Bangkok to Boom time converter
Boom is 5 hours behind Bangkok. When it is 9:00 AM in Bangkok, it is 4:00 AM in Boom.
5:42 AM in Bangkok, Monday, October 19, 2026
Bangkok to Boom conversion table
Every hour of today in Bangkok and the matching time in Boom. Light rows are typical working hours (9:00–18:00).
| Bangkok | Boom |
|---|---|
| 12:00 AM | 7:00 PM−1 day |
| 1:00 AM | 8:00 PM−1 day |
| 2:00 AM | 9:00 PM−1 day |
| 3:00 AM | 10:00 PM−1 day |
| 4:00 AM | 11:00 PM−1 day |
| 5:00 AM | 12:00 AM |
| 6:00 AM | 1:00 AM |
| 7:00 AM | 2:00 AM |
| 8:00 AM | 3:00 AM |
| 9:00 AM | 4:00 AM |
| 10:00 AM | 5:00 AM |
| 11:00 AM | 6:00 AM |
| 12:00 PM | 7:00 AM |
| 1:00 PM | 8:00 AM |
| 2:00 PM | 9:00 AM |
| 3:00 PM | 10:00 AM |
| 4:00 PM | 11:00 AM |
| 5:00 PM | 12:00 PM |
| 6:00 PM | 1:00 PM |
| 7:00 PM | 2:00 PM |
| 8:00 PM | 3:00 PM |
| 9:00 PM | 4:00 PM |
| 10:00 PM | 5:00 PM |
| 11:00 PM | 6:00 PM |
Best time to call or meet
Both sides are at work from 2:00 PM – 6:00 PM in Bangkok (9:00 AM – 1:00 PM in Boom).
Daylight saving time and the difference
The difference changes during the year because Bangkok and Boom switch clocks on different dates:
- Oct 19, 2026 – Oct 25, 2026: -5h
- Oct 25, 2026 – Mar 28, 2027: -6h
- Mar 28, 2027 – Oct 19, 2027: -5h
Distance
Bangkok and Boom are 9,242 km (5,743 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between Bangkok and Boom?
Boom is 5 hours behind Bangkok.
What time is it in Boom when it is 9 AM in Bangkok?
When it is 9:00 AM in Bangkok, it is 4:00 AM in Boom.
When is the best time to call Boom from Bangkok?
Both sides are at work from 2:00 PM – 6:00 PM in Bangkok (9:00 AM – 1:00 PM in Boom).
Does the time difference between Bangkok and Boom change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.