Seoul to North Potomac time converter

North Potomac is 13 hours behind Seoul. When it is 9:00 AM in Seoul, it is 8:00 PM (Tue, Oct 20) in North Potomac.

Seoul KST

Wednesday, October 21, 2026

North Potomac EDT

Tuesday, October 20, 2026

Seoul
South Korea
Wed, Oct 21
KSTUTC+9
North Potomac
Maryland, United States
Tue, Oct 20
EDTUTC-4-13h
Finding your time zone…
Shared working hours (9:00–18:00)

Seoul to North Potomac conversion table

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

SeoulNorth Potomac
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 North Potomac): 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 North Potomac switch clocks on different dates:

  • Oct 21, 2026 – Nov 1, 2026: -13h
  • Nov 1, 2026 – Mar 14, 2027: -14h
  • Mar 14, 2027 – Oct 21, 2027: -13h

Distance

Seoul and North Potomac are 11,139 km (6,921 miles) apart in a straight line.

More conversions

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New York to North PotomacLondon to North PotomacLos Angeles to North PotomacChicago to North PotomacToronto to North PotomacSão Paulo to North PotomacParis to North PotomacBerlin to North PotomacMoscow to North PotomacDubai to North PotomacNew Delhi to North PotomacBangkok to North Potomac

Questions and answers

What is the time difference between Seoul and North Potomac?

North Potomac is 13 hours behind Seoul.

What time is it in North Potomac when it is 9 AM in Seoul?

When it is 9:00 AM in Seoul, it is 8:00 PM (Tue, Oct 20) in North Potomac.

When is the best time to call North Potomac 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 North Potomac): working hours on one side, early or late on the other.

Does the time difference between Seoul and North Potomac change?

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