World Timezones

Bangkok to GMT Converter

Compare GMT to Bangkok instead
Bangkok9:18 pmWed, Jun 10
BangkokICT
Thailand · UTC+7
9:18 pmWed, Jun 10
12a
1a
2a
3a
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5a
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8a
9a
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11a
12p
1p
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6p
7p
8p
9p
10p
11p
Greenwich Mean TimeBST
Europe · UTC+1
3:18 pmWed, Jun 10
6p
7p
8p
9p
10p
11p
12a
1a
2a
3a
4a
5a
6a
7a
8a
9a
10a
11a
12p
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4p
5p

Offset

The time difference between Bangkok and Greenwich Mean Time is 6 hours.

6 hours

Bangkok (ICT) is ahead of Greenwich Mean Time (BST).

ICT: UTC+7

BST: UTC+1

Greenwich Mean Time is currently observing daylight saving time; Bangkok is not.

When to schedule

Business-hours overlap: 3 PM–5 PM in Bangkok (9 AM–11 AM in Greenwich Mean Time).

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

Suggested time: 4:00 PM Bangkok (10:00 AM Greenwich Mean Time).

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

Bangkok uses Indochina Time (ICT). To call Thailand, dial +66.

Greenwich Mean Time is also known as GMT, or BST. To call United Kingdom, dial +44.

Greenwich Mean Time is approximately 5,900 miles northwest of Bangkok.

Quick reference

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

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

Daylight saving time

Greenwich Mean Time observes daylight saving time; Bangkok does not. The offset between the two zones changes when Greenwich Mean Time 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

Bangkok
Sunrise
5:51 AM
Sunset
6:46 PM
Day length
12h 55m
Greenwich Mean Time
Sunrise
4:45 AM
Sunset
9:17 PM
Day length
16h 32m

Daylight overlap: 8h 1m — 10:45 AM–6:46 PM in Bangkok (4:45 AM–12:46 PM in Greenwich Mean Time). Both locations are in daylight during this window.

Cities in these zones

Other cities in Indochina Time

Browse all cities to see the current local time anywhere.

Airports in these zones

Airports in Indochina Time

  • HAN
  • BKK
  • DMK
  • HPH

Airports in Greenwich Mean Time

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

Related conversions

Common conversions

What is 9:00 am Bangkok in GMT?
9:00 am Bangkok is 3:00 am GMT.
What is 12:00 pm Bangkok in GMT?
12:00 pm Bangkok is 6:00 am GMT.
What is 12:30 pm Bangkok in GMT?
12:30 pm Bangkok is 6:30 am GMT.
What is 2:00 pm Bangkok in GMT?
2:00 pm Bangkok is 8:00 am GMT.
What is 5:00 pm Bangkok in GMT?
5:00 pm Bangkok is 11:00 am GMT.
What is 11:30 pm Bangkok in GMT?
11:30 pm Bangkok is 5:30 pm GMT.