Feng shui apps ask for your Kua number (also called Ming Gua 命卦) and then list “lucky directions.” That sounds like a cheat code for life. In practice, Kua is a birth-year grouping used in many popular schools to talk about which compass sectors feel supportive for sleep, desk facing, or travel. On wearables, that vocabulary becomes color and direction motifs.

What a Kua number is

From your birth year (sometimes adjusted if you were born before Chinese New Year, calculators differ), you derive a single digit 1–9 (with 5 split by gender in many tables). That digit places you in an East group or West group:

• East group (often Kua 1, 3, 4, 9), associated in primers with directions like east, southeast, south, north.
• West group (often Kua 2, 6, 7, 8), associated with west, northwest, southwest, northeast.

Each group also lists personal directions with labels such as sheng qi (growth), tian yi (heavenly doctor), yan nian (longevity), and fu wei (stability) in Chinese-language sources. English books translate these as “best,” “health,” “harmony,” and “stable” directions.

How the calculation works (simplified)

1. Step 1 Take the last two digits of your Gregorian birth year

   e.g. 1990 → 90.

2. Step 2 Add digits to a single digit

   1990 → 9+0 = 9.

3. Step 3 Apply gender table

   Popular shortcut: men subtract from 10 (some pre-2000 tables use 11); women add 5, then reduce. Online calculators skip the arithmetic.

4. Step 4 If you get 5

   Many West-group tables map men to 2 and women to 8.

For gifts, knowing east vs west group is usually enough. You are buying a symbol story, not commissioning a floor plan.

What “personal directions” mean in plain language

Think of directions as chapter headings for comfort metaphors:

These are not GPS instructions for jewelry. A “west group” person can wear an east-print scarf because they like the art.

Kua vs BaZi vs bagua

The match flow uses BaZi-level fields when you have them; Kua is optional cultural context for feng shui readers.

Marketing traps to skip

• “Sleep facing your Tian Yi direction or illness follows”: Tian Yi is a feng shui direction label, not a health forecast.
• “Buy this Kua bracelet to fix your chart”: chart-correction marketing.
• Replacing consent and comfort with compass rigidity.

Gifting with Kua vocabulary

1. Step 1 Look up east vs west group

   Conversation starter on the card is enough.

2. Step 2 Pick a direction print or phase color

   Compass rose scarf, or a story from home vs wear colors; at least two categories, e.g. scarf + cufflinks.

3. Step 3 Write from feeling

   Example: “this compass pattern reminded me of your love of travel.”

FAQ

Does Chinese New Year change my Kua year?

Some calculators use lunar year boundaries; others use January 1. If you are gifting symbolism, the exact edge case rarely matters.

Is Kua the same as Chinese zodiac animal?

No. Zodiac animal is the branch of the year; Kua is a separate nine-number map. Both can inspire gift motifs, zodiac wearables.

Must I dress by lucky direction daily?

No. Kua is optional vocabulary for color and pattern, not a dress code.

Read next

• What Is Feng Shui?
• Bagua & eight directions
• Feng shui colors, home vs wear
• More personal Kua guides

Further reading (Amazon)

Kua grouping appears alongside directions and color in popular feng shui primers. This illustrated guide is the most direct Western reference for Ming Gua vocabulary (not luck promises).

Complete Illustrated Guide to Feng Shui

Why this pick: Lillian Too covers Kua groups and indoor directions in apartment-friendly language.

Amazon

The Complete Illustrated Guide to Feng Shui — Lillian Too

View on Amazon

www.amazon.com/dp/1852308826