The formatting codes for strftime are listed below:  %aAbbreviated weekday name%AFull weekday name%bAbbreviated month name%BFull month name%cDate and time representation appropriate for locale%dDay of month as decimal number (01 – 31)%HHour in 24-hour format (00 – 23)%IHour in 12-hour format (01 – 12)%jDay of year as decimal number (001 – 366)%mMonth as decimal number (01 – 12)%MMinute as decimal number (00 – 59)%pCurrent locale’s A.M./P.M. indicator for 12-hour clock%SSecond as decimal number (00 – 59)%UWeek of year as decimal number, with Sunday as first day of week (00 – 53)%wWeekday as decimal number (0 – 6; Sunday is 0)%WWeek of year as decimal number, with Monday as first day of week (00 – 53)%xDate representation for current locale%XTime representation for current locale%yYear without century, as decimal number (00 – 99)%YYear with century, as decimal number%z, %ZEither the time-zone name or time zone abbreviation, depending on registry settings; no characters if time zone is unknown%%Percent sign

小写c.查阅MSDN。