Time difference between Greenwich and London
Compare the current local time in Greenwich and London, see when your working hours overlap, and convert any specific hour between the two timezones.
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Convert a specific time
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Working-hours overlap
When Greenwich's 9:00–17:00 business hours overlap with London's.
Greenwich working hours
London working hours
Overlap (both working)
🇺🇸 Greenwich
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🇬🇧 London
Scheduling across Greenwich and London
Scheduling between Greenwich and London is straightforward. Business hours overlap for around 3 hours each day, from 09:00 to 12:00 in Greenwich (14:00 to 17:00 in London). Most calls can be booked without either side stepping outside conventional hours.
Quick reference
| 🇺🇸 Greenwich | 🇬🇧 London | In London it's… |
|---|---|---|
| 06:00 — Early morning | — | — |
| 09:00 — Start of work | — | — |
| 12:00 — Lunchtime | — | — |
| 15:00 — Mid-afternoon | — | — |
| 17:00 — End of work | — | — |
| 20:00 — Evening | — | — |
Daylight saving status
🇺🇸 Greenwich
Currently in EDT (daylight saving)
Clocks go back to EST
on Sunday 1 November 2026
🇬🇧 London
Currently in BST (daylight saving)
Clocks go back to GMT
on Sunday 25 October 2026