Current JST time

JSTUTC+9No daylight saving time

Japan Standard Time

JST means Japan Standard Time. It is fixed at UTC+9 and does not change for daylight saving time.

Zone
JST
UTC offset
UTC+9
DST
No
Next change
None
Countries
4
Representative IANA zones
1
09:00 in UTC
00:00

These IANA zones keep UTC+9 under the current tzdb rules; historical offsets may differ.

Time difference with your location

Japan Standard Time is 9 hours ahead of UTC. Compare with your local time →

Where this time is used

Cities in 4 countries keep UTC+9 throughout 2026. Sharing an offset does not necessarily mean using the same abbreviation.

CountryStates / provincesCities
Japan—1217
South Korea—4
CountryStates / provincesCities
Indonesia—3
North Korea—1

Countries and cities in this time zone · JST

12 representative cities below currently show UTC+9.

LocationLocal timeUTC offset
TokyoJapan UTC+9
SeoulSouth Korea UTC+9
JayapuraIndonesia UTC+9
PyongyangNorth Korea UTC+9
YokohamaJapan UTC+9
OsakaJapan UTC+9
LocationLocal timeUTC offset
NagoyaJapan UTC+9
SapporoJapan UTC+9
FukuokaJapan UTC+9
KawasakiJapan UTC+9
KobeJapan UTC+9
KyotoJapan UTC+9

Other zones with the same UTC offset

3 other time zones share UTC+9 with JST right now. Regional zones may leave this offset when their clocks change.

Quick conversions · JST

JST = UTC+9, so 09:00 JST = 00:00 UTC (on the corresponding UTC day). These 40 zones show the equivalent of 09:00 JST using today's offsets.

Time zoneUTC · difference09:00 JST =
JST to UTCCoordinated Universal Time UTC+0−9h 00:00
JST to ESTEastern Standard Time UTC-5−14h 19:00
JST to ISTIndia Standard Time UTC+5:30−3h30m 05:30
JST to PSTPacific Standard Time UTC-8−17h 16:00
JST to GMTGreenwich Mean Time UTC+0−9h 00:00
JST to CSTCentral Standard Time UTC-6−15h 18:00
JST to MSTMountain Standard Time UTC-7−16h 17:00
JST to CETCentral European Time UTC+1−8h 01:00
JST to AESTAustralian Eastern Standard Time UTC+10+1h 10:00
JST to ICTIndochina Time UTC+7−2h 07:00
JST to KSTKorea Standard Time UTC+9same time 09:00
JST to SGTSingapore Time UTC+8−1h 08:00
JST to HKTHong Kong Time UTC+8−1h 08:00
JST to BSTBritish Summer Time UTC+1−8h 01:00
JST to EDTEastern Daylight Time UTC-4−13h 20:00
JST to PDTPacific Daylight Time UTC-7−16h 17:00
JST to CDTCentral Daylight Time UTC-5−14h 19:00
JST to ACDTAustralian Central Daylight Time UTC+10:30+1h30m 10:30
JST to ACSTAustralian Central Standard Time UTC+9:30+30m 09:30
JST to ADTAtlantic Daylight Time UTC-3−12h 21:00
Time zoneUTC · difference09:00 JST =
JST to AEDTAustralian Eastern Daylight Time UTC+11+2h 11:00
JST to AFSTAfghanistan Time UTC+4:30−4h30m 04:30
JST to AKDTAlaska Daylight Time UTC-8−17h 16:00
JST to AKSTAlaska Standard Time UTC-9−18h 15:00
JST to ALMTAlmaty Time UTC+5−4h 05:00
JST to AOEAnywhere on Earth UTC-12−21h 12:00
JST to AST-ARABIAArabia Standard Time UTC+3−6h 03:00
JST to ARTArgentina Time UTC-3−12h 21:00
JST to ASTAtlantic Standard Time UTC-4−13h 20:00
JST to AWSTAustralian Western Standard Time UTC+8−1h 08:00
JST to BDTBangladesh Time UTC+6−3h 06:00
JST to BRTBrasília Time UTC-3−12h 21:00
JST to CATCentral Africa Time UTC+2−7h 02:00
JST to CTCentral Time UTC-5−14h 19:00
JST to CESTCentral European Summer Time UTC+2−7h 02:00
JST to CHADTChatham Daylight Time UTC+13:45+4h45m 13:45
JST to CHASTChatham Standard Time UTC+12:45+3h45m 12:45
JST to CST-CHINAChina Standard Time UTC+8−1h 08:00
JST to CHSTChamorro Standard Time UTC+10+1h 10:00
JST to CLTChile Time UTC-4−13h 20:00

Popular conversions

Frequently asked questions

What is JST?

JST means Japan Standard Time. It is fixed at UTC+9 and does not change for daylight saving time.

Where is JST's UTC offset used?

UTC+9 is used all year in Japan, South Korea, Indonesia, and North Korea. 4 countries in our data have cities at this offset; local abbreviations can differ.

JST vs UTC: what is the difference?

JST = UTC+9, so 09:00 JST = 00:00 UTC (on the corresponding UTC day).

Does JST have daylight saving time?

No. JST always means UTC+9. A region may switch to a different abbreviation, but this fixed label does not change its offset.