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- Type a city, a country or a zone such as “CET” or “Tokyo”.
Current local time in Cheongju, South Korea
Asia/Seoul
Observatory log
Cheongju, observed
- 01Time zone
Korean Standard Time
KST · UTC+9 · IANA
Asia/Seoul- 02Daylight saving
South Korea does not observe daylight saving time.
Clocks stay on KST (UTC+9) all year. No change is scheduled in tzdata 2026e.
- 03Sun today
- Sunrise06:37Sunset17:54Day length11 h 17 minSolar noon12:15
MoonWaxing crescent, 19% lit
Golden hour06:21–07:12 · 17:19–18:10
- 04Working hours
Counted as 09:00–17:00 local; the weekend in South Korea is Saturday and Sunday.
- 05Best time to call
- 06Time zones in South Korea
South Korea uses a single time zone: Asia/Seoul.
- 08Coordinates
36.64° N, 127.50° E · Chungcheongbuk-do
Differences
Cheongju and the world
| City | Local time | Difference from CheongjuDiff. |
|---|---|---|
 London | −8 h | |
 New York | −13 h | |
| Los Angeles | −16 h | |
| Chicago | −14 h | |
 São Paulo | −12 h | |
 Paris | −7 h | |
 Dubai | −5 h | |
 Mumbai | −3 h 30 min | |
 Singapore | −1 h | |
 Hong Kong | −1 h | |
 Tokyo | Same time |
Questions
Asked about Cheongju
What time zone is Cheongju in?
Cheongju uses Korean Standard Time (KST), UTC+9. Its IANA time-zone ID is Asia/Seoul.
Does South Korea use daylight saving time?
No. South Korea does not observe daylight saving time: the clocks stay on Korean Standard Time (UTC+9) all year.
When does the sun rise and set in Cheongju today?
Today in Cheongju the sun rises at 06:37 and sets at 17:54, giving 11 h 17 min of daylight.