GMT to EST Converter
UK Time to US Eastern Time: live clocks, today's full conversion table, and the best hours to call. Daylight saving is handled automatically.
About GMT and EST
UK Time (GMT/BST) is used in London, Manchester and Edinburgh. Clocks shift to BST (British Summer Time) from late March to late October.
US Eastern Time (EST/EDT) is used in New York, Washington DC, Boston, Atlanta, Miami and Toronto. Clocks shift to EDT (daylight time) from March to November.
Time difference between GMT and EST
EST is 5 hours behind GMT throughout the year. The clocks and table above are computed live from the official IANA time zone database in your browser, so daylight saving transitions are always already included.
GMT to EST conversion for every hour
9:00 AM GMT is 4:00 AM EST. 10:00 AM GMT is 5:00 AM EST. 12:00 PM GMT is 7:00 AM EST. 2:00 PM GMT is 9:00 AM EST. 3:00 PM GMT is 10:00 AM EST. 4:00 PM GMT is 11:00 AM EST. 5:00 PM GMT is 12:00 PM EST. The table at the top of this page lists all 24 hours, updated live for today's date.
Best hours for meetings
Scan the table for rows where both sides land inside working hours (9:00 to 18:00). Rows where one side is early morning or late evening are workable for a quick call; avoid rows where either side is in the middle of the night. To add a third city, type it into the planner below, or open the full time zone converter and meeting planner.
Related conversions
EST to GMT IST to GMT GMT to IST GMT to PST PST to GMT GMT to CST CST to GMT GMT to CET