Mahjong Day House library with two Mahjong learning rooms

The free Mahjong Day library

Learn one clear thing
every time you visit.

Search-friendly guides for complete beginners and early players—organized by ruleset so nothing gets mixed together.

Start with a complete path

Two games. Two clear foundations.

Choose the room you play. Each guide connects free reading to a visual lesson and a small practice win.

American Mahjong learning roomAmerican Mahjong

Complete beginner · 8 min read

American Mahjong for Beginners: What Happens at the Table?

Understand the flow of an American Mahjong game before your first real table.Read the complete guide →
Hong Kong Mahjong learning roomHong Kong Mahjong

Complete beginner · 9 min read

How to Play Hong Kong Mahjong: A Beginner’s First Game

Follow one complete beginner-friendly path from the wall to a winning hand.Read the complete guide →

Free guide

How to Read an American Mahjong Card Without Feeling Lost

Turn a dense card line into a series of small, readable clues.

223334444
Learn to read the clues →

Free guide

What Can a Joker Replace in American Mahjong?

Learn the boundary that makes every Joker decision easier.

5 Bam5 BamJoker
Learn the Joker boundary →

Newest free guide

Chow, Pung, Kong, and Pair: What Is the Difference?

See the four hand shapes that turn loose tiles into a winning structure.

2 Bam3 Bam4 Bam
Learn the four shapes →

Find your next guide

Loading search…

The growing library

What we are publishing next

Foundational knowledge stays free. Deeper guided practice and measurable improvement will become the paid learning layer later.

01 · Hong Kong Mahjong

Claim priority: who gets the discard?

Understand win, Pung, Kong, and Chow priority with table examples.

In editorial review
02 · Hong Kong Mahjong

Hong Kong Mahjong scoring foundations

Learn fan, table minimums, and why house rules must be agreed first.

In editorial review
03 · American Mahjong

Pairs, Pungs, Kongs, Quints, and Sextets

Learn to recognize every American Mahjong group size at a glance.

In editorial review
04 · American Mahjong

How to exchange a Joker safely

Learn the turn timing and natural-tile exchange procedure step by step.

In editorial review