Time in LHST and IDLW
The time difference between Lord Howe Standard Time (LHST) and International Date Line West Time (IDLW) is 22 hours 30 minutes. International Date Line West Time is 22 hours 30 minutes behind Lord Howe Standard Time.
This means 9am LHST is 10:30am IDLW (previous day) and 5pm LHST is 6:30pm IDLW (previous day).
Lord Howe Standard Time
- The current local time in LHST is 11:07 pm (July 18, 2026)
- LHST time zone offset is UTC+10:30
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
How to convert Lord Howe Standard Time to International Date Line West Time?
Subtract 22 hours 30 minutes from Lord Howe Standard Time to get International Date Line West Time.
Time in LHST
00:00
Time in IDLW
00:00
Use the slider above to convert Lord Howe Standard Time to International Date Line West 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
| LHST | IDLW |
|---|---|
| 12am | 1:30am |
| 1am | 2:30am |
| 2am | 3:30am |
| 3am | 4:30am |
| 4am | 5:30am |
| 5am | 6:30am |
| 6am | 7:30am |
| 7am | 8:30am |
| 8am | 9:30am |
| 9am | 10:30am |
| 10am | 11:30am |
| 11am | 12:30pm |
| 12pm | 1:30pm |
| 1pm | 2:30pm |
| 2pm | 3:30pm |
| 3pm | 4:30pm |
| 4pm | 5:30pm |
| 5pm | 6:30pm |
| 6pm | 7:30pm |
| 7pm | 8:30pm |
| 8pm | 9:30pm |
| 9pm | 10:30pm |
| 10pm | 11:30pm |
| 11pm | 0:30am |