Current time in
Boulder, United States
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Boulder time, compared side by side.
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About time in Boulder
Boulder has a population of around 106,803.
Boulder keeps UTC-7 during standard time and shifts to UTC-6 when daylight saving is in effect, so its offset from UTC changes twice a year. 82 other cities listed here keep the same time.
Daylight in Boulder ranges from about 9 hours 9 minutes at the December solstice to roughly 14 hours 51 minutes in June, a swing of about 5 hours 42 minutes.
The city lies at 40.01°N, 105.27°W in North America, which is what the sunrise, sunset and day-length figures above are calculated from.