IRDT to HMT Converter
IRDT is not used on this date
This converter uses IRST (GMT +3:30), the offset Tehran uses on this date. Open the IRST converter.Quick answers
Selected conversion
The selected date and time will appear here when the converter loads.
IRDT and HMT examples
These examples always use IRDT (UTC+4:30) and HMT (UTC+5). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
IRDT is 30 minutes behind HMT.
How the time difference changes
IRST is 1 hour and 30 minutes behind HMT year-round.
Working hours of 9:00 am to 5:00 pm in IRST correspond to 10:30 am to 6:30 pm in HMT.
Compare IRDT time with HMT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Iran Standard Time is 1 hour and 30 minutes behind Heard and McDonald Islands Time
3:30 pm15:30 in IRST is 5:00 pm17:00 in HMT
IRST to HMT call time
Best time for a conference call or a meeting is between 9am-3:30pm in IRST which corresponds to 10:30am-5pm in HMT
3:30 pm15:30 Iran Standard Time (IRST). Offset UTC +3:30 hours
5:00 pm17:00 Heard and McDonald Islands Time (HMT). Offset UTC +5:00 hours
3:30 pm15:30 IRST / 5:00 pm17:00 HMT
| IRST | HMT |
|---|---|
| 12am (midnight) | 1:30 am |
| 1am | 2:30 am |
| 2am | 3:30 am |
| 3am | 4:30 am |
| 4am | 5:30 am |
| 5am | 6:30 am |
| 6am | 7:30 am |
| 7am | 8:30 am |
| 8am | 9:30 am |
| 9am | 10:30 am |
| 10am | 11:30 am |
| 11am | 12:30 pm |
| 12pm (noon) | 1:30 pm |
| 1pm | 2:30 pm |
| 2pm | 3:30 pm |
| 3pm | 4:30 pm |
| 4pm | 5:30 pm |
| 5pm | 6:30 pm |
| 6pm | 7:30 pm |
| 7pm | 8:30 pm |
| 8pm | 9:30 pm |
| 9pm | 10:30 pm |
| 10pm | 11:30 pm |
| 11pm | 12:30 am |
| 00:00 | 01:30 |
| 01:00 | 02:30 |
| 02:00 | 03:30 |
| 03:00 | 04:30 |
| 04:00 | 05:30 |
| 05:00 | 06:30 |
| 06:00 | 07:30 |
| 07:00 | 08:30 |
| 08:00 | 09:30 |
| 09:00 | 10:30 |
| 10:00 | 11:30 |
| 11:00 | 12:30 |
| 12:00 | 13:30 |
| 13:00 | 14:30 |
| 14:00 | 15:30 |
| 15:00 | 16:30 |
| 16:00 | 17:30 |
| 17:00 | 18:30 |
| 18:00 | 19:30 |
| 19:00 | 20:30 |
| 20:00 | 21:30 |
| 21:00 | 22:30 |
| 22:00 | 23:30 |
| 23:00 | 00:30 |
Iran Daylight Time
Offset: IRDT is 4 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Asia
IRDT representations, usage and related time zones
- +0430 - basic
- +04:30 - extended
- +0430 - sign character (+) followed by a four digit time providing hours (04) and minutes (30) of the offset. Indicates an offset of four hours and thirty minutes to the east of the zero meridian.
- AFT - Afghanistan Time
- IRDT - Iran Daylight Time
Heard and McDonald Islands Time
Offset: HMT is 5 hours ahead Greenwich Mean Time (GMT) and is used in Indian
Daylight Saving: Clocks in Heard and McDonald Islands Time (HMT) do not change for daylight saving time, so HMT stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.
HMT representations, usage and related time zones
- +05 - basic short
- +0500 - basic
- +05:00 - extended
- +0500 - sign character (+) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates an offset of five hours to the east of the zero meridian.
- Echo - Military abbreviation for HMT
- E - short form of 'Echo'
- AMST - Armenia Summer Time
- AQTT - Aqtobe Time
- AZST - Azerbaijan Summer Time
- E - Echo Time Zone
- MAWT - Mawson Time
- MVT - Maldives Time
- ORAT - Oral Time
- PKT - Pakistan Standard Time
- TFT - French Southern and Antarctic Time
- TJT - Tajikistan Time
- TMT - Turkmenistan Time
- UZT - Uzbekistan Time
- YEKT - Yekaterinburg Time
- HMT - Heard and McDonald Islands Time