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Time Difference: London to Phnom Penh

🇬🇧LondonUTC+0
vs
🇰🇭Phnom PenhUTC+7
🇬🇧
London, UK
Fri, Jun 5
🇰🇭
Phnom Penh, Cambodia
Fri, Jun 5

Click a time to convert

Time Difference
6 hours
Phnom Penh is 6 hours ahead of London

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 9am11am in London, which is 3pm5pm in Phnom Penh. Schedule recurring meetings inside that window and both teams stay inside standard working hours.

Hour-by-hour planner

LondonPhnom PenhStatus
6am12pmOne side outside 9-to-5 but still awake
7am1pmOne side outside 9-to-5 but still awake
8am2pmOne side outside 9-to-5 but still awake
9am3pmBoth at work — ideal meeting time
10am4pmBoth at work — ideal meeting time
11am5pmOne side outside 9-to-5 but still awake
12pm6pmOne side outside 9-to-5 but still awake
1pm7pmOne side outside 9-to-5 but still awake
2pm8pmOne side outside 9-to-5 but still awake
3pm9pmOne side outside 9-to-5 but still awake
4pm10pmLondon working hours, Phnom Penh late evening
5pm11pmLondon evening, Phnom Penh late evening
6pm12amLondon evening, Phnom Penh asleep
7pm1amLondon evening, Phnom Penh asleep
8pm2amLondon evening, Phnom Penh asleep
9pm3amLondon evening, Phnom Penh asleep
10pm4amLondon 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

Great-circle distance
10,018 km
Direct flight time
~12h 47m

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.

Frequently asked questions

What is the time difference between London and Phnom Penh?
The current time difference is 6 hours. London is currently 6 hours behind Phnom Penh.
Is London ahead of Phnom Penh?
No. London is currently 6 hours behind Phnom Penh.
What time is it in Phnom Penh when it's 9 AM in London?
When it's 9 AM in London, it's 3pm in Phnom Penh.
When is the best time to schedule a meeting between London and Phnom Penh?
The best window is 9am–11am in London, which is 3pm–5pm in Phnom Penh. That's 2 hours where both teams are inside standard 9-to-5 working hours.
Do London and Phnom Penh observe daylight saving time?
London observes daylight saving time, but Phnom Penh does not — the difference between the two cities changes by one hour around the DST transition dates.
How far apart are London and Phnom Penh?
London and Phnom Penh are 10,018 km apart along the great-circle route. A direct flight takes roughly 12 hours 47 minutes.