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<html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>e-cal-time-util</title><meta name="generator" content="DocBook XSL Stylesheets V1.64.1"><link rel="home" href="index.html" title="Evolution API Reference: libecal, the Calendar Library"><link rel="up" href="ch01.html" title="Evolution API Reference: libecal, the Calendar Library"><link rel="previous" href="libecal-e-cal-recur.html" title="e-cal-recur"><link rel="next" href="libecal-e-cal-types.html" title="e-cal-types"><link rel="chapter" href="ch01.html" title="Evolution API Reference: libecal, the Calendar Library"><link rel="refentry" href="ECalComponent.html" title="ECalComponent"><link rel="refentry" href="libecal-ECalListener.html" title="ECalListener"><link rel="refentry" href="libecal-ECalViewListener.html" title="ECalViewListener"><link rel="refentry" href="ECal.html" title="ECal"><link rel="refentry" href="libecal-e-cal-recur.html" title="e-cal-recur"><link rel="refentry" href="libecal-e-cal-time-util.html" title="e-cal-time-util"><link rel="refentry" href="libecal-e-cal-types.html" title="e-cal-types"><link rel="refentry" href="libecal-e-cal-util.html" title="e-cal-util"><link rel="refentry" href="libecal-ECalView.html" title="ECalView"><link rel="section" href="libecal-e-cal-time-util.html#id2563874" title="Description"><link rel="section" href="libecal-e-cal-time-util.html#id2563884" title="Details"><meta name="generator" content="GTK-Doc V1.2 (XML mode)"><link rel="stylesheet" href="style.css" type="text/css"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><table class="navigation" width="100%" summary="Navigation header" cellpadding="2" cellspacing="2"><tr valign="middle"><td><a accesskey="p" href="libecal-e-cal-recur.html"><img src="left.png" width="24" height="24" border="0" alt="Prev"></a></td><td><a accesskey="u" href="ch01.html"><img src="up.png" width="24" height="24" border="0" alt="Up"></a></td><td><a accesskey="h" href="index.html"><img src="home.png" width="24" height="24" border="0" alt="Home"></a></td><th width="100%" align="center">Evolution API Reference: libecal, the Calendar Library</th><td><a accesskey="n" href="libecal-e-cal-types.html"><img src="right.png" width="24" height="24" border="0" alt="Next"></a></td></tr></table><div class="refentry" lang="en"><a name="libecal-e-cal-time-util"></a><div class="titlepage"><div></div><div></div></div><div class="refnamediv"><h2><span class="refentrytitle">e-cal-time-util</span></h2><p>e-cal-time-util — </p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="synopsis">
int <a href="libecal-e-cal-time-util.html#time-days-in-month">time_days_in_month</a> (int year,
int month);
int <a href="libecal-e-cal-time-util.html#time-day-of-year">time_day_of_year</a> (int day,
int month,
int year);
int <a href="libecal-e-cal-time-util.html#time-day-of-week">time_day_of_week</a> (int day,
int month,
int year);
gboolean <a href="libecal-e-cal-time-util.html#time-is-leap-year">time_is_leap_year</a> (int year);
int <a href="libecal-e-cal-time-util.html#time-leap-years-up-to">time_leap_years_up_to</a> (int year);
char* <a href="libecal-e-cal-time-util.html#isodate-from-time-t">isodate_from_time_t</a> (time_t t);
time_t <a href="libecal-e-cal-time-util.html#time-from-isodate">time_from_isodate</a> (const char *str);
time_t <a href="libecal-e-cal-time-util.html#time-add-day">time_add_day</a> (time_t time,
int days);
time_t <a href="libecal-e-cal-time-util.html#time-add-week">time_add_week</a> (time_t time,
int weeks);
time_t <a href="libecal-e-cal-time-util.html#time-day-begin">time_day_begin</a> (time_t t);
time_t <a href="libecal-e-cal-time-util.html#time-day-end">time_day_end</a> (time_t t);
time_t <a href="libecal-e-cal-time-util.html#time-add-day-with-zone">time_add_day_with_zone</a> (time_t time,
int days,
icaltimezone *zone);
time_t <a href="libecal-e-cal-time-util.html#time-add-week-with-zone">time_add_week_with_zone</a> (time_t time,
int weeks,
icaltimezone *zone);
time_t <a href="libecal-e-cal-time-util.html#time-add-month-with-zone">time_add_month_with_zone</a> (time_t time,
int months,
icaltimezone *zone);
time_t <a href="libecal-e-cal-time-util.html#time-year-begin-with-zone">time_year_begin_with_zone</a> (time_t time,
icaltimezone *zone);
time_t <a href="libecal-e-cal-time-util.html#time-month-begin-with-zone">time_month_begin_with_zone</a> (time_t time,
icaltimezone *zone);
time_t <a href="libecal-e-cal-time-util.html#time-week-begin-with-zone">time_week_begin_with_zone</a> (time_t time,
int week_start_day,
icaltimezone *zone);
time_t <a href="libecal-e-cal-time-util.html#time-day-begin-with-zone">time_day_begin_with_zone</a> (time_t time,
icaltimezone *zone);
time_t <a href="libecal-e-cal-time-util.html#time-day-end-with-zone">time_day_end_with_zone</a> (time_t time,
icaltimezone *zone);
void <a href="libecal-e-cal-time-util.html#time-to-gdate-with-zone">time_to_gdate_with_zone</a> (GDate *date,
time_t time,
icaltimezone *zone);
</pre></div><div class="refsect1" lang="en"><a name="id2563874"></a><h2>Description</h2><p>
</p></div><div class="refsect1" lang="en"><a name="id2563884"></a><h2>Details</h2><div class="refsect2" lang="en"><a name="id2563889"></a><h3><a name="time-days-in-month"></a>time_days_in_month ()</h3><a class="indexterm" name="id2563897"></a><pre class="programlisting">int time_days_in_month (int year,
int month);</pre><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>year</tt></i>:</span></td><td>
