Time in IST and LHST
The time difference between Irish Standard Time (IST) and Lord Howe Standard Time (LHST) is 9 hours 30 minutes. Lord Howe Standard Time is 9 hours 30 minutes ahead of Irish Standard Time.
This means 9am IST is 6:30pm LHST and 5pm IST is 2:30am LHST (next day).
Irish Standard Time
- The current local time in IST is 2:39 pm (July 18, 2026)
- IST time zone offset is UTC+01:00
Lord Howe Standard Time
- The current local time in LHST is 12:09 am (July 19, 2026)
- LHST time zone offset is UTC+10:30
How to convert Irish Standard Time to Lord Howe Standard Time?
Add 9 hours 30 minutes to Irish Standard Time to get Lord Howe Standard Time.
Time in IST
00:00
Time in LHST
00:00
Use the slider above to convert Irish Standard Time to Lord Howe 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
| IST | LHST |
|---|---|
| 12am | 9:30am |
| 1am | 10:30am |
| 2am | 11:30am |
| 3am | 12:30pm |
| 4am | 1:30pm |
| 5am | 2:30pm |
| 6am | 3:30pm |
| 7am | 4:30pm |
| 8am | 5:30pm |
| 9am | 6:30pm |
| 10am | 7:30pm |
| 11am | 8:30pm |
| 12pm | 9:30pm |
| 1pm | 10:30pm |
| 2pm | 11:30pm |
| 3pm | 0:30am |
| 4pm | 1:30am |
| 5pm | 2:30am |
| 6pm | 3:30am |
| 7pm | 4:30am |
| 8pm | 5:30am |
| 9pm | 6:30am |
| 10pm | 7:30am |
| 11pm | 8:30am |