487. 'Days means periods of time and states in general. This has been shown in Chapter 1, where the 'days of creation' have no other meaning. In the Word it is very common for a whole period of time to be called 'a day', as it clearly is in the present verse and in verses 5, 8, 11, 14, 17, 20, 23, 27, 31, below; and therefore the states that belong to periods of time in general are meant by 'days' as well. And when 'years' is attached, then periods of years mean the natures of those states, and so the states in particular.

[2] The most ancient people had their own particular numbers which they would use to mean different aspects of the Church - for instance, the numbers three, seven, ten, twelve, and many which they obtained from these and other numbers - and in so doing incorporated states of the Church. These numbers therefore contain arcana that would require considerable effort to unravel. Really a number was an evaluation of the states of the Church. The same feature occurs throughout the Word, especially in the prophetical. And the religious ceremonies of the Jewish Church also entail numbers specifying periods of time as well as quantities; for example, in connection with sacrifices, minchahs, oblations, and other practices, which in every case have special reference to holy things. Consequently eight hundred in this verse, nine hundred and thirty in the next, and the numbers of years mentioned in the verses that follow after that, embody in particular more matters than can possibly be retold; matters, that is to say, which have to do with changes in the state of their Church in relationship to their own general state. Later on, in the Lord's Divine mercy, the meaning of the simple numbers up to twelve will be given, for without knowing these first of all no one can grasp what compound numbers mean.

674. There was a great earthquake, signifies a notable change of state of the interiors with those who are of the church. This is evident from the signification of "a great earthquake," as being a notable change of the state of the church; for the "earth" signifies the church, "quaking" change of state, and "great" what is notable. (That an "earthquake" signifies in the Word a change of state of the church, see above, n. 400, 499.)

[2] The change of state in respect to the truths and goods of the church evidently sprang from causes that are described in the preceding verse, that is, because the two witnesses that had been killed and restored to life went up by command into heaven in the cloud, and their enemies beheld them. Thence it may be seen that the cause of this was the separation of the good from the evil, as has been shown in the preceding articles, where the going up of the two witnesses is explained. But this cannot be presented to the understanding unless it first be told how things are in the spiritual world; for the things described in this verse, namely, that "there was a great earthquake, and the tenth part of the city fell, and there were killed in the earthquake names of men seven thousand, and the rest became afraid and gave glory to the God of heaven," are things that take place, and in fact have already taken place at the time when the Last Judgement was at hand, but in the spiritual world, and not in the natural world; for when the good there are to be separated from the evil, and the good are to be protected from being harmed by the evil, then the good are taken away from the societies and the evil are left, according to the Lord's words in Matthew:

Two [men] shall be in the field, one shall be taken, the other shall be left; two [women] shall be grinding, one shall be taken, the other shall be left (Matthew 24:40, 41).

This may be seen explained in the Arcana Coelestia 4334, 4335). When the good are taken away there occurs in the societies in which the good and evil had been together, a notable change in respect to the things that pertain to the church.

[3] But the cause of this change shall be further disclosed. In the spiritual world there is a communication of all affections, and sometimes of thoughts; and within each society there is a general communication, extending itself from the middle of the society in every direction even to the boundaries, much as light spreads forth from a center to the circumferences. The variations and changes of the affections that arise from this communication and its extension spring from an influx of the affections from other societies, either above or at the sides, also from the newcomers that enter the society, and also from a few or many being taken away from the society.

[4] The societies upon which the Last Judgment came consisted both of the good and of the evil, but of such evil as were interiorly but not exteriorly opposed to the goods of love and the truths of doctrine; for exteriorly these were able to act rightly and justly and to speak piously and truly, not however for the sake of the right, of justice, of piety, and of truth, but from habit acquired in the world, for the sake of fame, glory, honor, gain, and the various delights of the natural loves, also on account of the laws and their penalties. For this reason, although they were interiorly evil, yet they could be together with those who were both exteriorly and interiorly good. When, therefore, the good were to be separated from those who merely appeared good in external form, their external good vanished, and their internal evil appeared; for they were held in that external good by communication with those within the same society who were not only exteriorly but also interiorly good, as has been said above. So when external good was taken away from the evil their interiors were opened; and these were full of mere evil and filthy things, which made evident of what quality they were in themselves. Such, then, is what is meant in particular by "the two witnesses going up by command into heaven in the cloud, and their enemies beholding them;" and here that "in that hour there was a great earthquake," namely, that when that state came a notable change took place in respect to those things that pertain to the church.