daylight-savings time

day·light-sav·ing time (dlt-svng) or day·light-sav·ings time (-vngz)

n. Abbr. DST

Time during which clocks are set one hour or more ahead of standard time to provide more daylight at the end of the working day during late spring, summer, and early fall.

Thesaurus

Noun

1.

daylight-savings time - time during which clocks are set one hour ahead of local standard time; widely adopted during summer to provide extra daylight in the evenings daylight saving, daylight savings, daylight-saving time time - the continuum of experience in which events pass from the future through the present to the past