How to play: you're shown a random date — tap the correct weekday.
Tip: learn the Doomsday trick (4/4, 6/6, 8/8, 10/10, 12/12 always share the year's anchor day) to
get lightning fast! ⌨️ Keys 1–7 answer (1 = Sunday), N = next.
Brain training for calendar math 🧠
🎯 Practice Setup
Year range
From
To
Months
💡 Doomsday hints
Show the year's anchor day after each answer
⚡ 60-Second Challenge
Choose difficulty
60 seconds on the clock. Every correct weekday = 1 point. Wrong answers just
cost you time — build a 🔥 streak for glory!