Time Difference Between Koch'ang and New York
New York is 13 hours behind Koch'ang.
South Korea
Koch'ang
Asia/Seoul · UTC+9
United States
New York
America/New_York · UTC-4
Best Times to Meet
Hours where standard working time (9 AM – 6 PM) overlaps in both Koch'ang and New York.
Standard working hours don't overlap between Koch'ang and New York. Consider early-morning calls in Koch'ang or late-evening calls in New York.
Koch'ang to New York — 24-Hour Conversion
Each row shows the equivalent local time in New York for an hour in Koch'ang. Working-hours rows (9–18) are highlighted.
| Koch'ang | New York | Match |
|---|---|---|
| -1 day | Workday in New York | |
| -1 day | Workday in New York | |
| -1 day | Workday in New York | |
| -1 day | Workday in New York | |
| -1 day | Workday in New York | |
| -1 day | Workday in New York | |
| -1 day | Workday in New York | |
| -1 day | Off hours | |
| -1 day | Off hours | |
| -1 day | Workday in Koch'ang | |
| -1 day | Workday in Koch'ang | |
| -1 day | Workday in Koch'ang | |
| -1 day | Workday in Koch'ang | |
| Workday in Koch'ang | ||
| Workday in Koch'ang | ||
| Workday in Koch'ang | ||
| Workday in Koch'ang | ||
| Workday in Koch'ang | ||
| Off hours | ||
| Off hours | ||
| Off hours | ||
| Off hours | ||
| Workday in New York | ||
| Workday in New York |
Frequently Asked Questions
What is the time difference between Koch'ang and New York?
New York, United States (UTC-4) is 13 hours behind Koch'ang, South Korea (UTC+9).
What is the best time to schedule a meeting between Koch'ang and New York?
The best meeting times overlap when both cities are within standard working hours (9 AM – 6 PM). The full hour-by-hour table on this page lists every overlap window.
Does daylight saving time change the difference between Koch'ang and New York?
Yes — when one city observes daylight saving time and the other does not, the gap shifts by an hour. The conversion table on this page reflects the current offset, including any active DST.
When it is 9 AM in Koch'ang, what time is it in New York?
Use the conversion table on this page — every hour in Koch'ang is mapped to its equivalent local time in New York, including day shift markers when the date differs.