When can you begin having Christmas music during worship services? Some suggest that the liturgical calendar requires 4 weeks of Advent preparation before Christmas begins. So you don't hear a note of Christmas music until Christmas Eve. Others believe that Christmas music is appropriate during the weeks of Advent. While I can see the merits of both sides, I personally fall into the second category. Then again, I've celebrated "Christmas in July" before in congregations, complete with Christmas carols and outreach mission efforts, so I might be an outlier in this conversation, given that I think Christmas music is appropriate during the season after Pentecost. Partially, this is because I think that most Christians are more familiar with the cultural calendar nearing Christmas, rather than the liturgical calendar. It can be weird to hear Christmas music, including religious music like "Joy to the World" or "Do You Hear What I Hear?" on th...