411 REFERENCE · Wiktionary
Seven Sleepers' Day
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Etymology
From the legend of the Seven Sleepers.
Proper noun
en proper noun Seven Sleepers' Day
June 27 in Germany (de Siebenschläfertag), a day whose weather is supposed to determine the average weather of the next seven weeks.
July 27 in Finland and Scandinavia, known as the National Sleepy Head Day in Finland
en Calendar Seven