The midpoint between Pascha and Pentecost, celebrated on the Wednesday of the fourth week after Pascha. This feast commemorates Christ teaching in the Temple during the Feast of Tabernacles, offering "living water" to those who believe. The day connects Christ's Resurrection with the coming gift of the Holy Spirit, emphasizing continuous spiritual refreshment.

A brief night prayer service traditionally celebrated at midnight, anticipating the coming of Christ as the Bridegroom. Also called Mesonyktikon, this service includes psalms that speak of watching and waiting for the Lord, particularly Psalms 50 and 118. The Midnight Office emphasizes spiritual vigilance and the need to be always ready for Christ's return. In monastic communities, it is celebrated between Compline and Matins. The service includes the Creed and often commemorates the departed.

The evening prayer service of the Orthodox Church, traditionally celebrated at sunset. Vespers includes psalms, hymns, scripture readings, and incense. On Saturday evenings, Great Vespers is often combined with the Sunday Divine Liturgy. The service marks the end of the liturgical day and prepares the faithful for rest and reflection.

Brief prayer services traditionally celebrated at specific times of day: First Hour (6 AM), Third Hour (9 AM), Sixth Hour (noon), and Ninth Hour (3 PM). Each Hour includes psalms, troparia, and prayers appropriate to that time of day. These services sanctify the day and connect us to Christ's Passion, as they commemorate specific moments in His crucifixion and death.

A lengthy service combining Vespers and Matins, traditionally celebrated on the eve of Sundays and major feasts. The All-Night Vigil includes the singing of "Lord, I Call," the Magnificat, the Great Doxology, and numerous psalms and hymns. This service prepares the faithful spiritually for the upcoming feast.

The brother physicians who provided free medical care and were martyred under Diocletian. Celebrated on November 1st, these 'Unmercenary Healers' treated both physical and spiritual ailments without accepting payment. They are patron saints of physicians and pharmacists. Their example shows how professional skills can be a form of Christian ministry and service.