Time Difference from Seoul to Major World Cities
Visual offset comparison between Seoul and key financial and international communication centers:
Drag the timeline scrubber to compare local hours across both locations:
Sunrise, Sunset and Solar Day Length in Seoul
Solar cycle and day length calculated for coordinates 37.5665° lat, 126.978° lon at an elevation of 85 meters above sea level:
Korean Standard Time Timezone Specifications & DST Rules
About the KST Abbreviation
KST stands for Korean Standard Time. It is observed in South Korea (Asia) at UTC +09:00.
Read full KST time zone guide, meanings & active territories →
Travel, Infrastructure & Business Essentials for Seoul
Essential practical information for international business travelers, digital nomads, and expats visiting Seoul:
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Related Cities in the Same Region & Timezone
Major commercial and administrative hubs in neighboring territories sharing direct regional links with Seoul:
Historical Adoption & Legal Timekeeping Governance
Discover the current local time in Seoul, South Korea, along with comprehensive timezone details, including its consistent standard time, the absence of Daylight Saving Time, and precise time difference calculations. Seoul operates under the Asia/Seoul timezone, maintaining a +09:00 UTC offset throughout the year. This makes it a reliable time reference for business, travel, and communication. This detailed profile provides insights into Seoul's administrative structure as a Special City, its substantial population of nearly 10 million residents, and its prominent position as the nation's capital and largest metropolitan area. We cover essential infrastructure details such as the international dial code (+82), postal code format, currency (KRW), power plug types (C and F), and electrical standards (220V, 50Hz). Furthermore, we delve into cultural aspects like the primary language (Korean) and the standard workweek. This resource is designed to be a complete guide for anyone needing accurate and up-to-date information about the time and context in Seoul, South Korea. The information is current for current international scheduling.
Historical Background: Officially adopted on 1912-01-01. Standard Time was first adopted in 1912 during the Japanese colonial period.
Legal Time Authority:
Regulated by the Ministry of Science and ICT
under official statutory decree Standard Time Act.
Frequently Asked Questions about Seoul Time
What is the current local time and timezone in Seoul?
Seoul operates on Korean Standard Time (abbreviated as KST). The standard offset is UTC +09:00.
What does KST timezone stand for?
KST stands for Korean Standard Time. It maintains a standard offset of UTC +09:00 from Coordinated Universal Time (GMT / UTC).
Does Seoul change clocks for Daylight Saving Time (DST)?
No, Seoul does not observe Daylight Saving Time. The local time remains constant throughout the entire year at UTC +09:00 without seasonal clock shifts.
What power plug and voltage adapter do I need for Seoul?
South Korea uses plug types C and F with a standard voltage of 220V at 50Hz.
How can I convert time or schedule calls with Seoul?
You can use the interactive 24-hour dual-slider converter directly on this page, or visit our Time Difference Tool and Meeting Planner to schedule seamless cross-timezone calls.