Shanghai to Dorchester time converter

Dorchester is 12 hours behind Shanghai. When it is 9:00 AM in Shanghai, it is 9:00 PM (Mon, Oct 19) in Dorchester.

Shanghai CST

Tuesday, October 20, 2026

Dorchester EDT

Monday, October 19, 2026

Shanghai
China
Tue, Oct 20
CSTUTC+8
Dorchester
Massachusetts, United States
Mon, Oct 19
EDTUTC-4-12h
Finding your time zone…
Shared working hours (9:00–18:00)

Shanghai to Dorchester conversion table

Every hour of today in Shanghai and the matching time in Dorchester. Light rows are typical working hours (9:00–18:00).

ShanghaiDorchester
12:00 AM12:00 PM−1 day
1:00 AM1:00 PM−1 day
2:00 AM2:00 PM−1 day
3:00 AM3:00 PM−1 day
4:00 AM4:00 PM−1 day
5:00 AM5:00 PM−1 day
6:00 AM6:00 PM−1 day
7:00 AM7:00 PM−1 day
8:00 AM8:00 PM−1 day
9:00 AM9:00 PM−1 day
10:00 AM10:00 PM−1 day
11:00 AM11:00 PM−1 day
12:00 PM12:00 AM
1:00 PM1:00 AM
2:00 PM2:00 AM
3:00 PM3:00 AM
4:00 PM4:00 AM
5:00 PM5:00 AM
6:00 PM6:00 AM
7:00 PM7:00 AM
8:00 PM8:00 AM
9:00 PM9:00 AM
10:00 PM10:00 AM
11:00 PM11:00 AM

Best time to call or meet

Working hours don't overlap fully. The closest fit is 9:00 AM – 10:00 AM in Shanghai (9:00 PM – 10:00 PM in Dorchester): working hours on one side, early or late on the other.

Daylight saving time and the difference

The difference changes during the year because Shanghai and Dorchester switch clocks on different dates:

  • Oct 20, 2026 – Nov 1, 2026: -12h
  • Nov 1, 2026 – Mar 14, 2027: -13h
  • Mar 14, 2027 – Oct 20, 2027: -12h

Distance

Shanghai and Dorchester are 11,740 km (7,295 miles) apart in a straight line.

More conversions

Dorchester to ShanghaiShanghai to New YorkShanghai to LondonShanghai to Los AngelesShanghai to ChicagoShanghai to TorontoShanghai to São PauloShanghai to ParisShanghai to BerlinShanghai to MoscowShanghai to DubaiShanghai to New DelhiShanghai to Bangkok
New York to DorchesterLondon to DorchesterLos Angeles to DorchesterChicago to DorchesterToronto to DorchesterSão Paulo to DorchesterParis to DorchesterBerlin to DorchesterMoscow to DorchesterDubai to DorchesterNew Delhi to DorchesterBangkok to Dorchester

Questions and answers

What is the time difference between Shanghai and Dorchester?

Dorchester is 12 hours behind Shanghai.

What time is it in Dorchester when it is 9 AM in Shanghai?

When it is 9:00 AM in Shanghai, it is 9:00 PM (Mon, Oct 19) in Dorchester.

When is the best time to call Dorchester from Shanghai?

Working hours don't overlap fully. The closest fit is 9:00 AM – 10:00 AM in Shanghai (9:00 PM – 10:00 PM in Dorchester): working hours on one side, early or late on the other.

Does the time difference between Shanghai and Dorchester change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.