Holy Saturday — In the primitive Church Holy Saturday was known as Great, or Grand, Saturday, Holy Saturday, the Angelic Night, the Vigil of Easter, etc.
It is no longer, like Maundy Thursday, a day of joy, but one of joy and sadness intermingled; it is the close of the season of Lent and penance, and the beginning of paschal time, which is one of rejoicing.
By a noteworthy exception, in the early Church this was the only Saturday on which fasting was permitted (Constit. Apost., VII, 23), and the fast was one of special severity. Dating from the time of St. Irenaeus, an absolute fast from every kind of food was observed for the forty hours preceding the feast of Easter, and although the moment assigned for breaking the fast at dawn on Sunday varied according to time and country, the abstinence from food on Holy Saturday was general.
The night of the vigil of Easter has undergone a strange displacement. During the first six or seven centuries, ceremonies were in progress throughout the entire night, so that the Alleluia coincided with the day and moment of the Resurrection.
In the eighth century these same ceremonies were held on Saturday afternoon and, by a singular anachronism, were later on conducted on Saturday morning, thus the time for carrying out the solemnity was advanced almost a whole day.
Thanks to this change, special services were now assigned to Holy Saturday whereas, beforehand, it had had none until the late hour of the vigil.