ADT to IST to Sydney, Australia
Time Difference
Atlantic Daylight Time is 8 hours and 30 minutes behind India Standard Time and 13 hours behind AEST (Australian Eastern Standard Time)
11:30 pm23:30 in ADT is 8:00 am08:00 in IST and is 12:30 pm12:30 in Sydney, Australia
ADT to IST call time
Best time for a conference call or a meeting is between 8am-10am in ADT which corresponds to 4:30pm-6:30pm in IST
ADT to Sydney call time
Best time for a conference call or a meeting is between 6:30am-8:30am in ADT which corresponds to 7:30pm-9:30pm in Sydney
11:30 pm23:30 Atlantic Daylight Time (ADT). Offset UTC -3:00 hours
8:00 am08:00 India Standard Time (IST). Offset UTC +5:30 hours
12:30 pm12:30 AEST (Australian Eastern Standard Time) (Sydney, Australia). Offset UTC +10:00 hours
11:30 pm23:30 ADT / 8:00 am08:00 IST / 12:30 pm12:30 Sydney, Australia
| ADT | IST | Sydney, Australia |
|---|---|---|
| 12am (midnight) | 8:30 am | 1pm |
| 1am | 9:30 am | 2pm |
| 2am | 10:30 am | 3pm |
| 3am | 11:30 am | 4pm |
| 4am | 12:30 pm | 5pm |
| 5am | 1:30 pm | 6pm |
| 6am | 2:30 pm | 7pm |
| 7am | 3:30 pm | 8pm |
| 8am | 4:30 pm | 9pm |
| 9am | 5:30 pm | 10pm |
| 10am | 6:30 pm | 11pm |
| 11am | 7:30 pm | 12am (midnight) |
| 12pm (noon) | 8:30 pm | 1am |
| 1pm | 9:30 pm | 2am |
| 2pm | 10:30 pm | 3am |
| 3pm | 11:30 pm | 4am |
| 4pm | 12:30 am | 5am |
| 5pm | 1:30 am | 6am |
| 6pm | 2:30 am | 7am |
| 7pm | 3:30 am | 8am |
| 8pm | 4:30 am | 9am |
| 9pm | 5:30 am | 10am |
| 10pm | 6:30 am | 11am |
| 11pm | 7:30 am | 12pm (noon) |
| 0:00 | 8:30 | 13:00 |
| 1:00 | 9:30 | 14:00 |
| 2:00 | 10:30 | 15:00 |
| 3:00 | 11:30 | 16:00 |
| 4:00 | 12:30 | 17:00 |
| 5:00 | 13:30 | 18:00 |
| 6:00 | 14:30 | 19:00 |
| 7:00 | 15:30 | 20:00 |
| 8:00 | 16:30 | 21:00 |
| 9:00 | 17:30 | 22:00 |
| 10:00 | 18:30 | 23:00 |
| 11:00 | 19:30 | 0:00 |
| 12:00 | 20:30 | 1:00 |
| 13:00 | 21:30 | 2:00 |
| 14:00 | 22:30 | 3:00 |
| 15:00 | 23:30 | 4:00 |
| 16:00 | 0:30 | 5:00 |
| 17:00 | 1:30 | 6:00 |
| 18:00 | 2:30 | 7:00 |
| 19:00 | 3:30 | 8:00 |
| 20:00 | 4:30 | 9:00 |
| 21:00 | 5:30 | 10:00 |
| 22:00 | 6:30 | 11:00 |
| 23:00 | 7:30 | 12:00 |
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 timezone, however during winter some places switch clocks for one hour back and observe Atlantic Standard Time (AST).
Start: Atlantic Daylight Time (ADT) started on Sunday, March 10, 2024 at 2:00 am local time and clocks were set one hour forward to Sunday, March 10, 2024, 3:00 am. Daylight saving starts annually the on second Sunday of March
End: Atlantic Daylight Time (ADT) ends on Sunday, November 3, 2024 at 2:00 am local time and clocks are set one hour back to Sunday, November 3, 2024, 1:00 am local standard time instead. Daylight saving ends annually the on 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 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
- Atlantic Daylight Time - UTC -3
- Apia Daylight Time - UTC +14
- Arabian Daylight Time - UTC +4
- 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
India Standard Time
Offset: IST is 5 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Asia
Countries: It is used in following countries: India
Principal Cities: The largest city in the IST timezone is Mumbai from India with population about 12.692 million people. Other major cities in the area are Delhi, Bangalore, Kolkata, Chennai
Daylight Saving: India Standard Time (IST) is not adjusted for daylight saving therefore IST remains the same through out the year. This means, unlike some time zones where the clock is set forward by one hour every summer and backward by one hour during winter to adjust for daylight saving, India Standard Time remains the same
IST representations, usage and related time zones
- +0530 - basic
- +05:30 - extended
- +0530 - sign character (+) followed by a four digit time providing hours (05) and minutes (30) of the offset. Indicates five hour and thirty minutes time differences to the east of the zero meridian.
- Asia/Calcutta
- Asia/Kolkata
- India Standard Time - UTC +5:30
- Irish Standard Time - UTC +1
- Israel Standard Time - UTC +2
- Iran Standard Time - UTC +3:30
Sydney Information
Time Zone
AEDT - Australian Eastern Daylight Time
+11:00 hours during Australian Eastern Daylight Time.
Sunday, October 6, 2024 at 2:00 am local time. DST starts annually the on first Sunday of October. Clocks are turned forward 1 hour to Sunday, October 6, 2024, 3:00 am local daylight time instead. Also called Spring Forward or Summer Time.
Sunday, April 7, 2024 at 3:00 am local time. DST ends annually the on first Sunday of April. Clocks are turned backward 1 hour to Sunday, April 7, 2024, 2:00 am local standard time instead. Also called Fall Back or switch to Winter Time.