23. Nothing is more common in the Word than for the word 'day' to be used to mean the particular time at which events take place, as in Isaiah,

The day of Jehovah is near. Behold, the day of Jehovah comes. I will make heaven tremble, and the earth will be shaken out of its place, on the day of My fierce anger. Its time is close at hand, and its days will not be prolonged. Isaiah 13:6, 9, 13, 22.

And in the same prophet,

Her antiquity is in the days of antiquity. On that day Tyre will be forgotten for seventy years, like the days of one king. Isaiah 23:7, 15.

Since 'day' stands for the particular time it also stands for the state associated with that particular time, as in Jeremiah, Woe to us, for the day has declined, for the shadows of evening have lengthened! Jeremiah 6:4

And in the same prophet,

If you break My covenant that is for the day and My covenant that is for the night, so that there is neither daytime nor night at their appointed time. Jeremiah 33:20, 25.

Also,

Renew our days as of old. Lamentations 5:21.

Earth" is a general word that can be thought of as a container for other more specific words, as ground, field, or garden. Each of these means a person in an ascending series as that person learns truths from the Bible, thinks about them, and tries to apply them to life. The series represents the way of becoming good and wise. "Earth" and "ground" are terms that can go either way, as in the parable of the sower (Matthew 13:4-8) there was both good ground and bad ground, but "field" and "garden" mean minds that are regenerating towards good. "Earth" in the Bible can mean a person or a group of like-minded people as in a church. But it refers specifically to the external of the person's mind, or of the general thought of the group. If heaven and earth are mentioned together, then both the internals and externals of the mind are meant – something to note when reading the creation story.

In Revelation the word "earth" is used both as a ground level as we use it in its natural sense and also as the sense of a group. The action in this book takes place in the great middle zone of the spiritual world, where people first go and where they are sorted out. There are both evil people and good there, and sometimes at the end of a church the evil can have great influence before a great judgment comes. This level of the spiritual realm is called the "earth" to which the dragon was cast down (Revelation 12:9) and to which the stars fell (Revelation 12:4). The "earth" that swallowed the dragon’s flood means those still-sincere people within the church who discounted the flood of the dragon's falsities (Revelation 12:15).