leapday
- Feb-29
- Bissextile occurrence
- March preceder, periodically
- 2/29/16, e.g. ... or a hint to the circled squares in this puzzle
- February 29th
- Springtime opened up opportunity for women?
- Pan side in series
- Quadrennial occasion celebrated by this puzzle's theme entries
- Feb. 29, 2024 occurrence
- Calendar rarity