Feast Days

The Monastery celebrates the feast day of the Transfiguration of the Saviour, on 6 August (19 August, Julian date), which is the event in the life of Christ the cathedral is dedicated to. During the festival, the Monastery is flooded by a huge number of monks from other monasteries, sketes and cells of Agios Oros, as well as by many pilgrims. A great vigil is performed, in which choir members from the Pantokratoros and other monasteries take part.
The Monastery also celebrates the feast of the miraculous icon of Panagia Gerontissa, on the 2 December (15 December, Julian date), and at the feast of the Pantokratorian Fathers on 15 October (28 October, Julian date).

September
14 Pieces of the Sacred Wood (in a number of crosses).
16 The Great Martyr Eufimias.
20 The Great Martyr Eustathios (three pieces, in different reliquaries).
22 The Hieromartyr Foka Sinopeos.

October
3 Dionysios Areopagitos (the tip of his pinky, with flesh).
13 The Martyr Veniamin, deacon of Persia
18 The Evangelist Loukas (three pieces, in different reliquaries).
20 The Great Martyr Artemios.
24 The Great Martyr Arethas.
28 St Athanasios, Patriarch of Konstantinople (a rib, in a similarly-shaped reliquary).

November
1 Sts Anargyrioi Kosmas and Damianos of Asia.
4 The Venerable Ioannikios the Great (entire cranium, and a lower jaw in another reliquary).
9 The Martyr Onisiforos.
12 St Ioannis the Merciful, Patriarch of Alexandreias (a large piece of cranium, in a similarly-shaped reliquary).
13 St Ioannis Chrysostomos. 14 St Filippos the Apostle
25 The Martyr Merkourios (two pieces in different reliquaries).
30 The Apostle Andreas of Protoklitos (a large piece of his right leg and a piece of his palm in a similarly-shaped reliquary, a piece of his right hand in a hand-shaped reliquary, and two additional pieces in different reliquaries).

December
5 The Venerable Martyr Saint Kosmas Protos (a rib)
7 The Martyr Nikolaos
9 The Mother of the Blessed Virgin, St Anna
15 The Hieromartyr St Elefterios (two pieces in different reliquaries)
18 St Modestos, Patriarch of Jerusalem (five pieces in different reliquaries)
22 The Great Martyr Anastasias Farmakolutrias (a finger with flesh)
7 The Protomartyr Stefanos
8 The Holy 20,000 Martyrs of Nikomedia

January
1 The Great Vasileios (three pieces in different reliquaries)
7 St John the Baptist
18 The Great Athanasios, Patriarch of Alexandreia
20 Euthymios the Great
23 The Hieromartyr Klementos of Ankara
25 Gregorios the Theologian (three pieces in different reliquaries)
27 Ioannis Chrysostomos (a large piece of his leg and four pieces in different reliquaries).
29 The Hieromartyr Ignatios Theoforos
30 The Three Hierarchs (pieces in three different reliquaries)
31 St Ioannis, one of the Saints Anargyrioi

February
1 The Great Martyr Trifonos (a piece of his right hand in one hand-shaped reliquary, and nine pieces in different reliquaries)
8 The Great Martyr Theodoros of Stratilatos (a large piece of his cranium in an analagous-shaped reliquary, and three pieces in different reliquaries)
10 The Hieromartyr Charalambos (a finger in a similarly-shaped reliquary, and nine pieces in different reliquaries)
11 The Hieromartyr Vlasios
17 The Great Martyr Theodoros of Tironos (two pieces in two different reliquaries)

April
4 St Theonas of Pantokratoros, Archbishop of Thessaloniki
6 The five young martyrs of Samothrace
11 The Hieromartyr Antipa of Pergamos (two pieces in different reliquaries)
12 The Venerable Akakios of Kausokalybitos
23 The Great Martyr Georgios (two pieces in different reliquaries).

May
1 The Venerable Martyrs Euthymios, Ignatios, and Akakios of the Skete of Iviron
2 The Great Martyr Athanasios, Patriarch of Alexandrias
16 The Venerable Martyrs, the Fathers of Savaitos (blood mixed with soil)
21 The Equals of the Apostles Constantinos and Eleni
23 St Michael of Synnada, the Confessor (piece of a cross)

June
8 The Great Martyr Theodoros of Stratilatos
21 The Martyr Ioulianos of Tarseos
28 St Ioannis, one of the Saints Anargyrioi

July
1 The Saints Anargyrioi Kosmas and Damianos of Rome (four pieces of a cranium in an similarly-shaped reliquary, and two pieces in different reliquaries)
8 The Great Martyr Prokopios
8 The Venerable Theofilos of Pantokratoros (the right hand in the position of blessing, with the flesh)
11 The Great Martyr Eufimias
15 St Kyrikos (a piece of the right hand in a reliquary of the same form, and one piece in a different reliquary)
15 St Ioulitta (an ulna with flesh in a reliquary shaped like a wrist)
17 The Great Martyr Marina
22 St Mary Magdalene
23 The Hieromartyr Foka of Sinope (two pieces in different reliquaries)
25 The Mother of the Blessed Virgin, St Anna
26 The Venerable Martyr Paraskevi (a drop of blood in a reliquary, a piece of cranium and four other pieces in different reliquaries)
26 The Hieromartyr Ermolaos (a drop of blood in a reliquary, and a piece in another reliquary)
27 The Great Martyr Panteleimonos (a drop of blood in a reliquary, and six pieces in different reliquaries).

August
1 Pieces of the Sacred Wood in a number of crosses
2 The Protomartyr Stephanos
11 The Martyr Euplos the Deacon

During the Period of Lent
Sunday of the Samaritan: St Foteini the Samaritan (an ulna with flesh, in a similarly-shaped reliquary).