Time in IDLW and HST
The time difference between International Date Line West Time (IDLW) and Hawaii–Aleutian Standard Time (HST) is 2 hours. Hawaii–Aleutian Standard Time is 2 hours ahead of International Date Line West Time.
This means 9am IDLW is 11am HST and 5pm IDLW is 7pm HST.
International Date Line West Time
- The current local time in IDLW is 12:37 am (July 19, 2026)
- IDLW time zone offset is UTC-12:00
Hawaii–Aleutian Standard Time
- The current local time in HST is 10:37 pm (July 18, 2026)
- HST time zone offset is UTC-10:00
How to convert International Date Line West Time to Hawaii–Aleutian Standard Time?
Add 2 hours to International Date Line West Time to get Hawaii–Aleutian Standard Time.
Time in IDLW
00:00
Time in HST
00:00
Use the slider above to convert International Date Line West Time to Hawaii–Aleutian Standard 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 | HST |
|---|---|
| 12am | 2am |
| 1am | 3am |
| 2am | 4am |
| 3am | 5am |
| 4am | 6am |
| 5am | 7am |
| 6am | 8am |
| 7am | 9am |
| 8am | 10am |
| 9am | 11am |
| 10am | 12pm |
| 11am | 1pm |
| 12pm | 2pm |
| 1pm | 3pm |
| 2pm | 4pm |
| 3pm | 5pm |
| 4pm | 6pm |
| 5pm | 7pm |
| 6pm | 8pm |
| 7pm | 9pm |
| 8pm | 10pm |
| 9pm | 11pm |
| 10pm | 12am |
| 11pm | 1am |