Is it Sunday? app for iPhone and iPad

4.8 ( 368 ratings )

Family Business Trivia Games
Developer: Viktor Gavrilov

Free

Current version: 2022.3, last update: 1 year ago
First release : 29 Jul 2021
App size: 4.21 Mb

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!