The Holy Ghost Service is a popular all-night Christian vigil held by the Redeemed Christian Church of God (RCCG), a Pentecostal church based in Nigeria. The vigil is typically held on the first Friday of every month and includes prayer, worship, teaching, and prophetic ministrations. The focus of the Holy Ghost Service is on seeking the power and presence of the Holy Spirit, and it is attended by thousands of worshippers from around the world. The service is known for its vibrant and energetic atmosphere and is often broadcast live on television and the internet.