Union City to Tokyo time converter

Tokyo is 16 hours ahead of Union City. When it is 9:00 AM in Union City, it is 1:00 AM (Tue, Oct 20) in Tokyo.

Union City PDT

Monday, October 19, 2026

Tokyo JST

Monday, October 19, 2026

Union City
California, United States
Mon, Oct 19
PDTUTC-7
Tokyo
Japan
Mon, Oct 19
JSTUTC+9+16h
Finding your time zone…
Shared working hours (9:00–18:00)

Union City to Tokyo conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 19, 2026 – Nov 1, 2026: +16h
  • Nov 1, 2026 – Mar 14, 2027: +17h
  • Mar 14, 2027 – Oct 19, 2027: +16h

Distance

Union City and Tokyo are 8,311 km (5,164 miles) apart in a straight line.

More conversions

Tokyo to Union CityUnion City to New YorkUnion City to LondonUnion 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 Bangkok
New York to TokyoLondon to TokyoLos Angeles to TokyoChicago to TokyoToronto to TokyoSão Paulo to TokyoParis to TokyoBerlin to TokyoMoscow to TokyoDubai to TokyoNew Delhi to TokyoBangkok to Tokyo

Questions and answers

What is the time difference between Union City and Tokyo?

Tokyo is 16 hours ahead of Union City.

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

When it is 9:00 AM in Union City, it is 1:00 AM (Tue, Oct 20) in Tokyo.

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

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

Does the time difference between Union City and Tokyo change?

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