Offset
The time difference between Gulf Standard Time and Hawaii Time is 14 hours.
Gulf Standard Time (GST) is ahead of Hawaii Time (HST).
GST: UTC+4
HST: UTC-10
Neither Gulf Standard Time nor Hawaii Time is currently observing daylight saving time.
When to schedule
Standard business hours (9 AM–5 PM, Mon–Fri) in Gulf Standard Time and Hawaii Time don't overlap on the same weekday. Hawaii Time is 14 hours behind Gulf Standard Time.
Realistic options: hand off asynchronously, or stretch one side by an hour to catch the other team at the start or end of their day.
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.
United States
- New Year's DayThu, Jan 1
- Martin Luther King, Jr. DayMon, Jan 19
- Presidents DayMon, Feb 16
- Memorial DayMon, May 25
- Juneteenth National Independence DayFri, Jun 19
- Independence DayFri, Jul 3
- Labour DayMon, Sep 7
- Columbus DayMon, Oct 12
- Veterans DayWed, Nov 11
- Thanksgiving DayThu, Nov 26
- Christmas DayFri, Dec 25
About these zones
Gulf Standard Time is also known as GST. To call United Arab Emirates, dial +971.
Hawaii Time is also known as HST. To call United States, dial +1.
Hawaii Time is approximately 8,550 miles northeast of Gulf Standard Time.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| GST | HST | Day |
|---|---|---|
| 12:00 am | 10:00 am | -1 day |
| 1:00 am | 11:00 am | -1 day |
| 2:00 am | 12:00 pm | -1 day |
| 3:00 am | 1:00 pm | -1 day |
| 4:00 am | 2:00 pm | -1 day |
| 5:00 am | 3:00 pm | -1 day |
| 6:00 am | 4:00 pm | -1 day |
| 7:00 am | 5:00 pm | -1 day |
| 8:00 am | 6:00 pm | -1 day |
| 9:00 am | 7:00 pm | -1 day |
| 10:00 am | 8:00 pm | -1 day |
| 11:00 am | 9:00 pm | -1 day |
| 12:00 pm | 10:00 pm | -1 day |
| 1:00 pm | 11:00 pm | -1 day |
| 2:00 pm | 12:00 am | Same day |
| 3:00 pm | 1:00 am | Same day |
| 4:00 pm | 2:00 am | Same day |
| 5:00 pm | 3:00 am | Same day |
| 6:00 pm | 4:00 am | Same day |
| 7:00 pm | 5:00 am | Same day |
| 8:00 pm | 6:00 am | Same day |
| 9:00 pm | 7:00 am | Same day |
| 10:00 pm | 8:00 am | Same day |
| 11:00 pm | 9:00 am | Same day |
Daylight saving time
Neither Gulf Standard Time nor Hawaii Time observes daylight saving time. The offset between these zones remains constant year-round.
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
- 5:50 AM
- Sunset
- 7:12 PM
- Day length
- 13h 22m
Daylight overlap: 3h 43m — 5:29 AM–9:12 AM in Gulf Standard Time (3:29 PM–7:12 PM in Hawaii Time). Both locations are in daylight during this window.
Cities in these zones
Cities in Gulf Standard Time
Cities in Hawaii Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Gulf Standard Time
- DWC
- DXB
- SHJ
- AUH
Airports in Hawaii Time
- HNL
Related conversions
Common conversions
- What is 9:00 am GST in HST?
- 9:00 am GST is 7:00 pm HST, the previous day.
- What is 12:00 pm GST in HST?
- 12:00 pm GST is 10:00 pm HST, the previous day.
- What is 12:30 pm GST in HST?
- 12:30 pm GST is 10:30 pm HST, the previous day.
- What is 2:00 pm GST in HST?
- 2:00 pm GST is 12:00 am HST.
- What is 5:00 pm GST in HST?
- 5:00 pm GST is 3:00 am HST.
- What is 11:30 pm GST in HST?
- 11:30 pm GST is 9:30 am HST.