Tokyo to Harpenden time converter

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

Tokyo JST

Monday, October 19, 2026

Harpenden BST

Monday, October 19, 2026

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

Tokyo to Harpenden conversion table

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

TokyoHarpenden
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 Harpenden).

Daylight saving time and the difference

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

  • Oct 19, 2026 – Oct 25, 2026: -8h
  • Oct 25, 2026 – Mar 28, 2027: -9h
  • Mar 28, 2027 – Oct 19, 2027: -8h

Distance

Tokyo and Harpenden are 9,538 km (5,927 miles) apart in a straight line.

More conversions

Harpenden 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 HarpendenLondon to HarpendenLos Angeles to HarpendenChicago to HarpendenToronto to HarpendenSão Paulo to HarpendenParis to HarpendenBerlin to HarpendenMoscow to HarpendenDubai to HarpendenNew Delhi to HarpendenBangkok to Harpenden

Questions and answers

What is the time difference between Tokyo and Harpenden?

Harpenden is 8 hours behind Tokyo.

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

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

When is the best time to call Harpenden from Tokyo?

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

Does the time difference between Tokyo and Harpenden change?

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