'Tomorrow' in the Bible

Then Jezebel sent a messenger to Elijah, saying, “So may the gods do to me and even more, if I do not make your life as the life of one of them by tomorrow about this time.”

but about this time tomorrow I will send my servants to you, and they will search your house and the houses of your servants; and whatever is desirable in your eyes, they will take in their hand and carry away.’”