a. rare. [f. L. calendāri-us (or Eng. CALENDAR) + -AL.] = next.

1

1867.  M. Arnold, Celtic Lit., 59. Arthur and his Twelve (?) Knights of the Round Table signifying solely the year with its twelve months;… Stonehenge and the Gododin put to purely calendarial purposes.

2

1880.  Contemp. Rev., April, 585. The calendaria! system of Genesis.

3