Live • DST Aware
Convert Time BetweenJSTKSTReal-time Time Zone Converter
Convert between JST (Tokyo) and KST (Seoul) with live updates.
Time Gap
Same Time ZoneInteractive Time Converter
Live updates • DST aware
JST
--:--:--
Loading...
KST
--:--:--
Loading...
Time Analysis
Real-time difference
⚡ Same
KST is 0 hours ahead of JST
Best for
KST AM
Avoid
JST PM
From
JST
CityTokyo
CountryJapan
UTC OffsetUTC+9
Currently Night in JST
To
KST
CitySeoul
CountrySouth Korea
UTC OffsetUTC+9
Currently Night in KST
24-Hour Time Comparison
24-Hour Time Comparison
UTC → JST → KST
JST is behind of KST
UTC
JST
KST
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
Current hour in UTC
(next day)
(prev day)
Popular Time Zone Pairs
Most frequently converted combinations
?
Frequently Asked Questions
Everything you need to know about JST to KST time conversion
General Questions
KST is 0 minutes ahead of JST.
This means that right now, when it is 12:00 AM in JST, it is 12:00 AM in KST.
Conversely, when it is 12:00 AM in KST, it is 12:00 AM in JST.