'Appointed' in the Bible

"'These are the set feasts of Yahweh, even holy convocations, which you shall proclaim in their appointed season.

"'These are the appointed feasts of Yahweh, which you shall proclaim to be holy convocations, to offer an offering made by fire to Yahweh, a burnt offering, and a meal offering, a sacrifice, and drink offerings, each on its own day;

Moses declared to the children of Israel the appointed feasts of Yahweh.