Time difference
Boston to Guangzhou Time Difference
Guangzhou is 12 hours ahead of Boston — when it's 12:00 PM in Boston, it's 12:00 AM the next day in Guangzhou. (Boston (America/New_York, EDT); Guangzhou (Asia/Shanghai, CST).) Below: live local times, the best hours for a call, a full conversion table, and exact daylight-saving dates.
Guangzhou is 12 hours ahead of Boston. Standard 9 AM–5 PM business hours in Boston and Guangzhou 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 Boston and Guangzhou — the converter on this page always reflects the correct offset for the date you pick.
- When it's 9:00 AM in Boston, it's 9:00 PM in Guangzhou.
- When it's 9:00 AM in Guangzhou, it's 9:00 PM the previous day in Boston.
Guangzhou is currently 12 hours ahead of Boston.
Interactive converter
12:00PM
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Best times to meet
Standard 9 AM – 5 PM hours in Boston and Guangzhou 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 Boston, or a 6–8 PM meeting in Guangzhou.
Quick conversion table
| Boston | Guangzhou |
|---|---|
| 12 AM | 12:00 PM |
| 1 AM | 1:00 PM |
| 2 AM | 2:00 PM |
| 3 AM | 3:00 PM |
| 4 AM | 4:00 PM |
| 5 AM | 5:00 PM |
| 6 AM | 6:00 PM |
| 7 AM | 7:00 PM |
| 8 AM | 8:00 PM |
| 9 AM | 9:00 PM |
| 10 AM | 10:00 PM |
| 11 AM | 11:00 PM |
| 12 PM | 12:00 AM (next day) |
| 1 PM | 1:00 AM (next day) |
| 2 PM | 2:00 AM (next day) |
| 3 PM | 3:00 AM (next day) |
| 4 PM | 4:00 AM (next day) |
| 5 PM | 5:00 AM (next day) |
| 6 PM | 6:00 AM (next day) |
| 7 PM | 7:00 AM (next day) |
| 8 PM | 8:00 AM (next day) |
| 9 PM | 9:00 AM (next day) |
| 10 PM | 10:00 AM (next day) |
| 11 PM | 11:00 AM (next day) |
Daylight saving
On November 1, 2026, Boston shifts for daylight saving. After that, Guangzhou will be 13 hours ahead of Boston (currently 12 hours ahead of Boston). The converter and the tables above always reflect the correct offset for the date you pick.
- Boston is currently observing daylight saving time.
- Guangzhou does not observe daylight saving time.
Frequently asked questions
- Is Guangzhou ahead of or behind Boston?
- Guangzhou is 12 hours ahead of Boston.
- How many hours ahead of Boston is Guangzhou?
- Guangzhou is 12 hours ahead of Boston.
- What time is 9 AM in Boston in Guangzhou?
- 9:00 AM in Boston is 9:00 PM in Guangzhou.
- What time is noon in Boston in Guangzhou?
- 12:00 PM in Boston is 12:00 AM the next day in Guangzhou.
- What time is 5 PM in Boston in Guangzhou?
- 5:00 PM in Boston is 5:00 AM the next day in Guangzhou. Useful for end-of-day handoffs between the two offices.
- What time is 3 PM in Boston in Guangzhou?
- 3:00 PM in Boston is 3:00 AM the next day in Guangzhou.
- Is Boston currently observing daylight saving time?
- Boston is currently observing daylight saving time (summer time).
- Is Guangzhou currently observing daylight saving time?
- Guangzhou does not observe daylight saving time — its UTC offset stays the same all year.
- Do Boston and Guangzhou observe daylight saving?
- On November 1, 2026, Boston shifts for daylight saving. After that, Guangzhou will be 13 hours ahead of Boston (currently 12 hours ahead of Boston). The converter and the tables above always reflect the correct offset for the date you pick.
- When is the best time to call Guangzhou from Boston?
- Boston and Guangzhou business hours don't overlap. The closest options are early mornings in Boston or late evenings, when one side stretches outside 9–5.
- When is the best time to call Boston from Guangzhou?
- Guangzhou and Boston business hours don't overlap. The closest options are early mornings in Guangzhou or late evenings, when one side stretches outside 9–5.
- Boston (EDT) to Guangzhou (CST) — how do I convert quickly?
- Add 12 hours to Boston local time to get Guangzhou local time. Or use the converter at the top of this page — it stays accurate through daylight-saving changes automatically.
Other conversions
- Boston to New York
- Boston to London
- Boston to Tokyo
- Boston to Dubai
- Boston to Singapore
- Boston to Los Angeles
- Boston to Sydney
- Boston to Paris
- Boston to Mumbai
- Boston to Hong Kong