Bangkok time to UTC time
UTC is 7 hours behind Bangkok all year (Bangkok GMT+7/UTC+07:00 in summer; UTC UTC/UTC+00:00). Enter a Bangkok time below to convert it, or leave it blank to see the current time in both cities.
How to use the Bangkok to UTC time
- Type a Bangkok time (24-hour) and optionally a date, or leave blank for now.
- Click Convert.
- Read the UTC time and the working-hours table.
Time difference between Bangkok and UTC
UTC is 7 hours behind Bangkok all year. Neither city changes its clocks, so the difference is the same all year. Bangkok uses Asia/Bangkok time (UTC+07:00 in January, UTC+07:00 in July); UTC uses UTC (UTC+00:00 in January, UTC+00:00 in July).
Working week in Bangkok and UTC
Bangkok: Indochina Time, UTC+7 all year. Office hours 08:30–17:30, weekend Saturday–Sunday.
UTC: Coordinated Universal Time never changes and has no daylight saving. It is the reference for aviation, servers, logs and international scheduling; London matches it only in winter.
Quick conversion table (summer difference)
| Bangkok | UTC |
|---|---|
| 08:00 | 01:00 |
| 09:00 | 02:00 |
| 10:00 | 03:00 |
| 12:00 | 05:00 |
| 14:00 | 07:00 |
| 16:00 | 09:00 |
| 18:00 | 11:00 |
| 20:00 | 13:00 |
| 22:00 | 15:00 |
Table uses the July difference; the tool above applies the exact rule for any date.
Best time to call between Bangkok and UTC
Within normal office hours (09:00–18:00) in both cities: 16:00–17:00 Bangkok time. For a compromise outside that window, the fairest slots are the ones nearest each side's start or end of day, alternating who takes the inconvenient hour.
Reverse
Need the other direction? See UTC to Bangkok, or the general time zone converter.
Frequently asked questions
How many hours ahead is UTC from Bangkok?
UTC is 7 hours behind Bangkok all year.
When it is 12:00 noon in Bangkok, what time is it in UTC?
05:00 in summer (the same or previous day); use the tool for a specific date.
Does the converter handle daylight saving?
Yes, for the exact date you enter, using the IANA time-zone rules in your browser.
Privacy
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Last updated 2026-09-23.