Definition of daylight saving in English:

daylight saving

noun

  • A method of securing longer evening daylight during the summer by setting the clocks ahead of standard time, typically by one hour; the period during which this is in force.

Origin

Early 20th century; earliest use found in Register (Adelaide). From daylight + saving.

Pronunciation

daylight saving

/ˈdeɪlʌɪt ˌseɪvɪŋ/