What is 8 AM GMT in EDT?
8 AM GMT = 3:00 AM EDT (03:00). On today's live calendar that lands on Sun, Apr 26 in EDT, which means the answer is a same day conversion rather than a static offset lookup.
Timezone converter
GMT to EDT currently uses Greenwich Mean Time in Europe/London and Eastern Time in America/New_York as the live reference pair, with a -5h live gap. GMT to EDT matters whenever London and New York City need to coordinate across a -5h gap. The GMT side covers United Kingdom and Ivory Coast, while EDT covers United States and Canada — that country mix is the practical reason this conversion shows up in calendars rather than the abstract offset math.
Last updated Apr 26, 2026. Offset math, DST behavior, and city coverage on both sides are refreshed from the live timezone dataset during the page revalidation window.
From
Greenwich Mean Time
Europe/London · GMT+1 +01:00
Major markets in this grouping include London, Abidjan, Bamako, Dakar.
To
Eastern Time
America/New_York · EDT -04:00
Major markets in this grouping include New York City, Toronto, Brooklyn, Queens.
Current gap
-5h
GMT +01:00 vs EDT -04:00
9-to-5 overlap
3h
GMT 2:00 PM previous day to 5:00 PM previous day
Representative countries
United Kingdom, Ivory Coast, and Mali / United States, Canada, and Haiti
Based on the busiest city and zone usage found in the current dataset.
GMT (London, +01:00) to EDT (New York City, -04:00) is currently a -5h conversion. Live coverage on the GMT side is anchored by London, Abidjan, Bamako, and Dakar; the EDT side draws from New York City, Toronto, Brooklyn, and Queens.
GMT to EDT matters whenever London and New York City need to coordinate across a -5h gap. The GMT side covers United Kingdom and Ivory Coast, while EDT covers United States and Canada — that country mix is the practical reason this conversion shows up in calendars rather than the abstract offset math.
This pair crosses the Atlantic, with one side in the Americas and the other in Europe or Africa. The -5h gap is small enough that there is still a real shared midday window, which is why transatlantic finance, broadcasting, and conference scheduling lean on this conversion.
Both GMT (Europe/London) and EDT (America/New_York) observe daylight saving, but the shift dates do not always align. Expect short mismatch windows in spring and autumn when one side has changed and the other has not, which moves the live gap by an hour for several weeks at a time.
GMT and EDT sit exactly 5h apart, with about 3h of shared 9-to-5 time. That is enough room for one daily standup plus one focused working session, which is what most cross-region teams actually use this overlap for.
GMT coverage on this page is led by London, United Kingdom, Abidjan, Ivory Coast, Bamako, Mali, and Dakar, Senegal, with 2 more in the live dataset. That mix is what makes GMT feel anchored to European working-day rhythms in practice rather than just an abbreviation on a chart.
EDT coverage is led by New York City, United States, Toronto, Canada, Brooklyn, United States, and Queens, United States, with 2 more anchoring the wider label family. Combined with the GMT side, this conversion ends up describing transatlantic finance, broadcast scheduling, and same-day cross-border product launches.
Adjust the time — digits roll like an odometer. Swap button flips the zones.
Quick conversions for 9 AM, noon, 3 PM, 6 PM, and 9 PM based on today's local calendar.
| GMT | EDT | Day relation |
|---|---|---|
| 9:00 AM | 4:00 AMSun, Apr 26 | same day |
| 12:00 PM | 7:00 AMSun, Apr 26 | same day |
| 3:00 PM | 10:00 AMSun, Apr 26 | same day |
| 6:00 PM | 1:00 PMSun, Apr 26 | same day |
| 9:00 PM | 4:00 PMSun, Apr 26 | same day |
Quick conversions for 9 AM, noon, 3 PM, 6 PM, and 9 PM based on today's local calendar.
| EDT | GMT | Day relation |
|---|---|---|
| 9:00 AM | 2:00 PMSun, Apr 26 | same day |
| 12:00 PM | 5:00 PMSun, Apr 26 | same day |
| 3:00 PM | 8:00 PMSun, Apr 26 | same day |
| 6:00 PM | 11:00 PMSun, Apr 26 | same day |
| 9:00 PM | 2:00 AMMon, Apr 27 | next day |
GMT to EDT ranges from GMT 9:00 AM (which lands at EDT 4:00 AM) through GMT 9:00 PM (EDT 4:00 PM). Across this -5h gap, the middle of the GMT range usually lands in the EDT afternoon — the reliable window for live calls between the two — while the early and late edges drift into EDT morning or evening.
