Today in Hai Phong, Vietnam, the sun rises at 5:18 AM and sets at 6:39 PM, giving the city exactly 13h 20m of daylight. That is 1 minutes shorter than yesterday—just past its peak, losing daylight slowly. With 167 days until the Winter Solstice on December 21, Hai Phong is currently in its Summer season.
Golden Hour & Twilight Windows in Hai Phong
For photographers, filmmakers, and outdoor enthusiasts, the morning golden hour in Hai Phong runs from N/A to 5:50 AM. The evening golden hour begins at 6:07 PM and lasts until 6:39 PM.
Civil twilight—when there is still sufficient ambient light to see clearly outdoors—begins at N/A. Near the equator, Hai Phong's daylight stays remarkably stable year-round, deviating very little from the annual average.
Solar Noon & UV Index
Solar noon in Hai Phong falls exactly at 11:59 AM, which is the moment the sun reaches its peak altitude of -5.28 above the horizon. At this specific time, the solar angle produces a relatively low UV exposure day for Hai Phong, typical of its Summer season.
Why Does Sunrise Shift in Hai Phong?
At Hai Phong's latitude of 20.8623278°, the sun currently rises at an azimuth of 476.63° (ESE). Because of the Earth's axial tilt, this position shifts slightly every day. Sunrise and sunset times for Hai Phong are calculated using advanced solar algorithms (SunCalc) based on coordinates 20.8623278, 106.6799266. Times are mathematically accurate to ±30 seconds.
Historical Sunrise in Hai Phong (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 Hai Phong versus 1 year and 5 years ago:
| Year | Sunrise | Sunset | Daylight |
|---|---|---|---|
| Today | 5:18 AM | 6:39 PM | 13h 20m |
| 2025 | 5:18 AM | 6:39 PM | 13h 20m |
| 2021 | 5:18 AM | 6:39 PM | 13h 20m |
Frequently Asked Questions
What time does the sun rise in Hai Phong today?
In Hai Phong, the sun rises at exactly 5:18 AM and sets at 6:39 PM today. This gives the city a total of 13h 20m of daylight.
When is golden hour in Hai Phong today?
Today, morning golden hour in Hai Phong runs from N/A to 5:50 AM. Evening golden hour begins at 6:07 PM and lasts until 6:37 PM.
Why does sunrise in Hai Phong shift every day?
At Hai Phong's latitude, the sun currently rises at an azimuth of 476.63° (ESE). Because of Earth's tilt, the city is just past its peak, losing daylight slowly until the Winter Solstice on December 21.
What is the UV Index in Hai Phong at solar noon?
Solar noon occurs at 11:59 AM when the sun reaches -5.28. This produces a relatively low UV exposure day for Hai Phong, typical of its Summer season.
Has the sunrise time in Hai Phong 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 5:18 AM, and five years ago in 2021, it was at 5:18 AM.