"This month shall be unto you the beginning of months; it shall be the first month of the year to you."
"and ye shall keep it unto the fourteenth day of the same month"
"In the first month, on the fourteenth day of the month at even, ye shall eat unleavened bread"
Sections of Exodus 12 JPS Jewish Publication Society Tanakh 1917
https://biblehub.com/jps/exodus/12.htm
If Rosh Hashana is Jewish new year then they celebrate it at the wrong time of year relative to passover
More Orthodox "Jewish" Fraud