Tokyo to Old Swan time converter

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

Tokyo JST

Tuesday, October 20, 2026

Old Swan BST

Monday, October 19, 2026

Tokyo
Japan
Tue, Oct 20
JSTUTC+9
Old Swan
United Kingdom
Mon, Oct 19
BSTUTC+1-8h
Finding your time zone…
Shared working hours (9:00–18:00)

Tokyo to Old Swan conversion table

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

TokyoOld Swan
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 Old Swan).

Daylight saving time and the difference

The difference changes during the year because Tokyo and Old Swan 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 Old Swan are 9,473 km (5,886 miles) apart in a straight line.

More conversions

Old Swan 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 Old SwanLondon to Old SwanLos Angeles to Old SwanChicago to Old SwanToronto to Old SwanSão Paulo to Old SwanParis to Old SwanBerlin to Old SwanMoscow to Old SwanDubai to Old SwanNew Delhi to Old SwanBangkok to Old Swan

Questions and answers

What is the time difference between Tokyo and Old Swan?

Old Swan is 8 hours behind Tokyo.

What time is it in Old Swan when it is 9 AM in Tokyo?

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

When is the best time to call Old Swan from Tokyo?

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

Does the time difference between Tokyo and Old Swan change?

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