Istanbul to Union City time converter

Union City is 10 hours behind Istanbul. When it is 9:00 AM in Istanbul, it is 11:00 PM (Tue, Oct 20) in Union City.

Istanbul TRT

Wednesday, October 21, 2026

Union City PDT

Tuesday, October 20, 2026

Istanbul
Turkey
Wed, Oct 21
TRTUTC+3
Union City
California, United States
Tue, Oct 20
PDTUTC-7-10h
Finding your time zone…
Shared working hours (9:00–18:00)

Istanbul to Union City conversion table

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

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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 5:00 PM – 6:00 PM in Istanbul (7:00 AM – 8:00 AM 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 Istanbul and Union City switch clocks on different dates:

  • Oct 21, 2026 – Nov 1, 2026: -10h
  • Nov 1, 2026 – Mar 14, 2027: -11h
  • Mar 14, 2027 – Oct 21, 2027: -10h

Distance

Istanbul and Union City are 10,789 km (6,704 miles) apart in a straight line.

More conversions

Union City to IstanbulIstanbul to New YorkIstanbul to LondonIstanbul to Los AngelesIstanbul to ChicagoIstanbul to TorontoIstanbul to São PauloIstanbul to ParisIstanbul to BerlinIstanbul to MoscowIstanbul to DubaiIstanbul to New DelhiIstanbul 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 Istanbul and Union City?

Union City is 10 hours behind Istanbul.

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

When it is 9:00 AM in Istanbul, it is 11:00 PM (Tue, Oct 20) in Union City.

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

Working hours don't overlap fully. The closest fit is 5:00 PM – 6:00 PM in Istanbul (7:00 AM – 8:00 AM in Union City): working hours on one side, early or late on the other.

Does the time difference between Istanbul 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.