Offset
The time difference between Gulf Standard Time and Lord Howe Time is 6.5 hours.
Gulf Standard Time (GST) is behind Lord Howe Time (LHST).
GST: UTC+4
LHST: UTC+10:30
Neither Gulf Standard Time nor Lord Howe Time is currently observing daylight saving time.
When to schedule
Business-hours overlap: 9 AM–11 AM in Gulf Standard Time (3 PM–5 PM in Lord Howe Time).
Both teams are in working hours during this window on weekdays.
Suggested time: 10:00 AM Gulf Standard Time (4:30 PM Lord Howe Time).
This window may shift by an hour during daylight saving time.
Public holidays in 2026
National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.
Australia
- New Year's DayThu, Jan 1
- Australia DayMon, Jan 26
- Good FridayFri, Apr 3
- Easter MondayMon, Apr 6
- Christmas DayFri, Dec 25
- St. Stephen's DayMon, Dec 28
About these zones
Gulf Standard Time is also known as GST. To call United Arab Emirates, dial +971.
Lord Howe Time is also known as LHST, or LHDT. To call Australia, dial +61.
Lord Howe Time is approximately 7,900 miles southeast of Gulf Standard Time.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| GST | LHST | Day |
|---|---|---|
| 12:00 am | 6:30 am | Same day |
| 1:00 am | 7:30 am | Same day |
| 2:00 am | 8:30 am | Same day |
| 3:00 am | 9:30 am | Same day |
| 4:00 am | 10:30 am | Same day |
| 5:00 am | 11:30 am | Same day |
| 6:00 am | 12:30 pm | Same day |
| 7:00 am | 1:30 pm | Same day |
| 8:00 am | 2:30 pm | Same day |
| 9:00 am | 3:30 pm | Same day |
| 10:00 am | 4:30 pm | Same day |
| 11:00 am | 5:30 pm | Same day |
| 12:00 pm | 6:30 pm | Same day |
| 1:00 pm | 7:30 pm | Same day |
| 2:00 pm | 8:30 pm | Same day |
| 3:00 pm | 9:30 pm | Same day |
| 4:00 pm | 10:30 pm | Same day |
| 5:00 pm | 11:30 pm | Same day |
| 6:00 pm | 12:30 am | +1 day |
| 7:00 pm | 1:30 am | +1 day |
| 8:00 pm | 2:30 am | +1 day |
| 9:00 pm | 3:30 am | +1 day |
| 10:00 pm | 4:30 am | +1 day |
| 11:00 pm | 5:30 am | +1 day |
Daylight saving time
Lord Howe Time observes daylight saving time; Gulf Standard Time does not. The offset between the two zones changes when Lord Howe Time transitions: on Sunday, October 4, 2026, clocks spring forward from LHST to LHDT.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 5:29 AM
- Sunset
- 7:07 PM
- Day length
- 13h 38m
- Sunrise
- 6:47 AM
- Sunset
- 4:59 PM
- Day length
- 10h 11m
Daylight overlap: 4h 59m — 5:29 AM–10:29 AM in Gulf Standard Time (11:59 AM–4:59 PM in Lord Howe Time). Both locations are in daylight during this window.
Cities in these zones
Cities in Gulf Standard Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Gulf Standard Time
- DWC
- DXB
- SHJ
- AUH
Related conversions
Common conversions
- What is 9:00 am GST in LHST?
- 9:00 am GST is 3:30 pm LHST.
- What is 12:00 pm GST in LHST?
- 12:00 pm GST is 6:30 pm LHST.
- What is 12:30 pm GST in LHST?
- 12:30 pm GST is 7:00 pm LHST.
- What is 2:00 pm GST in LHST?
- 2:00 pm GST is 8:30 pm LHST.
- What is 5:00 pm GST in LHST?
- 5:00 pm GST is 11:30 pm LHST.
- What is 11:30 pm GST in LHST?
- 11:30 pm GST is 6:00 am LHST, the next day.