日程
にってい · nittei · JLPT N2 · noun
agenda
📅 日 = day + 程 = course or stretch: the course your days will follow, a schedule
程 means extent, degree, or course of progress. Together, 日程 is the course that your days will follow, which is a schedule of dates and events.
日 — pictograph of the sun
日 is a pictograph of the sun, originally drawn as a circle with a dot or stroke inside representing the sun's substance. Over time the round shape was squared off into the modern rectangular form. It means 'sun' and by extension 'day'.