| Clue | Source | Date |
|---|---|---|
| Prime time's beginning, on the East Coast | The New Yorker | 13 Jan 2020 |
| Friday and Saturday Broadway showtime | New York Times | 30 Aug 2019 |
| Friday and Saturday Broadway showtime | ||
| 20:00, to civilians | ||
| End of the dogwatch | ||
| "Family hour" beginning | ||
| Hour that ends a dogwatch: Naut. |