EST to MST Time Converter

EST refers to the America/New_York timezone, currently --4 (GMT-4). MST refers to America/Denver, currently --6 (GMT-6). Timezone abbreviation meanings and offsets are calculated live from the IANA tz database, so Daylight Saving Time is always applied correctly.

Key Facts

• EST (America/New_York): current live offset --4.
• MST (America/Denver): current live offset --6.
• Time difference is computed from live IANA tzdb offsets and may shift by one hour during DST transitions.