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Convert Greenwich Mean Time (GMT) to Eastern Daylight Time (EDT, UTC-4) with our free, accurate time zone converter for scheduling business meetings and international calls. Includes real-time conversion, meeting planner, and business hours comparison - no registration required, works on all devices.
Complete 24-hour conversion chart for Greenwich Mean Time to Eastern Daylight Time
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12:00am
8:00pm
(previous day)
1:00am
9:00pm
(previous day)
2:00am
10:00pm
(previous day)
3:00am
11:00pm
(previous day)
4:00am
12:00am
5:00am
1:00am
6:00am
2:00am
7:00am
3:00am
8:00am
4:00am
9:00am
5:00am
10:00am
6:00am
11:00am
7:00am
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12:00pm
8:00am
1:00pm
9:00am
2:00pm
10:00am
3:00pm
11:00am
4:00pm
12:00pm
5:00pm
1:00pm
6:00pm
2:00pm
7:00pm
3:00pm
8:00pm
4:00pm
9:00pm
5:00pm
10:00pm
6:00pm
11:00pm
7:00pm
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Times are automatically calculated and updated for accuracy
Greenwich Mean Time (GMT) is 4 hours ahead of Eastern Daylight Time (EDT). You must subtract 4 hours from the GMT to convert GMT to EDT. For example, if it is noon GMT, it will be 8:00 AM EDT.
Yes, daylight saving time directly impacts this conversion. EDT is observed during the summer months (from the second Sunday in March to the first Sunday in November), while GMT remains constant throughout the year. Therefore, when converting from GMT to EDT, you consistently subtract 4 hours during daylight saving time.
To manually convert GMT to EDT, take your GMT and subtract 4 hours. For instance: If it’s 8:00 AM in GMT, subtracting 4 hours gives you 4:00 AM in EDT. This method can be applied at any hour of the day.
Here are a few examples: If it’s 6:00 PM in GMT, it will be 2:00 PM in EDT. If it’s 3:00 AM in GMT, it will be 11:00 PM in EDT (the previous day). To manually convert, subtract 4 hours from your current GMT.
When planning meetings between participants in GMT and EDT, be mindful of the 4-hour difference. It’s advisable to schedule meetings during overlapping business hours; for example, if it’s convenient for participants in GMT from 9:00 AM to 5:00 PM, this translates to 5:00 AM to 1:00 PM in EDT. This ensures that all parties can attend without conflicts.
Yes, many online tools allow for batch conversions from GMT to EDT. This feature is handy for scheduling meetings or events that involve participants across different time zones.
