Sunrise Forecast for Seongnam-si
Tomorrow's sunrise prediction and golden hour forecast
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Alpenglow forecasts the sky from your precise location, not just Seongnam-si city center — with 7-day forecasts, golden hour alerts, and home screen widgets.
Frequently Asked Questions
How can I see a beautiful sunrise?
The best sunrises occur when scattered clouds catch the early light. Find a spot with a clear eastern horizon and arrive at least 20 minutes before sunrise to watch the colors develop. Mornings after a cold front often produce the most vivid skies. Use Alpenglow's quality forecast to check which days have the best conditions. In Seongnam-si today, the sun rises from the ENE (71°) at 5:46 AM — pick a spot with a clear view in that direction and arrive before first light.
What time does it get dark in Seongnam-si?
Today's sunset in Seongnam-si is at 7:25 PM, with full darkness arriving at 9:02 PM (Asia/Seoul). The period between sunset and full darkness is twilight, when the sky gradually transitions from light to dark.
How long does twilight last?
Twilight in Seongnam-si lasts approximately 97 minutes from sunset to full darkness (astronomical dusk). This includes civil twilight, nautical twilight, and astronomical twilight.
What is the earliest sunrise of the year in Seongnam-si?
The earliest sunrise in Seongnam-si in 2026 is at 5:09 AM on June 13 (Asia/Seoul). This occurs around the summer solstice when days are longest.
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