Definition of daylight saving time in English:

daylight saving time

(also daylight time)


North American
  • [mass noun] Time as adjusted to achieve longer evening daylight in summer by setting the clocks an hour ahead of the standard time.

    Compare with summer time
    • ‘The company's top worldwide executives punch into a conference call that begins promptly at 7 AM central daylight time.’
    • ‘This weekend Australians will be changing their clocks to daylight saving time, with the usual ensuing confusion.’
    • ‘Mars is visible as it rises from the east between 4: 30 and 5: 00 A.M. local daylight time.’
    • ‘I can still read a newspaper outside at 23: 00 daylight saving time at this time of year, so this fake time feels quite unnecessary.’
    • ‘To test for the economic effect of daylight saving time change we look at the first trading day following the transition to or from DST.’
    • ‘I know we have adjusted for daylight saving time, but we can still work out that Parliament starts at 2 o'clock.’
    • ‘‘I dread the fall daylight saving time change,’ she says.’
    • ‘Clocks were set forward to save energy in the winter of 1974, and daylight saving time lasted for eight months in 1975.’
    • ‘The planes are all hijacked between 7.45 and 8.10 am eastern daylight time.’
    • ‘The plane took off from Guam shortly after 12: 30 p.m. U.S. eastern daylight saving time.’
    • ‘It should become visible again during the last week of July and the first week of August, rising between 4: 30 and 5: 00 A.M. local daylight time low in the east-northeast.’
    • ‘Forget to set your clock for daylight saving time?’
    • ‘Spring ahead in much of Canada and the United States, as daylight saving time returns at 2: 00 A.M. local time on Sunday, the 4th.’
    • ‘He promised to institute daylight saving time to jump-start the economy.’
    • ‘After unsuccessfully campaigning against daylight saving time, drive-ins began losing patrons due to late starting times in summer.’
    • ‘Every year traffic accidents temporarily increase following the switch to daylight saving time, when people in affected regions lose just one hour of sleep.’
    • ‘Under the present law we have daylight time in October but not in March, even though the sun rises at similar times in both months.’


daylight saving time