Time in HMT and MDT
The time difference between Heard and McDonald Islands Time (HMT) and Mountain Daylight Time (MDT) is 11 hours. Mountain Daylight Time is 11 hours behind Heard and McDonald Islands Time.
This means 9am HMT is 10pm MDT (previous day) and 5pm HMT is 6am MDT.
Heard and McDonald Islands Time
- The current local time in HMT is 2:05 pm (September 2, 2026)
- HMT time zone offset is UTC+05:00
Mountain Daylight Time
- The current local time in MDT is 3:05 pm (September 2, 2026)
- MDT time zone offset is UTC-06:00
How to convert Heard and McDonald Islands Time to Mountain Daylight Time?
Subtract 11 hours from Heard and McDonald Islands Time to get Mountain Daylight Time.
Time in HMT
00:00
Time in MDT
00:00
Use the slider above to convert Heard and McDonald Islands Time to Mountain Daylight Time and view the day and night map at different times.
Day–night colors on the map:
Day
Civil twilight
Nautical twilight
Astronomical twilight
NightTime Conversion Chart
| HMT | MDT |
|---|---|
| 12am | 1pm |
| 1am | 2pm |
| 2am | 3pm |
| 3am | 4pm |
| 4am | 5pm |
| 5am | 6pm |
| 6am | 7pm |
| 7am | 8pm |
| 8am | 9pm |
| 9am | 10pm |
| 10am | 11pm |
| 11am | 12am |
| 12pm | 1am |
| 1pm | 2am |
| 2pm | 3am |
| 3pm | 4am |
| 4pm | 5am |
| 5pm | 6am |
| 6pm | 7am |
| 7pm | 8am |
| 8pm | 9am |
| 9pm | 10am |
| 10pm | 11am |
| 11pm | 12pm |