The Sentry accepts calendar listings from nonprofit organizations. Submissions must be received 10 days prior to publication. Please email your listing to firstname.lastname@example.org and indicate the date of your event in the reference line. Listings also may be mailed to: The Sentry, 457 Alfred St., P.O. Box 1894, Biddeford, ME 04005. Church service, 9 a.m., The Church of Jesus Christ of Latter-Day Saints, 29 Ocean House Road, Cape Elizabeth.