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Convert Hawaii Standard Time (HST) to Mountain Daylight Time (MDT, UTC-6) with our free time zone converter. Features real-time conversion and meeting planner for time zone conversion. Accurate, fast, and easy to use on all devices.
Mountain Daylight Time is 4 hours ahead of Hawaii Standard Time
Hawaii Standard Time to Mountain Daylight Time full day schedule
| 🇺🇸 Hawaii Standard Time | 🇺🇸 Mountain Daylight Time |
|---|---|
|
12:00 AM
|
4:00 AM
|
|
1:00 AM
|
5:00 AM
|
|
2:00 AM
|
6:00 AM
|
|
3:00 AM
|
7:00 AM
|
|
4:00 AM
|
8:00 AM
|
|
5:00 AM
|
9:00 AM
|
|
6:00 AM
|
10:00 AM
|
|
7:00 AM
|
11:00 AM
|
|
8:00 AM
|
12:00 PM
|
|
9:00 AM
|
1:00 PM
|
|
10:00 AM
|
2:00 PM
|
|
11:00 AM
|
3:00 PM
|
|
12:00 PM
|
4:00 PM
|
|
1:00 PM
|
5:00 PM
|
|
2:00 PM
|
6:00 PM
|
|
3:00 PM
|
7:00 PM
|
|
4:00 PM
|
8:00 PM
|
|
5:00 PM
|
9:00 PM
|
|
6:00 PM
|
10:00 PM
|
|
7:00 PM
|
11:00 PM
|
|
8:00 PM
|
12:00 AM
(next day)
|
|
9:00 PM
|
1:00 AM
(next day)
|
|
10:00 PM
|
2:00 AM
(next day)
|
|
11:00 PM
|
3:00 AM
(next day)
|
Best times for HST ↔ MDT meetings and calls
Based on standard business hours (9:00 AM - 6:00 PM) in each time zone
Detailed timezone specifications and regional data
Source timezone
Target timezone