Greenwich Mean Time · UTC+0 → Eastern Standard Time · UTC-5
9:00 PM GMT is
4:00 PM EST
same day
EST is 5 hours behind GMT.
Date & time
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To
Pick a destination city to see the converted time
GMT is always UTC+0. London switches between GMT and BST (UTC+1) during the year. For the clock in London today, use London to EST.
EST is always UTC-5. New York switches between EST and EDT (UTC-4) during the year. For the clock in New York today, use New York to GMT.
Comparing more than two places? The world clock shows every city you care about side by side.