Here is a link to a past answer from the FAQ section on "Weeks, Weekdays, and Weekends":

• When did the current working week, Monday - Friday, become common place? (https://www.reddit.com/r/AskHistorians/comments/1ac6yy/when_did_the_current_working_week_monday_friday/)
  ^(15 Mar 2013 | 11 comments)
  ^(General history of the 8 hour work day by /u/eternalkerri)

Ask followup questions by commenting with both the question and the name of the user you wish to direct it to.

---

###Related

• When the 40h work week was first implemented, did a lot workers complain about losing hours? (https://www.reddit.com/r/AskHistorians/comments/1pqvm5/when_the_40h_work_week_was_first_implemented_did/)
  ^(02 Nov 2013 | 62 comments)
  ^(Answer for 1930s USA by /u/Exit5)

• In the 19th century, did campaigners for the 8 hour work day account for commute times? Or was commuting not of significant duration at that time? (https://www.reddit.com/r/AskHistorians/comments/28k4kh/in_the_19th_century_did_campaigners_for_the_8/)
  ^(19 Jun 2014 | 4 comments)
  ^(Answer by /u/[deleted])