Today in Hiiu County, Estonia, the sun rises at 4:45 AM and sets at 10:27 PM, giving the city exactly 17h 42m of daylight. That is 4 minutes shorter than yesterday—losing 4 minutes of daylight each day. With 158 days until the Winter Solstice on December 21, Hiiu County is currently in its Summer season.
Golden Hour & Twilight Windows in Hiiu County
For photographers, filmmakers, and outdoor enthusiasts, the morning golden hour in Hiiu County runs from N/A to 5:54 AM. The evening golden hour begins at 9:18 PM and lasts until 10:27 PM.
Civil twilight—when there is still sufficient ambient light to see clearly outdoors—begins at N/A. At its temperate latitude, Hiiu County experiences strong seasonal contrast. Today's 17h 42m of daylight differs significantly from its winter minimum.
Solar Noon & UV Index
Solar noon in Hiiu County falls exactly at 1:36 PM, which is the moment the sun reaches its peak altitude of 49.56 above the horizon. At this specific time, the solar angle produces very high UV, typical of Hiiu County in Summer. SPF 30+ is advisable for anyone spending more than 20 minutes outside.
Why Does Sunrise Shift in Hiiu County?
At Hiiu County's latitude of 58.9°, the sun currently rises at an azimuth of 31.06° (NNE). Because of the Earth's axial tilt, this position shifts slightly every day. Sunrise and sunset times for Hiiu County are calculated using advanced solar algorithms (SunCalc) based on coordinates 58.9, 22.65. Times are mathematically accurate to ±30 seconds.
Historical Sunrise in Hiiu County (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 Hiiu County versus 1 year and 5 years ago:
| Year | Sunrise | Sunset | Daylight |
|---|---|---|---|
| Today | 4:45 AM | 10:27 PM | 17h 42m |
| 2025 | 4:45 AM | 10:27 PM | 17h 41m |
| 2021 | 4:45 AM | 10:27 PM | 17h 41m |
Frequently Asked Questions
What time does the sun rise in Hiiu County today?
In Hiiu County, the sun rises at exactly 4:45 AM and sets at 10:27 PM today. This gives the city a total of 17h 42m of daylight.
When is golden hour in Hiiu County today?
Today, morning golden hour in Hiiu County runs from N/A to 5:54 AM. Evening golden hour begins at 9:18 PM and lasts until 10:21 PM.
Why does sunrise in Hiiu County shift every day?
At Hiiu County's latitude, the sun currently rises at an azimuth of 31.06° (NNE). Because of Earth's tilt, the city is losing 4 minutes of daylight each day until the Winter Solstice on December 21.
What is the UV Index in Hiiu County at solar noon?
Solar noon occurs at 1:36 PM when the sun reaches 49.56. This produces very high UV, typical of Hiiu County in Summer. SPF 30+ is advisable for anyone spending more than 20 minutes outside.
Has the sunrise time in Hiiu County 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 4:45 AM, and five years ago in 2021, it was at 4:45 AM.