We’ve all got digital time displays now (and some of us have $15,000 bullet proof watches) so no need to learn how to read clocks and whatnot. But, if you’re a historian, or a plain old clever guy or gal, maybe some of these complicated and unique time displays will tickle your fancy. Enjoy!
1. Jewish Calendar
Interpreting dates from this calendar would be a Herculean task, taking into account the irregular date formats. The duration of the month is different, the year is different, and pretty much everything else. Thank god, that a day still represents 24 hours!!












