Time in IRDT and HMT
The time difference between Iran Daylight Time (IRDT) and Heard and McDonald Islands Time (HMT) is 30 minutes. Heard and McDonald Islands Time is 30 minutes ahead of Iran Daylight Time.
This means 9am IRDT is 9:30am HMT and 5pm IRDT is 5:30pm HMT.
Iran Daylight Time
- The current local time in IRDT is 11:29 am (September 2, 2026)
- IRDT time zone offset is UTC+04:30
Heard and McDonald Islands Time
- The current local time in HMT is 11:59 am (September 2, 2026)
- HMT time zone offset is UTC+05:00
How to convert Iran Daylight Time to Heard and McDonald Islands Time?
Add 30 minutes to Iran Daylight Time to get Heard and McDonald Islands Time.
Time in IRDT
00:00
Time in HMT
00:00
Use the slider above to convert Iran 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
| IRDT | HMT |
|---|---|
| 12am | 0:30am |
| 1am | 1:30am |
| 2am | 2:30am |
| 3am | 3:30am |
| 4am | 4:30am |
| 5am | 5:30am |
| 6am | 6:30am |
| 7am | 7:30am |
| 8am | 8:30am |
| 9am | 9:30am |
| 10am | 10:30am |
| 11am | 11:30am |
| 12pm | 12:30pm |
| 1pm | 1:30pm |
| 2pm | 2:30pm |
| 3pm | 3:30pm |
| 4pm | 4:30pm |
| 5pm | 5:30pm |
| 6pm | 6:30pm |
| 7pm | 7:30pm |
| 8pm | 8:30pm |
| 9pm | 9:30pm |
| 10pm | 10:30pm |
| 11pm | 11:30pm |