Sunrise & sunset times in Seongnam-si, South Korea
On Wednesday 2 September 2026, the sun rises at 06:02 and sets at 18:59 in Seongnam-si. All times are shown in the Asia/Seoul timezone.
Today in Seongnam-si
Twilight▼
Golden & blue hour▼
Golden hour in Seongnam-si today
Golden hour is the soft, warm light when the sun is low — from just after sunrise up to a few degrees above the horizon, and again from a few degrees down to sunset. The exact length depends on latitude and the time of year.
Photographers use golden hour for soft, directional warm light. Architects and travellers track it to time outdoor shots and walks in Seongnam-si when the sun is at its most flattering angle.
Monthly sunrise & sunset in Seongnam-si (2026)
Times are calculated for the 15th of each month at Seongnam-si’s coordinates.
| Month | Sunrise | Sunset | Solar noon | Day length |
|---|---|---|---|---|
| January | 07:44 | 17:36 | 12:40 | 9h 51m |
| February | 07:21 | 18:10 | 12:45 | 10h 49m |
| March | 06:43 | 18:38 | 12:40 | 11h 55m |
| April | 05:57 | 19:06 | 12:31 | 13h 08m |
| May | 05:22 | 19:33 | 12:27 | 14h 10m |
| June | 05:10 | 19:53 | 12:31 | 14h 43m |
| July | 05:22 | 19:52 | 12:37 | 14h 30m |
| August | 05:47 | 19:24 | 12:36 | 13h 37m |
| September | 06:13 | 18:39 | 12:26 | 12h 26m |
| October | 06:39 | 17:54 | 12:17 | 11h 15m |
| November | 07:10 | 17:21 | 12:15 | 10h 10m |
| December | 07:38 | 17:14 | 12:26 | 9h 36m |
Solar year in Seongnam-si (2026)
Day length in Seongnam-si swings by 5h 10m between the longest day in June and the shortest in December.
Day length across the year in Seongnam-si
Longest day in Seongnam-si: 14h 35m on 21 Jun. Shortest day: 9h 25m on 21 Dec. Today the sun is up for about 12h 45m.
Moon tonight in Seongnam-si
Next full moon on 26 September 2026, next new moon on 11 September 2026. See the full moon page for the live phase visual and a moon overlay on the interactive map.
Frequently asked questions
What time is sunrise in Seongnam-si today?▼
The sun rises at 06:02 Asia/Seoul in Seongnam-si, South Korea today.
What time is sunset in Seongnam-si today?▼
The sun sets at 18:59 Asia/Seoul in Seongnam-si today.
How long is the day in Seongnam-si today?▼
Daylight in Seongnam-si today lasts 12 hours and 57 minutes, between sunrise and sunset.
When is the golden hour in Seongnam-si?▼
The morning golden hour in Seongnam-si runs from 05:35 to 06:37, and the evening golden hour runs from 18:24 to 19:26.
What is the timezone of Seongnam-si?▼
Seongnam-si uses the Asia/Seoul timezone. All sunrise and sunset times on this page are shown in local time.
When is the longest day of the year in Seongnam-si?▼
The longest day of 2026 in Seongnam-si is 21 June 2026, with 14h 45m of daylight between sunrise and sunset.
When is the shortest day of the year in Seongnam-si?▼
The shortest day of 2026 in Seongnam-si is 22 December 2026, with 9h 35m of daylight.
How much does daylight vary through the year in Seongnam-si?▼
Between the longest and shortest day of 2026, day length in Seongnam-si swings by 5h 10m.