EST to GMT converter

Eastern Time (EST) is UTC−5 and observes daylight saving (EDT, UTC−4, roughly March–November). It covers New York, Toronto, Miami and Atlanta.

UK Time (GMT) is UTC+0 and observes British Summer Time (BST, UTC+1, roughly March–October). It covers London, Manchester and Edinburgh.

UK Time is typically 5 hours ahead of Eastern Time, though daylight saving can shift the difference by an hour at some times of year.

Best time to call UK Time from Eastern Time

Office hours overlap for about 3 hours a day: 9:00 AM–12:00 PM in Eastern Time is 2:00 PM–5:00 PM in UK Time. Book calls inside this window and nobody is out of hours. Daylight saving can shift these times by an hour at some points in the year.