Cheongju uses Asia/Seoul — UTC+09:00 (KST) in standard time. It is located in North Chungcheong, South Korea. The live clock shows the current local time and updates every second.
Everything you need to know about Cheongju's time zone, UTC offset, and Daylight Saving Time schedule.
Cheongju uses UTC+09:00 in standard time. This is the offset used outside the daylight saving period.
This zone does not observe daylight saving time and stays on UTC+09:00 year-round.
The official IANA time zone name for Cheongju is Asia/Seoul. This identifier is used in programming, operating systems and calendar applications worldwide.
No daylight saving transitions are scheduled for this zone.
Seoul, Busan, Incheon, Daegu, Daejeon
Currency: South Korean Won (KRW). Calling code: +82. Languages: Korean.
Cheongju (Korean: 청주; Korean pronunciation: [tɕʰʌŋ.dʑu]) is the capital and largest city of North Chungcheong Province in South Korea. The "Cheong" in the name of the province is the same as in Cheongju.
Source: Wikipedia contributors — Cheongju. Adapted text is available under CC BY-SA 4.0; see licence details. Reviewed by the TimeZoria AI Editorial Team.
852,147 residents (GeoNames city population; metro areas may be larger).
North Chungcheong, South Korea.
Asia/Seoul · UTC+09:00 (KST).
No daylight saving time.
South Korean Won (KRW) · +82.
Daejeon, Cheonan, Suwon
Cheongju International Airport/Cheongju Air Base (K-59/G-513) (CJJ) about 8.8 km from the city coordinates. Source: OurAirports (public domain).
2024 averages: daily highs 19.4°C and lows 9.6°C. Warmest month: August (average high 32.8°C); coolest month: January (average low -4.6°C). Source: Open-Meteo (CC BY 4.0).
Region: North Chungcheong · IANA zone: Asia/Seoul · Open data sources and licence details: TimeZoria AI licenses.
Current time in major cities compared to Cheongju. Times update live every second.
Note on DST transitions: The offsets shown above reflect the current live offset, which changes twice a year due to Daylight Saving Time. Different regions change their clocks on different dates, which means the difference between Cheongju and another city can vary by 1 hour for a short period in spring and autumn. Always verify the exact time difference around DST transition dates for critical scheduling.
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Cheongju's time zone affects business hours, travel plans and international calls. The Asia/Seoul zone is used for local scheduling, transport and everyday life in North Chungcheong.
TimeZoria AI uses your browser's built-in Intl API and the IANA tz database to always display the correct Cheongju time — including DST changes — without any network requests.
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Common questions about Cheongju's time zone, UTC offset, and DST.