| ILKADAY | (Referring to) every one of the 24-hour periods in a week (7) |
| 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) |
| DAYS | 24-hour periods in birthday suit (4) |
| SOLSTICES | Summer/winter events associated with the 32 Down, marking the longest or shortest 24-hr periods in a year (9) |
| EACH | Make a choice, referring to every single one (4) |
| TUESDAY | A duty's becoming tricky around end of the 24-hour period (7) |
| INFANTE | A title given to every one of sons of the kings of Spain (7) |
| INUIT | Race one part of the 24 hours at Le Mans |
| TODAY | A terrible toady for the 24-hour period before tomorrow (5) |
| ALLTHEBEST | Good wishes to every one of those shortlisted (3,3,4) |
| OXYGEN | Gas forged in stars and dispersed as cosmic dust, not only vital to every one of us, but the most abundant element in the Earth's crust (6) |
| ALLURES | Seduces every one of the engineers in America (7) |
| RONDEAU | Jean ___, French driver and constructor who won the 24 Hours of Le Mans in 1980 in a car bearing his own name |
| CHUKKAS | Periods in a polo match devoted to Chuck, as mentioned (7) |
| BULLION | Two of the 24 merge with valuable mass (7) |
| FLECHE | Meaning "arrow", a spirelet of a French Gothic cathedral; one of the 24 points on a backgammon board; or, a running attack in fencing (6) |
| FRIDAYS | Twenty-four hour periods (7) |
| TWINGE | One of the 24 that is two and a bit of it: it hurts a bit (6) |
| AJFOYT | Only driver to win the Indianapolis 500, the Daytona 500, the 24 Hours of Daytona, and the 24 Hours of Le Mans |
| CORPS | One of the 24 less 10, first to last in body (5) |
