Understanding EST to Arizona Time Conversion
Converting between Eastern Standard Time (EST) and Arizona Time can be tricky due to Daylight Saving Time (DST) differences. While most of the Eastern Time Zone observes DST, Arizona (except for the Navajo Nation) remains on Mountain Standard Time (MST) year-round.
During Standard Time (Winter)
Eastern Standard Time (EST) is 2 hours ahead of Arizona Time (MST).
During Daylight Saving Time (Summer)
Eastern Daylight Time (EDT) is 3 hours ahead of Arizona Time (MST).
Business Communication
When scheduling meetings between the East Coast and Arizona, remember the time difference varies seasonally. During standard time, schedule a 2 PM EST meeting as 12 PM in Arizona. During DST, a 2 PM EDT meeting would be 11 AM in Arizona.
Travel Planning
When traveling between these time zones, adjust your schedule accordingly. A flight departing at 2 PM from New York will arrive in Arizona at a local time that's either 2 or 3 hours earlier, depending on the season.
Time Zone Facts
- Arizona is one of the few U.S. states that doesn't observe Daylight Saving Time (except for the Navajo Nation).
- The Eastern Time Zone covers about 50% of the U.S. population and includes major cities like New York, Washington D.C., and Miami.
- Arizona stays on Mountain Standard Time (MST) year-round, which is equivalent to PDT during summer months.
- The time difference between EST and Arizona changes twice a year when the Eastern Time Zone switches between EST and EDT.
- During standard time (winter months), the time difference is 2 hours. During DST (summer months), it's 3 hours.