daytime
n. uncountable A2 Elementary US //ˈdeɪˌtaɪm// UK //dˈeɪtaɪm// day·time
n. the time of day when it is light outside, between sunrise and sunset.
n. the period of light between dawn and dusk. Often used as a modifier before another noun to describe activities occurring during these hours.
The park is very busy during the daytime.
Many animals that sleep at night are active during the daytime to find food and warmth.
While the city is famous for its vibrant nightlife, the daytime reveals a much quieter atmosphere where locals go about their daily routines in the sunlit squares.
From day + time.
Usage
Commonly used as a modifier in phrases like 'daytime television' or 'daytime temperatures'.