Please note that as the DST(Daylight Saving Time) will be applied to NY time on March 13th, 2016, the server time on MetaTrader4 will be changed accordingly.
The time change will be applied when the markets reopen on Sunday, there will be some changes to trading times. On Sunday, Trading will start at 22:00 GMT and market close will shift, temporarily, to Friday, 21:00 GMT.
Normal market hours will resume on March 27th when the European Daylight Savings come into to effect.
The server time on MT4 will be set to GMT+3, with the DST in NY. In case you are running EAs(Expert Advisers) you may need to adjust the settings accordingly if necessary.