Shanghai to Commack time converter

Commack is 12 hours behind Shanghai. When it is 9:00 AM in Shanghai, it is 9:00 PM (Sat, Oct 17) in Commack.

Shanghai CST

Sunday, October 18, 2026

Commack EDT

Saturday, October 17, 2026

Shanghai
China
Sun, Oct 18
CSTUTC+8
Commack
New York, United States
Sat, Oct 17
EDTUTC-4-12h
Finding your time zone…
Shared working hours (9:00–18:00)

Shanghai to Commack conversion table

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

ShanghaiCommack
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 Commack): 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 Commack switch clocks on different dates:

  • Oct 18, 2026 – Nov 1, 2026: -12h
  • Nov 1, 2026 – Mar 14, 2027: -13h
  • Mar 14, 2027 – Oct 18, 2027: -12h

Distance

Shanghai and Commack are 11,860 km (7,369 miles) apart in a straight line.

More conversions

Commack 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 CommackLondon to CommackLos Angeles to CommackChicago to CommackToronto to CommackSão Paulo to CommackParis to CommackBerlin to CommackMoscow to CommackDubai to CommackNew Delhi to CommackBangkok to Commack

Questions and answers

What is the time difference between Shanghai and Commack?

Commack is 12 hours behind Shanghai.

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

When it is 9:00 AM in Shanghai, it is 9:00 PM (Sat, Oct 17) in Commack.

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

Does the time difference between Shanghai and Commack change?

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