Time in MDT and HMT
The time difference between Mountain Daylight Time (MDT) and Heard and McDonald Islands Time (HMT) is 11 hours. Heard and McDonald Islands Time is 11 hours ahead of Mountain Daylight Time.
This means 9am MDT is 8pm HMT and 5pm MDT is 4am HMT (next day).
Mountain Daylight Time
- The current local time in MDT is 2:08 am (July 9, 2026)
- MDT time zone offset is UTC-06:00
Heard and McDonald Islands Time
- The current local time in HMT is 1:08 am (July 9, 2026)
- HMT time zone offset is UTC+05:00
How to convert Mountain Daylight Time to Heard and McDonald Islands Time?
Add 11 hours to Mountain Daylight Time to get Heard and McDonald Islands Time.
Time in MDT
00:00
Time in HMT
00:00
Use the slider above to convert Mountain Daylight Time to Heard and McDonald Islands 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
| MDT | HMT |
|---|---|
| 12am | 11am |
| 1am | 12pm |
| 2am | 1pm |
| 3am | 2pm |
| 4am | 3pm |
| 5am | 4pm |
| 6am | 5pm |
| 7am | 6pm |
| 8am | 7pm |
| 9am | 8pm |
| 10am | 9pm |
| 11am | 10pm |
| 12pm | 11pm |
| 1pm | 12am |
| 2pm | 1am |
| 3pm | 2am |
| 4pm | 3am |
| 5pm | 4am |
| 6pm | 5am |
| 7pm | 6am |
| 8pm | 7am |
| 9pm | 8am |
| 10pm | 9am |
| 11pm | 10am |