Phoenix to New Castle, CO, USA Time Converter
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Quick answers
Selected conversion
5:00 am05:00 MST (UTC-7), Oct 27, 2026 = 6:00 am06:00 MDT (UTC-6), Oct 27, 2026
Phoenix is 1 hour behind New Castle.
How the time difference changes
For most of the year, Phoenix is 1 hour behind New Castle, CO, USA. From Nov 1, 2026 to Mar 14, 2027, Phoenix and New Castle, CO, USA have the same time.
For most of the year, working hours of 9:00 am to 6:00 pm in Phoenix correspond to 10:00 am to 7:00 pm in New Castle, CO, USA. At other times of the year, working hours of 9:00 am to 6:00 pm in Phoenix correspond to 9:00 am to 6:00 pm in New Castle, CO, USA.For most of the year, working hours of 09:00 to 18:00 in Phoenix correspond to 10:00 to 19:00 in New Castle, CO, USA. At other times of the year, working hours of 09:00 to 18:00 in Phoenix correspond to 09:00 to 18:00 in New Castle, CO, USA.
Compare Phoenix time with New Castle time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
MST (Mountain Standard Time) is 1 hour behind MDT (Mountain Daylight Time).
5:00 am05:00 in Phoenix, AZ, USA is 6:00 am06:00 in New Castle, CO, USA
Phoenix to New Castle call time
Best time for a conference call or a meeting is between 9am-5pm09:00-17:00 in Phoenix which corresponds to 10am-6pm10:00-18:00 in New Castle
5:00 am05:00 MST (Mountain Standard Time) (Phoenix, AZ, USA). Offset UTC -7:00 hours
6:00 am06:00 MDT (Mountain Daylight Time) (New Castle, CO, USA). Offset UTC -6:00 hours
5:00 am05:00 Phoenix, AZ, USA / 6:00 am06:00 New Castle, CO, 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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Phoenix Time Zone and Facts
Time Zone
Phoenix Facts
New Castle Time Zone and Facts
Time Zone
MST – Mountain Standard Time, UTC-7 (standard time)