HAST to GMT

Hawaii-Aleutian Standard Time

Thu Jun, 18, 2026
11:39 PM

Hawaii-Aleutian Standard Time (HAST)

HAST is 10 hours behind Universal Time (UTC-1)

Greenwich Mean Time

Fri Jun, 19, 2026
9:39 AM

Greenwich Mean Time (GMT)

GMT is the same time as Universal Time (UTC).

HAST to GMT Time Conversion

When it is 12:00 PM in HAST, it is 10:00 PM in GMT.

📞There is no overlap during standard 9-to-5 business hours, so a call may need to be early or late in the day for one side.

Time difference between HAST and GMT

HAST is 10 hours behind GMT.

🕐 Add 10 hours to HAST time to get GMT time.

HAST uses 10 hours behind Universal Time (UTC-1) and GMT uses the same time as Universal Time (UTC)..

HAST to GMT time conversion chart (24 hours)

Highlighted rows are overlapping 9-to-5 business hours – the best time to schedule a call between HAST and GMT.
HAST Time GMT Time
12 AM HAST Time 10 AM GMT Time
1 AM HAST Time 11 AM GMT Time
2 AM HAST Time 12 PM GMT Time
3 AM HAST Time 1 PM GMT Time
4 AM HAST Time 2 PM GMT Time
5 AM HAST Time 3 PM GMT Time
6 AM HAST Time 4 PM GMT Time
7 AM HAST Time 5 PM GMT Time
8 AM HAST Time 6 PM GMT Time
9 AM HAST Time 7 PM GMT Time
10 AM HAST Time 8 PM GMT Time
11 AM HAST Time 9 PM GMT Time
HAST Time GMT Time
12 PM HAST Time 10 PM GMT Time
1 PM HAST Time 11 PM GMT Time
2 PM HAST Time 12 AM GMT Time
3 PM HAST Time 1 AM GMT Time
4 PM HAST Time 2 AM GMT Time
5 PM HAST Time 3 AM GMT Time
6 PM HAST Time 4 AM GMT Time
7 PM HAST Time 5 AM GMT Time
8 PM HAST Time 6 AM GMT Time
9 PM HAST Time 7 AM GMT Time
10 PM HAST Time 8 AM GMT Time
11 PM HAST Time 9 AM GMT Time

HAST to GMT - Frequently Asked Questions

Q

What is the time difference between HAST and GMT?

A

HAST is 10 hours behind GMT.

Q

Is HAST ahead of or behind GMT?

A

HAST is behind GMT by 10 hours.

Q

When it is 9:00 AM in HAST, what time is it in GMT?

A

It is 7:00 PM in GMT.