First Day of Winter in Boulder
United States — December 1, 2026
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until First Day of Winter on December 1, 2026
39% elapsed
224 days remaining
Boulder
04:50:32
America/Denver
GMT / UTC
10:50:32
Etc/UTC
Mecca
13:50:32
UTC+3
About First Day of Winter
Meteorological start of winter on December 1, marking the beginning of the coldest season.
Boulder Quick Facts
- Country
- 🇺🇸 United States
- Timezone
- America/Denver
- Population
- 106,803
- Coordinates
- 40.015, -105.2706
Sun Times Today in Boulder
Sunrise
06:14
Solar Noon
12:59
Sunset
19:44
Golden Hour
19:08
Daylight
13h 29m
Local time
Prayer Times Today in Boulder
| Prayer | Time (Local) |
|---|---|
| Fajr | 04:35 |
| Sunrise | 06:14 |
| Dhuhr | 12:59 |
| Asr | 16:45 |
| Maghrib | 19:44 |
| Isha | 21:17 |
Based on MWL calculation method. Local time.
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Frequently Asked Questions
- When is First Day of Winter in Boulder?
- First Day of Winter in Boulder falls on Tuesday, December 1, 2026.
- What timezone is Boulder in?
- Boulder is in the America/Denver timezone.