Sun Times in Castro Urdiales
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Frequently Asked Questions
What time is sunrise in Castro Urdiales?
Sunrise in Castro Urdiales on Tuesday, August 18, 2026 is at 6:35 AM (America/Mexico_City). This time is calculated from the city's coordinates.
What time is sunset in Castro Urdiales?
Sunset in Castro Urdiales on Tuesday, August 18, 2026 is at 7:21 PM (America/Mexico_City). This time is calculated from the city's coordinates.
When is golden hour in Castro Urdiales?
Morning golden hour in Castro Urdiales ends at 7:05 AM. Evening golden hour starts at 6:51 PM.
How long is the day in Castro Urdiales?
On Tuesday, August 18, 2026 in Castro Urdiales there are 12 hours and 45 minutes of daylight between sunrise and sunset.
What time is the sun at its highest point in Castro Urdiales?
The sun reaches its highest point (solar noon) in Castro Urdiales at 12:58 PM (America/Mexico_City). This is when the sun crosses the meridian and shadows are at their shortest.
What time does it get dark in Castro Urdiales?
In Castro Urdiales, sunset is at 7:21 PM and it gets fully dark (astronomical dusk) at 8:38 PM (America/Mexico_City). Civil twilight ends at 7:44 PM when outdoor activities need artificial light.
How long does twilight last in Castro Urdiales?
Twilight in Castro Urdiales lasts approximately 77 minutes from sunset to full darkness (astronomical dusk). This includes civil twilight, nautical twilight, and astronomical twilight.
What is the earliest sunrise of the year in Castro Urdiales?
The earliest sunrise in Castro Urdiales in 2026 is at 6:13 AM on June 4 (America/Mexico_City). This occurs around the summer solstice when days are longest.
What is the latest sunset of the year in Castro Urdiales?
The latest sunset in Castro Urdiales in 2026 is at 7:40 PM on July 1 (America/Mexico_City). This occurs shortly after the summer solstice.
What time does it actually get dark after sunset in Castro Urdiales?
After sunset at 7:21 PM in Castro Urdiales, civil twilight ends at 7:44 PM — about 23 minutes later — when the sky becomes too dark for outdoor activities without artificial light. Full darkness (astronomical dusk) arrives at 8:38 PM (America/Mexico_City).
What these times mean
Solar times in Castro Urdiales shift throughout the year. Each stage of the day brings distinct light that photographers, outdoor planners, and everyday users rely on.
- Dawn
- The first usable twilight before sunrise, when the horizon brightens and color gradually returns to the sky.
- Sunrise
- The moment the upper edge of the sun appears above the horizon, starting direct daylight.
- Golden Hour
- The low-angle window just after sunrise and just before sunset, producing warm, soft light favored by photographers.
- Sunset
- The moment the upper edge of the sun drops below the horizon, ending direct sunlight for the day.
- Dusk
- The fading twilight after sunset, ending with astronomical dusk when the sky becomes fully dark.
Monthly daylight in Castro Urdiales
Sunrise, sunset, and total daylight in Castro Urdiales on the 15th of each month for 2026. Times reflect the city's local timezone.
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:34 AM | 6:35 PM | 11h 01m |
| February | 7:24 AM | 6:54 PM | 11h 29m |
| March | 7:03 AM | 7:04 PM | 12h 01m |
| April | 6:36 AM | 7:14 PM | 12h 37m |
| May | 6:18 AM | 7:25 PM | 13h 07m |
| June | 6:14 AM | 7:37 PM | 13h 23m |
| July | 6:23 AM | 7:39 PM | 13h 16m |
| August | 6:34 AM | 7:24 PM | 12h 50m |
| September | 6:42 AM | 6:57 PM | 12h 15m |
| October | 6:50 AM | 6:31 PM | 11h 41m |
| November | 7:05 AM | 6:14 PM | 11h 09m |
| December | 7:23 AM | 6:17 PM | 10h 54m |
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