Location
Boulder, United States
Current local time
Time in Boulder Now
Current local time in Boulder, United States with accurate time zone details, MDT (UTC-6). Check today’s sunrise and sunset times on findtime.io.
Time zone
MDT | UTC-6
IANA zone
America/Denver
Population
106,803
Use this Boulder time page to check timezone details, plan calls, and compare meeting times with cities around the world.
Frequently Asked Questions about Boulder
Time-sensitive answers as of 2026-10-23 11:03 UTC. Open the live clock for the latest timezone information.
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. Right now, Boulder uses Mountain Daylight Time (MDT) | UTC-6, and the display updates automatically.
What time zone does Boulder use?
Boulder uses Mountain Daylight Time (MDT) | UTC-6. During standard time, the city uses Mountain Standard Time (MST) | UTC-7. During daylight saving time, it uses Mountain Daylight Time (MDT) | UTC-6. The IANA timezone identifier is America/Denver.
What is the UTC offset for Boulder?
The current UTC offset for Boulder is shown as UTC-6. If the city observes daylight saving time, this offset can change during the year.
What does the time abbreviation mean in Boulder?
MDT is the short label for the current local timezone used in Boulder. The full timezone label and UTC offset are shown on this page so you do not have to rely on the abbreviation alone.
Is Boulder on Daylight Saving Time today?
Yes, Boulder is on Daylight Saving Time today. It is using Mountain Daylight Time (MDT) | UTC-6, and the offset can change around clock-change dates.
When does the time change in Boulder?
Boulder has clock changes in 2026: March 8, 2026 at 3:00 AM local time and November 1, 2026 at 1:00 AM local time. Use the live clock on this page for the current abbreviation and UTC offset.
What is the time difference between Boulder and my location?
The time difference depends on your own timezone and the date. Use the live comparison tools on findtime.io to compare your location with Boulder; the result will account for daylight saving time and the selected meeting date.
What is the best time to call or meet someone in Boulder?
For most business calls, aim for 9:00 AM to 5:00 PM in Boulder, using Mountain Daylight Time (MDT) | UTC-6. The findtime.io meeting planner shows overlap between your working hours and Boulder working hours and adjusts for Daylight Saving Time on the selected date.
How do I convert Boulder time to another city?
Use the findtime.io time converter, enter the time in Boulder, then choose the comparison city. The converter uses Mountain Daylight Time (MDT) | UTC-6 and applies the correct Daylight Saving Time rule for the selected date.
Why does Boulder's UTC offset change during the year?
Boulder changes offset when daylight saving time starts or ends. That is why the same city can use one UTC offset during standard time and another during daylight time.
