Iranshahr, Iran to ADT
Time Difference
IST (Iran Standard Time) is 7 hours and 30 minutes ahead of Atlantic Standard Time
10:00 am10:00 in Iranshahr, Iran is 2:30 am02:30 in AST
Iranshahr to ADT call time
Best time for a conference call or a meeting is between 2:30pm-6pm in Iranshahr which corresponds to 8am-11:30am in ADT
10:00 am10:00 IST (Iran Standard Time) (Iranshahr, Iran). Offset UTC +3:30 hours 
 2:30 am02:30 Atlantic Standard Time (AST). Offset UTC -4:00 hours
10:00 am10:00 Iranshahr, Iran / 2:30 am02:30 AST
| Iranshahr, Iran | AST | 
|---|---|
| 12am (midnight) | 4:30 pm | 
| 1am | 5:30 pm | 
| 2am | 6:30 pm | 
| 3am | 7:30 pm | 
| 4am | 8:30 pm | 
| 5am | 9:30 pm | 
| 6am | 10:30 pm | 
| 7am | 11:30 pm | 
| 8am | 12:30 am | 
| 9am | 1:30 am | 
| 10am | 2:30 am | 
| 11am | 3:30 am | 
| 12pm (noon) | 4:30 am | 
| 1pm | 5:30 am | 
| 2pm | 6:30 am | 
| 3pm | 7:30 am | 
| 4pm | 8:30 am | 
| 5pm | 9:30 am | 
| 6pm | 10:30 am | 
| 7pm | 11:30 am | 
| 8pm | 12:30 pm | 
| 9pm | 1:30 pm | 
| 10pm | 2:30 pm | 
| 11pm | 3:30 pm | 
| 0:00 | 16:30 | 
| 1:00 | 17:30 | 
| 2:00 | 18:30 | 
| 3:00 | 19:30 | 
| 4:00 | 20:30 | 
| 5:00 | 21:30 | 
| 6:00 | 22:30 | 
| 7:00 | 23:30 | 
| 8:00 | 0:30 | 
| 9:00 | 1:30 | 
| 10:00 | 2:30 | 
| 11:00 | 3:30 | 
| 12:00 | 4:30 | 
| 13:00 | 5:30 | 
| 14:00 | 6:30 | 
| 15:00 | 7:30 | 
| 16:00 | 8:30 | 
| 17:00 | 9:30 | 
| 18:00 | 10:30 | 
| 19:00 | 11:30 | 
| 20:00 | 12:30 | 
| 21:00 | 13:30 | 
| 22:00 | 14:30 | 
| 23:00 | 15:30 | 
Iranshahr Information
Time Zone
IRDT - Iran Daylight Time
+4:30 hours during Iran Daylight Time.
Iranshahr Facts
Atlantic Daylight Time
Offset: ADT is 3 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: Bermuda, Canada, Greenland
Principal Cities: The largest city in the ADT timezone is Halifax from Canada with population about 359,111 people. Other major cities in the area are Sydney, Dartmouth, Saint John, Moncton
French: HAA - Heure Avancée de l'Atlantique
                                        Daylight Saving: Atlantic Daylight Time (ADT) is a daylight saving/summer time zone, however during winter some places adjust time for one hour back and observe Atlantic Standard Time (AST).
End: Atlantic Daylight Time (ADT) has ended on Sunday,  November 2, 2025 at 2:00 am local time and clocks were set one hour back to Sunday,  November 2, 2025,  1:00 am local standard time instead. Daylight saving ends annually the on first Sunday of November
Start: Atlantic Daylight Time (ADT) starts on Sunday,  March 8, 2026 at 2:00 am local time and clocks are set one hour forward to Sunday,  March 8, 2026,  3:00 am. Daylight saving starts annually the on second Sunday of March
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 three hour and zero minutes time differences 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
 - WGT - West Greenland Time
 - AMST - Amazon Summer Time
 - ART - Argentina Time
 - BRT - BrasÃlia 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