%a Abbreviated weekday name %A Full weekday name %b Abbreviated month name %B Full month name %c Date and time, locale-specific %d Day of the month as decimal number (01-31) %H Hours as decimal number (00-23) on the 24-hour clock %I Hours as decimal number (01-12) on the 12-hour clock %j Day of year as decimal number (001-366) %m Month as decimal number (01-12) %M Minute as decimal number (00-59) %p AM/PM indicator in the locale %S Second as decimal number (00-61) allowing for two “leap seconds” %U Week of the year (00-53) using the first Sunday as day 1 of week 1 %w Weekday as decimal number (0-6, Sunday is 0) %W Week of the year (00-53) using the first Monday as day 1 of week 1 %x Date, locale-specific %X Time, locale-specific %Y Year with century %Z Time zone as a character string (output only)