San Ramon to Tokyo time converter

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

San Ramon PDT

Monday, October 19, 2026

Tokyo JST

Tuesday, October 20, 2026

San Ramon
California, United States
Mon, Oct 19
PDTUTC-7
Tokyo
Japan
Tue, Oct 20
JSTUTC+9+16h
Finding your time zone…
Shared working hours (9:00–18:00)

San Ramon to Tokyo conversion table

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

San RamonTokyo
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 San Ramon (9:00 AM – 10:00 AM in Tokyo).

Daylight saving time and the difference

The difference changes during the year because San Ramon 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

San Ramon and Tokyo are 8,303 km (5,159 miles) apart in a straight line.

More conversions

Tokyo to San RamonSan Ramon to New YorkSan Ramon to LondonSan Ramon to Los AngelesSan Ramon to ChicagoSan Ramon to TorontoSan Ramon to São PauloSan Ramon to ParisSan Ramon to BerlinSan Ramon to MoscowSan Ramon to DubaiSan Ramon to New DelhiSan Ramon 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 San Ramon and Tokyo?

Tokyo is 16 hours ahead of San Ramon.

What time is it in Tokyo when it is 9 AM in San Ramon?

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

When is the best time to call Tokyo from San Ramon?

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

Does the time difference between San Ramon 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.