MQL5 ReferenceStandard LibraryPanels and DialogsCDateTimeHourDec MonthNameShortMonthNameDayNameShortDayNameDaysInMonthDateTimeDateTimeSecMinHourDayMonYearSecDecSecIncMinDecMinIncHourDecHourIncDayDecDayIncMonDecMonIncYearDecYearInc HourDec Subtracts specified number of hours. void HourDec( int delta=1 // hours ) Parameters delta [in] Hours to subtract. Return Value None. MinInc HourInc