Time in South Korea

Time in Seongnam-si now

Tuesday, November 3, 2026

KST · UTC+9 Korean Standard Time

Sunrise
6:57 AM
Sunset
5:32 PM
Day length
10 h 35 min
Daylight saving
Not observed

Seongnam-si time zone

Time zone

Korean Standard Time (KST), UTC+9. IANA zone Asia/Seoul.

Clock changes

Seongnam-si does not change its clocks; it stays on UTC+9 all year.

Location

Seongnam-si, Gyeonggi-do, South Korea. Coordinates 37.44° N, 127.14° E; population about 914,832.

Sunrise and sunset in Seongnam-si today

Dawn (civil)
6:30 AM
Sunrise
6:57 AM
Solar noon
12:14 PM
Sunset
5:32 PM
Dusk (civil)
5:59 PM
Day length
10 h 35 min
Night length
13 h 25 min
Golden hour, morning
6:40 AM – 7:34 AM
Golden hour, evening
4:55 PM – 5:49 PM
Blue hour, morning
6:30 AM – 6:40 AM
Blue hour, evening
5:49 PM – 5:59 PM

Calculated for the city centre at sea level; accurate to about a minute. Golden hour is when the sun is between 4° below and 6° above the horizon; blue hour between 6° and 4° below. See the whole month or another date.

Seongnam-si time compared with other cities

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CityLocal timeDifference from Seongnam-si
New York City, New York7:00 AM14 hours behind Seongnam-si
Los Angeles, California4:00 AM17 hours behind Seongnam-si
Chicago, Illinois6:00 AM15 hours behind Seongnam-si
Denver, Colorado5:00 AM16 hours behind Seongnam-si
Phoenix, Arizona5:00 AM16 hours behind Seongnam-si
Honolulu, Hawaii2:00 AM19 hours behind Seongnam-si
Anchorage, Alaska3:00 AM18 hours behind Seongnam-si
Toronto, Canada7:00 AM14 hours behind Seongnam-si
Vancouver, Canada5:00 AM16 hours behind Seongnam-si
Mexico City, Mexico6:00 AM15 hours behind Seongnam-si
São Paulo, Brazil9:00 AM12 hours behind Seongnam-si
Buenos Aires, Argentina9:00 AM12 hours behind Seongnam-si
London, United Kingdom12:00 PM9 hours behind Seongnam-si
Dublin, Ireland12:00 PM9 hours behind Seongnam-si

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Questions about time in Seongnam-si

What time zone is Seongnam-si in?

Seongnam-si uses Korean Standard Time (KST, UTC+9) all year. Its IANA time-zone identifier is Asia/Seoul, which is what phones and computers use to set the local time.

Does Seongnam-si observe daylight saving time?

No. Seongnam-si stays on UTC+9 all year, so its clocks do not change for daylight saving time.

How far is Seongnam-si from UTC?

Seongnam-si is 9 hours ahead of UTC.

What time is sunrise and sunset in Seongnam-si today?

The table above shows today’s sunrise, sunset and day length for the city centre. As an example, on Tuesday, November 3, 2026 the sun rose at 6:57 AM and set at 5:32 PM, giving 10 h 35 min of daylight.

What would you like to work out?