Art of Memory
LearnGamesForum
Sign inGet started
  1. Home
  2. Wiki
  3. Doomsday Algorithm

Doomsday Algorithm

1-minute read • Memory Techniques Wiki

The Doomsday Algorithm is a system for calculating the day of the week from a given date.

Mental Calculation and Mathematics Guide

Learn more about mental calculation and mathematics.

  • Mental Math Techniques 🔥
  • How to Calculate the Day of the Week 🔥
  • Mental Calculation Forum 🔥
  • How to Memorize Multiplication Tables 🔥
  • Learn the Trachtenberg System 🔥
  • How to Use an Abacus
  • What Is a Mental Abacus

Share this page!

Tags

Calendar CalculationCalendars
Logo for Memory League, an online memory competition app
Train your brain like a memory champion

Improve Your Memory

  • Memory Palaces
  • Memory Training
  • What Is a Mnemonic?
  • Eidetic Memory
  • Memory Techniques
  • Virtual Memory Palaces
  • Sherlock's Mind Palace
  • Memorize Bible Verses
  • Memorize Vocabulary
  • Memorize a Book
  • Memorize Poetry

More Memory Skills

  • PAO System
  • Memorize Verbatim
  • Method of Loci
  • Major System
  • Free Memory Course
  • Mental Math
  • Techniques for Programmers
  • Speed Reading
About Memory Techniques Wiki • Disclaimer
Art of Memory

Begin your memory journey.

artofmemory.com is the Internet's leading source of free information about memory improvement, memory techniques, and mnemonics. Join our free community to learn in a friendly, supportive environment.

Learn

  • Start here
  • Tutorials
  • Wiki
  • Memory Palaces
  • Language Learning
  • Mental Math

Train

  • Training
  • Memory League
  • Games
  • Challenges
  • Puzzles
  • Competitions
  • Trivia
  • Software

Community

  • Forum
  • Blog
  • Contact
  • Social media
  • App log in
  • Terms
  • Privacy
© 2026 Art of Memory Inc.