Current Local Time in Seoul
Seoul, South Korea (GMT+9)
Saturday, April 25, 2026
Seoul follows Korea Standard Time (KST), which is UTC+9. The city does not observe Daylight Saving Time, so the offset remains constant year-round.
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⏰Time Zone Facts
Asia/SeoulData: IANA Time Zone Database
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☀️Climate
Humid continental with hot humid summers (25-32°C) and cold winters (-5 to 3°C). Monsoon season July-August.
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📍About Seoul Time Zone
Seoul is in the Asia/Seoul time zone (UTC+9). Seoul does not observe Daylight Saving Time, maintaining UTC+9 year-round.
Seoul Time Difference at a Glance
Quick Facts: Seoul Time
- Time Zone: Asia/Seoul (UTC+9)
- Daylight Saving: Not observed
- Country: South Korea
- Coordinates: 37.57, 126.98
- Calling Code: +82 2
🌐Time Difference from Seoul
| City | Now | Diff | Overlap |
|---|---|---|---|
| 🌙Tokyo | 9:01 PM | Same | |
| 🌆Hong Kong | 8:01 PM | -1h | |
| 🌆Singapore | 8:01 PM | -1h | |
| 🌅New York | 8:01 AM | -13h | |
| ☀️London | 1:01 PM | -8h | |
| 🌆Shanghai | 8:01 PM | -1h | |
| 🌙Sydney | 10:01 PM | +1h | |
| 🌙Los Angeles | 5:01 AM | -16h |
❓Frequently Asked Questions
Seoul, South Korea uses Korea Standard Time (KST, UTC+9) year-round. The IANA identifier is Asia/Seoul. South Korea abolished daylight saving time in 1988 and has maintained KST (UTC+9) as a fixed offset ever since — no seasonal clock changes. Seoul shares the same time as Tokyo (JST, UTC+9), making both cities key reference points for East Asian business scheduling. The IANA identifier is Asia/Seoul.
Seoul is in the Korea Standard Time (KST) zone, which is UTC+9 year-round. KST is identical to Japan Standard Time (JST), meaning Seoul and Tokyo are always at the same time. KST is 1 hour ahead of China Standard Time (CST/UTC+8), 2 hours ahead of Indochina Time (UTC+7), and 9 hours ahead of Greenwich Mean Time (GMT/UTC+0).
No. South Korea abolished daylight saving time in 1988, just before hosting the Seoul Olympic Games, and has maintained KST (UTC+9) year-round ever since. The permanent UTC+9 offset makes Seoul's time difference from international cities constant throughout the year, simplifying global business scheduling with Korean partners.
Seoul is 14 hours ahead of New York during Eastern Standard Time (November–March) and 13 hours ahead during Eastern Daylight Time (March–November). When it is 9:00 AM Monday in New York (EST), it is 11:00 PM Monday in Seoul. For real-time coordination, New York's early morning (6:00–9:00 AM EST) aligns with Seoul's early evening (8:00–11:00 PM KST).
Seoul is 9 hours ahead of London during GMT (October–March) and 8 hours ahead during British Summer Time (BST, March–October). When London opens at 9:00 AM GMT, it is 6:00 PM in Seoul — just at the edge of Seoul's business hours. Early London mornings (8:00–9:00 AM GMT) are the most practical window for catching Seoul colleagues before their workday ends.
Yes. Seoul (KST/UTC+9) and Tokyo (JST/UTC+9) are in the same time zone and always show the same time. Despite the geographical and political differences between South Korea and Japan, both countries independently settled on UTC+9 as their standard time. This alignment simplifies Korea–Japan business coordination significantly.
The Korea Exchange (KRX) in Seoul opens at 9:00 AM KST and closes at 3:30 PM KST, Monday through Friday. This translates to midnight–6:30 AM EST for New York traders and 1:00–9:30 AM GMT for London. KRX is one of the world's top 15 stock exchanges by market capitalisation, with major Korean conglomerates (Samsung, Hyundai, LG) among its most traded listings.
From London (GMT), call Seoul between 8:00 AM and 10:00 AM GMT — this corresponds to 5:00–7:00 PM KST, catching Seoul at the end of its business day. From Paris or Berlin (CET/UTC+1 in winter), call between 9:00 AM and 11:00 AM local time. Scheduling morning European calls before 10:00 AM is key to reaching Seoul within business hours.
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