Shanghai to Union City time converter

Union City is 15 hours behind Shanghai. When it is 9:00 AM in Shanghai, it is 6:00 PM (Mon, Oct 19) in Union City.

Shanghai CST

Tuesday, October 20, 2026

Union City PDT

Monday, October 19, 2026

Shanghai
China
Tue, Oct 20
CSTUTC+8
Union City
California, United States
Mon, Oct 19
PDTUTC-7-15h
Finding your time zone…
Shared working hours (9:00–18:00)

Shanghai to Union City conversion table

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

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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 7:00 AM – 9:00 AM in Shanghai (4:00 PM – 6:00 PM in Union City): 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 Union City switch clocks on different dates:

  • Oct 20, 2026 – Nov 1, 2026: -15h
  • Nov 1, 2026 – Mar 14, 2027: -16h
  • Mar 14, 2027 – Oct 20, 2027: -15h

Distance

Shanghai and Union City are 9,920 km (6,164 miles) apart in a straight line.

More conversions

Union City 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 Union CityLondon to Union CityLos Angeles to Union CityChicago to Union CityToronto to Union CitySão Paulo to Union CityParis to Union CityBerlin to Union CityMoscow to Union CityDubai to Union CityNew Delhi to Union CityBangkok to Union City

Questions and answers

What is the time difference between Shanghai and Union City?

Union City is 15 hours behind Shanghai.

What time is it in Union City when it is 9 AM in Shanghai?

When it is 9:00 AM in Shanghai, it is 6:00 PM (Mon, Oct 19) in Union City.

When is the best time to call Union City from Shanghai?

Working hours don't overlap fully. The closest fit is 7:00 AM – 9:00 AM in Shanghai (4:00 PM – 6:00 PM in Union City): working hours on one side, early or late on the other.

Does the time difference between Shanghai and Union City change?

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