Time Traveller (who may, or may not, be a doctor): "Good morrow, yeomanly-but-simple village folk, what time is this?"
Villager: "Time? What's that then?"
TT: "Why, time is that which I may know by glancing at my watch." (Displays somewhat ostentatious chronoscope.)
Villagers (all): "A WATCH!!!! Burn him!!!!!!"
As a public service, this blog is happy to offer the following handy reference material: