GMT
London
KST
Seoul
Convert GMT to KST
Greenwich Mean Time to Korea Standard Time — Seoul is 9 hours ahead of London
5:27 PM
Friday, March 27, 2026
UTC+0
2:27 AM
Saturday, March 28, 2026
UTC+9
Quick Facts
Time Difference
+9 hours
GMT Full Name
Greenwich Mean Time
KST Full Name
Korea Standard Time
GMT to KST Conversion Table
GMT (London)
KST (Seoul)
12:00 AM
9:00 AM
1:00 AM
10:00 AM
2:00 AM
11:00 AM
3:00 AM
12:00 PM
4:00 AM
1:00 PM
5:00 AM
2:00 PM
6:00 AM
3:00 PM
7:00 AM
4:00 PM
8:00 AM
5:00 PM
9:00 AM
6:00 PM
10:00 AM
7:00 PM
11:00 AM
8:00 PM
12:00 PM
9:00 PM
1:00 PM
10:00 PM
2:00 PM
11:00 PM
3:00 PM
12:00 AM(Mar 28)
4:00 PM
1:00 AM(Mar 28)
5:00 PM
2:00 AM(Mar 28)
6:00 PM
3:00 AM(Mar 28)
7:00 PM
4:00 AM(Mar 28)
8:00 PM
5:00 AM(Mar 28)
9:00 PM
6:00 AM(Mar 28)
10:00 PM
7:00 AM(Mar 28)
11:00 PM
8:00 AM(Mar 28)
Related Conversions
About GMT and KST Time Zones
GMT (Greenwich Mean Time) is UTC+0 and is the standard time zone for London. KST (Korea Standard Time) is UTC+9 and is the standard time zone for Seoul.
When it's 12:00 PM (noon) in London (GMT), it's 9:00 PM in Seoul (KST). The time difference between GMT and KST is 9 hours.
Use our world clock tool to compare London and Seoul with a visual timeline, or browse more timezone conversions.