Chronology Lab

Calendar lesson

A short, shareable lesson plan that introduces how we keep calendars aligned with astronomical cycles.

Lesson outline

Guide

Download the lesson guide or project it during a workshop.

Topics: solar vs lunar cycles, leap year adjustments, Metonic cycle, learning to log leap months.

Resource: time-lesson.md (markdown outline for prints or slides).

How to deliver

Pedagogy

Pair the lesson with the timeline builder exercises and the calendar history page to give learners context.