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Specifier		Replaced by								Example 
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%a 		Abbreviated weekday name * 						Thu 
%A 		Full weekday name *  							Thursday 
%b 		Abbreviated month name * 							Aug 
%B 		Full month name * 							August 
%c 		Date and time representation * 						Thu Aug 23 14:55:02 2001 
%d 		Day of the month (01-31) 							23 
%H 		Hour in 24h format (00-23) 							14 
%I 		Hour in 12h format (01-12) 							2 
%j 		Day of the year (001-366) 							235 
%m 		Month as a decimal number (01-12) 						08 
%M 		Minute (00-59) 								55 
%p 		AM or PM designation 							PM 
%S 		Second (00-61) 								02 
%U 		Week number with the first Sunday as the first day of week one (00-53) 		33 
%w 		Weekday as a decimal number with Sunday as 0 (0-6) 				4 
%W 		Week number with the first Monday as the first day of week one (00-53) 		34 
%x 		Date representation * 							08/23/01 
%X 		Time representation * 							14:55:02 
%y 		Year, last two digits (00-99) 						01 
%Y 		Year 									2001 
%Z 		Timezone name or abbreviation 						CDT 
%% 		A % sign 								% 
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* The specifiers whose description is marked with an asterisk (*) are locale-dependent.