| DIEL | Of a 24-hour period, in biology |
| LEMANS | City in France, site of a 24-hour endurance race (2,4) |
| ONEDAY | "At some 24-hour period in the future...": 2 wds. |
| SOLARDAY | 24-hour period, in astronomy |
| NIGHT | Period of darkness in a 24 hour period of time (5) |
| TORNADOES | During 2011's "Super Outbreak," a record 190 of these were recorded in a 24-hour period across six states |
| AMONG | Within a 24-hour period, losing a half grand (5) |
| TUESDAY | Staged duet, say, in a 24-hour period (7) |
| ILKADAY | (Referring to) every one of the 24-hour periods in a week (7) |
| CALLITADAY | Set the style for a 24-hour period and pack up |
| DIEM | Involving a 24 hour period |
| WEEKDAY | Little girl, daughter sheltered for a 24-hour period |
| DAY | A 24 hour period |
| SUNDAE | Dessert that sounds like a 24-hour period |
| DAYS | 24-hour periods in birthday suit (4) |
| THURSDAY | Known in Latin as Jovis dies and derived from the name of a thunder god, one of the 24-hour periods of a week (8) |
| REALDAY | Genuine 24-hour period, e.g. in a recount of a life (4,3) |
| MONDAY | Twenty-four-hour period in month around October, November, December, initially |
| OWAINWYNEVANS | Welsh BBC weatherman who raised over £3 million for Children in Need in a 24-hour drumathon in 2021 |
| ETA | Seventh of a 24-letter alphabet |
