noun
Meaning 1
A variant of daylight saving time, two hours ahead of GMT, used by Britain in the summers of 1941 to 1945, during World War II.
Definition source: English Wiktionary via Wiktextract
Usage: historical, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: BDST
Antonyms: none provided
Broader terms: double summer time