EST to MST
Convert Eastern Time — New York to Arizona Time — Phoenix (no DST) — fast, accurate, and daylight-saving aware.
When it's 9:00 AM in New York, it's 6:00 AM in Phoenix. Phoenix is 3 hours behind New York. Use the converter above to turn any EST time into MST, or scan the hour-by-hour table below for the full day.
EST to MST at a glance
Planning a meeting between New York and Phoenix
Planning a call between New York and Phoenix? The best overlap during a standard 9-to-5 workday runs 12:00 PM–5:00 PM EST (9:00 AM–2:00 PM MST). Aim for that window to reach both sides during business hours.
Hour-by-hour: New York to Phoenix
A full day mapped from EST to MST.
Frequently asked
Is Phoenix ahead of or behind New York?
Phoenix is 3 hours behind New York.
What is 12:00 PM EST in MST?
12:00 PM in New York is 9:00 AM in Phoenix.
Does this converter account for daylight saving time?
Yes. Conversions use the IANA time zone database, so EST and MST automatically reflect the correct daylight-saving offset for the current date.