Timkat is the Ethiopian Orthodox celebration of Christ's baptism in the Jordan River, held every January 19 with processions in which priests carry the tabot, a replica of the Ark of the Covenant that is each church's most sacred object, from the church to a nearby body of water for an overnight vigil and a dawn ceremony of blessing and renewal. The tabot itself is normally kept veiled inside the church sanctuary at all times and is brought into public view only on occasions such as Timkat, carried on a senior priest's head beneath an embroidered cloth and shielded from direct view by ceremonial umbrellas held above it.
The Ethiopian Orthodox Church's own teaching materials trace national observance of the feast to the reign of Emperor Gebre Meskel in the sixth century, making Timkat one of the longest continuously observed Christian festivals anywhere, and imperial decrees later formalized its now familiar public procession: Emperor Zera Yaqob ordered in 1426 that tabots be carried to nearby pools the evening before the feast to bless the water overnight, and Emperor Naod ordered in 1486 that the faithful escort them in a full public procession rather than a quieter clerical rite.
Timkat, from the Ge'ez word for immersion in water, names the baptismal act it commemorates directly, and the feast's central ritual moment comes at dawn, when the officiating priest blesses the assembled water and, in many places, sprinkles or fully immerses the gathered faithful in it as a renewal of their own baptismal vows, the specific act that gives the whole festival its name and its devotional center.