---
type: Palm Sutra Concept
title: "日柱 (Day Pillar)"
description: "Counted forward from the Month pillar to the lunar birth day, the Day pillar represents the self and the spouse — character within close relationships, marriage and the prime years of life.."
resource: https://localpapa.com/tools/yizhang.html
category: "Damo Yi Zhang Jing · Pillar"
tags: [yizhang, palm-sutra, pillar, self, spouse, mid-life]
timestamp: 2026-06-21T00:00:00Z
---

# 日柱 (Day Pillar)

- **中文 / Chinese:** 日柱
- **Governs 主管:** the self, marriage & mid-life
- **Keywords:** self, spouse, mid-life

Counted forward from the Month pillar to the lunar birth day, the Day pillar represents the self and the spouse — character within close relationships, marriage and the prime years of life.

The palm star this pillar falls on (see <https://localpapa.com/tools/yizhang.html>) describes how this area of life unfolds.

---
*[All four pillars](./index.md) · [Palm stars](../stars/index.md) · [Palm Sutra knowledge base](../index.md)*