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Asia/Tokyo

Asia/Tokyo is the IANA time zone for Japan.

UTC+09:00

Tue, Sep 29 UTC+9 JST

Offsets and daylight saving time

Standard offset
UTC+09:00
Rule
No daylight saving time: UTC+9 all year.

No clock changes are scheduled in the next three years.

Names

Generic name
Japan Standard Time
Abbreviation
JST
Long name
Japan Standard Time
Aliases
Japan (old ids that resolve to Asia/Tokyo)

Use it in code

// JavaScript
new Intl.DateTimeFormat('en-US', { timeZone: 'Asia/Tokyo' })

# Python
from zoneinfo import ZoneInfo
ZoneInfo('Asia/Tokyo')

-- PostgreSQL
SELECT now() AT TIME ZONE 'Asia/Tokyo';

Cities in Asia/Tokyo

Also in this zone: Kawasaki, Chiba, Kitakyushu, Sakai, Niigata, Hamamatsu, Ōta.

Offset history since 1970

  • 1970–2026: UTC+9

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