Harvard Christmas Carol Servie 2024. The annual christmas carol service, sung by the harvard university choir, is america’s oldest carol service. The 105th annual carol services will be held in the church on sunday, december 14 at 5:00 p.m., and on monday, december 15 at 8:00 p.m.

Sunday, december 12, 2021, 5:00pm to 7:00pm. It is free and open to the public.