HST to MDT Time Converter
When it's 12:00 PM HST, it's 4:00 PM MDT 4 hours ahead
| Time in HST | Time in MDT |
|---|---|
| 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 (+1 day) |
| 9:00 PM | 1:00 AM (+1 day) |
| 10:00 PM | 2:00 AM (+1 day) |
| 11:00 PM | 3:00 AM (+1 day) |
Daylight Saving Time (DST) may affect this conversion. HST does not observe DST. MDT observes DST.
Major Cities in HST (Hawaii Standard Time)
- Honolulu
- East Honolulu
- Pearl City
- Makakilo / Kapolei / Honokai Hale
- Kalihi-Palama
Major Cities in MDT (Mountain Daylight Time)
- Denver
- El Paso
- Albuquerque
- Colorado Springs
- Salt Lake City
What is the time difference between HST and MDT?
MDT is 4 hours ahead compared to HST. When it's 12:00 PM (noon) in HST, it's 4:00 PM in MDT.
Does Daylight Saving Time (DST) affect HST to MDT conversion?
HST does not observe DST. MDT observes DST. During DST transitions, the time difference may change by one hour.
What major cities use HST (Hawaii Standard Time)?
Major cities in the HST timezone include Honolulu, East Honolulu, Pearl City, Makakilo / Kapolei / Honokai Hale, Kalihi-Palama.
What is the best time to call from HST to MDT?
The best time to call from HST to MDT is between 9:00 AM and 5:00 PM HST, which is 1:00 PM to 9:00 PM MDT. This ensures both parties are available during normal business hours (9 AM - 5 PM).