Arcana Coelestia # 6798
6798. 'And it happened in [the course of] these many days' means after quite a number of changes of state. This is clear from the meaning of 'days' as states, dealt with in 23, 487, 488, 4893, 893, 2788, 3462, 3785, 4850, so that 'it happened in many days' means after quite a number of states or after quite a number of changes of state.
Zechariah 13:8-9
8
It shall happen that in all the land," says Yahweh, "two parts in it will be cut off and die; but the third will be left in it.
9
I will bring the third part into the fire, and will refine them as silver is refined, and will test them like gold is tested. They will call on my name, and I will hear them. I will say, 'It is my people;' and they will say, 'Yahweh is my God.'"