During Great Lent on weekdays, the Announcement Bell is rung at the 3rd, 6th, and 9th Hours, as well as at Great Compline three strikes for the 3rd Hour, six for the 6th Hour, nine for the 9th Hour, and twelve for Great Compline. During Passion Week, the Announcement Bell is rung at the beginning of each Passion Gospel (Holy Friday Matins), according to the number of the Gospel one strike for the first, two for the second, etc. (At the conclusion of the reading of the Passion Gospels, the Trezvon is rung.) At the Royal Hours of Holy Friday, the Bell is rung three strikes for the 3rd Hour, six for the 6th and nine for the 9th.
Before the Divine Liturgy, the Announcement Bell is rung until the Hours begin (usually accompanied by twelve recitations of Psalm 51 for twelve strikes of the Bell or the recitation of Psalm 119), usually about one-half hour before the Liturgy.