Or you could just have it as an option in the Standing Orders, so that a whip could trigger it. I think you would want to leave it open—again, speaking as a government hound—in case you need to have a vote in an afternoon or after question period to advance a bill for the next day. Then, the odd time you might have to have a vote on Thursday night. I would leave it flexible.
On May 5th, 2016. See this statement in context.