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Tong Shu Calendar Reference

Auspicious Wedding Dates for March 2026結婚 · March 2026

By Master Sean Chan · Updated

This month carries Jing Zhe (驚蟄) — month flips to 卯 on March 5 (Singapore time): the BaZi calendar's sectional boundary for the month. Below is the universal Chinese metaphysics ranking of every day in March 2026 for a wedding ceremony, derived from the classical Tong Shu (通書). It applies to no specific couple — it shows which days the calendar itself favours or warns against based on the Twelve Officers (建除十二神), Twenty-Eight Mansions (二十八宿), monthly and yearly Shen Sha (神煞), and the Yellow/Black Dao (黃黑道) cycle.

Top-ranked dates this month

31
days in March
26
pass hard requirements
3
rank as 上吉
5
top picks below
DateDay PillarOfficer 建除 Mansion 宿Clash 沖Class
12026-03-23己亥Completing巳 (Snake)上吉
22026-03-13己丑Opening未 (Goat)上吉
32026-03-08甲申Holding寅 (Tiger)上吉
42026-03-11丁亥Completing巳 (Snake)
52026-03-01丁丑Closing未 (Goat)

All days in March 2026

DateDay PillarOfficerMansion ClashNotable factorsClass
2026-03-01丁丑未 Goat天德 · 建除 閉 · 宿 女
2026-03-02戊寅申 Monkey建除 建 · 宿 虛
2026-03-03己卯酉 Rooster建除 除 · 宿 危
2026-03-04庚辰滿戌 Dog黃道
2026-03-05辛巳滿亥 Pig宿 壁
2026-03-06壬午子 Rat建除 平 · 宿 奎 · 黃道
2026-03-07癸未丑 Ox建除 定 · 宿 婁 · 黃道
2026-03-08甲申寅 Tiger月德 · 建除 執 · 宿 胃上吉
2026-03-09乙酉卯 RabbitFailed requirement: not_month_break大凶
2026-03-10丙戌辰 Dragon建除 危 · 宿 畢
2026-03-11丁亥巳 Snake建除 成
2026-03-12戊子午 HorseFailed requirement: not_year_break大凶
2026-03-13己丑未 Goat月德合 · 建除 開 · 宿 井上吉
2026-03-14庚寅申 Monkey建除 閉 · 黃道
2026-03-15辛卯酉 Rooster建除 建 · 宿 柳 · 黃道
2026-03-16壬辰戌 Dog建除 除
2026-03-17癸巳滿亥 Pig宿 張
2026-03-18甲午子 Rat月德 · 建除 平 · 黃道
2026-03-19乙未丑 OxFailed requirement: not_four_separation大凶
2026-03-20丙申寅 Tiger建除 執
2026-03-21丁酉卯 RabbitFailed requirement: not_month_break大凶
2026-03-22戊戌辰 Dragon建除 危 · 宿 氐
2026-03-23己亥巳 Snake月德合 · 建除 成 · 宿 房上吉
2026-03-24庚子午 HorseFailed requirement: not_year_break大凶
2026-03-25辛丑未 Goat建除 開
2026-03-26壬寅申 Monkey建除 閉 · 宿 箕 · 黃道
2026-03-27癸卯酉 Rooster建除 建 · 宿 斗 · 黃道
2026-03-28甲辰戌 Dog月德 · 建除 除 · 宿 牛
2026-03-29乙巳滿亥 Pig宿 女
2026-03-30丙午子 Rat建除 平 · 宿 虛 · 黃道
2026-03-31丁未丑 Ox建除 定 · 宿 危 · 黃道
Personalised next step

BaZi-Aligned Date Report — March 2026

USD 388

A personalised PDF that re-ranks every wedding-suitable day in March 2026 against your BaZi (and, for weddings/ROM, your partner’s BaZi). It surfaces:

Order the report →

See the full glossary of classical date-selection terms in the BaZi Glossary & Auxiliary Stars.

Further reading from the blog

Selected posts from Master Sean Chan's blog covering this topic and closely related ones in practice:

Frequently asked

Why isn’t my day on the list of top 5?

The top list is the universal ranking before any personal adjustment. Many couples find their best date isn’t in the top 5. Once you account for your day pillars, the right day often shifts. That’s exactly the gap the BaZi-Aligned Date Report fills.

What does 大凶 mean and can it ever be overridden?

大凶 means the day fails a hard classical requirement: 月破 (month break), 歲破 (year break), or 四離/四絕 (a quarter-day boundary). These cannot be overridden by personal alignment; they are excluded categorically. Choose another day.

Why don’t you show times here?

Hour selection is personal. The right hour depends on your day pillar and the chosen day’s element relationship to it. Publishing universal “auspicious hours” misleads readers into thinking a generic hour is safe; it isn’t. Hours are included in the personalised report.

Where do these scores come from?

The classical Tong Shu (通書) tradition: 建除十二神 (Twelve Officers), 二十八宿 (Twenty-Eight Mansions), 月德 / 天德 (monthly and yearly virtue stars), 黃黑道 (Yellow/Black Dao), and the Dong Gong (董公) per-purpose rules. We compute these directly from astronomical solar terms — no app shortcuts.

What if my partner’s zodiac clashes with all the top dates?

Both partners’ year branches need to be respected. The universal ranking can’t see your partner; the personalised report does. In practice, the right wedding date is rarely the universally top-ranked one once both charts are considered. That’s expected, not a problem.

Methodology

Each day’s pillar is computed from the 60 Jiazi rotation anchored against the published Tong Shu, not from any single calendar app. The BaZi year flips at Li Chun (立春) and the BaZi month flips at every sectional solar term, both calculated from VSOP87 solar-longitude data so the boundaries land on the right minute. Twelve Officers and the 28 Mansions each rotate deterministically against well-known anchors.

The per-purpose weights are Dong Gong’s (董公擇日) — adjusted where modern almanacs disagree, in favour of the Hong Kong Observatory and Taiwan CWB lineage. Auspicious stars add to the score, taboo stars subtract, the day’s officer and mansion shift it further, and Yellow Dao adds a final small bonus. The final number gets capped at 100 and mapped to one of five tiers.