Autumn Equinox in Castle Rock
United States — September 23, 2026
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Days
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Hours
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Minutes
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Seconds
until Autumn Equinox on September 23, 2026
58% elapsed
153 days remaining
Castle Rock
20:06:27
America/Denver
GMT / UTC
02:06:27
Etc/UTC
Mecca
05:06:27
UTC+3
About Autumn Equinox
The moment when day and night are nearly equal in length, marking the start of autumn around September 22.
Based on solar calculation. Actual date may vary by local authority or moon sighting.
Castle Rock Quick Facts
- Country
- 🇺🇸 United States
- Timezone
- America/Denver
- Population
- 55,591
- Coordinates
- 39.3722, -104.8561
Sun Times Today in Castle Rock
Sunrise
06:11
Solar Noon
12:57
Sunset
19:44
Golden Hour
19:07
Daylight
13h 32m
Local time
Prayer Times Today in Castle Rock
| Prayer | Time (Local) |
|---|---|
| Fajr | 04:32 |
| Sunrise | 06:11 |
| Dhuhr | 12:57 |
| Asr | 16:44 |
| Maghrib | 19:44 |
| Isha | 21:16 |
Based on MWL calculation method. Local time.
Typical Weather
High
25.9°C
Low
5.9°C
Condition
Cloudy
Historical average for this date. Not a forecast.
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Frequently Asked Questions
- When is Autumn Equinox in Castle Rock?
- Autumn Equinox in Castle Rock falls on Wednesday, September 23, 2026.
- What timezone is Castle Rock in?
- Castle Rock is in the America/Denver timezone.