Surat doesn't observe daylight saving time but Buffalo does. DST in Buffalo started on 10 March 2019 and will end on 03 November 2019. Once DST ends in Buffalo the time difference between Surat and Buffalo will be -10:30 hours.
Time zone: IST - India Standard Time (UTC/GMT +5:30)Time zone difference / Flight distance
Time zone: EDT - Eastern Daylight Time (UTC/GMT -4)DST started on 10 March 2019DST will end on 03 November 2019Time zone difference / Flight distance