KST to New York time conversion
New York is 13 hours behind KST. After the next clock change (): New York is 14 hours behind KST.
Time difference with your location
KST is 9 hours ahead of UTC. Compare with your local time →
Choose a date and time
Choose the local time in KST to convert it to New York on that date.
Skipped clock-change times are unavailable; a repeated time uses its first occurrence.
24-hour conversion chart · KST → New York
This table converts each hour in KST to New York on 2026-10-21.
- Working hours
- Outside working hours
- Night hours
| KST | New York | Shared working hours |
|---|---|---|
| 00:0012:00 AM | 11:0011:00 AM -1 day | |
| 01:001:00 AM | 12:0012:00 PM -1 day | |
| 02:002:00 AM | 13:001:00 PM -1 day | |
| 03:003:00 AM | 14:002:00 PM -1 day | |
| 04:004:00 AM | 15:003:00 PM -1 day | |
| 05:005:00 AM | 16:004:00 PM -1 day | |
| 06:006:00 AM | 17:005:00 PM -1 day | |
| 07:007:00 AM | 18:006:00 PM -1 day | |
| 08:008:00 AM | 19:007:00 PM -1 day | |
| 09:009:00 AM | 20:008:00 PM -1 day | |
| 10:0010:00 AM | 21:009:00 PM -1 day | |
| 11:0011:00 AM | 22:0010:00 PM -1 day | |
| 12:0012:00 PM | 23:0011:00 PM -1 day | |
| 13:001:00 PM | 00:0012:00 AM | |
| 14:002:00 PM | 01:001:00 AM | |
| 15:003:00 PM | 02:002:00 AM | |
| 16:004:00 PM | 03:003:00 AM | |
| 17:005:00 PM | 04:004:00 AM | |
| 18:006:00 PM | 05:005:00 AM | |
| 19:007:00 PM | 06:006:00 AM | |
| 20:008:00 PM | 07:007:00 AM | |
| 21:009:00 PM | 08:008:00 AM | |
| 22:0010:00 PM | 09:009:00 AM | |
| 23:0011:00 PM | 10:0010:00 AM |
Quick conversion examples
These examples use KST (UTC+9) and New York (UTC-4); choosing a date applies the local clock changes.
Conversion formula: New York = KST − 13h · KST − 14h.
| KST | New York |
|---|---|
| 6:00 AM KST | = 5:00 PM New York (-1 day) |
| 7:00 AM KST | = 6:00 PM New York (-1 day) |
| 8:00 AM KST | = 7:00 PM New York (-1 day) |
| 9:00 AM KST | = 8:00 PM New York (-1 day) |
| 10:00 AM KST | = 9:00 PM New York (-1 day) |
| 12:00 PM KST | = 11:00 PM New York (-1 day) |
| 3:00 PM KST | = 2:00 AM New York |
| 5:00 PM KST | = 4:00 AM New York |
| 6:00 PM KST | = 5:00 AM New York |
| 8:00 PM KST | = 7:00 AM New York |
Overlapping meeting hours
The 08:00–18:00 working days in KST and New York do not overlap on 2026-10-21.
Clock changes on both sides, 2026–2028
KST and New York have the following local clock changes in 2026–2028; all times in the table are local to that side.
| Year | KST | New York |
|---|---|---|
| 2026 | No clock changes; UTC+9 all year. | · 02:00 → 03:00 · 02:00 → 01:00 |
| 2027 | No clock changes; UTC+9 all year. | · 02:00 → 03:00 · 02:00 → 01:00 |
| 2028 | No clock changes; UTC+9 all year. | · 02:00 → 03:00 · 02:00 → 01:00 |
At the start of 2026, New York is 14 hours behind KST. The difference changes during the following periods.
- From 2026-03-08 16:00 KST until 2026-11-01 15:00 KST, New York is 13 hours behind KST.
- From 2027-03-14 16:00 KST until 2027-11-07 15:00 KST, New York is 13 hours behind KST.
- From 2028-03-12 16:00 KST until 2028-11-05 15:00 KST, New York is 13 hours behind KST.
Frequently asked questions
What time is 9 AM KST in New York?
9:00 AM KST = 8:00 PM New York (-1 day), using UTC+9 and UTC-4. Choose a date above for the seasonal local time.
Does the time difference between KST and New York change during the year?
Yes. During 2026–2028: New York is 14 hours behind KST; New York is 13 hours behind KST. The clock-change table gives the dates for both sides.
How do I tell whether it is day or night in New York?
Read the New York clock above: this guide counts 06:00–18:00 local time as daytime and the rest as nighttime, without using sunrise and sunset.
What is the best time to call between KST and New York?
The 08:00–18:00 working days in KST and New York do not overlap.
What is the time difference between KST and New York now?
Right now, New York is 13 hours behind KST. Conversion formula: New York = KST − 13h · KST − 14h.