Time difference: New York and Seoul

Seoul is 13 hours ahead of New York.

Seoul is 13 hours ahead of New York. New York is UTC-4. Seoul is UTC+9.

New York on 15 October 2026: sunrise 07:07, sunset 18:15, day length 11 h 8 min.

Seoul on 15 October 2026: sunrise 06:39, sunset 17:55, day length 11 h 16 min.

For New York and Seoul: The next clock change in New York is 1 hour back on 1 November 2026 at 02:00, from UTC-4 to UTC-5.

For Seoul and New York: Seoul 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.

When the difference changes
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.
Working hours from each side
View09:00 to 17:00
From New YorkNew York and Seoul have no hour that is 09:00 to 17:00 in both cities.
From SeoulSeoul and New York have no hour that is 09:00 to 17:00 in both cities.
Hours in New York and Seoul. Shaded cells are 09:00 to 17:00. The stronger shade is when both are.
New YorkSeoul
00:0013:00
01:0014:00
02:0015:00
03:0016:00
04:0017:00
05:0018:00
06:0019:00
07:0020:00
08:0021:00
09:0022:00
10:0023:00
11:0000:00 (next day)
12:0001:00 (next day)
13:0002:00 (next day)
14:0003:00 (next day)
15:0004:00 (next day)
16:0005:00 (next day)
17:0006:00 (next day)
18:0007:00 (next day)
19:0008:00 (next day)
20:0009:00 (next day)
21:0010:00 (next day)
22:0011:00 (next day)
23:0012:00 (next day)
Sun this year
CityLongest dayShortest day
New York with Seoul21 June 2026, 15 h 6 min21 December 2026, 9 h 15 min
Seoul with New York21 June 2026, 14 h 46 min22 December 2026, 9 h 34 min
Next public holidays
CityDateHoliday
New York and Seoul11 November 2026Veterans Day
New York and Seoul26 November 2026Thanksgiving Day
Seoul and New York25 December 2026기독탄신일
Seoul and New York1 January 2027신정