Phoenix to Cos Cob Time Converter
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Quick answers
Selected conversion
5:00 am05:00 MST (UTC-7), Oct 30, 2026 = 8:00 am08:00 EDT (UTC-4), Oct 30, 2026
Phoenix is 3 hours behind Cos Cob.
How the time difference changes
For most of the year, Phoenix is 3 hours behind Cos Cob. From Nov 1, 2026 to Mar 14, 2027, Phoenix is 2 hours behind Cos Cob.
For most of the year, working hours of 9:00 am to 6:00 pm in Phoenix correspond to 12:00 pm to 9:00 pm in Cos Cob. At other times of the year, working hours of 9:00 am to 6:00 pm in Phoenix correspond to 11:00 am to 8:00 pm in Cos Cob.For most of the year, working hours of 09:00 to 18:00 in Phoenix correspond to 12:00 to 21:00 in Cos Cob. At other times of the year, working hours of 09:00 to 18:00 in Phoenix correspond to 11:00 to 20:00 in Cos Cob.
Compare Phoenix time with Cos Cob 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 3 hours behind EDT (Eastern Daylight Time).
5:00 am05:00 in Phoenix, AZ, USA is 8:00 am08:00 in Cos Cob, CT, USA
Phoenix to Cos Cob call time
Best time for a conference call or a meeting is between 9am-3pm09:00-15:00 in Phoenix which corresponds to 12pm-6pm12:00-18:00 in Cos Cob
5:00 am05:00 MST (Mountain Standard Time) (Phoenix, AZ, USA). Offset UTC -7:00 hours
8:00 am08:00 EDT (Eastern Daylight Time) (Cos Cob, CT, USA). Offset UTC -4:00 hours
5:00 am05:00 Phoenix, AZ, USA / 8:00 am08:00 Cos Cob, CT, 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
Cos Cob Time Zone and Facts
Time Zone
EST – Eastern Standard Time, UTC-5 (standard time)