</td></tr><tr><td><span class="term"><i class="parameter"><tt>month</tt></i>:</span></td><td>
</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>
</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2563958"></a><h3><a name="time-day-of-year"></a>time_day_of_year ()</h3><a class="indexterm" name="id2563966"></a><pre class="programlisting">int time_day_of_year (int day,
int month,
int year);</pre><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>day</tt></i>:</span></td><td>
</td></tr><tr><td><span class="term"><i class="parameter"><tt>month</tt></i>:</span></td><td>
</td></tr><tr><td><span class="term"><i class="parameter"><tt>year</tt></i>:</span></td><td>
</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>
</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2510180"></a><h3><a name="time-day-of-week"></a>time_day_of_week ()</h3><a class="indexterm" name="id2510188"></a><pre class="programlisting">int time_day_of_week (int day,
int month,
int year);</pre><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>day</tt></i>:</span></td><td>
</td></tr><tr><td><span class="term"><i class="parameter"><tt>month</tt></i>:</span></td><td>
</td></tr><tr><td><span class="term"><i class="parameter"><tt>year</tt></i>:</span></td><td>
</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>
</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2510265"></a><h3><a name="time-is-leap-year"></a>time_is_leap_year ()</h3><a class="indexterm" name="id2510274"></a><pre class="programlisting">gboolean time_is_leap_year (int year);</pre><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>year</tt></i>:</span></td><td>
</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>
</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2510317"></a><h3><a name="time-leap-years-up-to"></a>time_leap_years_up_to ()</h3><a class="indexterm" name="id2510325"></a><pre class="programlisting">int time_leap_years_up_to (int year);</pre><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>year</tt></i>:</span></td><td>
</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>
</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2510369"></a><h3><a name="isodate-from-time-t"></a>isodate_from_time_t ()</h3><a class="indexterm" name="id2510377"></a><pre class="programlisting">char* isodate_from_time_t (time_t t);</pre><p>
Creates an ISO 8601 UTC representation from a time value.</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>t</tt></i>:</span></td><td> A time value.
</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td> String with the ISO 8601 representation of the UTC time.
</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2506951"></a><h3><a name="time-from-isodate"></a>time_from_isodate ()</h3><a class="indexterm" name="id2506959"></a><pre class="programlisting">time_t time_from_isodate (const char *str);</pre><p>
Converts an ISO 8601 UTC time string into a time_t value.</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>str</tt></i>:</span></td><td> Date/time value in ISO 8601 format.
</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td> Time_t corresponding to the specified ISO string.
Note that we only allow UTC times at present.
</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2507010"></a><h3><a name="time-add-day"></a>time_add_day ()</h3><a class="indexterm" name="id2507018"></a><pre class="programlisting">time_t time_add_day (time_t time,
int days);</pre><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>time</tt></i>:</span></td><td>
</td></tr><tr><td><span class="term"><i class="parameter"><tt>days</tt></i>:</span></td><td>
</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>
</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2507080"></a><h3><a name="time-add-week"></a>time_add_week ()</h3><a class="indexterm" name="id2507088"></a><pre class="programlisting">time_t time_add_week (time_t time,
int weeks);</pre><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>time</tt></i>:</span></td><td>
</td></tr><tr><td><span class="term"><i class="parameter"><tt>weeks</tt></i>:</span></td><td>
</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>
</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2507149"></a><h3><a name="time-day-begin"></a>time_day_begin ()</h3><a class="indexterm" name="id2507157"></a><pre class="programlisting">time_t time_day_begin (time_t t);</pre><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>t</tt></i>:</span></td><td>
</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>
</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2507202"></a><h3><a name="time-day-end"></a>time_day_end ()</h3><a class="indexterm" name="id2507210"></a><pre class="programlisting">time_t time_day_end (time_t t);</pre><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>t</tt></i>:</span></td><td>
</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>
</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2507254"></a><h3><a name="time-add-day-with-zone"></a>time_add_day_with_zone ()</h3><a class="indexterm" name="id2507262"></a><pre class="programlisting">time_t time_add_day_with_zone (time_t time,
int days,
icaltimezone *zone);</pre><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>time</tt></i>:</span></td><td>
</td></tr><tr><td><span class="term"><i class="parameter"><tt>days</tt></i>:</span></td><td>
</td></tr><tr><td><span class="term"><i class="parameter"><tt>zone</tt></i>:</span></td><td>
