In the day; during the daytime. Frequently in opposition to nights. Now chiefly North American, except in to work days: to work during the day, as…

= adays, adv. 2. archaic and rare after Middle English.

In the daytime (as opposed to the night); during the day; by day. Cf. aday, adv. 2.

Daytime, the day. a daytal: by day, during the day. Cf. nightertale, n. Obsolete.

from sun to sun: between sunrise and sunset, during the day. Also †between (also betwixt) sun and sun. Cf. sense 4a.

Scottish. Between sunrise and sunset.