お告つげの祝しゅく日じつMeanings1expression, nounAnnunciation Day; Lady DayChristianityChristian feast commemorating the angel Gabriel's announcement to Mary; celebrated on March 25.カトリック教きょう会かいでは、お告つげの祝しゅく日じつは三さん月がつ二に十じゅう五ご日にちに祝いわわれます。In the Catholic Church, Annunciation Day is celebrated on March 25.