Tokyo to Greystones time converter

Greystones is 8 hours behind Tokyo. When it is 9:00 AM in Tokyo, it is 1:00 AM in Greystones.

Tokyo JST

Tuesday, October 20, 2026

Greystones IST

Tuesday, October 20, 2026

Tokyo
Japan
Tue, Oct 20
JSTUTC+9
Greystones
Ireland
Tue, Oct 20
ISTUTC+1-8h
Finding your time zone…
Shared working hours (9:00–18:00)

Tokyo to Greystones conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 20, 2026 – Oct 25, 2026: -8h
  • Oct 25, 2026 – Mar 28, 2027: -9h
  • Mar 28, 2027 – Oct 20, 2027: -8h

Distance

Tokyo and Greystones are 9,599 km (5,965 miles) apart in a straight line.

More conversions

Greystones to TokyoTokyo to New YorkTokyo to LondonTokyo to Los AngelesTokyo to ChicagoTokyo to TorontoTokyo to São PauloTokyo to ParisTokyo to BerlinTokyo to MoscowTokyo to DubaiTokyo to New DelhiTokyo to Bangkok
New York to GreystonesLondon to GreystonesLos Angeles to GreystonesChicago to GreystonesToronto to GreystonesSão Paulo to GreystonesParis to GreystonesBerlin to GreystonesMoscow to GreystonesDubai to GreystonesNew Delhi to GreystonesBangkok to Greystones

Questions and answers

What is the time difference between Tokyo and Greystones?

Greystones is 8 hours behind Tokyo.

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

When it is 9:00 AM in Tokyo, it is 1:00 AM in Greystones.

When is the best time to call Greystones from Tokyo?

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

Does the time difference between Tokyo and Greystones change?

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