The time of the Apple Savior comes on the feast of the Transfiguration of the Lord. In memory of the gospel events on Mount Tabor, when Jesus Christ, taking three of his disciples to support their faith, climbed to the top and appeared in all his glory. Like the Son of God. The Savior showed people what they would become in the life to come and how the earthly world would be transformed.On this day, believers bring the fruits of the new harvest to the temple for consecration: apples, plums, grapes. It was believed that the fruits are a kind of reward for a year of hard work and, consecrating apples, God's grace can sanctify all earthly labors.
Source: https://www.culture.ru/materials/128688/tri-spasa-avgusta-med-yabloki-khleb