Time of day is a broad term that can refer to any point in a 24-HOUR period. The crossword solutions for this term include 'HOUR' (4 letters), 'EVE' (3 letters), 'DAWN' (4 letters), 'MORN' (4 letters), 'NOON' (4 letters), 'SUNUP' (5 letters), 'EVENING' (7 letters), and 'moonset' (7 letters), as well as 'EVENTIDE' (8 letters). HOUR and NOON refer to specific points in the day, while EVE, DAWN, MORN, SUNUP, EVENING, moonset, and EVENTIDE are more general terms that refer to the time around sunrise, sunset, and twilight.