holidays
June 27,
Seven Sleepers' Day or Siebenschläfertag (Germany)
Seven Sleepers' Day
Seven Sleepers' Day on June 27 is a feast day commemorating the legend of the Seven Sleepers as well as one of the best-known bits of traditional weather lore remaining in German-speaking Europe. The atmospheric conditions on that day are supposed to determine or predict the average summer weather of the next seven weeks.