First Day of Autumn in Southglenn
United States — September 1, 2026
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until First Day of Autumn on September 1, 2026
64% elapsed
131 days remaining
Southglenn
10:40:36
America/Denver
GMT / UTC
16:40:36
Etc/UTC
Mecca
19:40:36
UTC+3
About First Day of Autumn
Meteorological start of autumn on September 1, marking the transition from summer to cooler months.
Southglenn Quick Facts
- Country
- 🇺🇸 United States
- Timezone
- America/Denver
- Population
- 42,268
- Coordinates
- 39.5872, -104.9528
Sun Times Today in Southglenn
Sunrise
06:11
Solar Noon
12:58
Sunset
19:44
Golden Hour
19:08
Daylight
13h 33m
Local time
Prayer Times Today in Southglenn
| Prayer | Time (Local) |
|---|---|
| Fajr | 04:32 |
| Sunrise | 06:11 |
| Dhuhr | 12:58 |
| Asr | 16:44 |
| 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 Autumn in Southglenn?
- First Day of Autumn in Southglenn falls on Tuesday, September 1, 2026.
- What timezone is Southglenn in?
- Southglenn is in the America/Denver timezone.