Calendrical Document C (4Q326)
In the first (month) on the fourth (day) is Sabbath…
On the eighth (day) in it [is Sabbath] …
On the eleventh (day) in it is Sabbath…
[On the 14th (day) in it is Passover on the third (day of the week).
On the 15th (day) in it: the feast of the Unleavened Bread on the fourth (day of the week).
On the 18th (day) is Sabbath.
On the 25th (day) in it: Sabbath.