The Dormition of our Most Holy Lady Theotokos and Ever-Virgin Mary. Thursday, August 28th. (August 15 old style) Divine Liturgy The Dormition of our Most Holy Lady Theotokos and Ever-Virgin Mary. Thursday, August 28th. (August 15 old style) Divine Liturgy August 16, 2025 Dmitry Kilin Thursday, August 28th. 8:00 am. The Dormition of our Most Holy Lady Theotokos and Ever-Virgin Mary. Divine Liturgy. (August 15th according to old style)