Boulder City to Seoul time converter

Seoul is 16 hours ahead of Boulder City. When it is 9:00 AM in Boulder City, it is 1:00 AM (Wed, Oct 21) in Seoul.

Boulder City PDT

Tuesday, October 20, 2026

Seoul KST

Wednesday, October 21, 2026

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

Boulder City to Seoul conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 20, 2026 – Nov 1, 2026: +16h
  • Nov 1, 2026 – Mar 14, 2027: +17h
  • Mar 14, 2027 – Oct 20, 2027: +16h

Distance

Boulder City and Seoul are 9,656 km (6,000 miles) apart in a straight line.

More conversions

Seoul to Boulder CityBoulder City to New YorkBoulder City to LondonBoulder City to Los AngelesBoulder City to ChicagoBoulder City to TorontoBoulder City to São PauloBoulder City to ParisBoulder City to BerlinBoulder City to MoscowBoulder City to DubaiBoulder City to New DelhiBoulder City to Bangkok
New York to SeoulLondon to SeoulLos Angeles to SeoulChicago to SeoulToronto to SeoulSão Paulo to SeoulParis to SeoulBerlin to SeoulMoscow to SeoulDubai to SeoulNew Delhi to SeoulBangkok to Seoul

Questions and answers

What is the time difference between Boulder City and Seoul?

Seoul is 16 hours ahead of Boulder City.

What time is it in Seoul when it is 9 AM in Boulder City?

When it is 9:00 AM in Boulder City, it is 1:00 AM (Wed, Oct 21) in Seoul.

When is the best time to call Seoul from Boulder City?

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

Does the time difference between Boulder City and Seoul change?

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