---
title: 澤天夬 — Breakthrough (Hexagram 43)
lang: en
canonical: https://ekidan.ai/library/43
alternates:
  - ja: https://ekidan.ai/ja/library/43
  - zh-Hant: https://ekidan.ai/zh/library/43
  - zh-TW: https://ekidan.ai/zh/library/43
  - zh-HK: https://ekidan.ai/zh/library/43
source: 高島易断 (Takashima Ekidan), public-domain 1893 English and 1901 Chinese editions
provider: ekidan.ai — AI-assisted I Ching reading grounded in 88 source-verified historical Takashima cases
license: Classical source text is public domain. This structured edition and its modern commentary are © ICHING LLC, ekidan.ai. Attribution requested when quoted.
---

# 澤天夬 · Breakthrough — Hexagram 43

Hexagram 43 of the I Ching is 澤天夬 (Breakthrough). Breakthrough — five yang resolve one yin. Proclaim openly; do not rely on force. Cut self-interest and the way opens. Time to decide — be open and just.

## Work / Relationships / Health

- **Work**: Cut through pending issues; lay the groundwork well.
- **Relationships**: Time to break off — or to confess.
- **Health**: Head, lungs, teeth.

## Structure

- Number: 43
- Name: 澤天夬
- English: Breakthrough
- Romaji: taku-ten-kai
- Pinyin: guài
- Upper: 澤 (Lake)
- Lower: 天 (Heaven)
- Lines (top to bottom):

```text
▬▬▬   ▬▬▬
▬▬▬▬▬▬▬
▬▬▬▬▬▬▬
▬▬▬▬▬▬▬
▬▬▬▬▬▬▬
▬▬▬▬▬▬▬
```

## Questions about this hexagram

### What does hexagram 43 (澤天夬) mean?

Breakthrough — five yang resolve one yin. Proclaim openly; do not rely on force. Cut self-interest and the way opens.

### What does 澤天夬 counsel?

Time to decide — be open and just.

### What does 澤天夬 say about work?

Cut through pending issues; lay the groundwork well.

### What does 澤天夬 say about relationships?

Time to break off — or to confess.

### What does 澤天夬 say about health?

Head, lungs, teeth.

### Which trigrams make up hexagram 43?

Upper trigram 澤 (Lake) over lower trigram 天 (Heaven).


Source: [Takashima Ekidan AI — ekidan.ai](https://ekidan.ai/library/43)