Roy to Tokyo time converter

Tokyo is 15 hours ahead of Roy. When it is 9:00 AM in Roy, it is 12:00 AM (Sat, Oct 17) in Tokyo.

Roy MDT

Friday, October 16, 2026

Tokyo JST

Saturday, October 17, 2026

Roy
Utah, United States
Fri, Oct 16
MDTUTC-6
Tokyo
Japan
Sat, Oct 17
JSTUTC+9+15h
Finding your time zone…
Shared working hours (9:00–18:00)

Roy to Tokyo conversion table

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

RoyTokyo
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 Roy (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 Roy and Tokyo switch clocks on different dates:

  • Oct 16, 2026 – Nov 1, 2026: +15h
  • Nov 1, 2026 – Mar 14, 2027: +16h
  • Mar 14, 2027 – Oct 16, 2027: +15h

Distance

Roy and Tokyo are 8,776 km (5,453 miles) apart in a straight line.

More conversions

Tokyo to RoyRoy to New YorkRoy to LondonRoy to Los AngelesRoy to ChicagoRoy to TorontoRoy to São PauloRoy to ParisRoy to BerlinRoy to MoscowRoy to DubaiRoy to New DelhiRoy 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 Roy and Tokyo?

Tokyo is 15 hours ahead of Roy.

What time is it in Tokyo when it is 9 AM in Roy?

When it is 9:00 AM in Roy, it is 12:00 AM (Sat, Oct 17) in Tokyo.

When is the best time to call Tokyo from Roy?

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

Does the time difference between Roy 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.