World Timezones

GMT to ICT Converter

Compare ICT to GMT instead
Greenwich Mean Time5:35 amFri, Jun 5
Greenwich Mean TimeBST
Europe · UTC+1
5:35 amFri, Jun 5
12a
1a
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12p
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9p
10p
11p
Indochina TimeICT
Asia · UTC+7
11:35 amFri, Jun 5
6a
7a
8a
9a
10a
11a
12p
1p
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9p
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Offset

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

6 hours

Greenwich Mean Time (BST) is behind Indochina Time (ICT).

BST: UTC+1

ICT: UTC+7

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

When to schedule

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

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

Suggested time: 10:00 AM Greenwich Mean Time (4:00 PM Indochina 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

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

Indochina Time is also known as ICT. To call Thailand, dial +66.

Indochina Time is approximately 5,900 miles east of Greenwich Mean Time.

Quick reference

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

GMTICTDay
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

Greenwich Mean Time observes daylight saving time; Indochina Time 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

Greenwich Mean Time
Sunrise
4:47 AM
Sunset
9:13 PM
Day length
16h 25m
Indochina Time
Sunrise
5:50 AM
Sunset
6:44 PM
Day length
12h 54m

Daylight overlap: 7h 57m — 4:47 AM–12:44 PM in Greenwich Mean Time (10:47 AM–6:44 PM in Indochina Time). Both locations are in daylight during this window.

Cities in these zones

Cities in Indochina Time

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

  • HAN
  • BKK
  • DMK
  • HPH

Related conversions

Common conversions

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