12/7 may refer to: December 7 (month-day date notation) 12 July (day-month date notation) 12 shillings and 7 pence in UK predecimal currency December 7th, the 341st day of the Gregorian Calendar (342nd day on leap years) 12th of July, the date The Japanese attack on Pearl Harbor on December 7th, 1941
See also 127 (disambiguation) 7/12 (disambiguation)