Crossword puzzle clue "first part of day"

Day after day after day . . .

It has both National Cheese Day and National Cognac Day ... on the same day no less

Film character whose first line is "First day of school!"

First part of day

First word across in the first-ever crossword (1913) and the first of a dozen appearances of the word in this puzzle's grid, written word search-style (left, right, down, and diagonally) ... Can you f

Party of the first part and party of the second part, e.g.

Part of a cassette with the first part of an album

Rare occurrence at the U.S. Open on Father's Day that's a common occurrence at the U.S. Open on Labor Day