jet-setting t1_jabl0z5 wrote on February 28, 2023 at 6:29 AM Reply to comment by fiatfighter in Eli5: How did people know how long a year was in olden times? by Slokkkk Put stick in ground. Look at shadow. Permalink Parent 3
jet-setting t1_jabl0z5 wrote
Reply to comment by fiatfighter in Eli5: How did people know how long a year was in olden times? by Slokkkk
Put stick in ground. Look at shadow.