MQL5 ReferenceStandard LibraryPanels and DialogsCDateTimeSecDec MonthNameShortMonthNameDayNameShortDayNameDaysInMonthDateTimeDateTimeSecMinHourDayMonYearSecDecSecIncMinDecMinIncHourDecHourIncDayDecDayIncMonDecMonIncYearDecYearInc SecDec Subtracts specified number of seconds. void SecDec( int delta=1 // seconds ) Parameters delta [in] Seconds to subtract. Return Value None. Year SecInc