Rock Springs to Tokyo time converter

Tokyo is 15 hours ahead of Rock Springs. When it is 9:00 AM in Rock Springs, it is 12:00 AM (Wed, Oct 21) in Tokyo.

Rock Springs MDT

Tuesday, October 20, 2026

Tokyo JST

Wednesday, October 21, 2026

Rock Springs
Wyoming, United States
Tue, Oct 20
MDTUTC-6
Tokyo
Japan
Wed, Oct 21
JSTUTC+9+15h
Finding your time zone…
Shared working hours (9:00–18:00)

Rock Springs to Tokyo conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

The difference changes during the year because Rock Springs and Tokyo 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

Rock Springs and Tokyo are 8,929 km (5,548 miles) apart in a straight line.

More conversions

Tokyo to Rock SpringsRock Springs to New YorkRock Springs to LondonRock Springs to Los AngelesRock Springs to ChicagoRock Springs to TorontoRock Springs to São PauloRock Springs to ParisRock Springs to BerlinRock Springs to MoscowRock Springs to DubaiRock Springs to New DelhiRock Springs 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 Rock Springs and Tokyo?

Tokyo is 15 hours ahead of Rock Springs.

What time is it in Tokyo when it is 9 AM in Rock Springs?

When it is 9:00 AM in Rock Springs, it is 12:00 AM (Wed, Oct 21) in Tokyo.

When is the best time to call Tokyo from Rock Springs?

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

Does the time difference between Rock Springs 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.