Download MetaTrader 5
MQL5 ReferenceDate and TimeTimeDaylightSavings 


Returns correction for daylight saving time in seconds, if the switch to summer time has been made. It depends on the time settings of your computer.

int  TimeDaylightSavings();

Return Value

If switch to winter (standard) time has been made, it returns 0.

Updated: 2015.12.03