Time in IDLW and HMT
The time difference between International Date Line West Time (IDLW) and Heard and McDonald Islands Time (HMT) is 17 hours. Heard and McDonald Islands Time is 17 hours ahead of International Date Line West Time.
This means 9am IDLW is 2am HMT (next day) and 5pm IDLW is 10am HMT (next day).
International Date Line West Time
- The current local time in IDLW is 12:36 am (July 19, 2026)
- IDLW time zone offset is UTC-12:00
Heard and McDonald Islands Time
- The current local time in HMT is 5:36 pm (July 18, 2026)
- HMT time zone offset is UTC+05:00
How to convert International Date Line West Time to Heard and McDonald Islands Time?
Add 17 hours to International Date Line West Time to get Heard and McDonald Islands Time.
Time in IDLW
00:00
Time in HMT
00:00
Use the slider above to convert International Date Line West 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
| IDLW | HMT |
|---|---|
| 12am | 5pm |
| 1am | 6pm |
| 2am | 7pm |
| 3am | 8pm |
| 4am | 9pm |
| 5am | 10pm |
| 6am | 11pm |
| 7am | 12am |
| 8am | 1am |
| 9am | 2am |
| 10am | 3am |
| 11am | 4am |
| 12pm | 5am |
| 1pm | 6am |
| 2pm | 7am |
| 3pm | 8am |
| 4pm | 9am |
| 5pm | 10am |
| 6pm | 11am |
| 7pm | 12pm |
| 8pm | 1pm |
| 9pm | 2pm |
| 10pm | 3pm |
| 11pm | 4pm |