Mountain Brook, AL, USA to HAA
Time Difference
CST (Central Standard Time) is 3 hours behind Heure Avancée de l'Atlantique
12:30 pm12:30 in Mountain Brook, AL, USA is 3:30 pm15:30 in HAA
Mountain Brook to HAA call time
Best time for a conference call or a meeting is between 8am-3pm in Mountain Brook which corresponds to 11am-6pm in HAA
12:30 pm12:30 CST (Central Standard Time) (Mountain Brook, AL, USA). Offset UTC -6:00 hours
3:30 pm15:30 Heure Avancée de l'Atlantique (HAA). Offset UTC -3:00 hours
12:30 pm12:30 Mountain Brook, AL, USA / 3:30 pm15:30 HAA
| Mountain Brook, AL, USA | HAA |
|---|---|
| 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 | 12am (midnight) |
| 10pm | 1am |
| 11pm | 2am |
| 0:00 | 3:00 |
| 1:00 | 4:00 |
| 2:00 | 5:00 |
| 3:00 | 6:00 |
| 4:00 | 7:00 |
| 5:00 | 8:00 |
| 6:00 | 9:00 |
| 7:00 | 10:00 |
| 8:00 | 11:00 |
| 9:00 | 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 | 0:00 |
| 22:00 | 1:00 |
| 23:00 | 2:00 |
Mountain Brook Information
Time Zone
Abbreviation / Name
CST - Central Standard Time
CDT - Central Daylight Time
CDT - Central Daylight Time
UTC / GMT Offset
-6:00 hours during Central Standard Time, currently in use.
-5:00 hours during Central Daylight Time.
-5:00 hours during Central Daylight Time.
Daylight Saving Time Change
+1:00 hour - DST is NOT in use
Daylight Saving Time Starts
Sunday, March 10, 2024 at 2:00 am local time. DST starts annually the on second Sunday of March. Clocks are turned forward 1 hour to Sunday, March 10, 2024, 3:00 am local daylight time instead. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
Sunday, November 3, 2024 at 2:00 am local time. DST ends annually the on first Sunday of November. Clocks are turned backward 1 hour to Sunday, November 3, 2024, 1:00 am local standard time instead. Also called Fall Back or switch to Winter Time.
Mountain Brook Facts
Country
USA
State
Alabama
Population
20,691
Currency
Dollar (USD)
Geographic Coordinates
33° 30' N Latitude / 86° 45' W Longitude
International Dialing Code
+1
Heure Avancée de l'Atlantique
Offset: HAA is 3 hours behind Greenwich Mean Time (GMT) and is used in North America
HAA representations, usage and related time zones
W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
- -03 - basic short
- -0300 - basic
- -03:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
- -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.
Military/NATO: Used by the U.S. military, Chinese military and others
- Papa - Military abbreviation for HAA
- P - short form of 'Papa'
Time zones with the GMT -3 offset:
- 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