Time difference
Bangkok to Boston Time Difference
Boston is 11 hours behind Bangkok — when it's 12:00 PM in Bangkok, it's 1:00 AM in Boston. (Bangkok (Asia/Bangkok, ICT); Boston (America/New_York, EDT).) Below: live local times, the best hours for a call, a full conversion table, and exact daylight-saving dates.
Boston is 11 hours behind Bangkok. Standard 9 AM–5 PM business hours in Bangkok and Boston do not overlap, so a live call needs one side outside normal hours. Clocks change on November 1, 2026, which briefly shifts the gap between Bangkok and Boston — the converter on this page always reflects the correct offset for the date you pick.
- When it's 9:00 AM in Bangkok, it's 10:00 PM the previous day in Boston.
- When it's 9:00 AM in Boston, it's 8:00 PM in Bangkok.
Boston is currently 11 hours behind Bangkok.
Interactive converter
12:00PM
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Best times to meet
Standard 9 AM – 5 PM hours in Bangkok and Boston do not overlap. The least-bad options are an early start in one city or a late evening call in the other — for example a 7–8 AM meeting in Bangkok, or a 6–8 PM meeting in Boston.
Quick conversion table
| Bangkok | Boston |
|---|---|
| 12 AM | 1:00 PM (prev day) |
| 1 AM | 2:00 PM (prev day) |
| 2 AM | 3:00 PM (prev day) |
| 3 AM | 4:00 PM (prev day) |
| 4 AM | 5:00 PM (prev day) |
| 5 AM | 6:00 PM (prev day) |
| 6 AM | 7:00 PM (prev day) |
| 7 AM | 8:00 PM (prev day) |
| 8 AM | 9:00 PM (prev day) |
| 9 AM | 10:00 PM (prev day) |
| 10 AM | 11:00 PM (prev day) |
| 11 AM | 12:00 AM |
| 12 PM | 1:00 AM |
| 1 PM | 2:00 AM |
| 2 PM | 3:00 AM |
| 3 PM | 4:00 AM |
| 4 PM | 5:00 AM |
| 5 PM | 6:00 AM |
| 6 PM | 7:00 AM |
| 7 PM | 8:00 AM |
| 8 PM | 9:00 AM |
| 9 PM | 10:00 AM |
| 10 PM | 11:00 AM |
| 11 PM | 12:00 PM |
Daylight saving
On November 1, 2026, Boston shifts for daylight saving. After that, Boston will be 12 hours behind Bangkok (currently 11 hours behind Bangkok). The converter and the tables above always reflect the correct offset for the date you pick.
- Bangkok does not observe daylight saving time.
- Boston is currently observing daylight saving time.
Frequently asked questions
- Is Boston ahead of or behind Bangkok?
- Boston is 11 hours behind Bangkok.
- How many hours behind Bangkok is Boston?
- Boston is 11 hours behind Bangkok.
- What time is 9 AM in Bangkok in Boston?
- 9:00 AM in Bangkok is 10:00 PM the previous day in Boston.
- What time is noon in Bangkok in Boston?
- 12:00 PM in Bangkok is 1:00 AM in Boston.
- What time is 5 PM in Bangkok in Boston?
- 5:00 PM in Bangkok is 6:00 AM in Boston. Useful for end-of-day handoffs between the two offices.
- What time is 3 PM in Bangkok in Boston?
- 3:00 PM in Bangkok is 4:00 AM in Boston.
- Is Bangkok currently observing daylight saving time?
- Bangkok does not observe daylight saving time — its UTC offset stays the same all year.
- Is Boston currently observing daylight saving time?
- Boston is currently observing daylight saving time (summer time).
- Do Bangkok and Boston observe daylight saving?
- On November 1, 2026, Boston shifts for daylight saving. After that, Boston will be 12 hours behind Bangkok (currently 11 hours behind Bangkok). The converter and the tables above always reflect the correct offset for the date you pick.
- When is the best time to call Boston from Bangkok?
- Bangkok and Boston business hours don't overlap. The closest options are early mornings in Bangkok or late evenings, when one side stretches outside 9–5.
- When is the best time to call Bangkok from Boston?
- Boston and Bangkok business hours don't overlap. The closest options are early mornings in Boston or late evenings, when one side stretches outside 9–5.
- Bangkok (ICT) to Boston (EDT) — how do I convert quickly?
- Subtract 11 hours from Bangkok local time to get Boston local time. Or use the converter at the top of this page — it stays accurate through daylight-saving changes automatically.
Other conversions
- Bangkok to New York
- Bangkok to London
- Bangkok to Tokyo
- Bangkok to Dubai
- Bangkok to Singapore
- Bangkok to Los Angeles
- Bangkok to Sydney
- Bangkok to Paris
- Bangkok to Mumbai
- Bangkok to Hong Kong