It is celebrated 14.01.2026 according to the Julian calendar, or 27.01.2026 according to the Gregorian calendar. See what else we celebrate on that day here.
St Hilary, Bishop of Poitiers
An ardent fighter against Arianism in the West, he suffered greatly for his choice of Orthodoxy. Of his writings on many subjects, the most important are those on the Holy Trinity. He entered into rest in the Lord in the year 367.