Use the case-sensitive strftime flags below to format dates and times.
Date Flags
%Y The full year, including century. (1999, 2001)
%C The year's century, rounding down. (19, 20)
%y The last two digits of the year. (99, 01)
%m Month of the year. (01, 12)
%_m Blank-padded month of the year. ( 1, 12)
%-m Unpadded month of the year. (1, 12)
%B The full month name. (January, February)
%^B Uppercased full month name. (JANUARY, FEBRUARY)
%b The abbreviated month name. (Jan, Feb)
%^b Uppercased abbreviated month name. (JAN, FEB)
%d Day of the month. (01, 31)
%_d Blank-padded day of the month. ( 1, 31)
%-d Unpadded day of the month. (1, 31)
%j Day of the year. (001, 366)
%_j Blank-padded day of the year. ( 1, 366)
%-j Unpadded day of the year. (1, 366)
Time Flags
%H Hour of the day, 24-hour clock. (00, 23)
%_H Blank-padded hour of the day, 24-hour clock. ( 0, 23)
%-H Unpadded hour of the day, 24-hour clock. (0, 23)
%I Hour of the day, 12-hour clock (01, 12)
%_I Blank-padded hour of the day, 12-hour clock. ( 1, 12)
%-I Unpadded hour of the day, 12-hour clock. (1, 12)
%P Uppercase meridian indicator. (AM, PM)
%p Lowercase meridian indicator. (am, pm)
%M Minute of the hour. (00, 59)
%_M Blank-padded minute of the hour. ( 0, 59)
%-M Unpadded minute of the hour. (0, 59)
%S Second of the minute. (00, 59)
%_S Blank-padded second of the minute. ( 0, 59)
%-S Unpadded second of the minute. (0, 59)
Week Flags
%U Week number of the year, starting with Sunday. (00, 53)
%_U Blank-padded week number of the year, starting with Sunday. ( 0, 53)
%-U Unpadded week number of the year, starting with Sunday. (0, 53)
%W Week number of the year, starting with Monday. (00, 53)
%_W Blank-padded week number of the year, starting with Monday. ( 0, 53)
%-W Unpadded week number of the year, starting with Monday. (0, 53)
%A The full weekday name. (Sunday, Monday)
%^A Uppercased full weekday name. (SUNDAY, MONDAY)
%a Abbreviated weekday name. (Sun, Mon)
%^a Uppercased abbreviated weekday name. (SUN, MON)