Sun Times in Seongnam-si

Check the sunrise time displayed above for Seongnam-si (). Times are calculated from the city's coordinates.

Check the sunset time displayed above for Seongnam-si (). Times are calculated from the city's coordinates.

Golden hour times for Seongnam-si are displayed above. Morning golden hour runs from sunrise until about an hour after. Evening golden hour starts about an hour before sunset.

The day length for Seongnam-si is shown above. It represents the time between sunrise and sunset.

The sun's highest point (solar noon) for Seongnam-si is shown in the times above (). This is when the sun crosses the meridian.

Sunset and dusk times for Seongnam-si are displayed above (). It typically takes over an hour after sunset for the sky to get fully dark.

Twilight duration in Seongnam-si varies by season. You can calculate it from the sunset and astronomical dusk times shown above.

The earliest sunrise in Seongnam-si in 2026 is at 8:11 PM on June 8 (). This occurs around the summer solstice when days are longest.

The latest sunset in Seongnam-si in 2026 is at 10:57 AM on June 23 (). This occurs shortly after the summer solstice.

After sunset in Seongnam-si, civil twilight lasts roughly 30 minutes, during which the sky fades but remains somewhat bright. Full darkness follows after astronomical dusk. See the exact times above.