Convert Greenwich Mean Time (GMT) to Hawaii Standard Time (HST) instantly. Free, fast and accurate time zone converter with real-time updates.
| GMT Time | HST Time |
|---|---|
| 12:00 AM GMT | 2:00 PM HST |
| 12:30 AM GMT | 2:30 PM HST |
| 1:00 AM GMT | 3:00 PM HST |
| 1:30 AM GMT | 3:30 PM HST |
| 2:00 AM GMT | 4:00 PM HST |
| 2:30 AM GMT | 4:30 PM HST |
| 3:00 AM GMT | 5:00 PM HST |
| 3:30 AM GMT | 5:30 PM HST |
| 4:00 AM GMT | 6:00 PM HST |
| 4:30 AM GMT | 6:30 PM HST |
| 5:00 AM GMT | 7:00 PM HST |
| 5:30 AM GMT | 7:30 PM HST |
| 6:00 AM GMT | 8:00 PM HST |
| 6:30 AM GMT | 8:30 PM HST |
| 7:00 AM GMT | 9:00 PM HST |
| 7:30 AM GMT | 9:30 PM HST |
| 8:00 AM GMT | 10:00 PM HST |
| 8:30 AM GMT | 10:30 PM HST |
| 9:00 AM GMT | 11:00 PM HST |
| 9:30 AM GMT | 11:30 PM HST |
| 10:00 AM GMT | 12:00 AM HST |
| 10:30 AM GMT | 12:30 AM HST |
| 11:00 AM GMT | 1:00 AM HST |
| 11:30 AM GMT | 1:30 AM HST |
| 12:00 PM GMT | 2:00 AM HST |
| 12:30 PM GMT | 2:30 AM HST |
| 1:00 PM GMT | 3:00 AM HST |
| 1:30 PM GMT | 3:30 AM HST |
| 2:00 PM GMT | 4:00 AM HST |
| 2:30 PM GMT | 4:30 AM HST |
| 3:00 PM GMT | 5:00 AM HST |
| 3:30 PM GMT | 5:30 AM HST |
| 4:00 PM GMT | 6:00 AM HST |
| 4:30 PM GMT | 6:30 AM HST |
| 5:00 PM GMT | 7:00 AM HST |
| 5:30 PM GMT | 7:30 AM HST |
| 6:00 PM GMT | 8:00 AM HST |
| 6:30 PM GMT | 8:30 AM HST |
| 7:00 PM GMT | 9:00 AM HST |
| 7:30 PM GMT | 9:30 AM HST |
| 8:00 PM GMT | 10:00 AM HST |
| 8:30 PM GMT | 10:30 AM HST |
| 9:00 PM GMT | 11:00 AM HST |
| 9:30 PM GMT | 11:30 AM HST |
| 10:00 PM GMT | 12:00 PM HST |
| 10:30 PM GMT | 12:30 PM HST |
| 11:00 PM GMT | 1:00 PM HST |
| 11:30 PM GMT | 1:30 PM HST |
Hawaii Standard Time (HST) is 10 hours behind Greenwich Mean Time (GMT). When converting from GMT to HST, you need to subtract 10 hours to get the correct time.
When it's 12:00 PM (noon) in Greenwich Mean Time, it's 2:00 AM in Hawaii Standard Time. This is because HST is 10 hours behind GMT.
When it's 12:00 AM (midnight) in Greenwich Mean Time, it's 2:00 PM in Hawaii Standard Time.
Greenwich Mean Time (GMT) has a UTC offset of +0:00, while Hawaii Standard Time (HST) has a UTC offset of -10:00.
Simply subtract 10 hours to the GMT time. For example, 3:00 PM GMT becomes 5:00 AM HST.
The best time depends on both parties' schedules. A common overlap during business hours (9 AM - 5 PM) would be when it's late afternoon in GMT. Use our converter to find the perfect time.
Daylight Saving Time (DST) observance varies by region. Some areas within Greenwich Mean Time and Hawaii Standard Time zones may observe DST, which can temporarily change the time difference by 1 hour.
Greenwich Mean Time (GMT) is used by various countries and regions around the world. The UTC offset of +0:00 is shared by multiple time zones.
Hawaii Standard Time (HST) is used by various countries and regions around the world. With a UTC offset of -10:00, this time zone covers multiple geographic areas.
Yes! Remember that HST is always 10 hours behind GMT. If it's noon in GMT, it's 2:00 AM in HST. Bookmark this page for quick reference!
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