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.. _datetime:
Supported date and time formats
===============================
.. _duration:
Time duration
-------------
This format is used to express a time duration in the Kerberos
configuration files and user commands. The allowed formats are:
====================== ============== ============
Format Example Value
---------------------- -------------- ------------
h:m[:s] 36:00 36 hours
NdNhNmNs 8h30s 8 hours 30 seconds
N (number of seconds) 3600 1 hour
====================== ============== ============
Here *N* denotes a number, *d* - days, *h* - hours, *m* - minutes,
*s* - seconds.
.. note::
The time interval should not exceed 2147483647 seconds.
Examples::
Request a ticket valid for one hour, five hours, 30 minutes
and 10 days respectively:
kinit -l 3600
kinit -l 5:00
kinit -l 30m
kinit -l "10d 0h 0m 0s"
.. _getdate:
getdate time
------------
Some of the kadmin and kdb5_util commands take a date-time in a
human-readable format. Some of the acceptable date-time
strings are:
+-----------+------------------+-----------------+
| | Format | Example |
+===========+==================+=================+
| Date | mm/dd/yy | 07/27/12 |
| +------------------+-----------------+
| | month dd, yyyy | Jul 27, 2012 |
| +------------------+-----------------+
| | yyyy-mm-dd | 2012-07-27 |
+-----------+------------------+-----------------+
| Absolute | HH:mm[:ss]pp | 08:30 PM |
| time +------------------+-----------------+
| | hh:mm[:ss] | 20:30 |
+-----------+------------------+-----------------+
| Relative | N tt | 30 sec |
| time | | |
+-----------+------------------+-----------------+
| Time zone | Z | EST |
| +------------------+-----------------+
| | z | -0400 |
+-----------+------------------+-----------------+
(See :ref:`abbreviation`.)
Examples::
Create a principal that expires on the date indicated:
addprinc test1 -expire "3/27/12 10:00:07 EST"
addprinc test2 -expire "January 23, 2015 10:05pm"
addprinc test3 -expire "22:00 GMT"
Add a principal that will expire in 30 minutes:
addprinc test4 -expire "30 minutes"
.. _abstime:
Absolute time
-------------
This rarely used date-time format can be noted in one of the
following ways:
+------------------------+----------------------+--------------+
| Format | Example | Value |
+========================+======================+==============+
| yyyymmddhhmmss | 20141231235900 | One minute |
+------------------------+----------------------+ before 2015 |
| yyyy.mm.dd.hh.mm.ss | 2014.12.31.23.59.00 | |
+------------------------+----------------------+ |
| yymmddhhmmss | 141231235900 | |
+------------------------+----------------------+ |
| yy.mm.dd.hh.mm.ss | 14.12.31.23.59.00 | |
+------------------------+----------------------+ |
| dd-month-yyyy:hh:mm:ss | 31-Dec-2014:23:59:00 | |
+------------------------+----------------------+--------------+
| hh:mm:ss | 20:00:00 | 8 o'clock in |
+------------------------+----------------------+ the evening |
| hhmmss | 200000 | |
+------------------------+----------------------+--------------+
(See :ref:`abbreviation`.)
Example::
Set the default expiration date to July 27, 2012 at 20:30
default_principal_expiration = 20120727203000
.. _abbreviation:
Abbreviations used in this document
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| *month* : locale’s month name or its abbreviation;
| *dd* : day of month (01-31);
| *HH* : hours (00-12);
| *hh* : hours (00-23);
| *mm* : in time - minutes (00-59); in date - month (01-12);
| *N* : number;
| *pp* : AM or PM;
| *ss* : seconds (00-60);
| *tt* : time units (hours, minutes, min, seconds, sec);
| *yyyy* : year;
| *yy* : last two digits of the year;
| *Z* : alphabetic time zone abbreviation;
| *z* : numeric time zone;
.. note::
- If the date specification contains spaces, you may need to
enclose it in double quotes;
- All keywords are case-insensitive.
|
