| Clue | Source | Date |
|---|---|---|
| Western Arab's lute dubiously claimed with 12 as a basis | ||
| Dozenth couple requiring medical treatment | The Times Cryptic | 19 Dec 2022 |
| As a system of counting, doctor aided locum | ||
| Base 12 | Newsday | 02 Jul 2017 |
| You need 12 to form such a system |