When it is 9:00 AM GMT, it is 5:00 AM ADT. Greenwich Mean Time (GMT, UTC+0) and Atlantic Daylight Time (ADT, UTC-3) are 3 hours apart.
| GMT | ADT |
|---|---|
| 12:00 AM | 8:00 PM (-1 day) |
| 3:00 AM | 11:00 PM (-1 day) |
| 6:00 AM | 2:00 AM |
| 9:00 AM | 5:00 AM |
| 12:00 PM | 8:00 AM |
| 3:00 PM | 11:00 AM |
| 6:00 PM | 2:00 PM |
| 9:00 PM | 5:00 PM |
Greenwich Mean Time (GMT) is UTC+0 and Atlantic Daylight Time (ADT) is UTC-3. The exact difference can vary due to Daylight Saving Time changes. Our converter automatically accounts for current DST rules to give you accurate conversions.
Use the conversion table above to find common time mappings between GMT and ADT. For precise conversions including DST adjustments, use the interactive converter.
Greenwich Mean Time (GMT) is based on the Europe/London timezone. DST observance depends on local regulations. Our converter automatically accounts for current DST rules.
Convert Greenwich Mean Time to Atlantic Daylight Time
| GMT | ADT |
|---|---|
| 12:00 AM | 8:00 PM |
| 3:00 AM | 11:00 PM (-1) |
| 6:00 AM | 2:00 AM |
| 9:00 AM | 5:00 AM |
| 12:00 PM | 8:00 AM |
| 3:00 PM | 11:00 AM |
| 6:00 PM | 2:00 PM |
| 9:00 PM | 5:00 PM |
Greenwich Mean Time (GMT) is UTC+0 and Atlantic Daylight Time (ADT) is UTC-3. The exact difference can vary due to Daylight Saving Time changes.
Use our converter above to find the exact time. Enter 9:00 in the GMT field to see the corresponding ADT time, accounting for current DST rules.
Greenwich Mean Time (GMT) is based on the Europe/London timezone. DST observance depends on local regulations. Our converter automatically accounts for current DST rules.