Here's my guess: [color:"#2F4062"]
I imagine it has to do with the change from Daylight Savings Time to Standard Time, each Spring when we leap forward from 2:00am to 3:00am. That leaves a full hour that doesn't actually exist each year, thus making it impossible to earn a ticket during that period.
Not to mention the occasional "leap second" when scientists decide to screw up everyone's non-Cesium clocks. [/color]
Now for a new riddle:
Question: What does a man do standing up, a woman do sitting down, and a dog do on three legs?
Answer: [color:"#2F4062"]Shake hands[/color]
