ENGLISH
REFERENCE

daytime

n. · adj.
US //ˈdeɪˌtaɪm// UK //dˈeɪtaɪm// day·time
  1. 1 the period of daylight (n.)
    A2 Elementary

    the time of day when it is light outside.

    the period of natural light between dawn and dusk.

    Example

    The park is much safer to walk through during the daytime.

    Example

    While the desert is scorching during the daytime, temperatures can plummet rapidly once the sun disappears below the horizon.

    Usage

    Often used with 'in the' or 'during the'.

  2. 2 happening during the day (adj.)
    B1 Intermediate

    describes something that happens or is used during the day rather than at night.

    occurring, active, or used during the hours of daylight.

    Example

    She prefers watching daytime television while she eats her lunch.

    Example

    The network shifted its programming strategy to include more educational daytime broadcasts for children staying home from school.

    Usage

    Usually placed before a noun.

    Teacher's tip

    In biological contexts, 'diurnal' is the technical term, but 'daytime' is the standard choice for everyday activities.

Origin

From day + time.

© 2026 English Reference