Find out about ancient ways of measuring time, and how calendars are constructed based on the cycles of the Sun and the Moon -and sometimes the stars.

  • Definition of a month (particularly the first part of the article, until "Months in various calendars", you can then skip the rest if you wish). You may already know these from the previous lecture.
Senast redigerad: tisdag, 25 januari 2022, 15:05