ET to MST time zone converter

ET (UTC-04:00)
Eastern Time
01:39:00
Oct 19
  • 12
    AM
  • 1
    AM
  • 2
    AM
  • 3
    AM
  • 4
    AM
  • 5
    AM
  • 6
    AM
  • 7
    AM
  • 8
    AM
  • 9
    AM
  • 10
    AM
  • 11
    AM
  • 12
    PM
  • 1
    PM
  • 2
    PM
  • 3
    PM
  • 4
    PM
  • 5
    PM
  • 6
    PM
  • 7
    PM
  • 8
    PM
  • 9
    PM
  • 10
    PM
  • 11
    PM
MST (UTC-07:00)
Mountain Standard Time
22:39:00
Oct 18
  • 9
    PM
  • 10
    PM
  • 11
    PM
  • 12
    AM
  • 1
    AM
  • 2
    AM
  • 3
    AM
  • 4
    AM
  • 5
    AM
  • 6
    AM
  • 7
    AM
  • 8
    AM
  • 9
    AM
  • 10
    AM
  • 11
    AM
  • 12
    PM
  • 1
    PM
  • 2
    PM
  • 3
    PM
  • 4
    PM
  • 5
    PM
  • 6
    PM
  • 7
    PM
  • 8
    PM

This simple ET to MST time zone converter allows you to quickly and visually understand the time difference between ET (ET) and MST (MST).

2026-10-19: 1:39 AM ET

10:39 PM (-1) MST

ET: UTC-04:00 · MST: UTC-07:00

Just hover over the colored hour tiles, and you’ll instantly see the corresponding time in both zones. The time difference between ET and MST is 3 hours 0 minutes, with ET being ahead. For example, if it is 1:39 AM ET, the equivalent time in MST will be 10:39 PM (-1) MST.

ET to MST hour-by-hour

2026-10-19 · ET
Eastern TimeMountain Standard Time
00:00 EDT21:00 (-1) MST
00:30 EDT21:30 (-1) MST
01:00 EDT22:00 (-1) MST
01:30 EDT22:30 (-1) MST
02:00 EDT23:00 (-1) MST
02:30 EDT23:30 (-1) MST
03:00 EDT00:00 MST
03:30 EDT00:30 MST
04:00 EDT01:00 MST
04:30 EDT01:30 MST
05:00 EDT02:00 MST
05:30 EDT02:30 MST
06:00 EDT03:00 MST
06:30 EDT03:30 MST
07:00 EDT04:00 MST
07:30 EDT04:30 MST
08:00 EDT05:00 MST
08:30 EDT05:30 MST
09:00 EDT06:00 MST
09:30 EDT06:30 MST
10:00 EDT07:00 MST
10:30 EDT07:30 MST
11:00 EDT08:00 MST
11:30 EDT08:30 MST
12:00 EDT09:00 MST
12:30 EDT09:30 MST
13:00 EDT10:00 MST
13:30 EDT10:30 MST
14:00 EDT11:00 MST
14:30 EDT11:30 MST
15:00 EDT12:00 MST
15:30 EDT12:30 MST
16:00 EDT13:00 MST
16:30 EDT13:30 MST
17:00 EDT14:00 MST
17:30 EDT14:30 MST
18:00 EDT15:00 MST
18:30 EDT15:30 MST
19:00 EDT16:00 MST
19:30 EDT16:30 MST
20:00 EDT17:00 MST
20:30 EDT17:30 MST
21:00 EDT18:00 MST
21:30 EDT18:30 MST
22:00 EDT19:00 MST
22:30 EDT19:30 MST
23:00 EDT20:00 MST
23:30 EDT20:30 MST

Eastern Time

America/New_York

Uses IANA time zone rules for the selected date.

EDT · UTC-04:00

Mountain Standard Time

UTC-07:00

Fixed UTC offset. For seasonal local time, select a city or ET, CT, MT, PT.

MST · UTC-07:00

Frequently Asked Questions

2026-10-19 · ET ahead of MST: 3 hours 0 minutes. ET: UTC-04:00; MST: UTC-07:00.

2026-10-19 · 01:39 ET → 22:39 (-1) MST.

Weekday overlap (Mon–Fri, 09:00–17:00 in both places): ET: 12:00 EDT – 17:00 EDT ↔ MST: 09:00 MST – 14:00 MST

ET ahead of MST: 3 hours 0 minutes

Date → Select range → .ics. 2026-10-19 · 01:39 ET → 22:39 (-1) MST.

ET: Uses IANA time zone rules for the selected date. Next clock change: 2026-11-01 01:00 EST MST: Fixed UTC offset. For seasonal local time, select a city or ET, CT, MT, PT.