A 'month,' as in Genesis 29, signifies the end of an earlier state and the beginning of a following state, thus a new state. 'A month' signifies a full state.

(Odkazy: Arcana Coelestia 3814)

8055. 'Which He swore to your fathers to give you' means which the Divine promised to those governed by goodness and truth. This is clear from the meaning of 'swearing', when done by Jehovah, as unchangeable confirmation from the Divine, 2842, 3375, so that 'swearing to give' means a promise; and from the meaning of 'fathers' as those governed by goodness and truth, for when the Church is the subject 'fathers' means the ancients, that is, the Ancient Churches, which were governed by goodness and truth, 6050, 6075, 6589, 6876, 6884, 7649.