International Date Line (IDL), Prime Meridian, Antemeridian ?????

So how much sleep did we get last night – 7 hours or 31 hours???

A rather strange question you may ask, 31 hours sleep in 1 night, no way, that’s impossible!. However, we retired at 23:00 on Friday 28^th August and awoke at 05:00 on Sunday 30^th August. With my rudimentary math skills, that makes 30 hours of sleep, not the 7 hours or 31 hours noted above.

You may ask – did we awake completely refreshed – nope, no different than usual, so what happened? Well it’s really rather simple, provided you understand things like International Date Lines, Prime Meridian, Antemeridian, Time Zones, etc.

Read on for an explanation of how it works.

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