One lunar year is 364 days long. Adding the 'day' in 'year and a day' gives you the full solar year that most people use now.
LM
A year and a day is exactly the duration of an old-fashioned Celtic temporary marriage. One was permitted one of these short-term marriages with any eligible other person as a kind of a trial period.
That makes a lot of sense.
printable version chaos
Everything2 Help