'Day' in the Bible

For you remember, brothers, our labor and hardship: working by night and day in order not to be a burden to any of you, we proclaimed to you the gospel of God.

night and day praying beyond all measure that [we] may see your face and complete what is lacking in your faith?

for [you] yourselves well know that the day of the Lord is coming in the [same] way as a thief in the night.

But you, brothers, are not in the darkness, so that the day should catch you like a thief,

for you are all sons of light and sons of day. We are not of the night nor of darkness.

But [because] we are of the day, we must be sober, [by] putting on the breastplate of faith and love and [as] a helmet the hope of salvation,