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- Type a city, a country or a zone such as “CET” or “Tokyo”.
Current local time in Ulsan, South Korea
Asia/Seoul
Observatory log
Ulsan, observed
- 01Time zone
Korean Standard Time
KST · UTC+9 · IANA
Asia/Seoul- 02Daylight saving
South Korea does not observe daylight saving time.
Clocks stay on KST (UTC+9) all year. No change is scheduled in tzdata 2026e.
- 03Sun today
- Sunrise06:28Sunset17:49Day length11 h 22 minSolar noon12:08
MoonWaxing crescent, 12% lit
Golden hour06:12–07:02 · 17:15–18:05
- 04Working hours
Counted as 09:00–17:00 local; the weekend in South Korea is Saturday and Sunday.
- 05Best time to call
- 06Time zones in South Korea
South Korea uses a single time zone: Asia/Seoul.
- 08Coordinates
35.55° N, 129.32° E
Differences
Ulsan and the world
| City | Local time | Difference from UlsanDiff. |
|---|---|---|
 London | −8 h | |
 New York | −13 h | |
| Los Angeles | −16 h | |
| Chicago | −14 h | |
 São Paulo | −12 h | |
 Paris | −7 h | |
 Dubai | −5 h | |
 Mumbai | −3 h 30 min | |
 Singapore | −1 h | |
 Hong Kong | −1 h | |
 Tokyo | Same time |
Questions
Asked about Ulsan
What time zone is Ulsan in?
Ulsan uses Korean Standard Time (KST), UTC+9. Its IANA time-zone ID is Asia/Seoul.
Does South Korea use daylight saving time?
No. South Korea does not observe daylight saving time: the clocks stay on Korean Standard Time (UTC+9) all year.
When does the sun rise and set in Ulsan today?
Today in Ulsan the sun rises at 06:28 and sets at 17:49, giving 11 h 22 min of daylight.