Time Difference Between London and Phnom Penh

The time difference between London and Phnom Penh is 6 hours. When it is 12:00 noon in London, it is 18:00 in Phnom Penh. London uses the Europe/London time zone (UTC+1), while Phnom Penh uses Asia/Phnom_Penh (UTC+7).

Time Zone Details: London vs Phnom Penh

Best Time to Schedule a Call

There are 2 overlapping business hours between London and Phnom Penh (assuming 9:00–17:00 in each city). The ideal window for calls and meetings is:

Hour-by-Hour Time Conversion

Use this table to quickly convert any hour from London time to Phnom Penh time. Rows highlighted in green indicate overlapping business hours in both cities.

Daylight Saving Time (DST) Impact

London is currently observing daylight saving time, while Phnom Penh is on standard time. When London switches back to standard time, the difference between these two cities will shift by 1 hour.

Practical Tips for London–Phnom Penh Scheduling

• Video calls: Target the 2-hour overlap window listed above. Both teams will be within normal working hours.
• Email and async work: Send messages at the end of your workday so they arrive at the start of theirs. With a 6 hours offset, replies will often land by your next morning.
• Flight arrivals: A direct flight between these cities can cross 6 time zones. Factor in jet lag recovery — most travelers need roughly one day per hour of time difference to fully adjust.
• Use UTC as a neutral reference when coordinating with three or more time zones at once.

Compare London and Phnom Penh with Other Cities

From London

From Phnom Penh

Frequently Asked Questions

What is the time difference between London and Phnom Penh?

The time difference is 6 hours. Phnom Penh is 6 hours ahead of London.

Does the time difference change during the year?

Yes. One of these cities observes DST while the other does not, so the difference shifts by 1 hour when DST begins or ends.

When is the best time to call from London to Phnom Penh?

The best window is between 09:00 and 11:00 London time, which corresponds to 15:00–17:00 in Phnom Penh. Both sides fall within normal business hours.

How do I convert London time to Phnom Penh time?

Add 6 hours to London time to get Phnom Penh time. Use the hour-by-hour table above for a quick reference.

Related Pages

• Current time in London — live clock, time zone details, DST status
• Current time in Phnom Penh — live clock, time zone details, DST status
• Time Difference Calculator — compare any two cities
• UTC+1 countries and cities
• UTC+7 countries and cities
• Current UTC Time
• All World Time Zones
• What Is a Time Zone?

For sunrise and sunset data, visit TheSunsetTimes.com. For detailed DST schedules, see DaylightSavingTime.info.