Portsmouth to Tokyo time converter

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

Portsmouth BST

Wednesday, October 21, 2026

Tokyo JST

Wednesday, October 21, 2026

Portsmouth
United Kingdom
Wed, Oct 21
BSTUTC+1
Tokyo
Japan
Wed, Oct 21
JSTUTC+9+8h
Finding your time zone…
Shared working hours (9:00–18:00)

Portsmouth to Tokyo conversion table

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

PortsmouthTokyo
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 Portsmouth (5:00 PM – 6:00 PM in Tokyo).

Daylight saving time and the difference

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

  • Oct 21, 2026 – Oct 25, 2026: +8h
  • Oct 25, 2026 – Mar 28, 2027: +9h
  • Mar 28, 2027 – Oct 21, 2027: +8h

Distance

Portsmouth and Tokyo are 9,661 km (6,003 miles) apart in a straight line.

More conversions

Tokyo to PortsmouthPortsmouth to New YorkPortsmouth to LondonPortsmouth to Los AngelesPortsmouth to ChicagoPortsmouth to TorontoPortsmouth to São PauloPortsmouth to ParisPortsmouth to BerlinPortsmouth to MoscowPortsmouth to DubaiPortsmouth to New DelhiPortsmouth 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 Portsmouth and Tokyo?

Tokyo is 8 hours ahead of Portsmouth.

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

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

When is the best time to call Tokyo from Portsmouth?

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

Does the time difference between Portsmouth 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.