“Time and the Calendar”
This presentation explains many of the features of our calendar and how they were developed throughout human history. A number of popular questions are answered.
Dr. Sethanne Howard is an astronomer who worked at the Naval Observatory in Washington DC and now serves on the board of the Washington Academy of Sciences.
First presented: Washington Academy of Sciences, May 15, 2020
We are grateful to speakers who have shared presentations with the Washington Academy of Sciences. If you have content of this kind that you would be willing to share, please contact us.