day of the Week (Sun, Mon, Tue, Wed, Thu, Fri, Sat)
Thu
$dow
day of the week (Sun = 0)
2
$week
number of week in year (ISO 8601)
34
$month
short name of month
Dec
$mo
2 digit month
12
$year
4 digit year
1999
$ye
2 digit year
99
$tz
either "GMT" (if set to gmtime), or "Local" (if set to servertime)
GMT
$iso
ISO format timestamp
2013-05-24T01:37:00Z
$rcs
RCS format timestamp
2013/05/24 01:37:00
$http
E-mail & http format timestamp
Fri, 24 May 2013 01:37:00 GMT
$epoch
Number of seconds since 00:00 on 1st January, 1970
1369359420
Variables can be shortened to 3 characters
Example: %GMTIME{"$day $month, $year - $hour:$min:$sec"}% expands to 24 May, 2013 - 01:37:00
Note: When used in a template topic, this variable will be expanded when the template is used to create a new topic. See TWikiTemplates#TemplateTopicsVars for details.