Best time to call New York from Seoul
There is no 9-to-5 overlap between these cities. Best compromise: 7 AM–11 AM in Seoul (6 PM–10 PM the previous day in New York), both sides are at least awake (7 AM–10 PM). New York is 13 hours behind Seoul. (as of July 2026, recalculated live in your browser.)
Live from your device clock via the IANA time-zone database built into your browser.
Hour-by-hour overlap
Both 9 AM–5 PM Both awake (7 AM–10 PM) One side asleep
| Seoul | New York | Call quality |
|---|---|---|
| 12 AM | 11 AM −1 day | Too early / too late |
| 1 AM | 12 PM −1 day | Too early / too late |
| 2 AM | 1 PM −1 day | Too early / too late |
| 3 AM | 2 PM −1 day | Too early / too late |
| 4 AM | 3 PM −1 day | Too early / too late |
| 5 AM | 4 PM −1 day | Too early / too late |
| 6 AM | 5 PM −1 day | Too early / too late |
| 7 AM | 6 PM −1 day | One side off-hours |
| 8 AM | 7 PM −1 day | One side off-hours |
| 9 AM | 8 PM −1 day | One side off-hours |
| 10 AM | 9 PM −1 day | One side off-hours |
| 11 AM | 10 PM −1 day | Too early / too late |
| 12 PM | 11 PM −1 day | Too early / too late |
| 1 PM | 12 AM | Too early / too late |
| 2 PM | 1 AM | Too early / too late |
| 3 PM | 2 AM | Too early / too late |
| 4 PM | 3 AM | Too early / too late |
| 5 PM | 4 AM | Too early / too late |
| 6 PM | 5 AM | Too early / too late |
| 7 PM | 6 AM | Too early / too late |
| 8 PM | 7 AM | One side off-hours |
| 9 PM | 8 AM | One side off-hours |
| 10 PM | 9 AM | Too early / too late |
| 11 PM | 10 AM | Too early / too late |
Grid prerendered July 2026 and recomputed in your browser on load, so daylight-saving switches are always reflected. New York observes daylight saving time but Seoul does not, so the time difference changes twice a year.
Frequently asked questions
How many hours ahead is New York of Seoul?
New York is 13 hours behind Seoul. (Checked July 2026; where daylight saving applies, the gap can shift by an hour part of the year, the page recalculates live.)
What time is 9 AM in Seoul in New York?
9 AM in Seoul is 8 PM the previous day in New York.
Do Seoul and New York change clocks for daylight saving?
New York observes daylight saving time but Seoul does not, so the time difference changes twice a year.
Which hours work for a call?
There is no 9-to-5 overlap between these cities. Best compromise: 7 AM–11 AM in Seoul (6 PM–10 PM the previous day in New York), both sides are at least awake (7 AM–10 PM).