Day 245~366

So here we go with ‘Numbers” month (including numerals 🙂 ) Methods of timekeeping can be reconstructed for the prehistoric period from at least the Neolithic. The natural units for timekeeping used by most historical societies are the day, the solar year and the lunation. Calendars are explicit schemes used for timekeeping. The first recorded calendars date to the Bronze Age, based on the development of writing in the Ancient Near East, the Egyptian and Sumerian calendars. A larger number of calendar systems of the Ancient Near East becomes accessible in the Iron Age, based on the Babylonian calendar. This…