Word.ws English Dictionary

double summer time

double summer time noun: the advancing of clocks by two hours ahead of winter time in the summer instead of the usual one hour; mainly used during World War II in the United Kingdom.

Noun

double summer time (uncountable)

  1. (historical) The advancing of clocks by two hours ahead of winter time in the summer instead of the usual one hour; mainly used during World War II in the United Kingdom.
    • Double summertime in Ireland had some curious effects on timetables, seeing that in Eire the single additional hour only was worked to, whereas in Northern Ireland the full British two-hour addition was in operation.1941 September, “Notes and News: Timetable Puzzles in Ireland”, in Railway Magazine, page 428

Questions about double summer time

What does double summer time mean?
Double summer time means the advancing of clocks by two hours ahead of winter time in the summer instead of the usual one hour; mainly used during World War II in the United Kingdom.
What part of speech is double summer time?
Double summer time is a noun.

Words near double summer time in the dictionary

  1. double stouts
  2. double straddle
  3. double straddles
  4. double suicide
  5. double suicides
  6. double summer time
  7. double switch
  8. double switches
  9. double tackle
  10. double tackles
  11. double take

Source and license

Adapted from Wiktionary: double summer time (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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