Sun Times in Castle Rock
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Frequently Asked Questions
What time is sunrise in Castle Rock?
Sunrise in Castle Rock on Monday, August 17, 2026 is at 6:13 AM (America/Los_Angeles). This time is calculated from the city's coordinates.
What time is sunset in Castle Rock?
Sunset in Castle Rock on Monday, August 17, 2026 is at 8:17 PM (America/Los_Angeles). This time is calculated from the city's coordinates.
When is golden hour in Castle Rock?
Morning golden hour in Castle Rock ends at 6:54 AM. Evening golden hour starts at 7:35 PM.
How long is the day in Castle Rock?
On Monday, August 17, 2026 in Castle Rock there are 14 hours and 3 minutes of daylight between sunrise and sunset.
What time is the sun at its highest point in Castle Rock?
The sun reaches its highest point (solar noon) in Castle Rock at 1:15 PM (America/Los_Angeles). This is when the sun crosses the meridian and shadows are at their shortest.
What time does it get dark in Castle Rock?
In Castle Rock, sunset is at 8:17 PM and it gets fully dark (astronomical dusk) at 10:13 PM (America/Los_Angeles). Civil twilight ends at 8:49 PM when outdoor activities need artificial light.
How long does twilight last in Castle Rock?
Twilight in Castle Rock lasts approximately 117 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 Castle Rock?
The earliest sunrise in Castle Rock in 2026 is at 5:19 AM on June 9 (America/Los_Angeles). This occurs around the summer solstice when days are longest.
What is the latest sunset of the year in Castle Rock?
The latest sunset in Castle Rock in 2026 is at 9:07 PM on June 20 (America/Los_Angeles). This occurs shortly after the summer solstice.
What time does it actually get dark after sunset in Castle Rock?
After sunset at 8:17 PM in Castle Rock, civil twilight ends at 8:49 PM — about 32 minutes later — when the sky becomes too dark for outdoor activities without artificial light. Full darkness (astronomical dusk) arrives at 10:13 PM (America/Los_Angeles).
What these times mean
Solar times in Castle Rock 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 Castle Rock
Sunrise, sunset, and total daylight in Castle Rock on the 15th of each month for 2026. Times reflect the city's local timezone.
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:50 AM | 4:52 PM | 9h 02m |
| February | 7:14 AM | 5:37 PM | 10h 23m |
| March | 7:23 AM | 7:17 PM | 11h 54m |
| April | 6:24 AM | 7:59 PM | 13h 35m |
| May | 5:38 AM | 8:38 PM | 15h 00m |
| June | 5:19 AM | 9:05 PM | 15h 46m |
| July | 5:34 AM | 8:59 PM | 15h 25m |
| August | 6:10 AM | 8:20 PM | 14h 10m |
| September | 6:49 AM | 7:22 PM | 12h 33m |
| October | 7:29 AM | 6:24 PM | 10h 56m |
| November | 7:13 AM | 4:38 PM | 9h 26m |
| December | 7:47 AM | 4:25 PM | 8h 38m |
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