| Answer | Crossword Clue |
|---|---|
| EQUINOX | Semiannual event |
| EQUINOX | Semiannual event. |
| EQUINOX | Semiannual astronomical event |
| SOLSTICE | Semiannual occurrence |
| MIGRATION | Birds' semiannual flight |
| HOUR | Semiannual time-change amount |
| DST | Reason for a semiannual shift: Abbr. |
| MILAN | Italian city with a semiannual fashion week |
