🗓 A webapp to learn the doomsday method of calculating the day of week for every date.
📱 Try it out on: doomsday.adrianjost.dev.
🎬 If you want to learn more about it. I can recommend the videos by Mike Boyd and Numberphile.
The webapp features 3 training modes.
First of all, you can learn to calculate the weekday of the doomsday of any year.
When you got that, you can train to calculate a day of week based on a given doomsday.
If you are stuck, there is always a little help available.
Finally you can pull all your knowledge together and test your combined skills:
And of course there is confetti to spark some joy when you did it. 🥳
