noun (n)

• the time after sunrise and before sunset while it is light outside(noun.time)

  Example:
  It is easier to make the repairs in the daytime.
  

  Synonym:
  day, daylight
  Antonym:
  dark, night, nighttime
  

  source: wordnet30
• The time during which there is daylight, as distinguished from the night.(noun)

  source: webster1913