New York is 13 hours behind Cheonan. Cheonan is UTC+9. New York is UTC-4.
Cheonan on 15 October 2026: sunrise 06:38, sunset 17:55, day length 11 h 17 min.
New York on 15 October 2026: sunrise 07:07, sunset 18:15, day length 11 h 8 min.
For Cheonan and New York: Cheonan has no clock change scheduled in the next year. The last year with a seasonal offset change was 1988. The offset now is UTC+9.
For New York and Cheonan: The next clock change in New York is 1 hour back on 1 November 2026 at 02:00, from UTC-4 to UTC-5.
| Change |
|---|
| The gap changes on 1 November 2026 at 02:00, when clocks in New York move back 1 hour. |
| The gap changes on 14 March 2027 at 02:00, when clocks in New York move forward 1 hour. |
| The gap changes on 7 November 2027 at 02:00, when clocks in New York move back 1 hour. |
| View | 09:00 to 17:00 |
|---|---|
| From Cheonan | Cheonan and New York have no hour that is 09:00 to 17:00 in both cities. |
| From New York | New York and Cheonan have no hour that is 09:00 to 17:00 in both cities. |
| Cheonan | New York |
|---|---|
| 00:00 | 11:00 (previous day) |
| 01:00 | 12:00 (previous day) |
| 02:00 | 13:00 (previous day) |
| 03:00 | 14:00 (previous day) |
| 04:00 | 15:00 (previous day) |
| 05:00 | 16:00 (previous day) |
| 06:00 | 17:00 (previous day) |
| 07:00 | 18:00 (previous day) |
| 08:00 | 19:00 (previous day) |
| 09:00 | 20:00 (previous day) |
| 10:00 | 21:00 (previous day) |
| 11:00 | 22:00 (previous day) |
| 12:00 | 23:00 (previous day) |
| 13:00 | 00:00 |
| 14:00 | 01:00 |
| 15:00 | 02:00 |
| 16:00 | 03:00 |
| 17:00 | 04:00 |
| 18:00 | 05:00 |
| 19:00 | 06:00 |
| 20:00 | 07:00 |
| 21:00 | 08:00 |
| 22:00 | 09:00 |
| 23:00 | 10:00 |
| City | Longest day | Shortest day |
|---|---|---|
| Cheonan with New York | 21 June 2026, 14 h 41 min | 22 December 2026, 9 h 38 min |
| New York with Cheonan | 21 June 2026, 15 h 6 min | 21 December 2026, 9 h 15 min |
| City | Date | Holiday |
|---|---|---|
| Cheonan and New York | 25 December 2026 | 기독탄신일 |
| Cheonan and New York | 1 January 2027 | 신정 |
| New York and Cheonan | 11 November 2026 | Veterans Day |
| New York and Cheonan | 26 November 2026 | Thanksgiving Day |