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Project Ephemeris

Full-fledged calendar application

A full-fledged calendar application with support for multiple calendars, repeated events, and best of all, dark mode. It has four view modes: year, month, week, and day. Additionally, there is a good screen reader and keyboard navigation support.

Online demo

You can try out the live version at project-ephemeris.vercel.app.

Video overview

Screenshots

Main page
Editing an event
Searching for events
Month view
Year view
Light mode
Editing calendar

Technologies used

Things learned

I am a heavy calendar user and consider myself experienced with it. Yet, it's not until I tried to design a calendar that I started to realize the complexities of a good calendar system.

There are big and gluing thins like time zones and things as inconspicuous as an algorithm for most efficiently placing overlying events on a grid.