| Abbreviation | Definition |
|---|---|
| AAW | Arts Awareness Week |
| ACSW | Australasian Computer Science Week |
| AD | Anno Domini (Year of Our Lord) |
| AD | Ante Diem (before the day) |
| ADN | Any Day Now |
| AF | April Fools |
| AFD | Alcohol Free Day |
| AFD | April Fools Day |
| AUBD | AUgust BirthDay |
| BAD | Blinker Appreciation Day |
| BADG | 2+1+4=7 (two equals B) (A equals 1 ) (4 equals D (7 equals G) BADG |
| BAMM | Bust A Move Monday |
| BF | Black Friday |
| BFF | Bank Failure Friday |
| BS | Black Sunday |
| BTW | British Tourism Week |
| C | Christmas |
| DABD | Draw A Bird Day |
| DB | Date Before |
| DD/MM/YY | Day/Month/Year |