Trigram ☱

Dui 兌: Lake

Symbol

☱ 兌

Natural image

Lake

Quality

the joyous, open

Family role

Youngest daughter

Lines, bottom to top

110 (1 = solid yang, 0 = broken yin)

A trigram is a stack of three lines. Each hexagram is two trigrams: one below (the lower, inner or earlier situation) and one above (the upper, outer or later situation). Dui appears in sixteen of the sixty-four hexagrams, eight times as the upper trigram and eight as the lower.

Dui as the upper trigram

• 17 Following
• 28 Great Preponderance
• 31 Influence
• 43 Breakthrough
• 45 Gathering Together
• 47 Oppression
• 49 Revolution
• 58 The Joyous

Dui as the lower trigram

• 10 Treading
• 19 Approach
• 38 Opposition
• 41 Decrease
• 54 The Marrying Maiden
• 58 The Joyous
• 60 Limitation
• 61 Inner Truth

See also the eight trigrams.

Cite this page

The Free I Ching. "Dui 兌: Lake." https://thefreeiching.com/trigrams/dui (updated 2026-10-07).

The I Ching is a tool for reflection, not a prediction. Nothing here forecasts events or replaces professional advice. Short quotations with a link back are welcome. Please do not republish a page in full. The open data files at /data are licensed CC BY 4.0.

Updated October 7, 2026. Markdown version