Today in Dumai, Indonesia, the sun rises at 6:14 AM and sets at 6:23 PM, giving the city exactly 12h 9m of daylight. That is 0 minutes longer than yesterday—approaching the solar plateau near the Winter Solstice. With 122 days until the Winter Solstice on December 21, Dumai is currently in its Summer season.
Golden Hour & Twilight Windows in Dumai
For photographers, filmmakers, and outdoor enthusiasts, the morning golden hour in Dumai runs from N/A to 6:42 AM. The evening golden hour begins at 5:55 PM and lasts until 6:23 PM.
Civil twilight—when there is still sufficient ambient light to see clearly outdoors—begins at N/A. Near the equator, Dumai's daylight stays remarkably stable year-round, deviating very little from the annual average.
Solar Noon & UV Index
Solar noon in Dumai falls exactly at 12:18 PM, which is the moment the sun reaches its peak altitude of -9.96 above the horizon. At this specific time, the solar angle produces a relatively low UV exposure day for Dumai, typical of its Summer season.
Why Does Sunrise Shift in Dumai?
At Dumai's latitude of 1.6631967°, the sun currently rises at an azimuth of 102.66° (ESE). Because of the Earth's axial tilt, this position shifts slightly every day. Sunrise and sunset times for Dumai are calculated using advanced solar algorithms (SunCalc) based on coordinates 1.6631967, 101.4470369. Times are mathematically accurate to ±30 seconds.
Historical Sunrise in Dumai (Past Years)
Due to the Earth's precise orbit, solar times remain highly consistent year over year. Here is a comparison of today's sunrise and sunset times in Dumai versus 1 year and 5 years ago:
| Year | Sunrise | Sunset | Daylight |
|---|---|---|---|
| Today | 6:14 AM | 6:23 PM | 12h 9m |
| 2025 | 6:14 AM | 6:23 PM | 12h 9m |
| 2021 | 6:14 AM | 6:23 PM | 12h 9m |
Frequently Asked Questions
What time does the sun rise in Dumai today?
In Dumai, the sun rises at exactly 6:14 AM and sets at 6:23 PM today. This gives the city a total of 12h 9m of daylight.
When is golden hour in Dumai today?
Today, morning golden hour in Dumai runs from N/A to 6:42 AM. Evening golden hour begins at 5:55 PM and lasts until 6:21 PM.
Why does sunrise in Dumai shift every day?
At Dumai's latitude, the sun currently rises at an azimuth of 102.66° (ESE). Because of Earth's tilt, the city is approaching the solar plateau near the Winter Solstice until the Winter Solstice on December 21.
What is the UV Index in Dumai at solar noon?
Solar noon occurs at 12:18 PM when the sun reaches -9.96. This produces a relatively low UV exposure day for Dumai, typical of its Summer season.
Has the sunrise time in Dumai changed compared to previous years?
Due to the Earth's precise orbit, solar times remain highly consistent year over year. Exactly one year ago in 2025, sunrise was at 6:14 AM, and five years ago in 2021, it was at 6:14 AM.