Seoul to Rosemont time converter

Rosemont is 16 hours behind Seoul. When it is 9:00 AM in Seoul, it is 5:00 PM (Tue, Oct 20) in Rosemont.

Seoul KST

Wednesday, October 21, 2026

Rosemont PDT

Tuesday, October 20, 2026

Seoul
South Korea
Wed, Oct 21
KSTUTC+9
Rosemont
California, United States
Tue, Oct 20
PDTUTC-7-16h
Finding your time zone…
Shared working hours (9:00–18:00)

Seoul to Rosemont conversion table

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

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

Best time to call or meet

Both sides are at work from 9:00 AM – 10:00 AM in Seoul (5:00 PM – 6:00 PM in Rosemont).

Daylight saving time and the difference

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

  • Oct 21, 2026 – Nov 1, 2026: -16h
  • Nov 1, 2026 – Mar 14, 2027: -17h
  • Mar 14, 2027 – Oct 21, 2027: -16h

Distance

Seoul and Rosemont are 9,041 km (5,618 miles) apart in a straight line.

More conversions

Rosemont 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 RosemontLondon to RosemontLos Angeles to RosemontChicago to RosemontToronto to RosemontSão Paulo to RosemontParis to RosemontBerlin to RosemontMoscow to RosemontDubai to RosemontNew Delhi to RosemontBangkok to Rosemont

Questions and answers

What is the time difference between Seoul and Rosemont?

Rosemont is 16 hours behind Seoul.

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

When it is 9:00 AM in Seoul, it is 5:00 PM (Tue, Oct 20) in Rosemont.

When is the best time to call Rosemont from Seoul?

Both sides are at work from 9:00 AM – 10:00 AM in Seoul (5:00 PM – 6:00 PM in Rosemont).

Does the time difference between Seoul and Rosemont change?

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