April 6 - Eastern Orthodox liturgical calendar - April 8
Venerable Nilus of Sora.
Maximus Confessor
April 19 - Eastern Orthodox liturgical calendar - April 21
Zacchaeus's sycamore fig in Jericho, contained in the grounds of the Russian Museum.
Venerable Anastasius Sinaita, Abbot of the Monastery of St. Catherine at Sinai.
Venerable Alexander of Oshevensk, founder of Oshevensk Monastery, Arkhangelsk.
Child-Martyr Gabriel of Zabludov (Gabriel of Slutsk).