Learn how to get a day of the week for any date! What could be cooler?
Learn the doomsday algorithm and everyone will think you have a superhuman memory. Even if it looks very complicated at the first time, anyone could learn it in a matter of minutes.
Compare your skill vs other superhumans - compete and rise to the top of Game Center!
Version history
2022.3
2022-09-09
- bug fixes
2022.2
2022-09-08
- bug fixes
2022.1
2022-04-06
- set a custom date and check calculations (Practice - Custom date)
- bug fixes
2021.4
2021-11-12
- bug fixes
2021.3
2021-08-04
- leaderboard bug fixed
2021.2
2021-08-03
- detailed instruction to master the Doomsday algorithm
- bug fixes