Best Meeting Time: EST & GMT
Working hours overlap & scheduling guide — GMT is 4 hours ahead of EST
5h
Overlap
4h
Difference
Easy
Scheduling
EST
EDT
UTC-4
GMT
GMT
UTC+0
5 overlapping business hours
Best window: 9 AM – 1 PM EST time
Both in office
One in office
Neither in office
EST
Office
Office
GMT
12 AM
4 AM
1 AM
5 AM
2 AM
6 AM
3 AM
7 AM
4 AM
8 AM
5 AM
9 AM
6 AM
10 AM
7 AM
11 AM
8 AM
12 PM
9 AM
Best
1 PM
10 AM
Best
2 PM
11 AM
Best
3 PM
12 PM
Best
4 PM
1 PM
Best
5 PM
2 PM
6 PM
3 PM
7 PM
4 PM
8 PM
5 PM
9 PM
6 PM
10 PM
7 PM
11 PM
8 PM
12 AM
9 PM
1 AM
10 PM
2 AM
11 PM
3 AM
Complete 24-Hour Conversion — EST to GMT
Scheduling Tips for EST & GMT
- Best window: 9 AM – 1 PM EST / 1 PM – 5 PM GMT
- Send calendar invites with both time zones listed to avoid confusion.
- DST changes can shift the overlap by ±1 hour — always double-check.