Today in Castelo Branco, Portugal, the sun rises at 6:09 AM and sets at 9:02 PM, giving the city exactly 14h 53m 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, Castelo Branco is currently in its Summer season.
Golden Hour & Twilight Windows in Castelo Branco
For photographers, filmmakers, and outdoor enthusiasts, the morning golden hour in Castelo Branco runs from N/A to 6:49 AM. The evening golden hour begins at 8:22 PM and lasts until 9:02 PM.
Civil twilight—when there is still sufficient ambient light to see clearly outdoors—begins at N/A. Castelo Branco sits in the subtropics, where the annual swing in daylight is moderate.
Solar Noon & UV Index
Solar noon in Castelo Branco falls exactly at 1:35 PM, which is the moment the sun reaches its peak altitude of 71.11 above the horizon. At this specific time, the solar angle produces an extreme UV level for Castelo Branco. Outdoor work during solar noon carries real sunburn risk within 10 minutes of unprotected exposure.
Why Does Sunrise Shift in Castelo Branco?
At Castelo Branco's latitude of 39.9767583°, the sun currently rises at an azimuth of 334.33° (NNW). Because of the Earth's axial tilt, this position shifts slightly every day. Sunrise and sunset times for Castelo Branco are calculated using advanced solar algorithms (SunCalc) based on coordinates 39.9767583, -7.4460599. Times are mathematically accurate to ±30 seconds.
Historical Sunrise in Castelo Branco (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 Castelo Branco versus 1 year and 5 years ago:
| Year | Sunrise | Sunset | Daylight |
|---|---|---|---|
| Today | 6:09 AM | 9:02 PM | 14h 53m |
| 2025 | 6:09 AM | 9:02 PM | 14h 53m |
| 2021 | 6:09 AM | 9:02 PM | 14h 53m |
Frequently Asked Questions
What time does the sun rise in Castelo Branco today?
In Castelo Branco, the sun rises at exactly 6:09 AM and sets at 9:02 PM today. This gives the city a total of 14h 53m of daylight.
When is golden hour in Castelo Branco today?
Today, morning golden hour in Castelo Branco runs from N/A to 6:49 AM. Evening golden hour begins at 8:22 PM and lasts until 8:59 PM.
Why does sunrise in Castelo Branco shift every day?
At Castelo Branco's latitude, the sun currently rises at an azimuth of 334.33° (NNW). 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 Castelo Branco at solar noon?
Solar noon occurs at 1:35 PM when the sun reaches 71.11. This produces an extreme UV level for Castelo Branco. Outdoor work during solar noon carries real sunburn risk within 10 minutes of unprotected exposure.
Has the sunrise time in Castelo Branco 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 6:09 AM, and five years ago in 2021, it was at 6:09 AM.