"Yep." He looked at his watch. "Around 6.20, actually. Well, Earth time. They don't judge it by Earth time here. It's much more...mathamatical."

He leaned forward as well and in a conspiratory whisper added, "On Gallifrey, they measured everything in base seven. Do you have any idea how annoying that is to learn when your Mum tells you everything in base ten?"