EDT to GMT ranges from EDT 9:00 AM (which lands at GMT 2:00 PM) through EDT 9:00 PM (GMT 2:00 AM). Across this -5h gap, the middle of the EDT range usually lands in the GMT afternoon — the reliable window for live calls between the two — while the early and late edges drift into GMT morning or evening.
These direct answers are here for the exact-intent searches people actually use, like “10 AM GMT to EDT” or “4 PM GMT in EDT”.
8 AM GMT = 3:00 AM EDT (03:00). On today's live calendar that lands on Sun, Apr 26 in EDT, which means the answer is a same day conversion rather than a static offset lookup.
9 AM GMT = 4:00 AM EDT (04:00). On today's live calendar that lands on Sun, Apr 26 in EDT, which means the answer is a same day conversion rather than a static offset lookup.
10 AM GMT = 5:00 AM EDT (05:00). On today's live calendar that lands on Sun, Apr 26 in EDT, which means the answer is a same day conversion rather than a static offset lookup.
11 AM GMT = 6:00 AM EDT (06:00). On today's live calendar that lands on Sun, Apr 26 in EDT, which means the answer is a same day conversion rather than a static offset lookup.
12 PM GMT = 7:00 AM EDT (07:00). On today's live calendar that lands on Sun, Apr 26 in EDT, which means the answer is a same day conversion rather than a static offset lookup.
1 PM GMT = 8:00 AM EDT (08:00). On today's live calendar that lands on Sun, Apr 26 in EDT, which means the answer is a same day conversion rather than a static offset lookup.
2 PM GMT = 9:00 AM EDT (09:00). On today's live calendar that lands on Sun, Apr 26 in EDT, which means the answer is a same day conversion rather than a static offset lookup.
3 PM GMT = 10:00 AM EDT (10:00). On today's live calendar that lands on Sun, Apr 26 in EDT, which means the answer is a same day conversion rather than a static offset lookup.
4 PM GMT = 11:00 AM EDT (11:00). On today's live calendar that lands on Sun, Apr 26 in EDT, which means the answer is a same day conversion rather than a static offset lookup.
5 PM GMT = 12:00 PM EDT (12:00). On today's live calendar that lands on Sun, Apr 26 in EDT, which means the answer is a same day conversion rather than a static offset lookup.
6 PM GMT = 1:00 PM EDT (13:00). On today's live calendar that lands on Sun, Apr 26 in EDT, which means the answer is a same day conversion rather than a static offset lookup.
9 PM GMT = 4:00 PM EDT (16:00). On today's live calendar that lands on Sun, Apr 26 in EDT, which means the answer is a same day conversion rather than a static offset lookup.
The live gap is -5h right now, based on Europe/London at +01:00 and America/New_York at -04:00. The zones change on different dates, so there is a DST mismatch window between October 25, 2026 and November 1, 2026. During that stretch the gap shifts to -4h before settling at -5h.
The most usable workday block right now is about 3 hours: GMT 2:00 PM previous day to 5:00 PM previous day, which lines up with EDT 9:00 AM previous day to 12:00 PM previous day.
Europe/London
GMT+1 · +01:00
America/New_York
EDT · -04:00
These are the busiest live references selected from the abbreviation families on this page.
| GMT | EDT |
|---|---|
| 01:00 | 20:00 |
| 02:00 | 21:00 |
| 03:00 | 22:00 |
| 04:00 | 23:00 |
| 05:00 | 00:00 |
| 06:00 | 01:00 |
| 07:00 | 02:00 |
| 08:00 | 03:00 |
| 09:00 | 04:00 |
| 10:00 | 05:00 |
| 11:00 | 06:00 |
| 12:00 | 07:00 |
| 13:00 | 08:00 |
| 14:00 | 09:00 |
| 15:00 | 10:00 |
| 16:00 | 11:00 |
| 17:00 | 12:00 |
| 18:00 | 13:00 |
| 19:00 | 14:00 |
| 20:00 | 15:00 |
| 21:00 | 16:00 |
| 22:00 | 17:00 |
| 23:00 | 18:00 |
| 00:00 | 19:00 |
Countries represented here include United Kingdom, Ivory Coast, and Mali.
Countries represented here include United States, Canada, and Haiti.
Once a conversion pair matters, people usually need a city page, compare page, or a broader browse surface next.
Interactive converter
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