Current Time in Seoul
Korea Standard (KST)
Time in Seoul vs Other Cities
About Seoul Time Zone
Seoul operates on Korea Standard (KST). This time zone does not observe Daylight Saving Time.
Quick Time Zone Facts
Time Zone: Korea Standard Time (KST) — Standard Offset: UTC+9 (KST) — DST: Not observed
Country: South Korea
This city does not observe Daylight Saving Time. The UTC offset remains constant year-round, which simplifies international scheduling.
Tech & Entertainment Powerhouse
Seoul operates on KST (UTC+9), the same offset as Tokyo. South Korea does not observe DST, keeping the time constant year-round. As the home of Samsung, LG, Hyundai, SK Group, and the global K-pop and Korean entertainment industry, Seoul is a major hub for technology, manufacturing, and cultural exports. The Korean Wave (Hallyu) has made KST relevant to entertainment schedules worldwide — album drops, concert announcements, and streaming premieres often follow Korean midnight or morning timing.
Business Hours
Korean business culture emphasizes long hours and dedication. While official hours run 9 AM to 6 PM, the reality in many Korean companies extends well beyond. The Korea Exchange (KRX) trades from 9:00 AM to 3:30 PM KST. Seoul shares the UTC+9 offset with Tokyo, making Korea-Japan business coordination seamless — no time conversion needed for the two largest economies in Northeast Asia.
Scheduling Internationally
Seoul's UTC+9 offset creates a 14-hour gap with New York (13 during EDT) and a 9-hour gap with London (8 during BST). The US overlap window mirrors Tokyo's: early morning Seoul (8-9 AM KST) catches the previous evening on the US East Coast (6-7 PM ET). For European coordination, afternoon Seoul works best — 3 PM KST = 6 AM GMT, catching the start of London's day.
Regional Context
Seoul and Tokyo sharing UTC+9 is significant — the two cities are major trading partners despite historical tensions. The 1-hour difference with China/Singapore/Hong Kong (UTC+8) makes Northeast to Southeast Asian coordination easy. Seoul's tech industry frequently collaborates with Silicon Valley, typically through shifted schedules or asynchronous workflows given the 17-hour difference with San Francisco.
Time Zone Guide: Seoul
Seoul operates on DOCT. When scheduling calls, meetings, or travel involving Seoul, keep these practical tips in mind to avoid confusion and missed connections.
Business hours: Standard business hours in Seoul are typically 9:00 AM to 5:00 PM local time. If you are scheduling across time zones, find the overlap window where both parties are within business hours. For international meetings, this often means early morning or late afternoon for one party.
Daylight Saving Time: Be aware that DST rules vary by country, something that the time in seoul analysis on this page helps quantify, turning abstract concepts into actionable numbers relevant to your specific planning needs.
Quick reference: When it is noon in Seoul, use the time zone converter above to see what time it is in your location. Bookmark this page for quick access whenever you need to coordinate across time zones. For recurring meetings, set calendar events with the correct time zone specified to avoid confusion when DST changes occur.