835929dff451238fe944b8855797">operator--</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">1-day pre-decrement <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a382393929522ea82108942354ca727f7"></a><!-- doxytag: member="QuantLib::Date::operator--" ref="a382393929522ea82108942354ca727f7" args="(int)" -->
<a class="el" href="class_quant_lib_1_1_date.html">Date</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_quant_lib_1_1_date.html#a382393929522ea82108942354ca727f7">operator--</a> (int)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">1-day post-decrement <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a6de85b04ffcb972a60918bb63cb571e8"></a><!-- doxytag: member="QuantLib::Date::operator+" ref="a6de85b04ffcb972a60918bb63cb571e8" args="(BigInteger days) const " -->
<a class="el" href="class_quant_lib_1_1_date.html">Date</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_quant_lib_1_1_date.html#a6de85b04ffcb972a60918bb63cb571e8">operator+</a> (<a class="el" href="group__types.html#ga4f0ecbbf99e41b6d69cd54871d5d2b9e">BigInteger</a> days) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">returns a new date incremented by the given number of days <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa51ddbd8d8f33c4abde8bd8603fc8fed"></a><!-- doxytag: member="QuantLib::Date::operator+" ref="aa51ddbd8d8f33c4abde8bd8603fc8fed" args="(const Period &) const " -->
<a class="el" href="class_quant_lib_1_1_date.html">Date</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_quant_lib_1_1_date.html#aa51ddbd8d8f33c4abde8bd8603fc8fed">operator+</a> (const <a class="el" href="class_quant_lib_1_1_period.html">Period</a> &) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">returns a new date incremented by the given period <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a83028e338e164409c00c44b170b1ad94"></a><!-- doxytag: member="QuantLib::Date::operator-" ref="a83028e338e164409c00c44b170b1ad94" args="(BigInteger days) const " -->
<a class="el" href="class_quant_lib_1_1_date.html">Date</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_quant_lib_1_1_date.html#a83028e338e164409c00c44b170b1ad94">operator-</a> (<a class="el" href="group__types.html#ga4f0ecbbf99e41b6d69cd54871d5d2b9e">BigInteger</a> days) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">returns a new date decremented by the given number of days <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a9f749d07ec5fbb465a2b618a159c513d"></a><!-- doxytag: member="QuantLib::Date::operator-" ref="a9f749d07ec5fbb465a2b618a159c513d" args="(const Period &) const " -->
<a class="el" href="class_quant_lib_1_1_date.html">Date</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_quant_lib_1_1_date.html#a9f749d07ec5fbb465a2b618a159c513d">operator-</a> (const <a class="el" href="class_quant_lib_1_1_period.html">Period</a> &) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">returns a new date decremented by the given period <br/></td></tr>
<tr><td colspan="2"><h2><a name="pub-static-methods"></a>
Static Public Member Functions</h2></td></tr>
<tr><td colspan="2"><div class="groupHeader">static methods</div></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa3b3414c408337e640d21c0936602c66"></a><!-- doxytag: member="QuantLib::Date::todaysDate" ref="aa3b3414c408337e640d21c0936602c66" args="()" -->
static <a class="el" href="class_quant_lib_1_1_date.html">Date</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_quant_lib_1_1_date.html#aa3b3414c408337e640d21c0936602c66">todaysDate</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">today's date. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a23625bfa1e742192c8983792debcf7c1"></a><!-- doxytag: member="QuantLib::Date::minDate" ref="a23625bfa1e742192c8983792debcf7c1" args="()" -->
static <a class="el" href="class_quant_lib_1_1_date.html">Date</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_quant_lib_1_1_date.html#a23625bfa1e742192c8983792debcf7c1">minDate</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">earliest allowed date <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ab16674c4f64b17d89302cf0805f1fdbd"></a><!-- doxytag: member="QuantLib::Date::maxDate" ref="ab16674c4f64b17d89302cf0805f1fdbd" args="()" -->
static <a class="el" href="class_quant_lib_1_1_date.html">Date</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_quant_lib_1_1_date.html#ab16674c4f64b17d89302cf0805f1fdbd">maxDate</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">latest allowed date <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a586c8f2317d6b5165f60304a391eb587"></a><!-- doxytag: member="QuantLib::Date::isLeap" ref="a586c8f2317d6b5165f60304a391eb587" args="(Year y)" -->
static bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_quant_lib_1_1_date.html#a586c8f2317d6b5165f60304a391eb587">isLeap</a> (<a class="el" href="group__datetime.html#ga84dee895910074cbc7d936c86c1abf3d">Year</a> y)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">whether the given year is a leap one <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a7c1704dd4c31093571b353b270e160cd"></a><!-- doxytag: member="QuantLib::Date::endOfMonth" ref="a7c1704dd4c31093571b353b270e160cd" args="(const Date &d)" -->
static <a class="el" href="class_quant_lib_1_1_date.html">Date</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_quant_lib_1_1_date.html#a7c1704dd4c31093571b353b270e160cd">endOfMonth</a> (const <a class="el" href="class_quant_lib_1_1_date.html">Date</a> &d)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">last day of the month to which the given date belongs <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa0e9cb47a55168ecd2af13d7be0e8a86"></a><!-- doxytag: member="QuantLib::Date::isEndOfMonth" ref="aa0e9cb47a55168ecd2af13d7be0e8a86" args="(const Date &d)" -->
static bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_quant_lib_1_1_date.html#aa0e9cb47a55168ecd2af13d7be0e8a86">isEndOfMonth</a> (const <a class="el" href="class_quant_lib_1_1_date.html">Date</a> &d)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">whether a date is the last day of its month <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">static <a class="el" href="class_quant_lib_1_1_date.html">Date</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_quant_lib_1_1_date.html#a9caf3cd25686bb9e2eefc53a9eadcafb">nextWeekday</a> (const <a class="el" href="class_quant_lib_1_1_date.html">Date</a> &d, <a class="el" href="group__datetime.html#gaec3d5ec6653b2c392d449500b8f5cb3a">Weekday</a> w)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">next given weekday following or equal to the given date <a href="#a9caf3cd25686bb9e2eefc53a9eadcafb"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">static <a class="el" href="class_quant_lib_1_1_date.html">Date</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_quant_lib_1_1_date.html#ac3b059c7dcdc19487c1f95542218c888">nthWeekday</a> (<a class="el" href="group__types.html#gaf38bdb4c54463b1f456655efa95b5c77">Size</a> n, <a class="el" href="group__datetime.html#gaec3d5ec6653b2c392d449500b8f5cb3a">Weekday</a> w, <a class="el" href="group__datetime.html#gae34b763987dcf60c6c619d327b8c9dbb">Month</a> m, <a class="el" href="group__datetime.html#ga84dee895910074cbc7d936c86c1abf3d">Year</a> y)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">n-th given weekday in the given month and year <a href="#ac3b059c7dcdc19487c1f95542218c888"></a><br/></td></tr>
<tr><td colspan="2"><h2><a name="related"></a>
Related Functions</h2></td></tr>
<tr><td class="ititle" colspan="2"><p>(Note that these are not member functions.) </p>
</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ad4b6fb4702e8fd7dcdcf0ff7ab0ab60d"></a><!-- doxytag: member="QuantLib::Date::operator-" ref="ad4b6fb4702e8fd7dcdcf0ff7ab0ab60d" args="(const Date &, const Date &)" -->
<a class="el" href="group__types.html#ga4f0ecbbf99e41b6d69cd54871d5d2b9e">BigInteger</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_quant_lib_1_1_date.html#ad4b6fb4702e8fd7dcdcf0ff7ab0ab60d">operator-</a> (const <a class="el" href="class_quant_lib_1_1_date.html">Date</a> &, const <a class="el" href="class_quant_lib_1_1_date.html">Date</a> &)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Difference in days between dates. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_quant_lib_1_1_date.html#ad51822da99f2cc001b6326ac28bd49d6">operator==</a> (const <a class="el" href="class_quant_lib_1_1_date.html">Date</a> &, const <a class="el" href="class_quant_lib_1_1_date.html">Date</a> &)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_quant_lib_1_1_date.html#a5ac1b43688828377f31de974e061006f">operator!=</a> (const <a class="el" href="class_quant_lib_1_1_date.html">Date</a> &, const <a class="el" href="class_quant_lib_1_1_date.html">Date</a> &)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_quant_lib_1_1_date.html#acbc7a012dc46ebcd65dfd2887e3a3ad4">operator<</a> (const <a class="el" href="class_quant_lib_1_1_date.html">Date</a> &, const <a class="el" href="class_quant_lib_1_1_date.html">Date</a> &)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_quant_lib_1_1_date.html#aec251fea3c00fa40e6e9e07a90620f78">operator<=</a> (const <a class="el" href="class_quant_lib_1_1_date.html">Date</a> &, const <a class="el" href="class_quant_lib_1_1_date.html">Date</a> &)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_quant_lib_1_1_date.html#a042bfc86a816127e316415634bb99107">operator></a> (const <a class="el" href="class_quant_lib_1_1_date.html">Date</a> &, const <a class="el" href="class_quant_lib_1_1_date.html">Date</a> &)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_quant_lib_1_1_date.html#a04118d56c46df4ac9054f0e34d2a6ce2">operator>=</a> (const <a class="el" href="class_quant_lib_1_1_date.html">Date</a> &, const <a class="el" href="class_quant_lib_1_1_date.html">Date</a> &)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">std::ostream & </td><td class="memItemRight" valign="bottom"><a class="el" href="class_quant_lib_1_1_date.html#a65ff0f219c6817d3b8b6e57724dc680a">operator<<</a> (std::ostream &, const <a class="el" href="class_quant_lib_1_1_date.html">Date</a> &)</td></tr>
