New Castle, CO, USA to Phoenix Time Converter
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Quick answers
Selected conversion
6:00 am06:00 MDT (UTC-6), Oct 26, 2026 = 5:00 am05:00 MST (UTC-7), Oct 26, 2026
New Castle is 1 hour ahead of Phoenix.
How the time difference changes
For most of the year, New Castle, CO, USA is 1 hour ahead of Phoenix. From Nov 1, 2026 to Mar 14, 2027, New Castle, CO, USA and Phoenix have the same time.
For most of the year, working hours of 9:00 am to 6:00 pm in New Castle, CO, USA correspond to 8:00 am to 5:00 pm in Phoenix. At other times of the year, working hours of 9:00 am to 6:00 pm in New Castle, CO, USA correspond to 9:00 am to 6:00 pm in Phoenix.For most of the year, working hours of 09:00 to 18:00 in New Castle, CO, USA correspond to 08:00 to 17:00 in Phoenix. At other times of the year, working hours of 09:00 to 18:00 in New Castle, CO, USA correspond to 09:00 to 18:00 in Phoenix.
Compare New Castle time with Phoenix time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
MDT (Mountain Daylight Time) is 1 hour ahead of MST (Mountain Standard Time).
6:00 am06:00 in New Castle, CO, USA is 5:00 am05:00 in Phoenix, AZ, USA
New Castle to Phoenix call time
Best time for a conference call or a meeting is between 10am-6pm10:00-18:00 in New Castle which corresponds to 9am-5pm09:00-17:00 in Phoenix
6:00 am06:00 MDT (Mountain Daylight Time) (New Castle, CO, USA). Offset UTC -6:00 hours
5:00 am05:00 MST (Mountain Standard Time) (Phoenix, AZ, USA). Offset UTC -7:00 hours
6:00 am06:00 New Castle, CO, USA / 5:00 am05:00 Phoenix, AZ, USA
Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.
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New Castle Time Zone and Facts
Time Zone
MST – Mountain Standard Time, UTC-7 (standard time)