South Korea
Time now in Seongnam-si
Sunrise 05:52Sunset 07:17Time zone UTC +9
Time zone
Asia/Seoul
UTC offset
UTC +9
Daylight saving
Not in effect
Population
914,832
Sunrise
05:52
Sunset
07:17
Day length
13h 26m
Coordinates
37.44, 127.14
Time difference from Seongnam-si
Hours ahead (right) or behind (left) Seongnam-si right now.
Seongnam-si on the map
About the time in Seongnam-si
Seongnam-si sits at latitude 37.44, in the mid-latitude band, so day length here swings noticeably between midwinter and midsummer — today's 13h 26m is one point on that curve, not a fixed value.
Around 914,832 people live in Seongnam-si, and all of them keep the same civil time, so the reading above applies to the whole urban area — not just the city centre.
The zone identifier Asia/Seoul is the value you want in code, calendars and travel systems. Abbreviations change with the season, but Asia/Seoul keeps pointing at Seoul time whatever the date, which is why every timestamp on this page is built from it.
Frequently asked questions about time in Seongnam-si
- How far ahead or behind UTC is Seongnam-si?
- Seongnam-si is UTC +9 at this moment; the offset is read live, so it already accounts for daylight saving.
- Does Seongnam-si change its clocks for daylight saving?
- No. Seongnam-si keeps UTC +9 throughout the year.
- Is the clock on this page accurate?
- It is synchronised with our server rather than your device, then formatted for Asia/Seoul, so a drifting device clock does not affect what you see.
- What time is it in Seongnam-si right now?
- The live clock above shows the current time in Seongnam-si, updating every second from Asia/Seoul (UTC +9).
7,163 places in South Korea
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