Right now, local time in Boulder is 05:40 (MST, UTC-07:00), and today is Monday, November 2, 2026. The live clock above updates every second.
Boulder ranks #5837 worldwide by population and #328 in United States.
Time zone info
- Time zone
- America/Denver MST
- UTC offset
- UTC-07:00
- Daylight saving
- Yes, in force now ✅ — Clocks go forward by 1 hour on March 14, 2027
- Solar time
- Clocks run about 15m ahead of the sun
- ISO week
- Week 45
Sunrise, sunset & moon today
- Sunrise
- 06:32
- Sunset
- 16:59
- Day length
- 10h 27m
- Solar noon
- 11:45
- Daylight range
- 9h 19m (winter) – 15h 01m (summer)
- Moon phase
- 🌗 Last Quarter · 50% illuminated
Full sunrise & sunset timetable for Boulder — golden hour, twilight and month view →
📍 Location & geography
- Coordinates
- 40.0150° N, 105.2706° W
- Hemisphere
- Northern · Western
- Elevation
- 1,624 m above sea level — higher than about 98% of cities with a recorded elevation
- Region
- Colorado
- Country
- 🇺🇸 United States
- Population
- 106,803 · #5837 worldwide
🌍 Antipode — the opposite side of the Earth
Dig straight down from Boulder through the centre of the Earth and you surface on the far side of the planet, at the antipode.
- Antipode coordinates
- 40.01° S, 74.73° E
- Hemisphere
- Southern · Eastern
- What lies there
- Open ocean or remote wilderness — the nearest city we track is Port-aux-Français, French Southern Territories, 1,097 km away
- Through the Earth
- ≈ 12,742 km in a straight line (≈ 20,015 km along the surface)
🕌 Prayer times in Boulder today ISNA
- Fajr
- 05:15
- Sunrise
- 06:31
- Dhuhr
- 11:46
- Asr
- 14:34
- Maghrib
- 16:57
- Isha
- 18:13
- Qibla direction
- 34.7° from north (NE (35°))
Full prayer timetable for Boulder — this month, 7-day forecast and Qibla →
Boulder sits in the America/Denver time zone, UTC-07:00. The clocks are currently shifted forward for daylight saving time. Today brings 10h 27m of daylight, and nights are longer than days. It is one of the 17343 cities we cover in United States.
Boulder sits at 1624 m above sea level. Boulder's nearest major hub of the ones tracked below is Los Angeles, 1,327 km away; even Singapore lies some 14,549 km off. Its position on the globe is 40.01° N, 105.27° W, and the point on the exact opposite side of the Earth is described in the antipode section below.
Time difference with major cities
| Los Angeles | 04:40 | −1h |
| Chicago | 06:40 | +1h |
| São Paulo | 09:40 | +4h |
| London | 12:40 | +7h |
| Paris | 13:40 | +8h |
| Moscow | 15:40 | +10h |
| Dubai | 16:40 | +11h |
| Mumbai | 18:10 | +12h 30m |
| Singapore | 20:40 | +15h |
| Hong Kong | 20:40 | +15h |
| Tokyo | 21:40 | +16h |
| Sydney | 23:40 | +18h |
Best time to call Boulder
Standard business hours (9:00 – 17:00) in major hubs, expressed in Boulder local time:
Cities sharing Boulder's time zone
Other cities in United States
- New York City07:40
- Los Angeles04:40
- Brooklyn07:40
- Chicago06:40
- Queens07:40
- Houston06:40
- Phoenix05:40
- Philadelphia07:40
- San Antonio06:40
- Manhattan07:40
- San Diego04:40
- The Bronx07:40
Distances from Boulder
| Los Angeles | 1,327 km | WSW (244°) |
| Chicago | 1,493 km | ENE (76°) |
| London | 7,533 km | NE (40°) |
| Paris | 7,853 km | NE (42°) |
| Moscow | 8,803 km | NNE (20°) |
| Tokyo | 9,293 km | NW (312°) |
| São Paulo | 9,315 km | SE (128°) |
| Hong Kong | 11,969 km | NW (322°) |
| Dubai | 12,483 km | NNE (19°) |
| Sydney | 13,395 km | WSW (249°) |
| Mumbai | 13,448 km | N (2°) |
| Singapore | 14,549 km | NW (320°) |
Cities near Boulder
- Gunbarrel10 km · 05:40
- Superior11 km · 05:40
- Niwot13 km · 05:40
- Louisville13 km · 05:40
- Coal Creek15 km · 05:40
- Lafayette16 km · 05:40
- Broomfield19 km · 05:40
- Lyons23 km · 05:40
FAQ
What time is it in Boulder right now?
The live clock at the top of this page shows the current local time in Boulder (United States), updated every second. It is currently week 45.
What time zone is Boulder in?
Boulder runs on the America/Denver IANA time zone (UTC-07:00), currently abbreviated MST.
Does Boulder observe daylight saving time?
Yes — daylight saving time is in force right now. Clocks go forward by 1 hour on March 14, 2027.
What time is sunrise and sunset in Boulder today?
Boulder sees sunrise at 06:32 and sunset at 16:59 today, giving 10h 27m of daylight.
What moon phase is visible over Boulder tonight?
The moon phase over Boulder tonight is 🌗 Last Quarter with 50.0% illumination.
What is the antipode of Boulder?
The antipode of Boulder — the point on the exact opposite side of the Earth — lies at 40.01° S, 74.73° E. It falls in the ocean or a remote wilderness — the nearest city we track is Port-aux-Français, French Southern Territories, roughly 1,097 km away. The straight-line distance through the Earth is about 12,742 km.
How high above sea level is Boulder?
Boulder sits at about 1,624 m above sea level, higher than roughly 98% of cities with a recorded elevation.
What is solar time in Boulder?
Solar time follows the Sun's actual position, with solar noon when the Sun is highest in the sky. In Boulder, clocks run about 15 minutes ahead of local solar time, because the official time zone does not exactly match the Sun's position.