United Kingdom
London

United Kingdom

Cambodia
Phnom Penh

Cambodia

London to Phnom Penh Time Difference

Phnom Penh is 6 hours ahead of London

LondonUnited Kingdom
3:00 AM
Thursday, April 2, 2026
UTC+1
Phnom PenhCambodia
9:00 AM
Thursday, April 2, 2026
UTC+7

London vs Phnom Penh — At a Glance

London
Phnom Penh
Time Zone
UTC+1
UTC+7
Currency
GBP
KHR
Language
English
Khmer
Dial Code
+44
+855
Hub Type
finance
government

London to Phnom Penh — Hour-by-Hour

London, United Kingdom
Phnom Penh, Cambodia
12:00 AM
6:00 AM
1:00 AM
7:00 AM
2:00 AM
8:00 AM
3:00 AM
9:00 AM
4:00 AM
10:00 AM
5:00 AM
11:00 AM
6:00 AM
12:00 PM
7:00 AM
1:00 PM
8:00 AM
2:00 PM
9:00 AM
3:00 PM
10:00 AM
4:00 PM
11:00 AM
5:00 PM
12:00 PM
6:00 PM
1:00 PM
7:00 PM
2:00 PM
8:00 PM
3:00 PM
9:00 PM
4:00 PM
10:00 PM
5:00 PM
11:00 PM
6:00 PM
12:00 AM(Apr 3)
7:00 PM
1:00 AM(Apr 3)
8:00 PM
2:00 AM(Apr 3)
9:00 PM
3:00 AM(Apr 3)
10:00 PM
4:00 AM(Apr 3)
11:00 PM
5:00 AM(Apr 3)

About London and Phnom Penh

London (population: 8.8M) is known for global finance, the City of London, Buckingham Palace, and the world's oldest underground railway. Phnom Penh (population: 2.1M) is known for the Royal Palace, Mekong River, and Cambodia's emerging digital economy.

Business Hours Overlap

Phnom Penh is a national capital, so official government hours (typically 9 AM–5 PM) are the primary window for diplomatic and administrative communication with London.

Calling Between Cities

When calling Phnom Penh (+855) from London (+44), be mindful of the 6-hour gap. The safest window is early morning in London (8–10 AM) to reach people during waking hours.

Currency

London uses GBP while Phnom Penh uses KHR. Check current exchange rates before making payments or transferring funds between the two cities.

Language

London and Phnom Penh share English as a common language, which simplifies business communication.

Use our world clock tool to compare London and Phnom Penh visually, or browse more timezone conversions.

Frequently Asked Questions

What is the time difference between London and Phnom Penh?

Phnom Penh, Cambodia is 6 hours ahead of London, United Kingdom. London is in the Europe/London timezone (UTC+1) and Phnom Penh is in the Asia/Bangkok timezone (UTC+7).

When it's noon in London, what time is it in Phnom Penh?

When it's 12:00 PM (noon) in London, it's 6:00 PM in Phnom Penh.

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

The best time to call Phnom Penh from London is during the overlapping business hours. When it's 9 AM in London, it's 3:00 PM in Phnom Penh. Aim for late morning to early afternoon in London for the best chance of reaching someone during working hours.

What currency does Phnom Penh use?

Phnom Penh, Cambodia uses KHR. London uses GBP. You will need to check the current exchange rate for transactions between the two.

What language is spoken in Phnom Penh?

The primary languages in Phnom Penh are Khmer, English. London also speaks English, making communication easier.

How do I dial Phnom Penh from London?

To call Phnom Penh from London, dial your international access code followed by +855 and the local number. London uses country code +44 and Phnom Penh uses +855.

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