| Sunrise | Sunset | Daylight | |
|---|---|---|---|
| Today | 06:28 | 19:47 | 13h 19m |
| Tomorrow | 06:27 | 19:48 | 13h 21m |
| Change | −1m | +1m | +2m |
Positive change in sunset / daylight = days are getting longer. Negative change in sunrise = sun is rising earlier.
Today's light segments for Aspen, CO. Amber = daylight, violet = twilight, dark = night.
Sunrise and sunset on the 1st of each month in Aspen, CO.
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 07:27 | 16:55 | 9h 28m |
| February | 07:16 | 17:27 | 10h 11m |
| March | 06:42 | 17:59 | 11h 17m |
| April | 06:54 | 19:30 | 12h 36m |
| May | 06:11 | 20:00 | 13h 49m |
| June | 05:44 | 20:28 | 14h 44m |
| July | 05:45 | 20:38 | 14h 53m |
| August | 06:07 | 20:21 | 14h 14m |
| September | 06:36 | 19:41 | 13h 05m |
| October | 07:03 | 18:53 | 11h 50m |
| November | 07:35 | 18:09 | 10h 34m |
| December | 07:08 | 16:46 | 9h 38m |
Aspen, CO is located at 39.19°N, 106.82°W. Its latitude determines how dramatically daylight hours change through the year.
The city uses the America/Denver timezone (MDT). It observes Daylight Saving Time, so sunrise and sunset times shift by one hour in spring and autumn.
Solar noon — the moment the sun reaches its highest point in the sky — occurs when the sun crosses the local meridian. In Aspen, CO this falls around 13:06 in mid-summer and 11:57 in December, reflecting UTC offset and any DST adjustments.