Shanghai to Waltham time converter

Waltham is 12 hours behind Shanghai. When it is 9:00 AM in Shanghai, it is 9:00 PM (Sun, Oct 18) in Waltham.

Shanghai CST

Monday, October 19, 2026

Waltham EDT

Monday, October 19, 2026

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

Shanghai to Waltham conversion table

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

ShanghaiWaltham
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 Waltham): 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 Waltham switch clocks on different dates:

  • Oct 19, 2026 – Nov 1, 2026: -12h
  • Nov 1, 2026 – Mar 14, 2027: -13h
  • Mar 14, 2027 – Oct 19, 2027: -12h

Distance

Shanghai and Waltham are 11,729 km (7,288 miles) apart in a straight line.

More conversions

Waltham 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 WalthamLondon to WalthamLos Angeles to WalthamChicago to WalthamToronto to WalthamSão Paulo to WalthamParis to WalthamBerlin to WalthamMoscow to WalthamDubai to WalthamNew Delhi to WalthamBangkok to Waltham

Questions and answers

What is the time difference between Shanghai and Waltham?

Waltham is 12 hours behind Shanghai.

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

When it is 9:00 AM in Shanghai, it is 9:00 PM (Sun, Oct 18) in Waltham.

When is the best time to call Waltham 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 Waltham): working hours on one side, early or late on the other.

Does the time difference between Shanghai and Waltham change?

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