English Dictionary

double summer time

noun

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

Double summer time is a practice of adjusting the clock forward by one hour during the summer months.

意味（1）

The advancing of clocks by two hours ahead of winter time in 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.