Their "holidays" were "holy days" where they had to go on long pilgrimages, etc. It wasn't the day where they sat at home and did fun things, they were the days where their religious duties trumped their farm work duties. And, when it came to their "time off" those were the times when they were mending pots and pans, sewing up holes in clothes, and other housework that they didn't have time for when they were out in the fields.