KST to BST Time Converter
BST is 9 hours behind KST right now. 9:00 AM in KST is 12:00 AM in BST.
Time now: KST and BST
BST is 9 hours behind KST right now. The gap is not fixed: it is 9 hours at some times of the year and 8 hours at others, because at least one of them changes its clocks for daylight saving time.
KST to BST conversion table
Every hour of the day, using today's time difference.
| KST | BST |
|---|---|
| 12:00 AM | 3:00 PMprevious day |
| 1:00 AM | 4:00 PMprevious day |
| 2:00 AM | 5:00 PMprevious day |
| 3:00 AM | 6:00 PMprevious day |
| 4:00 AM | 7:00 PMprevious day |
| 5:00 AM | 8:00 PMprevious day |
| 6:00 AM | 9:00 PMprevious day |
| 7:00 AM | 10:00 PMprevious day |
| 8:00 AM | 11:00 PMprevious day |
| 9:00 AM | 12:00 AM |
| 10:00 AM | 1:00 AM |
| 11:00 AM | 2:00 AM |
| 12:00 PM | 3:00 AM |
| 1:00 PM | 4:00 AM |
| 2:00 PM | 5:00 AM |
| 3:00 PM | 6:00 AM |
| 4:00 PM | 7:00 AM |
| 5:00 PM | 8:00 AM |
| 6:00 PM | 9:00 AM |
| 7:00 PM | 10:00 AM |
| 8:00 PM | 11:00 AM |
| 9:00 PM | 12:00 PM |
| 10:00 PM | 1:00 PM |
| 11:00 PM | 2:00 PM |
Best time to meet between KST and BST
There is no overlap between 9 AM and 6 PM in both places.
If both sides can be flexible (7 AM – 10 PM):
- 4:00 PM – 10:00 PM KST = 7:00 AM – 1:00 PM BST
The time difference changes during the year because of daylight saving time, so these windows shift by an hour at other times.
Does the time difference between KST and BST change?
Yes. Right now BST is 9 hours behind KST. These are the dates in the next 12 months when the gap changes:
- Sunday, 28 March 2027: BST moves its clocks forward. BST is 8 hours behind KST from then (it was 9 hours before).
- Sunday, 31 October 2027: BST moves its clocks back. BST is 9 hours behind KST from then (it was 8 hours before).
Office hours in each other's time
- 9 AM to 6 PM in KST is 12:00 AM to 9:00 AM in BST.
- 9 AM to 6 PM in BST is 6:00 PM to 3:00 AM (next day) in KST.
Based on today's clock settings.
Frequently asked questions
What is the time difference between KST and BST?
BST is 9 hours behind KST right now. The gap is not fixed: it is 9 hours at some times of the year and 8 hours at others, because at least one of them changes its clocks for daylight saving time.
How do I convert KST to BST?
Subtract 9 hours from the KST time to get the BST time (at today's difference). 9:00 AM in KST is 12:00 AM in BST. Or use the converter above and pick any date and time.
What is the current time in BST?
It is 11:58 PM in BST on Monday, November 9 (the converter above shows it live). At the same moment it is 8:58 AM in KST.
Does the time difference between KST and BST change during the year?
Yes. Right now BST is 9 hours behind KST. Over the next 12 months the gap changes 2 times: Sunday, 28 March 2027: BST moves its clocks forward. BST is 8 hours behind KST from then (it was 9 hours before). Sunday, 31 October 2027: BST moves its clocks back. BST is 9 hours behind KST from then (it was 8 hours before).
What is the best time for a meeting between KST and BST?
The two places have no shared working hours (9 AM – 6 PM). The nearest option is 4:00 PM – 10:00 PM KST = 7:00 AM – 1:00 PM BST.
What does BST mean?
The UK uses GMT in winter and BST in summer.