</table>
<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock"><p>Concrete date class. </p>
<p>This class provides methods to inspect dates as well as methods and operators which implement a limited date algebra (increasing and decreasing dates, and calculating their difference).</p>
<dl class="test"><dt><b><a class="el" href="test.html#_test000153">Tests:</a></b></dt><dd>self-consistency of dates, serial numbers, days of month, months, and weekdays is checked over the whole date range. </dd></dl>
<dl><dt><b>Examples: </b></dt><dd><a class="el" href="_bermudan_swaption_8cpp-example.html#_a6">BermudanSwaption.cpp</a>, <a class="el" href="_bonds_8cpp-example.html#_a3">Bonds.cpp</a>, <a class="el" href="_callable_bonds_8cpp-example.html#_a1">CallableBonds.cpp</a>, <a class="el" href="_c_d_s_8cpp-example.html#_a3">CDS.cpp</a>, <a class="el" href="_convertible_bonds_8cpp-example.html#_a8">ConvertibleBonds.cpp</a>, <a class="el" href="_discrete_hedging_8cpp-example.html#_a16">DiscreteHedging.cpp</a>, <a class="el" href="_equity_option_8cpp-example.html#_a3">EquityOption.cpp</a>, <a class="el" href="_fitted_bond_curve_8cpp-example.html#_a17">FittedBondCurve.cpp</a>, <a class="el" href="_f_r_a_8cpp-example.html#_a3">FRA.cpp</a>, <a class="el" href="_replication_8cpp-example.html#_a1">Replication.cpp</a>, <a class="el" href="_repo_8cpp-example.html#_a1">Repo.cpp</a>, and <a class="el" href="swapvaluation_8cpp-example.html#_a3">swapvaluation.cpp</a>.</dd>
</dl></div><hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="a9caf3cd25686bb9e2eefc53a9eadcafb"></a><!-- doxytag: member="QuantLib::Date::nextWeekday" ref="a9caf3cd25686bb9e2eefc53a9eadcafb" args="(const Date &d, Weekday w)" -->
<div class="memitem">
<div class="memproto">
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<tr>
<td class="memname">static <a class="el" href="class_quant_lib_1_1_date.html">Date</a> <a class="el" href="class_quant_lib_1_1_date.html#a9caf3cd25686bb9e2eefc53a9eadcafb">nextWeekday</a> </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="class_quant_lib_1_1_date.html">Date</a> & </td>
<td class="paramname"><em>d</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__datetime.html#gaec3d5ec6653b2c392d449500b8f5cb3a">Weekday</a> </td>
<td class="paramname"><em>w</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [static]</code></td>
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<div class="memdoc">
<p>next given weekday following or equal to the given date </p>
<p>E.g., the Friday following Tuesday, January 15th, 2002 was January 18th, 2002.</p>
<p>see <a href="http://www.cpearson.com/excel/DateTimeWS.htm">http://www.cpearson.com/excel/DateTimeWS.htm</a> </p>
</div>
</div>
<a class="anchor" id="ac3b059c7dcdc19487c1f95542218c888"></a><!-- doxytag: member="QuantLib::Date::nthWeekday" ref="ac3b059c7dcdc19487c1f95542218c888" args="(Size n, Weekday w, Month m, Year y)" -->
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<td class="memname">static <a class="el" href="class_quant_lib_1_1_date.html">Date</a> <a class="el" href="class_quant_lib_1_1_date.html#ac3b059c7dcdc19487c1f95542218c888">nthWeekday</a> </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__types.html#gaf38bdb4c54463b1f456655efa95b5c77">Size</a> </td>
<td class="paramname"><em>n</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__datetime.html#gaec3d5ec6653b2c392d449500b8f5cb3a">Weekday</a> </td>
<td class="paramname"><em>w</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__datetime.html#gae34b763987dcf60c6c619d327b8c9dbb">Month</a> </td>
<td class="paramname"><em>m</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__datetime.html#ga84dee895910074cbc7d936c86c1abf3d">Year</a> </td>
<td class="paramname"><em>y</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [static]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>n-th given weekday in the given month and year </p>
<p>E.g., the 4th Thursday of March, 1998 was March 26th, 1998.</p>
<p>see <a href="http://www.cpearson.com/excel/DateTimeWS.htm">http://www.cpearson.com/excel/DateTimeWS.htm</a> </p>
</div>
</div>
<hr/><h2>Friends And Related Function Documentation</h2>
