'Day' in the Bible

I was in the Spirit on the Lord's day, and I heard behind me a great sound like a trumpet

And the four living creatures, {each one} of them, had six wings apiece, full of eyes around and inside, and they do not have rest day and night, saying, "Holy, holy, holy [is] the Lord God All-Powerful, the one who was and the one who is and the one who is coming!"

because the great day of their wrath has come, and who is able to stand?"

Because of this, they are before the throne of God, and they serve him day and night in his temple, and the one who is seated on the throne {will shelter} them.

And the fourth angel blew the trumpet, and a third of the sun was struck, and a third of the moon, and a third of the stars, so that a third of them were darkened, and the day did not shine [with respect to] a third of it, and the night likewise.

And the four angels who had been prepared for the hour and day and month and year were released, in order that they should kill a third of humanity.

And I heard a loud voice in heaven saying, "Now the salvation and the power and the kingdom of our God and the authority of his Christ have come, because the accuser of our brothers has been thrown down, the one who accuses them before our God day and night.

And the smoke of their torture went up {forever and ever}, and those who worshiped the beast and his image did not have rest day and night, {along with anyone who received} the mark of his name.

For they are the spirits of demons performing signs that go out to the kings of the whole inhabited world, to gather them for the battle of the great day of God the All-Powerful.

Because of this her plagues will come in one day-- death and mourning and famine-- and she will be burned up with fire, because the Lord God who passes judgment on her [is] powerful!"

And the devil who deceived them was thrown into the lake of fire and sulphur, where the beast and the false prophet also [are], and they will be tormented day and night {forever and ever}.

And its gates will never be shut by day (for there will be no night there),