ICT to GMT Converter & Meeting Planner
Quick answer: 9:00 AM ICT = 2:00 AM GMT (fixed +07:00 standard offset — not DST-adjusted). Use the interactive converter below for DST-aware local-time scheduling.
Planning a call or meeting between Indochina Time (ICT) and Greenwich Mean Time (GMT)? You need to account for the standard time difference. Greenwich Mean Time is normally 7 hours behind Indochina Time. Whether you are coordinating between teams in Bangkok and Ho Chi Minh City and London and Dublin, our live tool has you covered. Use our interactive overlap studio below to find the perfect waking hours for both regions, taking into account any seasonal Daylight Saving Time (DST) changes.
24-Hour Conversion Table
Quick reference: 12:00 AM ICT = 5:00 PM GMT. The full 24-hour ICT to GMT table below uses fixed standard offsets for exact abbreviation searches.
Example: 3:00 PM ICT = 8:00 AM GMT.
| ICT Time | GMT Time |
|---|---|
| 12:00 AM (00:00) | 5:00 PM (17:00)-1 day |
| 1:00 AM (01:00) | 6:00 PM (18:00)-1 day |
| 2:00 AM (02:00) | 7:00 PM (19:00)-1 day |
| 3:00 AM (03:00) | 8:00 PM (20:00)-1 day |
| 4:00 AM (04:00) | 9:00 PM (21:00)-1 day |
| 5:00 AM (05:00) | 10:00 PM (22:00)-1 day |
| 6:00 AM (06:00) | 11:00 PM (23:00)-1 day |
| 7:00 AM (07:00) | 12:00 AM (00:00) |
| 8:00 AM (08:00) | 1:00 AM (01:00) |
| 9:00 AM (09:00) | 2:00 AM (02:00) |
| 10:00 AM (10:00) | 3:00 AM (03:00) |
| 11:00 AM (11:00) | 4:00 AM (04:00) |
| 12:00 PM (12:00) | 5:00 AM (05:00) |
| 1:00 PM (13:00) | 6:00 AM (06:00) |
| 2:00 PM (14:00) | 7:00 AM (07:00) |
| 3:00 PM (15:00) | 8:00 AM (08:00) |
| 4:00 PM (16:00) | 9:00 AM (09:00) |
| 5:00 PM (17:00) | 10:00 AM (10:00) |
| 6:00 PM (18:00) | 11:00 AM (11:00) |
| 7:00 PM (19:00) | 12:00 PM (12:00) |
| 8:00 PM (20:00) | 1:00 PM (13:00) |
| 9:00 PM (21:00) | 2:00 PM (14:00) |
| 10:00 PM (22:00) | 3:00 PM (15:00) |
| 11:00 PM (23:00) | 4:00 PM (16:00) |
Best time to call London from Bangkok
For most work calls, compare the normal business day in Bangkok (ICT) with the business day in London (GMT). ICT commonly covers Southeast Asia, Indochina Peninsula, while GMT is mainly associated with Europe, Africa.
⚠️ Note: 2026-07-05 is not a normal workday in one or both regions based on their configured calendar. The overlap below should be treated as a reference, not a guaranteed office-hours window.
✅ The most practical overlap on 2026-07-05 is usually 3:00 PM - 5:00 PM ICT, which corresponds to 9:00 AM - 11:00 AM GMT. This window sits inside the typical ICT workday (9:00 AM - 5:00 PM) and the GMT workday (9:00 AM - 5:00 PM).
- DST Safety: ICT or GMT may shift during Daylight Saving Time. Always confirm the converted time for your specific date.
- Stock Exchange of Thailand (SET): 10:00-16:30 local time in Bangkok.
- London Stock Exchange: 08:00-16:30 local time in London.
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Frequently Asked Questions
What is the time difference between ICT and GMT?
During standard time, Greenwich Mean Time is 7 hours behind Indochina Time.
Which countries use Indochina Time (ICT)?
Indochina Time is the official standard time for four Southeast Asian nations: Thailand, Vietnam, Cambodia, and Laos. All four countries observe a single, unified UTC+07:00 offset with no regional subdivisions.
Do Thailand and Vietnam observe Daylight Saving Time?
Neither Thailand nor Vietnam observes Daylight Saving Time, and neither do Cambodia or Laos. ICT remains fixed at UTC+07:00 throughout the entire year, with no seasonal clock changes.
What is the difference between GMT and BST?
GMT (Greenwich Mean Time) is the UK's standard winter offset at UTC+0, observed from the last Sunday in October through the last Sunday in March. BST (British Summer Time) is the daylight saving offset at UTC+1, applied each summer when clocks advance one hour.
Is GMT the same as UTC?
GMT and UTC share exactly the same numerical offset — both represent UTC+00:00 — but they are fundamentally different in nature. UTC is an atomic-clock-based international time standard used as the global reference, while GMT is a geographic time zone legally observed by specific countries including the United Kingdom and Ireland during winter months.