Time difference
Boston to Shanghai Time Difference
Shanghai is 12 hours ahead of Boston — when it's 12:00 PM in Boston, it's 12:00 AM the next day in Shanghai. (Boston (America/New_York, EDT); Shanghai (Asia/Shanghai, CST).) Below: live local times, the best hours for a call, a full conversion table, and exact daylight-saving dates.
Shanghai is 12 hours ahead of Boston. Standard 9 AM–5 PM business hours in Boston and Shanghai 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 Shanghai — 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 Shanghai.
- When it's 9:00 AM in Shanghai, it's 9:00 PM the previous day in Boston.
Shanghai is currently 12 hours ahead of Boston.
Interactive converter
12:00PM
--:----
Best times to meet
Standard 9 AM – 5 PM hours in Boston and Shanghai 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 Shanghai.
Quick conversion table
| Boston | Shanghai |
|---|---|
| 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, Shanghai 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.
- Shanghai does not observe daylight saving time.
Frequently asked questions
- Is Shanghai ahead of or behind Boston?
- Shanghai is 12 hours ahead of Boston.
- How many hours ahead of Boston is Shanghai?
- Shanghai is 12 hours ahead of Boston.
- What time is 9 AM in Boston in Shanghai?
- 9:00 AM in Boston is 9:00 PM in Shanghai.
- What time is noon in Boston in Shanghai?
- 12:00 PM in Boston is 12:00 AM the next day in Shanghai.
- What time is 5 PM in Boston in Shanghai?
- 5:00 PM in Boston is 5:00 AM the next day in Shanghai. Useful for end-of-day handoffs between the two offices.
- What time is 3 PM in Boston in Shanghai?
- 3:00 PM in Boston is 3:00 AM the next day in Shanghai.
- Is Boston currently observing daylight saving time?
- Boston is currently observing daylight saving time (summer time).
- Is Shanghai currently observing daylight saving time?
- Shanghai does not observe daylight saving time — its UTC offset stays the same all year.
- Do Boston and Shanghai observe daylight saving?
- On November 1, 2026, Boston shifts for daylight saving. After that, Shanghai 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 Shanghai from Boston?
- Boston and Shanghai 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 Shanghai?
- Shanghai and Boston business hours don't overlap. The closest options are early mornings in Shanghai or late evenings, when one side stretches outside 9–5.
- Boston (EDT) to Shanghai (CST) — how do I convert quickly?
- Add 12 hours to Boston local time to get Shanghai 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