Seoul to Rochester time converter

Rochester is 13 hours behind Seoul. When it is 9:00 AM in Seoul, it is 8:00 PM (Mon, Oct 19) in Rochester.

Seoul KST

Tuesday, October 20, 2026

Rochester EDT

Tuesday, October 20, 2026

Seoul
South Korea
Tue, Oct 20
KSTUTC+9
Rochester
New York, United States
Tue, Oct 20
EDTUTC-4-13h
Finding your time zone…
Shared working hours (9:00–18:00)

Seoul to Rochester conversion table

Every hour of today in Seoul and the matching time in Rochester. Light rows are typical working hours (9:00–18:00).

SeoulRochester
12:00 AM11:00 AM−1 day
1:00 AM12:00 PM−1 day
2:00 AM1:00 PM−1 day
3:00 AM2:00 PM−1 day
4:00 AM3:00 PM−1 day
5:00 AM4:00 PM−1 day
6:00 AM5:00 PM−1 day
7:00 AM6:00 PM−1 day
8:00 AM7:00 PM−1 day
9:00 AM8:00 PM−1 day
10:00 AM9:00 PM−1 day
11:00 AM10:00 PM−1 day
12:00 PM11:00 PM−1 day
1:00 PM12:00 AM
2:00 PM1:00 AM
3:00 PM2:00 AM
4:00 PM3:00 AM
5:00 PM4:00 AM
6:00 PM5:00 AM
7:00 PM6:00 AM
8:00 PM7:00 AM
9:00 PM8:00 AM
10:00 PM9:00 AM
11:00 PM10:00 AM

Best time to call or meet

Working hours don't overlap fully. The closest fit is 9:00 AM – 11:00 AM in Seoul (8:00 PM – 10:00 PM in Rochester): working hours on one side, early or late on the other.

Daylight saving time and the difference

The difference changes during the year because Seoul and Rochester switch clocks on different dates:

  • Oct 20, 2026 – Nov 1, 2026: -13h
  • Nov 1, 2026 – Mar 14, 2027: -14h
  • Mar 14, 2027 – Oct 20, 2027: -13h

Distance

Seoul and Rochester are 10,702 km (6,650 miles) apart in a straight line.

More conversions

Rochester to SeoulSeoul to New YorkSeoul to LondonSeoul to Los AngelesSeoul to ChicagoSeoul to TorontoSeoul to São PauloSeoul to ParisSeoul to BerlinSeoul to MoscowSeoul to DubaiSeoul to New DelhiSeoul to Bangkok
New York to RochesterLondon to RochesterLos Angeles to RochesterChicago to RochesterToronto to RochesterSão Paulo to RochesterParis to RochesterBerlin to RochesterMoscow to RochesterDubai to RochesterNew Delhi to RochesterBangkok to Rochester

Questions and answers

What is the time difference between Seoul and Rochester?

Rochester is 13 hours behind Seoul.

What time is it in Rochester when it is 9 AM in Seoul?

When it is 9:00 AM in Seoul, it is 8:00 PM (Mon, Oct 19) in Rochester.

When is the best time to call Rochester from Seoul?

Working hours don't overlap fully. The closest fit is 9:00 AM – 11:00 AM in Seoul (8:00 PM – 10:00 PM in Rochester): working hours on one side, early or late on the other.

Does the time difference between Seoul and Rochester change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.