Time Difference Between London and Phnom Penh

The time difference between London and Phnom Penh is 7 hours. When it is 12:00 noon in London, it is 19:00 in Phnom Penh. London uses the Europe/London time zone (UTC+0), while Phnom Penh uses Asia/Phnom_Penh (UTC+7).

Phnom Penh is 7 hours ahead of London — 7 hours
London, United Kingdom
20:57:26
Thursday, March 26, 2026
UTC+0 · GMT
Phnom Penh, Cambodia
03:57:26
Friday, March 27, 2026
UTC+7 · +07

Time Zone Details: London vs Phnom Penh

Detail London Phnom Penh
Time Zone IDEurope/LondonAsia/Phnom_Penh
UTC OffsetUTC+0UTC+7
AbbreviationGMT+07
DST ActiveNoNo
CountryUnited KingdomCambodia
RegionEuropeAsia

Best Time to Schedule a Call

There are 1 overlapping business hours between London and Phnom Penh (assuming 9:00–17:00 in each city). The ideal window for calls and meetings is:

09:00–10:00 in London  =  16:00–17:00 in Phnom Penh

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.

London Phnom Penh
00:00 07:00 Night
01:00 08:00 Night
02:00 09:00 Night
03:00 10:00 Night
04:00 11:00 Night
05:00 12:00 Night
06:00 13:00
07:00 14:00
08:00 15:00
09:00 16:00 Overlap
10:00 17:00
11:00 18:00
12:00 19:00
13:00 20:00
14:00 21:00
15:00 22:00
16:00 23:00
17:00 00:00 (+1 day)
18:00 01:00 (+1 day)
19:00 02:00 (+1 day)
20:00 03:00 (+1 day)
21:00 04:00 (+1 day)
22:00 05:00 (+1 day) Night
23:00 06:00 (+1 day) Night

Daylight Saving Time (DST) Impact

Neither London nor Phnom Penh is currently observing daylight saving time. If either city observes DST, the time difference will change by 1 hour when DST begins or ends. Always double-check before scheduling across these time zones during March–April and October–November.

Practical Tips for London–Phnom Penh Scheduling

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 7 hours. Phnom Penh is 7 hours ahead of London.

Does the time difference change during the year?

It can. If either London or Phnom Penh observes daylight saving time, the gap will shift by 1 hour during the transition periods (typically March–April and October–November).

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

The best window is between 09:00 and 10:00 London time, which corresponds to 16:00–17:00 in Phnom Penh. Both sides fall within normal business hours.

How do I convert London time to Phnom Penh time?

Add 7 hours to London time to get Phnom Penh time. Use the hour-by-hour table above for a quick reference.

Related Pages

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