Today in Castro Urdiales, Spain, the sun rises at 6:41 AM and sets at 9:56 PM, giving the city exactly 15h 15m of daylight. That is 1 minutes shorter than yesterday—just past its peak, losing daylight slowly. With 166 days until the Winter Solstice on December 21, Castro Urdiales is currently in its Summer season.
Golden Hour & Twilight Windows in Castro Urdiales
For photographers, filmmakers, and outdoor enthusiasts, the morning golden hour in Castro Urdiales runs from N/A to 7:24 AM. The evening golden hour begins at 9:13 PM and lasts until 9:56 PM.
Civil twilight—when there is still sufficient ambient light to see clearly outdoors—begins at N/A. Castro Urdiales sits in the subtropics, where the annual swing in daylight is moderate.
Solar Noon & UV Index
Solar noon in Castro Urdiales falls exactly at 2:18 PM, which is the moment the sun reaches its peak altitude of 68.77 above the horizon. At this specific time, the solar angle produces an extreme UV level for Castro Urdiales. Outdoor work during solar noon carries real sunburn risk within 10 minutes of unprotected exposure.
Why Does Sunrise Shift in Castro Urdiales?
At Castro Urdiales's latitude of 43.3843347°, the sun currently rises at an azimuth of 348.33° (NNW). Because of the Earth's axial tilt, this position shifts slightly every day. Sunrise and sunset times for Castro Urdiales are calculated using advanced solar algorithms (SunCalc) based on coordinates 43.3843347, -3.2162576. Times are mathematically accurate to ±30 seconds.
Historical Sunrise in Castro Urdiales (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 Castro Urdiales versus 1 year and 5 years ago:
| Year | Sunrise | Sunset | Daylight |
|---|---|---|---|
| Today | 6:41 AM | 9:56 PM | 15h 15m |
| 2025 | 6:41 AM | 9:56 PM | 15h 14m |
| 2021 | 6:41 AM | 9:56 PM | 15h 14m |
Frequently Asked Questions
What time does the sun rise in Castro Urdiales today?
In Castro Urdiales, the sun rises at exactly 6:41 AM and sets at 9:56 PM today. This gives the city a total of 15h 15m of daylight.
When is golden hour in Castro Urdiales today?
Today, morning golden hour in Castro Urdiales runs from N/A to 7:24 AM. Evening golden hour begins at 9:13 PM and lasts until 9:53 PM.
Why does sunrise in Castro Urdiales shift every day?
At Castro Urdiales's latitude, the sun currently rises at an azimuth of 348.33° (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 Castro Urdiales at solar noon?
Solar noon occurs at 2:18 PM when the sun reaches 68.77. This produces an extreme UV level for Castro Urdiales. Outdoor work during solar noon carries real sunburn risk within 10 minutes of unprotected exposure.
Has the sunrise time in Castro Urdiales 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 6:41 AM, and five years ago in 2021, it was at 6:41 AM.