calendic

Relating to calendic acid or its derivatives

According to, relating to, or concerning the calendar.

In consequence of this it was impossible to send out messengers to announce the coming of the festivals, and therefore the Patriarch Hillel, with the consent of the Sanhedrim determined to reveal the secret of the calendic calculation.

According to them all sorcerers, necromancers and evil-doers were born under the baleful influence of the seventh calendic sign[.]