Looking up...
She works during the day and studies at night.
Sie arbeitet tagsüber und studiert nachts.
während des Tages
Birds are most active during the day.
Vögel sind tagsüber am aktivsten.
The store is open during the day but closed at night.
Das Geschäft hat tagsüber geöffnet, aber nachts geschlossen.
Often used to contrast with 'at night' or 'overnight'.
Avoid using 'during the day' to mean 'every day'—use 'daily' or 'every day' instead.
Use 'during the day' when contrasting with nighttime activities or to emphasize the daylight period.
From Old English 'duru' (door) via Middle English 'during' (lasting for the time of), combined with 'the day'. The phrase emerged in Middle English as a temporal prepositional construction.
Used to specify a time frame within daylight hours. Common in daily conversation and formal contexts alike. Not interchangeable with 'at daytime' (which is less natural in English).