I tried to search for the details but I can't find what I want to know.

I am looking for any given week-to-week scheduling hours.

Is there a weekly or bi-weekly rotation for nights, days, afternoons?

Thanks.

Every site is different, there is no standard. Some sites are not open 24 hours and staffing levels vary significantly depending on how busy a site is.

Depends site to site. A lot of sites do 4 on 4 off, for 10.7 hour shifts, usually a rotation of day shifts, swing shifts, and night shifts. Also depends on the staffing, right now a lot of sites are short staffed, which gives the opportunity for overtime but less time off