ADT to EASST Converter
Quick answers
Selected conversion
9:00 am ADT (UTC-3), Oct 3, 2026 = 7:00 am EASST (UTC-5), Oct 3, 202609:00 ADT (UTC-3), Oct 3, 2026 = 07:00 EASST (UTC-5), Oct 3, 2026
ADT is 2 hours ahead of EASST.
ADT and EASST examples
These examples always use ADT (UTC-3) and EASST (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 EASST.
How the time difference changes
Depending on seasonal clock changes, AST is 1 hour ahead of EASST, ADT is 2 hours ahead of EASST, or ADT is 3 hours ahead of EAST.
Depending on seasonal clock changes, working hours of 9:00 am to 5:00 pm in AST correspond to 8:00 am to 4:00 pm in EASST, working hours of 9:00 am to 5:00 pm in ADT correspond to 7:00 am to 3:00 pm in EASST, or working hours of 9:00 am to 5:00 pm in ADT correspond to 6:00 am to 2:00 pm in EAST.Depending on seasonal clock changes, working hours of 09:00 to 17:00 in AST correspond to 08:00 to 16:00 in EASST, working hours of 09:00 to 17:00 in ADT correspond to 07:00 to 15:00 in EASST, or working hours of 09:00 to 17:00 in ADT correspond to 06:00 to 14:00 in EAST.
Compare ADT time with EASST 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 Easter Island Summer Time
9:00 am09:00 in ADT is 7:00 am07:00 in EASST
ADT to EASST 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 EASST
9:00 am09:00 Atlantic Daylight Time (ADT). Offset UTC -3:00 hours
7:00 am07:00 Easter Island Summer Time (EASST). Offset UTC -5:00 hours
9:00 am09:00 ADT / 7:00 am07:00 EASST
| ADT | EASST |
|---|---|
| 12am (midnight) | 10pm |
| 1am | 11pm |
| 2am | 12am (midnight) |
| 3am | 1am |
| 4am | 2am |
| 5am | 3am |
| 6am | 4am |
| 7am | 5am |
| 8am | 6am |
| 9am | 7am |
| 10am | 8am |
| 11am | 9am |
| 12pm (noon) | 10am |
| 1pm | 11am |
| 2pm | 12pm (noon) |
| 3pm | 1pm |
| 4pm | 2pm |
| 5pm | 3pm |
| 6pm | 4pm |
| 7pm | 5pm |
| 8pm | 6pm |
| 9pm | 7pm |
| 10pm | 8pm |
| 11pm | 9pm |
| 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
Easter Island Summer Time
Offset: EASST is 5 hours behind Greenwich Mean Time (GMT) and is used in Pacific
Countries using this time zone: Chile
Daylight Saving: Easter Island Summer Time (EASST) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Easter Island Standard Time (EAST).
Start: Easter Island Summer Time (EASST) started on Saturday, September 5, 2026 at 10:00 pm22:00 local time and clocks were set one hour forward to Saturday, September 5, 2026, 11:00 pm23:00. Daylight saving starts annually on the first Saturday of September.
End: Easter Island Summer Time (EASST) ends on Saturday, April 3, 2027 at 10:00 pm22:00 local time and clocks are set one hour back to Saturday, April 3, 2027, 9:00 pm21:00 local standard time instead. Daylight saving ends annually on the first Saturday of April.
EASST 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 EASST
- 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