ADT to ECT Converter
Quick answers
Selected conversion
9:00 am09:00 ADT (UTC-3), Oct 5, 2026 = 7:00 am07:00 ECT (UTC-5), Oct 5, 2026
ADT is 2 hours ahead of ECT.
ADT and ECT examples
These examples always use ADT (UTC-3) and ECT (UTC-5). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
ADT is 2 hours ahead of ECT.
How the time difference changes
For most of the year, ADT is 2 hours ahead of ECT. At other times of the year, AST is 1 hour ahead of ECT.
For most of the year, working hours of 9:00 am to 5:00 pm in ADT correspond to 7:00 am to 3:00 pm in ECT. At other times of the year, working hours of 9:00 am to 5:00 pm in AST correspond to 8:00 am to 4:00 pm in ECT.For most of the year, working hours of 09:00 to 17:00 in ADT correspond to 07:00 to 15:00 in ECT. At other times of the year, working hours of 09:00 to 17:00 in AST correspond to 08:00 to 16:00 in ECT.
Compare ADT time with ECT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Atlantic Daylight Time is 2 hours ahead of Ecuador Time.
9:00 am09:00 in ADT is 7:00 am07:00 in ECT
ADT to ECT call time
Best time for a conference call or a meeting is between 11am-5pm11:00-17:00 in ADT which corresponds to 9am-3pm09:00-15:00 in ECT
9:00 am09:00 Atlantic Daylight Time (ADT). Offset UTC -3:00 hours
7:00 am07:00 Ecuador Time (ECT). Offset UTC -5:00 hours
9:00 am09:00 ADT / 7:00 am07:00 ECT
| ADT | ECT |
|---|---|
| 12:00am | 10:00pm |
| 1:00am | 11:00pm |
| 2:00am | 12:00am |
| 3:00am | 1:00am |
| 4:00am | 2:00am |
| 5:00am | 3:00am |
| 6:00am | 4:00am |
| 7:00am | 5:00am |
| 8:00am | 6:00am |
| 9:00am | 7:00am |
| 10:00am | 8:00am |
| 11:00am | 9:00am |
| 12:00pm | 10:00am |
| 1:00pm | 11:00am |
| 2:00pm | 12:00pm |
| 3:00pm | 1:00pm |
| 4:00pm | 2:00pm |
| 5:00pm | 3:00pm |
| 6:00pm | 4:00pm |
| 7:00pm | 5:00pm |
| 8:00pm | 6:00pm |
| 9:00pm | 7:00pm |
| 10:00pm | 8:00pm |
| 11:00pm | 9:00pm |
| 00:00 | 22:00 |
| 01:00 | 23:00 |
| 02:00 | 00:00 |
| 03:00 | 01:00 |
| 04:00 | 02:00 |
| 05:00 | 03:00 |
| 06:00 | 04:00 |
| 07:00 | 05:00 |
| 08:00 | 06:00 |
| 09:00 | 07:00 |
| 10:00 | 08:00 |
| 11:00 | 09:00 |
| 12:00 | 10:00 |
| 13:00 | 11:00 |
| 14:00 | 12:00 |
| 15:00 | 13:00 |
| 16:00 | 14:00 |
| 17:00 | 15:00 |
| 18:00 | 16:00 |
| 19:00 | 17:00 |
| 20:00 | 18:00 |
| 21:00 | 19:00 |
| 22:00 | 20:00 |
| 23:00 | 21:00 |
Atlantic Daylight Time
Offset: ADT is 3 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries using this time zone: Bermuda, Canada, Greenland
Principal Cities: The largest city in the ADT time zone is Halifax in Canada, with about 471,559 people. Other major cities in this time zone include Sydney, Dartmouth, Moncton, Saint John.
French: HAA - Heure Avancée de l'Atlantique
Daylight Saving: Atlantic Daylight Time (ADT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Atlantic Standard Time (AST).
Start: Atlantic Daylight Time (ADT) started on Sunday, March 8, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 8, 2026, 3:00 am03:00. Daylight saving starts annually on the second Sunday of March.
End: Atlantic Daylight Time (ADT) ends on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, November 1, 2026, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the first Sunday of November.
ADT representations, usage and related time zones
- -03 - basic short
- -0300 - basic
- -03:00 - extended
- -0300 - sign character (-) followed by a four digit time providing hours (03) and minutes (00) of the offset. Indicates an offset of three hours to the west of the zero meridian.
- Papa - Military abbreviation for ADT
- P - short form of 'Papa'
- America/Glace_Bay
- America/Goose_Bay
- America/Halifax
- America/Moncton
- America/Thule
- Atlantic/Bermuda
- Canada/Atlantic
- ADT - Atlantic Daylight Time
- PMT - Pierre & Miquelon Standard Time
- PMST - Pierre & Miquelon Standard Time
- AMST - Amazon Summer Time
- ART - Argentina Time
- BRT - Brasília time
- CLST - Chile Summer Time
- FKST - Falkland Islands Summer Time
- GFT - French Guiana Time
- P - Papa Time Zone
- PYST - Paraguay Summer Time
- SRT - Suriname Time
- UYT - Uruguay Time
Ecuador Time
Offset: ECT is 5 hours behind Greenwich Mean Time (GMT) and is used in South America
Countries using this time zone: Ecuador
Principal Cities: The largest city in the ECT time zone is Quito in Ecuador, with about 2.782 million people. Other major cities in this time zone include Guayaquil, Cuenca, Santo Domingo de los Colorados, Machala.
Daylight Saving: Clocks in Ecuador Time (ECT) do not change for daylight saving time, so ECT stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
ECT representations, usage and related time zones
- -05 - basic short
- -0500 - basic
- -05:00 - extended
- -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates an offset of five hours to the west of the zero meridian.
- Romeo - Military abbreviation for ECT
- R - short form of 'Romeo'
- CDT - Central Daylight Time
- EST - Eastern Standard Time
- ET - Eastern Time
- COT - Colombia Time
- CST - Cuba Standard Time
- EASST - Easter Island Summer Time
- ECT - Ecuador Time
- PET - Peru Time
- R - Romeo Time Zone