Current local time in Boulder, CO
| 16 September 2026 | |
|---|---|
| Sunrise: | 06:43:03 |
| Sunset: | 19:08:05 |
| Transit: | 12:55:34 |
| Length of daytime: |
12h 25m 02s |
| Twilight | Begins | Ends | Length |
|---|---|---|---|
| Civil | 06:16:00 | 19:35:08 | 13h 19m 08s |
| Nautical | 05:44:06 | 20:07:02 | 14h 22m 56s |
| Astronomical | 05:11:27 | 20:39:41 | 15h 28m 14s |
| City | Region | Country |
|---|---|---|
| Boulder | Colorado | United States |
| Coordinates | Latitude | Longitude |
| DMS: | 39° 58′ 00″ N | 105° 12′ 32″ W |
| Decimal: | 39.9668 | -105.209 |
| Timezone: | ||
| UTC offset: UTC-6:00 | ||
| Daylight Saving Time: Yes | ||
| MDT Mountain Daylight Time (North America) | ||
| America/Denver | ||
| Rise | Set | Length | |
|---|---|---|---|
| Yesterday | 06:42:07 | 19:09:45 | 12h 27m 38s |
| Tomorrow | 06:43:59 | 19:06:26 | 12h 22m 27s |
Neighborhood of Boulder, CO
Erie, CO, Arvada, CO, Lafayette, CO, Pinecliffe, CO, Broomfield, CO, Louisville, CO, Niwot, CO, Denver, CO, Hygiene, CO, Longmont, COLocations in United States
Houston, TX, Philadelphia, PA, Jacksonville, FL, El Paso, TX, Seattle, WA, Tucson, AZ, Las Vegas, NV, Albuquerque, NM, Colorado Springs, CO, Santa Ana, CAOther Cities
Seoul,Korea Republic of; London,United Kingdom; Lahore,Pakistan; Berlin,Germany; Madrid,Spain; Inchon,Korea Republic of; La Habana,Cuba; Fortaleza,Brazil; Houston,AK,United States; Kabul,Afghanistan; Fuzhou,China; Kaohsiung,Taiwan; Novosibirsk,Russian Federation;
