UTC to KST — Time Zone Converter
Coordinated Universal Time (UTC, UTC+0) covers the global reference timeline; Korea Standard Time (KST, UTC+9) covers South Korea. In standard time, KST is 9 hours ahead of UTC. The practical window is early morning in the global reference timeline, which lands in the late afternoon or evening in South Korea. Use the live converter below — it applies today's IANA time zone data, including daylight saving time, and gives you a meeting schedule you can paste straight into email or Slack.
UTC to KST, hour by hour (today)
Frequently asked questions
What is the time difference between UTC and KST?+
Coordinated Universal Time (UTC) is UTC+0 and Korea Standard Time (KST) is UTC+9, so in standard time KST is 9 hours ahead of UTC. Neither zone observes daylight saving time, so this difference is the same all year.
Does UTC or KST observe daylight saving time?+
Coordinated Universal Time stays on UTC+0 all year — no daylight saving time. Korea Standard Time stays on UTC+9 all year — no daylight saving time.
What is the best time for a meeting between UTC and KST?+
The practical window is early morning in the global reference timeline, which lands in the late afternoon or evening in South Korea. The converter above highlights office hours in green for both zones, so you can slide to a time that works for everyone.
How do I share a UTC to KST meeting time by email?+
Pick a time in the converter, log it to the Smart Clipboard, and copy it as bullets, a formatted table, or a one-line question — with both UTC and KST times spelled out so nobody has to do the math.