</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>
</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2507340"></a><h3><a name="time-add-week-with-zone"></a>time_add_week_with_zone ()</h3><a class="indexterm" name="id2507349"></a><pre class="programlisting">time_t time_add_week_with_zone (time_t time,
int weeks,
icaltimezone *zone);</pre><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>time</tt></i>:</span></td><td>
</td></tr><tr><td><span class="term"><i class="parameter"><tt>weeks</tt></i>:</span></td><td>
</td></tr><tr><td><span class="term"><i class="parameter"><tt>zone</tt></i>:</span></td><td>
</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>
</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2507427"></a><h3><a name="time-add-month-with-zone"></a>time_add_month_with_zone ()</h3><a class="indexterm" name="id2507435"></a><pre class="programlisting">time_t time_add_month_with_zone (time_t time,
int months,
icaltimezone *zone);</pre><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>time</tt></i>:</span></td><td>
</td></tr><tr><td><span class="term"><i class="parameter"><tt>months</tt></i>:</span></td><td>
</td></tr><tr><td><span class="term"><i class="parameter"><tt>zone</tt></i>:</span></td><td>
</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>
</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2507513"></a><h3><a name="time-year-begin-with-zone"></a>time_year_begin_with_zone ()</h3><a class="indexterm" name="id2507522"></a><pre class="programlisting">time_t time_year_begin_with_zone (time_t time,
icaltimezone *zone);</pre><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>time</tt></i>:</span></td><td>
</td></tr><tr><td><span class="term"><i class="parameter"><tt>zone</tt></i>:</span></td><td>
</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>
</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2507583"></a><h3><a name="time-month-begin-with-zone"></a>time_month_begin_with_zone ()</h3><a class="indexterm" name="id2507591"></a><pre class="programlisting">time_t time_month_begin_with_zone (time_t time,
icaltimezone *zone);</pre><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>time</tt></i>:</span></td><td>
</td></tr><tr><td><span class="term"><i class="parameter"><tt>zone</tt></i>:</span></td><td>
</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>
</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2507652"></a><h3><a name="time-week-begin-with-zone"></a>time_week_begin_with_zone ()</h3><a class="indexterm" name="id2507661"></a><pre class="programlisting">time_t time_week_begin_with_zone (time_t time,
int week_start_day,
icaltimezone *zone);</pre><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>time</tt></i>:</span></td><td>
</td></tr><tr><td><span class="term"><i class="parameter"><tt>week_start_day</tt></i>:</span></td><td>
</td></tr><tr><td><span class="term"><i class="parameter"><tt>zone</tt></i>:</span></td><td>
</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>
</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2507739"></a><h3><a name="time-day-begin-with-zone"></a>time_day_begin_with_zone ()</h3><a class="indexterm" name="id2507747"></a><pre class="programlisting">time_t time_day_begin_with_zone (time_t time,
icaltimezone *zone);</pre><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>time</tt></i>:</span></td><td>
</td></tr><tr><td><span class="term"><i class="parameter"><tt>zone</tt></i>:</span></td><td>
</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>
</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2507808"></a><h3><a name="time-day-end-with-zone"></a>time_day_end_with_zone ()</h3><a class="indexterm" name="id2507817"></a><pre class="programlisting">time_t time_day_end_with_zone (time_t time,
icaltimezone *zone);</pre><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>time</tt></i>:</span></td><td>
</td></tr><tr><td><span class="term"><i class="parameter"><tt>zone</tt></i>:</span></td><td>
</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>
</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2507878"></a><h3><a name="time-to-gdate-with-zone"></a>time_to_gdate_with_zone ()</h3><a class="indexterm" name="id2507886"></a><pre class="programlisting">void time_to_gdate_with_zone (GDate *date,
time_t time,
icaltimezone *zone);</pre><p>
Converts a time_t value to a <span class="type">GDate</span> structure using the specified timezone.
This is analogous to <tt class="function">g_date_set_time()</tt> but takes the timezone into account.</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>date</tt></i>:</span></td><td> Destination <span class="type">GDate</span> value.
</td></tr><tr><td><span class="term"><i class="parameter"><tt>time</tt></i>:</span></td><td> A time value.
</td></tr><tr><td><span class="term"><i class="parameter"><tt>zone</tt></i>:</span></td><td> Desired timezone for destination <i class="parameter"><tt>date</tt></i>, or NULL if the UTC timezone
is desired.
</td></tr></tbody></table></div></div></div></div><table class="navigation" width="100%" summary="Navigation footer" cellpadding="2" cellspacing="0"><tr valign="middle"><td align="left"><a accesskey="p" href="libecal-e-cal-recur.html"><b><<e-cal-recur</b></a></td><td align="right"><a accesskey="n" href="libecal-e-cal-types.html"><b>e-cal-types>></b></a></td></tr></table></body></html>
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