Billing matrix — Course × day group × AM/PM

Primary split used for invoices. Click a cell to see dates below.

By calendar weekday

Mon, Tue, Wed… with short vs long course and AM/PM.

By time slot

Monthly volume

Holiday & special rentals

Per-school summary

Session detail

All sessions matching filters. Click a matrix cell to filter.

DateDaySchoolCourse Day groupAM/PMSection SlotTimeHrsFlags

Data authenticity