HOUR /text/scalc/01/func_hour.xhp HOUR function HOUR Returns the hour for a given time value. The hour is returned as an integer between 0 and 23. Syntax HOUR(Number) Number, as a time value, is a decimal, for which the hour is to be returned. Examples =HOUR(NOW()) returns the current hour =HOUR(C4) returns 17 if the contents of C4 = 17:20:00. YEAR, NOW, MINUTE, MONTH, DAY, WEEKDAY.