Time in Boulder, United States now

00:38:17

MidnightSaturday, August 15, 2026Week 33Today: Chant at the Moon Day

Key facts

TimezoneAmerica/Denver

AbbreviationMDT

UTC offsetGMT-6

Unix time1786775897

UTC time2026-08-15T06:38:17.688Z

Current year2026

CountryUnited States

Latitude40.014986

Longitude-105.270546

Day of weekSaturday

Day of year227

Week number33

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Boulder on the map

Boulder is a city in Colorado, United States.
Latitude: 40.0150. Longitude: -105.2705
Timezone: America/Denver

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Time zone info for Boulder

UTC-6

America/Denver

Boulder follows America/Denver. The local time is shown using live browser time, refreshed every second.

Methodology and trust

About this Boulder time page

This Boulder page combines live clock output with timezone, offset, holiday, and daylight context so the page is useful beyond a single timestamp.

Last reviewedJune 28, 2026

Template logic, page copy, and trust notes were reviewed manually in the current rollout.

Time and DST sourceAmerica/Denver

Displayed local time follows the IANA timezone identifier assigned to this page and updates live in the browser.

Weather and solar layerOpen-Meteo + coordinate calculations

Weather context uses Open-Meteo. Sunrise, sunset, and day-length details are shown as informational timing context.

Holiday coverageUS holiday dataset

Calendar and next-holiday data use normalized HolidayFinder coverage with a date-holidays fallback. Regional holiday matches can also include Colorado where source coverage is available.

Read the full editorial methodology and data sources, see who publishes the site, or send corrections through the contact page.

Live conditions

Weather in Boulder now

ConditionLive weather

TemperatureLoads instantly in the browser

Feels likeLive

HumidityLive

WindLive

GustsLive

LightDay or night

Map sceneWeather-aware

Sunrise, sunset, day length and solar time for Boulder

Sunrise: 05:12
Sunset: 18:48
Day length: 13h 35m
Solar noon: 12:00
The solar values are estimated from latitude and day of year.

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