GMT to HST Time Converter

HST is 10 hours behind GMT right now. 9:00 AM in GMT is 11:00 PM in HST (the day before).

Time now: GMT and HST

🌐 Greenwich Mean Time (GMT)11:59 PMMonday, November 9 · UTC+00:00
🌐 Hawaii Time1:59 PMMonday, November 9 · UTC-10:00

HST is 10 hours behind GMT right now. The gap stays the same all year, because neither changes its clocks.

GMT to HST conversion table

Every hour of the day, using today's time difference.

GMTHST
12:00 AM2:00 PMprevious day
1:00 AM3:00 PMprevious day
2:00 AM4:00 PMprevious day
3:00 AM5:00 PMprevious day
4:00 AM6:00 PMprevious day
5:00 AM7:00 PMprevious day
6:00 AM8:00 PMprevious day
7:00 AM9:00 PMprevious day
8:00 AM10:00 PMprevious day
9:00 AM11:00 PMprevious day
10:00 AM12:00 AM
11:00 AM1:00 AM
12:00 PM2:00 AM
1:00 PM3:00 AM
2:00 PM4:00 AM
3:00 PM5:00 AM
4:00 PM6:00 AM
5:00 PM7:00 AM
6:00 PM8:00 AM
7:00 PM9:00 AM
8:00 PM10:00 AM
9:00 PM11:00 AM
10:00 PM12:00 PM
11:00 PM1:00 PM

Best time to meet between GMT and HST

There is no overlap between 9 AM and 6 PM in both places.

If both sides can be flexible (7 AM – 10 PM):

  • 7:00 AM – 8:00 AM GMT = 9:00 PM – 10:00 PM HST
  • 5:00 PM – 10:00 PM GMT = 7:00 AM – 12:00 PM HST

Does the time difference between GMT and HST change?

No. Neither place changes its clocks, so HST is 10 hours behind GMT all year.

Office hours in each other's time

  • 9 AM to 6 PM in GMT is 11:00 PM (previous day) to 8:00 AM in HST.
  • 9 AM to 6 PM in HST is 7:00 PM to 4:00 AM (next day) in GMT.

Based on today's clock settings.

Frequently asked questions

What is the time difference between GMT and HST?

HST is 10 hours behind GMT right now. The gap stays the same all year, because neither changes its clocks.

How do I convert GMT to HST?

Subtract 10 hours from the GMT time to get the HST time (at today's difference). 9:00 AM in GMT is 11:00 PM in HST (the day before). Or use the converter above and pick any date and time.

What is the current time in HST?

It is 1:59 PM in HST on Monday, November 9 (the converter above shows it live). At the same moment it is 11:59 PM in GMT.

Does the time difference between GMT and HST change during the year?

No. Neither place changes its clocks, so HST is 10 hours behind GMT all year.

What is the best time for a meeting between GMT and HST?

The two places have no shared working hours (9 AM – 6 PM). The nearest option is 7:00 AM – 8:00 AM GMT = 9:00 PM – 10:00 PM HST.

What does GMT mean?

GMT is fixed at UTC+00:00 all year. The United Kingdom itself switches to BST in summer.

What does HST mean?

Hawaii does not use daylight saving time.