Crossword puzzle clue "serendipitous occurrence"

Serendipitous occurrence

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

The right amount to be serendipitous?

Is serendipitous

Serendipitous occurrences

Serendipitous, perhaps

Serendipitous gifts

Find in a serendipitous way