TimeToZone

JST to Seoul Time Converter

KST and JST are on the same time. 9:00 AM JST = 9:00 AM KST.

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JSTfrom
Japan Standard Time
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Seoul
Seoul, South Korea
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KST and JST are on the same time. Converting JST to Seoul Time leaves the clock unchanged: 9:00 AM JST = 9:00 AM KST.

JST (Japan Time) is used in Japan. Seoul Time (Seoul time) is used in Seoul, South Korea.

JST to Seoul Time time conversion table

JST to Seoul Time on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.

12 AM – 7 AM JST
JSTSeoul Time
12:00 AM12:00 AM
1:00 AM1:00 AM
2:00 AM2:00 AM
3:00 AM3:00 AM
4:00 AM4:00 AM
5:00 AM5:00 AM
6:00 AM6:00 AM
7:00 AM7:00 AM
8 AM – 3 PM JST
JSTSeoul Time
8:00 AM8:00 AM
9:00 AM9:00 AM
10:00 AM10:00 AM
11:00 AM11:00 AM
12:00 PM12:00 PM
1:00 PM1:00 PM
2:00 PM2:00 PM
3:00 PM3:00 PM
4 PM – 11 PM JST
JSTSeoul Time
4:00 PM4:00 PM
5:00 PM5:00 PM
6:00 PM6:00 PM
7:00 PM7:00 PM
8:00 PM8:00 PM
9:00 PM9:00 PM
10:00 PM10:00 PM
11:00 PM11:00 PM

Conversion table from JST to Seoul Time for 7 Nov 2026. A tick marks hours that fall between 9 AM and 5 PM in both places. +1 means the next day in Seoul Time, −1 the previous day.

  • ✓ marks 9 AM–5 PM in both places
  • Greyed times are night in the destination (10 PM–6 AM)

How to convert JST to Seoul Time

JST and Seoul Time show the same clock time, so no adjustment is needed.

Example: 9:00 AM JST = 9:00 AM KST.

Time difference between JST and Seoul Time

The time difference between JST and Seoul Time is 0 minutes all year.

JST and Seoul Time during daylight saving time

  • JST does not observe daylight saving time; it stays on UTC+9 all year.
  • Seoul Time does not observe daylight saving time; it stays on UTC+9 all year.

Best time for a meeting between JST and Seoul Time

JST and Seoul Time share 8 hours of the 9 AM–5 PM working day. Any time between 9:00 AM and 5:00 PM JST lands between 9:00 AM and 5:00 PM KST, inside working hours for both.

Plan a meeting across more time zones.

JST to Seoul Time FAQ

What is the time difference between JST and Seoul Time?

KST and JST are on the same time all year. 9:00 AM JST = 9:00 AM KST.

What is 9 AM JST in Seoul Time?

9:00 AM JST is 9:00 AM KST.

What is 12 PM (noon) JST in Seoul Time?

12:00 PM JST is 12:00 PM KST.

Is Seoul Time ahead of or behind JST?

Neither. KST and JST keep the same clock time.

Does JST change for daylight saving time?

No. JST stays on the same offset all year, so conversions never shift for daylight saving time.

Does Seoul Time change for daylight saving time?

No. Seoul Time stays on the same offset all year, so conversions never shift for daylight saving time.

What is the best time for a meeting between JST and Seoul Time?

JST and Seoul Time share 8 hours of the 9 AM–5 PM working day. Any time between 9:00 AM and 5:00 PM JST lands between 9:00 AM and 5:00 PM KST, inside working hours for both.

Related conversions

Convert Seoul Time to JST

Seoul Time to JST

Convert JST to other time zones

JST to ESTJST to Abbotsford TimeJST to Abidjan TimeJST to Abu Dhabi TimeJST to Adelaide TimeJST to AESTJST to Agra TimeJST to Ahmedabad TimeJST to Brisbane TimeJST to Bristol TimeJST to BRTJST to BST

Convert other time zones to Seoul Time

AEST to Seoul TimeBST to Seoul TimeCET to Seoul TimeCST to Seoul TimeEST to Seoul TimeGMT to Seoul TimeIST to Seoul TimeMST to Seoul TimePST to Seoul TimeSGT to Seoul TimeUTC to Seoul Time

Learn more

JST time zoneCurrent time in Seoul

Updated 7 November 2026. Time zone data: IANA tz database.