'Whenever' in the Bible

And whenever the living creatures give glory, honor, and thanks to the one who sits on the throne, who lives forever and ever,

These two have the power to close up the sky so that it does not rain during the time they are prophesying. They have power to turn the waters to blood and to strike the earth with every kind of plague whenever they want.

five have fallen; one is, and the other has not yet come, but whenever he does come, he must remain for only a brief time.