Posted: May 26, 2017 at 10:03 pm TIL that the Ancient Egyptians used 12 months of exactly 30 days, with 5 days of festivities at the end to add up to 365 submitted by /u/Real_Elon_Musk to r/todayilearned [link] [comments] Source: Reddit: TGIOKDI Upvoted Leave a Reply Cancel replyYou must be logged in to post a comment.