Live • DST Aware
Convert Time BetweenKSTJSTReal-time Time Zone Converter
Convert between KST (Seoul) and JST (Tokyo) with live updates.
Time Gap
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KST
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JST
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Time Analysis
Real-time difference
⚡ Same
JST is 0 hours ahead of KST
Best for
JST AM
Avoid
KST PM
From
KST
CitySeoul
CountrySouth Korea
UTC OffsetUTC+9
Currently Night in KST
To
JST
CityTokyo
CountryJapan
UTC OffsetUTC+9
Currently Night in JST
24-Hour Time Comparison
24-Hour Time Comparison
UTC → KST → JST
KST is behind of JST
UTC
KST
JST
00:00
Mar 13
09:00
Mar 13
09:00
Mar 13
01:00
Mar 13
10:00
Mar 13
10:00
Mar 13
02:00
Mar 13
11:00
Mar 13
11:00
Mar 13
03:00
Mar 13
12:00
Mar 13
12:00
Mar 13
04:00
Mar 13
13:00
Mar 13
13:00
Mar 13
05:00
Mar 13
14:00
Mar 13
14:00
Mar 13
06:00
Mar 13
15:00
Mar 13
15:00
Mar 13
07:00
Mar 13
16:00
Mar 13
16:00
Mar 13
08:00
Mar 13
17:00
Mar 13
17:00
Mar 13
09:00
Mar 13
18:00
Mar 13
18:00
Mar 13
10:00
Mar 13
19:00
Mar 13
19:00
Mar 13
11:00
Mar 13
20:00
Mar 13
20:00
Mar 13
12:00
Mar 13
21:00
Mar 13
21:00
Mar 13
13:00
Mar 13
22:00
Mar 13
22:00
Mar 13
14:00
Mar 13
23:00
Mar 13
23:00
Mar 13
15:00
Mar 13
00:00
Mar 14
00:00
Mar 14
16:00
Mar 13
01:00
Mar 14
01:00
Mar 14
17:00
Mar 13
02:00
Mar 14
02:00
Mar 14
18:00
Mar 13
03:00
Mar 14
03:00
Mar 14
19:00
Mar 13
04:00
Mar 14
04:00
Mar 14
20:00
Mar 13
05:00
Mar 14
05:00
Mar 14
21:00
Mar 13
06:00
Mar 14
06:00
Mar 14
22:00
Mar 13
07:00
Mar 14
07:00
Mar 14
23:00
Mar 13
08:00
Mar 14
08:00
Mar 14
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Frequently Asked Questions
Everything you need to know about KST to JST time conversion
General Questions
JST is 0 minutes ahead of KST.
This means that right now, when it is 12:00 AM in KST, it is 12:00 AM in JST.
Conversely, when it is 12:00 AM in JST, it is 12:00 AM in KST.