Time Difference: London to Phnom Penh
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London vs Phnom Penh timezone guide
London (UK) uses the Europe/London timezone at UTC+0, while Phnom Penh (Cambodia) uses Asia/Phnom_Penh at UTC+7. This means Phnom Penh is 7 hours ahead of London (based on standard offsets — the live difference above accounts for daylight saving time).
Best meeting times between London and Phnom Penh
Standard 9-to-5 working hours overlap by 2 hours per day. The shared window is 9am–11am in London, which is 3pm–5pm in Phnom Penh. Schedule recurring meetings inside that window and both teams stay inside standard working hours.
Hour-by-hour planner
| London | Phnom Penh | Status |
|---|---|---|
| 6am | 12pm | One side outside 9-to-5 but still awake |
| 7am | 1pm | One side outside 9-to-5 but still awake |
| 8am | 2pm | One side outside 9-to-5 but still awake |
| 9am | 3pm | Both at work — ideal meeting time |
| 10am | 4pm | Both at work — ideal meeting time |
| 11am | 5pm | One side outside 9-to-5 but still awake |
| 12pm | 6pm | One side outside 9-to-5 but still awake |
| 1pm | 7pm | One side outside 9-to-5 but still awake |
| 2pm | 8pm | One side outside 9-to-5 but still awake |
| 3pm | 9pm | One side outside 9-to-5 but still awake |
| 4pm | 10pm | London working hours, Phnom Penh late evening |
| 5pm | 11pm | London evening, Phnom Penh late evening |
| 6pm | 12am | London evening, Phnom Penh asleep |
| 7pm | 1am | London evening, Phnom Penh asleep |
| 8pm | 2am | London evening, Phnom Penh asleep |
| 9pm | 3am | London evening, Phnom Penh asleep |
| 10pm | 4am | London late evening, Phnom Penh asleep |
Green = standard working hours (9 AM – 5 PM). Amber = early (6–9 AM). Orange = evening (5–10 PM). Grey = asleep or late.
Daylight saving time between London and Phnom Penh
London observes daylight saving time, but Phnom Penh does not. That means the difference between the two cities changes seasonally — by one hour, around London's transition dates.
- Jan 1 → Mar 29London is 7 hours behind Phnom Penh
- Mar 29 → Oct 25London is 6 hours behind Phnom Penh
- Oct 25 → Dec 31London is 7 hours behind Phnom Penh
Distance between London and Phnom Penh
London and Phnom Penh are 10,018 km apart along the great-circle route. A direct flight takes roughly ~12h 47m, depending on aircraft type, winds, and routing.