Convert London, United Kingdom to Eastern Time. Compare dates, seasonal differences and meeting hours.
London is 4h or 5h ahead of ET in 2026, depending on the date.
9 AM London = 4 AM ET
Selected date: November 3, 2026.
November 3, 2026 · Date changes are marked.
| London | ET |
|---|---|
| 12:00 AM | 7:00 PM -1 day |
| 1:00 AM | 8:00 PM -1 day |
| 2:00 AM | 9:00 PM -1 day |
| 3:00 AM | 10:00 PM -1 day |
| 4:00 AM | 11:00 PM -1 day |
| 5:00 AM | 12:00 AM |
| 6:00 AM | 1:00 AM |
| 7:00 AM | 2:00 AM |
| 8:00 AM | 3:00 AM |
| 9:00 AM | 4:00 AM |
| 10:00 AM | 5:00 AM |
| 11:00 AM | 6:00 AM |
| London | ET |
|---|---|
| 12:00 PM | 7:00 AM |
| 1:00 PM | 8:00 AM |
| 2:00 PM | 9:00 AM |
| 3:00 PM | 10:00 AM |
| 4:00 PM | 11:00 AM |
| 5:00 PM | 12:00 PM |
| 6:00 PM | 1:00 PM |
| 7:00 PM | 2:00 PM |
| 8:00 PM | 3:00 PM |
| 9:00 PM | 4:00 PM |
| 10:00 PM | 5:00 PM |
| 11:00 PM | 6:00 PM |
These examples start on 2026-11-03 in ET.
ET follows America/New_York. On your selected date it uses UTC−05:00 (EST). Its offset can change when the regional clock rules change.
Fixed alternatives: EST (UTC−05:00) · EDT (UTC−04:00). These labels keep their stated UTC offset throughout the year.
Keeping 09:00 on the London clock produces 2 different destination clock/date answers in 2026. The ranges below use London calendar dates, including transition days.
| Dates in London · 2026 | ET answer | Source → destination offsets | Explore |
|---|---|---|---|
| Jan 1 – Mar 766 dates | 04:00Same date | UTC → UTC−05:00 | |
| Mar 8 – Mar 2821 dates | 05:00Same date | UTC → UTC−04:00 | |
| Mar 29 – Oct 24210 dates | 04:00Same date | UTC+01:00 → UTC−04:00 | |
| Oct 25 – Oct 317 dates | 05:00Same date | UTC → UTC−04:00 | |
| Nov 1 – Dec 3161 dates | 04:00Same date | UTC → UTC−05:00 |
Every calendar date is included, not just workdays. Date ranges include both endpoints. Based on IANA 2026e; future rules may change.
Your complete source day: 2026-11-03. Each range shows which destination date to use.
Range starts are included; ends are excluded. 24:00 means midnight at the end of that date. Repeated hours appear separately with their UTC offsets. The strip is proportional to elapsed time.
How ET compares with London throughout 2026.
Both London and ET change their clocks in 2026. The chart shows whether those changes alter the difference.
| From (UTC, inclusive) | Until (UTC, exclusive) | ET vs London |
|---|---|---|
| 1 Jan 2026, 00:00 UTC | 8 Mar 2026, 07:00 UTC | 5h behind |
| 8 Mar 2026, 07:00 UTC | 29 Mar 2026, 01:00 UTC | 4h behind |
| 29 Mar 2026, 01:00 UTC | 25 Oct 2026, 01:00 UTC | 5h behind |
| 25 Oct 2026, 01:00 UTC | 1 Nov 2026, 06:00 UTC | 4h behind |
| 1 Nov 2026, 06:00 UTC | 1 Jan 2027, 00:00 UTC | 5h behind |
The most frequent difference has ET 5h behind relative to London. Exceptions:
| From (UTC, inclusive) | Until (UTC, exclusive) | Compared with London |
|---|---|---|
| 8 Mar 2026, 07:00 UTC | 29 Mar 2026, 01:00 UTC | 4h behind |
| 25 Oct 2026, 01:00 UTC | 1 Nov 2026, 06:00 UTC | 4h behind |
Every date calculated with your working windows. 261 selected London workdays; public holidays are not applied.
Start a 60-minute meeting in London 14:00–16:00.
These starts fit both working windows on every selected London workday in 2026, using a 15-minute start grid. The end of each range is the last valid start.
London: 09:00–17:00, Mon, Tue, Wed, Thu, Fri. ET: 09:00–17:00, Mon, Tue, Wed, Thu, Fri.
Overnight shifts belong to their start weekday. Host workday means the source calendar date. Repeated local times use the first occurrence.
London is 4h or 5h ahead of ET in 2026, depending on the date. Both London and ET change their clocks in 2026. The chart shows whether those changes alter the difference.
The published rules produce 5 periods with 2 different offsets in 2026. See the annual chart for the exact boundaries of each period.
09:00 in London on 2026-11-03 is 04:00 in ET on 2026-11-03. This selected time stays on the same date in both places. Other times can cross midnight.
Your selected working windows share 3h on 2026-11-03. The planner above checks the whole meeting duration and shows suitable start times. Edit the windows to match your team.