| Command | Example | Description | 
| %% | 
	% | 
	Same as % | 
| %a | 
	Mon | 
	Server's abbreviated weekday name | 
| %A | 
	Monday | 
	Server's full weekday name | 
| %b | 
	Apr | 
	Server's abbreviated month name | 
| %B | 
	April | 
	Server's full month name | 
| %c | 
	Mon Apr 21 05:27:15 1997 | 
	Server's appropriate date and time representation | 
| %C | 
	19 | 
	Server's century number (the year divided by 100 and truncated to an integer) as a decimal number [00-99] | 
| %d | 
	21 | 
	Day of month ( 01 - 31 ) | 
| %D | 
	04/21/97 | 
	Date as %m/%d/%y | 
| %e | 
	21 | 
	Day of month ( 1-31; single digits are preceded by a blank ) | 
| %h | 
	Apr | 
	Server's abbreviated month name. | 
| %H | 
	05 | 
	Hour ( 00 - 23 ) | 
| %I | 
	05 | 
	Hour ( 01 - 12 ) | 
| %j | 
	111 | 
	Day number of year ( 001 - 366 ) | 
| %KC  | 
	KC | 
	Server's appropriate date and time representation | 
| %m | 
	04 | 
	month number ( 01 - 12 ) | 
| %M | 
	27 | 
	minute ( 00 - 59 ) | 
| %n | 
	<new line> | 
	Same as pressing <Return> | 
| %p | 
	AM | 
	Server's equivalent of either AM or PM | 
| %r | 
	05:27:15 AM | 
	Time as %I:%M:%S [AM|PM] | 
| %R | 
	05:27 | 
	Time as %H:%M | 
| %S | 
	15 | 
	Seconds ( 00 - 61 ), allows for leap seconds | 
| %t  | 
	<tab> | 
	Same as a tab | 
| %T | 
	05:27:15 | 
	Time as %H:%M:%S | 
| %U | 
	16 | 
	Week number of year ( 00 - 53 ), Sunday is the first day of week 1 | 
| %w | 
	1 | 
	Weekday number ( 0 - 6 ), Sunday = 0 | 
| %W | 
	16 | 
	Week number of year ( 00 - 53 ), Monday is the first day of week 1 | 
| %x | 
	04/21/97 | 
	Server's appropriate date representation | 
| %X | 
	05:27:15 | 
	Server's appropriate time representation | 
| %y | 
	97 | 
	Year within century ( 00 - 99 ) | 
| %Y | 
	1997 | 
	Year as ccyy ( e.g. 1986 ) | 
| %Z | 
	PDT, EST, etc. | 
	Time zone name or no characters if no time zone exists | 
The difference between %U and %W lies in which day is counted as the first of the week.  Week number 01 is the first week in January starting with a Sunday for %U or a Monday for %W.  Week number 00 contains those days before the first Sunday or Monday in January for %U and %W, respectively.