<a class="anchor" id="ad51822da99f2cc001b6326ac28bd49d6"></a><!-- doxytag: member="QuantLib::Date::operator==" ref="ad51822da99f2cc001b6326ac28bd49d6" args="(const Date &, const Date &)" -->
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<td class="memname">bool operator== </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="class_quant_lib_1_1_date.html">Date</a> & </td>
<td class="paramname">, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="class_quant_lib_1_1_date.html">Date</a> & </td>
<td class="paramname"> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [related]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
</div>
</div>
<a class="anchor" id="a5ac1b43688828377f31de974e061006f"></a><!-- doxytag: member="QuantLib::Date::operator!=" ref="a5ac1b43688828377f31de974e061006f" args="(const Date &, const Date &)" -->
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<td class="memname">bool operator!= </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="class_quant_lib_1_1_date.html">Date</a> & </td>
<td class="paramname">, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="class_quant_lib_1_1_date.html">Date</a> & </td>
<td class="paramname"> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [related]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
</div>
</div>
<a class="anchor" id="acbc7a012dc46ebcd65dfd2887e3a3ad4"></a><!-- doxytag: member="QuantLib::Date::operator<" ref="acbc7a012dc46ebcd65dfd2887e3a3ad4" args="(const Date &, const Date &)" -->
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<td class="memname">bool operator< </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="class_quant_lib_1_1_date.html">Date</a> & </td>
<td class="paramname">, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="class_quant_lib_1_1_date.html">Date</a> & </td>
<td class="paramname"> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [related]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
</div>
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<a class="anchor" id="aec251fea3c00fa40e6e9e07a90620f78"></a><!-- doxytag: member="QuantLib::Date::operator<=" ref="aec251fea3c00fa40e6e9e07a90620f78" args="(const Date &, const Date &)" -->
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<td class="memname">bool operator<= </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="class_quant_lib_1_1_date.html">Date</a> & </td>
<td class="paramname">, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="class_quant_lib_1_1_date.html">Date</a> & </td>
<td class="paramname"> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [related]</code></td>
</tr>
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<div class="memdoc">
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<a class="anchor" id="a042bfc86a816127e316415634bb99107"></a><!-- doxytag: member="QuantLib::Date::operator>" ref="a042bfc86a816127e316415634bb99107" args="(const Date &, const Date &)" -->
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<td class="memname">bool operator> </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="class_quant_lib_1_1_date.html">Date</a> & </td>
<td class="paramname">, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="class_quant_lib_1_1_date.html">Date</a> & </td>
<td class="paramname"> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [related]</code></td>
</tr>
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<a class="anchor" id="a04118d56c46df4ac9054f0e34d2a6ce2"></a><!-- doxytag: member="QuantLib::Date::operator>=" ref="a04118d56c46df4ac9054f0e34d2a6ce2" args="(const Date &, const Date &)" -->
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<td class="memname">bool operator>= </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="class_quant_lib_1_1_date.html">Date</a> & </td>
<td class="paramname">, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="class_quant_lib_1_1_date.html">Date</a> & </td>
<td class="paramname"> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [related]</code></td>
</tr>
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<div class="memdoc">
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<a class="anchor" id="a65ff0f219c6817d3b8b6e57724dc680a"></a><!-- doxytag: member="QuantLib::Date::operator<<" ref="a65ff0f219c6817d3b8b6e57724dc680a" args="(std::ostream &, const Date &)" -->
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<td class="memname">std::ostream & operator<< </td>
<td>(</td>
<td class="paramtype">std::ostream & </td>
<td class="paramname">, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="class_quant_lib_1_1_date.html">Date</a> & </td>
<td class="paramname"> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [related]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
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