Today in Sai Kung, Hong Kong, the sun rises at 5:45 AM and sets at 7:12 PM, giving the city exactly 13h 27m of daylight. That is 0 minutes longer than yesterday—approaching the solar plateau near the Winter Solstice. With 167 days until the Winter Solstice on December 21, Sai Kung is currently in its Summer season.
Golden Hour & Twilight Windows in Sai Kung
For photographers, filmmakers, and outdoor enthusiasts, the morning golden hour in Sai Kung runs from N/A to 6:17 AM. The evening golden hour begins at 6:40 PM and lasts until 7:12 PM.
Civil twilight—when there is still sufficient ambient light to see clearly outdoors—begins at N/A. Near the equator, Sai Kung's daylight stays remarkably stable year-round, deviating very little from the annual average.
Solar Noon & UV Index
Solar noon in Sai Kung falls exactly at 12:28 PM, which is the moment the sun reaches its peak altitude of -10.78 above the horizon. At this specific time, the solar angle produces a relatively low UV exposure day for Sai Kung, typical of its Summer season.
Why Does Sunrise Shift in Sai Kung?
At Sai Kung's latitude of 22.3822489°, the sun currently rises at an azimuth of 480.10° (ESE). Because of the Earth's axial tilt, this position shifts slightly every day. Sunrise and sunset times for Sai Kung are calculated using advanced solar algorithms (SunCalc) based on coordinates 22.3822489, 114.2728277. Times are mathematically accurate to ±30 seconds.
Historical Sunrise in Sai Kung (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 Sai Kung versus 1 year and 5 years ago:
| Year | Sunrise | Sunset | Daylight |
|---|---|---|---|
| Today | 5:45 AM | 7:12 PM | 13h 27m |
| 2025 | 5:45 AM | 7:12 PM | 13h 26m |
| 2021 | 5:45 AM | 7:12 PM | 13h 26m |
Frequently Asked Questions
What time does the sun rise in Sai Kung today?
In Sai Kung, the sun rises at exactly 5:45 AM and sets at 7:12 PM today. This gives the city a total of 13h 27m of daylight.
When is golden hour in Sai Kung today?
Today, morning golden hour in Sai Kung runs from N/A to 6:17 AM. Evening golden hour begins at 6:40 PM and lasts until 7:09 PM.
Why does sunrise in Sai Kung shift every day?
At Sai Kung's latitude, the sun currently rises at an azimuth of 480.10° (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 Sai Kung at solar noon?
Solar noon occurs at 12:28 PM when the sun reaches -10.78. This produces a relatively low UV exposure day for Sai Kung, typical of its Summer season.
Has the sunrise time in Sai Kung 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 5:45 AM, and five years ago in 2021, it was at 5:45 AM.