Rathfarnham to Tokyo time converter

Tokyo is 8 hours ahead of Rathfarnham. When it is 9:00 AM in Rathfarnham, it is 5:00 PM in Tokyo.

Rathfarnham IST

Sunday, October 18, 2026

Tokyo JST

Monday, October 19, 2026

Rathfarnham
Ireland
Sun, Oct 18
ISTUTC+1
Tokyo
Japan
Mon, Oct 19
JSTUTC+9+8h
Finding your time zone…
Shared working hours (9:00–18:00)

Rathfarnham to Tokyo conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 18, 2026 – Oct 25, 2026: +8h
  • Oct 25, 2026 – Mar 28, 2027: +9h
  • Mar 28, 2027 – Oct 18, 2027: +8h

Distance

Rathfarnham and Tokyo are 9,590 km (5,959 miles) apart in a straight line.

More conversions

Tokyo to RathfarnhamRathfarnham to New YorkRathfarnham to LondonRathfarnham to Los AngelesRathfarnham to ChicagoRathfarnham to TorontoRathfarnham to São PauloRathfarnham to ParisRathfarnham to BerlinRathfarnham to MoscowRathfarnham to DubaiRathfarnham to New DelhiRathfarnham 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 Rathfarnham and Tokyo?

Tokyo is 8 hours ahead of Rathfarnham.

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

When it is 9:00 AM in Rathfarnham, it is 5:00 PM in Tokyo.

When is the best time to call Tokyo from Rathfarnham?

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

Does the time difference between Rathfarnham 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.