KST to US Time Converter
EST is 14 hours behind KST. 9:00 AM KST = 7:00 PM EST (previous day).
EST is 14 hours behind KST at the moment. To convert KST to US Time, subtract 14 hours from the KST time: 9:00 AM KST = 7:00 PM EST (previous day).
KST (Korea Time) is used in South Korea. US Time (US time) is used in United States.
KST to US Time time conversion table
KST to US Time on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| KST | US Time | Day |
|---|---|---|
| 12:00 AM KST | 10:00 AM EST | previous day |
| 1:00 AM KST | 11:00 AM EST | previous day |
| 2:00 AM KST | 12:00 PM EST | previous day |
| 3:00 AM KST | 1:00 PM EST | previous day |
| 4:00 AM KST | 2:00 PM EST | previous day |
| 5:00 AM KST | 3:00 PM EST | previous day |
| 6:00 AM KST | 4:00 PM EST | previous day |
| 7:00 AM KST | 5:00 PM EST | previous day |
| 8:00 AM KST | 6:00 PM EST | previous day |
| 9:00 AM KST | 7:00 PM EST | previous day |
| 10:00 AM KST | 8:00 PM EST | previous day |
| 11:00 AM KST | 9:00 PM EST | previous day |
| 12:00 PM KST | 10:00 PM EST | previous day |
| 1:00 PM KST | 11:00 PM EST | previous day |
| 2:00 PM KST | 12:00 AM EST | night |
| 3:00 PM KST | 1:00 AM EST | night |
| 4:00 PM KST | 2:00 AM EST | night |
| 5:00 PM KST | 3:00 AM EST | night |
| 6:00 PM KST | 4:00 AM EST | night |
| 7:00 PM KST | 5:00 AM EST | night |
| 8:00 PM KST | 6:00 AM EST | — |
| 9:00 PM KST | 7:00 AM EST | — |
| 10:00 PM KST | 8:00 AM EST | — |
| 11:00 PM KST | 9:00 AM EST | — |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert KST to US Time
Subtract 14 hours from the KST time to get US Time.
Example: 9:00 AM KST = 7:00 PM EST (previous day).
Across midnight: 1:00 AM KST = 11:00 AM EST (previous day). The date changes, so always check the day as well as the hour.
Time difference between KST and US Time
The time difference between KST and US Time is not the same all year, because the two sides change for daylight saving time on different dates. In 2026 it works out like this:
- 1 Jan 2026 – 7 Mar 2026: US Time is 14 hours behind of KST.
- 8 Mar 2026 – 31 Oct 2026: US Time is 13 hours behind of KST.
- 1 Nov 2026 – 31 Dec 2026: US Time is 14 hours behind of KST.
KST and US Time during daylight saving time
- KST does not observe daylight saving time; it stays on UTC+9 all year.
- US Time next changes on 14 Mar 2027: clocks go forward one hour at 01:59 local time, from EST (UTC−5) to EDT (UTC−4).
Best time for a meeting between KST and US Time
KST and US Time have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM KST, which is 5:00 PM EST.
KST to US Time FAQ
What is the time difference between KST and US Time?
Right now EST is 14 hours behind KST. The gap changes 3 times in 2026 because the two sides switch to daylight saving time on different dates.
What is 9 AM KST in US Time?
9:00 AM KST is 7:00 PM EST (previous day).
What is 12 PM (noon) KST in US Time?
12:00 PM KST is 10:00 PM EST (previous day).
Is US Time ahead of or behind KST?
EST is 14 hours behind KST, so it is earlier in US Time 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 US Time change for daylight saving time?
Yes. US Time next changes on 14 Mar 2027, when clocks go forward one hour from EST to EDT.
What is the best time for a meeting between KST and US Time?
KST and US Time have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM KST, which is 5:00 PM EST.
Related conversions
Convert US Time to KST
Convert KST to other time zones
Convert other time zones to US Time
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.