@mm+1jqc09xz4
I work at a customer contact center (call center), but I am not in any of the roles you mentioned (customer service, branch, network admin, data ops, etc). We have folks who work Sunday-Thursday schedules too.
As far as my manager has explained our policy, I can choose any 3 days of my scheduled week to work in the office. I usually go Thurs/Fri/Sat because there are less people in the office and less traffic.
I don't see why they wouldn't count a badge-in on Saturday if it's a day you're scheduled to work. There are other people at my site in different roles who also work Saturdays or Sundays. It seems like the RTO policy can vary among groups. We have (or did have) some teams that worked 1 week in office, then next week they WFH.
If you are badging in on a Saturday. but it's not a day you are scheduled to work, I could see why your manager wouldn't count that, depending on how closely your manager tracks days and pays attention. My manager's boss is a real hard-a$s, and she is very clear that badging in on days you aren't scheduled to work doesn't count unless you are flexing your schedule that week. My manager goes over our personal RTO report with us in 1-on-1's at least once every 2 months or so.