World Timezones

London to Phnom Penh Converter

Compare Phnom Penh to London instead
London3:44 amMon, Jun 8
LondonBST
ENG, United Kingdom · UTC+1
3:44 amMon, Jun 8
12a
1a
2a
3a
4a
5a
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p
9p
10p
11p
Phnom PenhICT
Cambodia · UTC+7
9:44 amMon, Jun 8
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p
9p
10p
11p
12a
1a
2a
3a
4a
5a

Offset

The time difference between London and Phnom Penh is 6 hours.

6 hours

London (BST) is behind Phnom Penh (ICT).

BST: UTC+1

ICT: UTC+7

London is currently observing daylight saving time; Phnom Penh is not.

When to schedule

Business-hours overlap: 9 AM–11 AM in London (3 PM–5 PM in Phnom Penh).

Both teams are in working hours during this window on weekdays.

Suggested time: 10:00 AM London (4:00 PM Phnom Penh).

This window may shift by an hour during daylight saving time.

Public holidays in 2026

National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.

United Kingdom

  • Good FridayFri, Apr 3
  • Early May Bank HolidayMon, May 4
  • Spring Bank HolidayMon, May 25
  • Christmas DayFri, Dec 25
  • St. Stephen's DayMon, Dec 28

About these zones

London uses Greenwich Mean Time (GMT, or BST). To call United Kingdom, dial +44.

Phnom Penh uses Indochina Time (ICT). To call Cambodia, dial +855.

Phnom Penh is approximately 6,200 miles east of London.

Quick reference

Full 24-hour conversion table — tap any time to open it in the converter.

LondonPhnom PenhDay
12:00 am6:00 amSame day
1:00 am7:00 amSame day
2:00 am8:00 amSame day
3:00 am9:00 amSame day
4:00 am10:00 amSame day
5:00 am11:00 amSame day
6:00 am12:00 pmSame day
7:00 am1:00 pmSame day
8:00 am2:00 pmSame day
9:00 am3:00 pmSame day
10:00 am4:00 pmSame day
11:00 am5:00 pmSame day
12:00 pm6:00 pmSame day
1:00 pm7:00 pmSame day
2:00 pm8:00 pmSame day
3:00 pm9:00 pmSame day
4:00 pm10:00 pmSame day
5:00 pm11:00 pmSame day
6:00 pm12:00 am+1 day
7:00 pm1:00 am+1 day
8:00 pm2:00 am+1 day
9:00 pm3:00 am+1 day
10:00 pm4:00 am+1 day
11:00 pm5:00 am+1 day

Daylight saving time

London observes daylight saving time; Phnom Penh does not. The offset between the two zones changes when London transitions: on Sunday, October 25, 2026, clocks fall back from BST to GMT.

See the daylight saving time page for transition dates across every time zone.

Daylight today

London
Sunrise
4:46 AM
Sunset
9:15 PM
Day length
16h 30m
Phnom Penh
Sunrise
5:37 AM
Sunset
6:24 PM
Day length
12h 47m

Daylight overlap: 7h 38m — 4:46 AM–12:24 PM in London (10:46 AM–6:24 PM in Phnom Penh). Both locations are in daylight during this window.

Cities in these zones

Browse all cities to see the current local time anywhere.

Airports in these zones

Airports in Greenwich Mean Time

  • LCY
  • LGW
  • LHR
  • LTN
  • STN
  • BHX
  • EMA
  • GLA
  • PIK
  • LBA

Airports in Indochina Time

  • KTI

Related conversions

Common conversions

What is 9:00 am London in Phnom Penh?
9:00 am London is 3:00 pm Phnom Penh.
What is 12:00 pm London in Phnom Penh?
12:00 pm London is 6:00 pm Phnom Penh.
What is 12:30 pm London in Phnom Penh?
12:30 pm London is 6:30 pm Phnom Penh.
What is 2:00 pm London in Phnom Penh?
2:00 pm London is 8:00 pm Phnom Penh.
What is 5:00 pm London in Phnom Penh?
5:00 pm London is 11:00 pm Phnom Penh.
What is 11:30 pm London in Phnom Penh?
11:30 pm London is 5:30 am Phnom Penh, the next day.