Union City to London time converter

London is 8 hours ahead of Union City. When it is 9:00 AM in Union City, it is 5:00 PM in London.

Union City PDT

Tuesday, October 20, 2026

London BST

Tuesday, October 20, 2026

Union City
California, United States
Tue, Oct 20
PDTUTC-7
London
United Kingdom
Tue, Oct 20
BSTUTC+1+8h
Finding your time zone…
Shared working hours (9:00–18:00)

Union City to London conversion table

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

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

Best time to call or meet

Both sides are at work from 9:00 AM – 10:00 AM in Union City (5:00 PM – 6:00 PM in London).

Daylight saving time and the difference

The difference changes during the year because Union City and London switch clocks on different dates:

  • Oct 20, 2026 – Oct 24, 2026: +8h
  • Oct 24, 2026 – Nov 1, 2026: +7h
  • Nov 1, 2026 – Mar 14, 2027: +8h
  • Mar 14, 2027 – Mar 27, 2027: +7h
  • Mar 27, 2027 – Oct 20, 2027: +8h

Distance

Union City and London are 8,614 km (5,352 miles) apart in a straight line.

More conversions

London to Union CityUnion City to New YorkUnion City to Los AngelesUnion City to ChicagoUnion City to TorontoUnion City to São PauloUnion City to ParisUnion City to BerlinUnion City to MoscowUnion City to DubaiUnion City to New DelhiUnion City to BangkokUnion City to Singapore
New York to LondonLos Angeles to LondonChicago to LondonToronto to LondonSão Paulo to LondonParis to LondonBerlin to LondonMoscow to LondonDubai to LondonNew Delhi to LondonBangkok to LondonSingapore to London

Questions and answers

What is the time difference between Union City and London?

London is 8 hours ahead of Union City.

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

When it is 9:00 AM in Union City, it is 5:00 PM in London.

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

Both sides are at work from 9:00 AM – 10:00 AM in Union City (5:00 PM – 6:00 PM in London).

Does the time difference between Union City and London change?

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