KST to GST Converter
GST is 5 hours behind KST. 9:00 AM KST = 4:00 AM GST.
GST is 5 hours behind KST. To convert KST to GST, subtract 5 hours from the KST time: 9:00 AM KST = 4:00 AM GST.
KST (Korea Time) is used in South Korea. GST (Gulf Time) is used in United Arab Emirates and Oman.
KST to GST time conversion table
KST to GST on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| KST | GST | Day |
|---|---|---|
| 12:00 AM KST | 7:00 PM GST | previous day |
| 1:00 AM KST | 8:00 PM GST | previous day |
| 2:00 AM KST | 9:00 PM GST | previous day |
| 3:00 AM KST | 10:00 PM GST | previous day |
| 4:00 AM KST | 11:00 PM GST | previous day |
| 5:00 AM KST | 12:00 AM GST | night |
| 6:00 AM KST | 1:00 AM GST | night |
| 7:00 AM KST | 2:00 AM GST | night |
| 8:00 AM KST | 3:00 AM GST | night |
| 9:00 AM KST | 4:00 AM GST | night |
| 10:00 AM KST | 5:00 AM GST | night |
| 11:00 AM KST | 6:00 AM GST | — |
| 12:00 PM KST | 7:00 AM GST | — |
| 1:00 PM KST | 8:00 AM GST | — |
| 2:00 PM KST | 9:00 AM GST | work hours |
| 3:00 PM KST | 10:00 AM GST | work hours |
| 4:00 PM KST | 11:00 AM GST | work hours |
| 5:00 PM KST | 12:00 PM GST | — |
| 6:00 PM KST | 1:00 PM GST | — |
| 7:00 PM KST | 2:00 PM GST | — |
| 8:00 PM KST | 3:00 PM GST | — |
| 9:00 PM KST | 4:00 PM GST | — |
| 10:00 PM KST | 5:00 PM GST | — |
| 11:00 PM KST | 6:00 PM GST | — |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert KST to GST
Subtract 5 hours from the KST time to get GST.
Example: 9:00 AM KST = 4:00 AM GST.
Across midnight: 1:00 AM KST = 8:00 PM GST (previous day). The date changes, so always check the day as well as the hour.
Time difference between KST and GST
The time difference between KST and GST is 5 hours all year – GST is behind KST.
KST and GST during daylight saving time
- KST does not observe daylight saving time; it stays on UTC+9 all year.
- GST does not observe daylight saving time; it stays on UTC+4 all year.
Best time for a meeting between KST and GST
KST and GST share 3 hours of the 9 AM–5 PM working day. Any time between 2:00 PM and 5:00 PM KST lands between 9:00 AM and 12:00 PM GST, inside working hours for both.
KST to GST FAQ
What is the time difference between KST and GST?
GST is 5 hours behind KST all year. 9:00 AM KST = 4:00 AM GST.
What is 9 AM KST in GST?
9:00 AM KST is 4:00 AM GST.
What is 12 PM (noon) KST in GST?
12:00 PM KST is 7:00 AM GST.
Is GST ahead of or behind KST?
GST is 5 hours behind KST, so it is earlier in GST than in KST.
Does KST change for daylight saving time?
No. KST stays on the same offset all year, so conversions never shift for daylight saving time.
Does GST change for daylight saving time?
No. GST stays on the same offset all year, so conversions never shift for daylight saving time.
What is the best time for a meeting between KST and GST?
KST and GST share 3 hours of the 9 AM–5 PM working day. Any time between 2:00 PM and 5:00 PM KST lands between 9:00 AM and 12:00 PM GST, inside working hours for both.
Related conversions
Convert GST to KST
Convert KST to other time zones
Convert other time zones to GST
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.