GMT to ADT

Greenwich Mean Time

Fri Jun, 19, 2026
8:19 AM

Greenwich Mean Time (GMT)

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

Atlantic Daylight Time

Fri Jun, 19, 2026
5:19 AM

Atlantic Daylight Time (ADT)

ADT is 3 hours behind Universal Time (UTC-3)

GMT to ADT Time Conversion

When it is 12:00 PM in GMT, it is 9:00 AM in ADT.

📞The best time to schedule a call is between 12 PM and 5 PM in GMT, which is between 9 AM and 2 PM in ADT.

Time difference between GMT and ADT

GMT is 3 hours ahead of ADT.

🕐 Subtract 3 hours from GMT time to get ADT time.

GMT uses the same time as Universal Time (UTC). and ADT uses 3 hours behind Universal Time (UTC-3).

GMT to ADT time conversion chart (24 hours)

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

GMT to ADT - Frequently Asked Questions

Q

What is the time difference between GMT and ADT?

A

GMT is 3 hours ahead of ADT.

Q

Is GMT ahead of or behind ADT?

A

GMT is ahead of ADT by 3 hours.

Q

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

A

It is 6:00 AM in ADT.