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Next»Current Local Time in Boulder, Colorado, United States is 14:53:00
CST-Central Standard Time UTC-06:00 hours
Sunday, Aug 17 2025, week - 33, 229th day of year, Daylight saving is active
CST timezone converter
Weather:88.59°F/31.44°C/304.59K Clear skyFind time in other cities around the world:
Boulder Weather
| Current Temperature in Boulder | 88.59°F/31.44°C/304.59K |
| Feels like | 85.44°F/29.69°C/302.84K |
| Boulder Humidity Percentage | 24% |
| Atmospheric Pressure in Boulder | 1009 hPa |
| Wind Speed in Boulder | 3.6 Miles Per Hour |
| Wind Direction in Boulder | 110 Degrees |
Boulder Time Zone
| Boulder Time Zone | Central Standard Time |
| Time Zone Abbreviation | CST |
| UTC Offset for Central Standard Time | -6 Hours |
| Is CST a Standard Time Zone? | Yes |
| Current Local Time in Boulder | 2025-08-17 14:53:00 |
Daylight Saving Time in Boulder
| Is Daylight Saving Time active now in Boulder? | Yes |
| Boulder Summer Time Zone | CST |
| Boulder Winter Time Zone | CDT |
| Daylight Time Start Date | Sunday, 12 March 2023, 02:00 AM |
| Daylight Time End Date | Sunday, 05 November 2023, 02:00 AM |
| UTC Offset for DST | -6 Hours |
| UTC Offset during winter | -7 Hours |
Twilights in Boulder today
| Civil Twilight Start Time | 2025-08-17 05:47:10 |
| Civil Twilight End Time | 2025-08-17 20:24:10 |
| Nautical Twilight Start Time | 2025-08-17 05:12:17 |
| Nautical Twilight End Time | 2025-08-17 20:58:53 |
| Astronomical Twilight Start Time | 2025-08-17 04:35:07 |
| Astronomical Twilight End Time | 2025-08-17 21:35:51 |
Boulder: Sunrise Time & Sunset Time
| Sunrise Time in Boulder | 2025-08-17 06:15:44 |
| Sunset Time in Boulder | 2025-08-17 19:55:42 |
| Noon Time in Boulder | 2025-08-17 13:06:03 |
| Duration of the daytime today in Boulder | 13 Hours-39 Minutes-58 Seconds |
Boulder: Moonrise Time & Moonset Time
| Moonrise Time Today in Boulder | 2025-08-17 00:01:23 |
| Moonset Time Today in Boulder | 2025-08-17 16:06:12 |
Boulder: Moon Phases
| New moon day | 2025-08-23 00:07:28 |
| Full moon day | 2025-08-09 01:55:59 |
| First Quarter of Moon | 2025-08-01 06:42:16 |
| Last Quarter of Moon | 2025-08-15 23:13:10 |
Calendar Today
| Day of the week | Sunday |
| Month of the year | August |
| Number of days in this month | 31 |
| Day of the year | 228 |
| Week of the year | 33 |
| Number of Seconds from Epoch | 1755463980 Seconds |
About Boulder
| Name of the City | Boulder, Colorado, United States |
| Boulder, Gunbarrel, Superior, Louisville, Niwot, Coal Creek, Lafayette, Broomfield, Erie, Nederland, Longmont, Lyons, Westminster, Northglenn, Arvada, Golden, Dacono, Federal Heights, Frederick, Applewood | |
| Two Letter Country code of United States (ISO 3166-1 alpha-2) | US |
| Three letter Country code of United States (ISO 3166-1 alpha-3) | USA |
| Boulder Latitude | 40.0149900 |
| Boulder Longitude | -105.2705500 |
| Boulder Elevation | 1624 meter |
| Alternates Names for Boulder in Vernacular Languages | Bolder,Boulder,Bouldur,WBU,ba'uldara,bo er de,boldara,bolde xr,boldeo,boruda ,bwldr klradw,bwldr kwlwradw,Болдер,Боулдер,Боулдър,ب ولدر، كولورادو,بولدر، کلرادو,बाउल्डर, बोल्डर,โบลเดอร์,ボルダー,博爾德,볼더 |
| Converters related to time | CST to EST | CST to MST | CST to PST | CST to GMT | CST to CET | CST to SGT | CST to AEST | CST to HKT | CST to IST | EST to CST | MST to CST | PST to CST | GMT to CST | CET to CST | SGT to CST | AEST to CST | HKT to CST | IST to CST |
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