09:57 9:57 AM
Mountain Daylight Time · UTC-6
🇺🇸 Casper, WY, United States · Daytime
Time in Casper, WY
55
- MDT
- UTC-6
- America/Denver
Your location
- Sunrise
- 07:23
- Sunset
- 18:19
- Daylight
- 10 h 57 min
The day in Casper, WY, hour by hour
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Casper, WY 09:57 9:57 AM You –:–
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Working hours
🇺🇸 Casper, WY
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
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Time in Casper, WY, in detail
- Time zone MDT Mountain Daylight Time
- UTC offset UTC-6 IANA zone America/Denver
- Daylight saving On summer time Clocks go back to UTC-7 on November 1, 2026 at 01:00 .
- Sunrise 07:23 Solar noon at 12:51
- Sunset 18:19 10 h 57 min of daylight
- People on this clock 58,763 United States
- Coordinates 42.85°, -106.33° Sunrise and sunset are calculated from this position.
Time in Casper, WY: common questions
Which time zone does Casper, WY, use?
Clocks in Casper follow Mountain Daylight Time (America/Denver), currently UTC−6.
Which UTC offset does Casper, WY, use?
Casper uses UTC−7 in standard time and UTC−6 in summer time – currently UTC−6.
Do the clocks change in Casper, WY?
Yes, the clocks in Casper switch between UTC−7 and UTC−6. Next change: November 1, 2026, when clocks go back to standard time (UTC−7).
How long is the day in Casper, WY, today?
On October 18 there are 10 hours and 57 minutes of daylight in Casper: the sun rises at 7:21 AM and sets at 6:18 PM.
Which countries and territories share the time zone of Casper, WY?
Right now the clocks show the same time (UTC−6) in Mexico, in Guatemala, in Honduras, in Nicaragua, in El Salvador, in Costa Rica, and in Belize.
What is the time difference between Casper, WY, and Lisbon, Chiang Mai, or Ubud?
Compared with Casper, Lisbon is 7 hours ahead, Chiang Mai is 13 hours ahead, and Ubud is 14 hours ahead.
