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Tong Shu Calendar Reference

Auspicious Contract Signing Dates for March 2028簽約 · March 2028

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 2028 for signing a contract (立券 / 交易), derived from the classical Tong Shu (通書). Contracts are agreements meant to hold — the rules favour 定 (Stabilising), 成 (Completing), and 執 (Holding) officers.

Top-ranked dates this month

31
days in March
26
pass hard requirements
4
rank as 上吉
5
top picks below
DateDay PillarOfficer 建除 Mansion 宿Clash 沖Class
12028-03-12己亥成 Completing柳巳 (Snake)上吉
22028-03-24辛亥成 Completing斗巳 (Snake)上吉
32028-03-08乙未定 Stabilising觜丑 (Ox)上吉
42028-03-20丁未定 Stabilising房丑 (Ox)上吉
52028-03-14辛丑開 Opening張未 (Goat)吉

All days in March 2028

DateDay PillarOfficerMansion ClashNotable factorsClass
2028-03-01戊子開室午 Horse建除 開 · 黃道吉
2028-03-02己丑閉壁未 Goat建除 閉 · 宿 壁 · 黃道平
2028-03-03庚寅建奎申 MonkeyFailed requirement: not_year_break大凶
2028-03-04辛卯除婁酉 Rooster月德合 · 建除 除吉
2028-03-05壬辰除胃戌 Dog建除 除平
2028-03-06癸巳滿昴亥 Pig—吉
2028-03-07甲午平畢子 Rat月德 · 建除 平 · 黃道吉
2028-03-08乙未定觜丑 Ox建除 定 · 黃道上吉
2028-03-09丙申執參寅 Tiger建除 執吉
2028-03-10丁酉破井卯 RabbitFailed requirement: not_month_break大凶
2028-03-11戊戌危鬼辰 Dragon建除 危平
2028-03-12己亥成柳巳 Snake月德合 · 建除 成上吉
2028-03-13庚子收星午 Horse建除 收 · 黃道吉
2028-03-14辛丑開張未 Goat建除 開 · 宿 張吉
2028-03-15壬寅閉翼申 MonkeyFailed requirement: not_year_break大凶
2028-03-16癸卯建軫酉 Rooster建除 建 · 宿 軫 · 黃道吉
2028-03-17甲辰除角戌 Dog月德 · 建除 除吉
2028-03-18乙巳滿亢亥 Pig宿 亢平
2028-03-19丙午平氐子 Rat四離 · 建除 平 · 宿 氐凶
2028-03-20丁未定房丑 Ox建除 定 · 黃道上吉
2028-03-21戊申執心寅 Tiger建除 執吉
2028-03-22己酉破尾卯 RabbitFailed requirement: not_month_break大凶
2028-03-23庚戌危箕辰 Dragon建除 危 · 宿 箕凶
2028-03-24辛亥成斗巳 Snake建除 成 · 宿 斗上吉
2028-03-25壬子收牛午 Horse建除 收 · 黃道吉
2028-03-26癸丑開女未 Goat建除 開吉
2028-03-27甲寅閉虛申 MonkeyFailed requirement: not_year_break大凶
2028-03-28乙卯建危酉 Rooster建除 建 · 宿 危 · 黃道平
2028-03-29丙辰除室戌 Dog建除 除平
2028-03-30丁巳滿壁亥 Pig宿 壁吉
2028-03-31戊午平奎子 Rat建除 平 · 宿 奎 · 黃道吉
Personalised next step

BaZi-Aligned Date Report — March 2028

USD 388

A personalised PDF that re-ranks every contract signing-suitable day in March 2028 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.

If a contract is signed on a 大凶 day, is the contract void?

Legally no — the document is binding regardless. Energetically the method holds that the agreement carries the day’s deficits (month break weakens its longevity; year break invites reversal). Choose another day if at all possible; if you can’t, the personalised report identifies the least-bad alternative.

Methodology

Pillars use the 60 Jiazi day cycle anchored to the published Tong Shu. The BaZi year flips at Li Chun, the BaZi month flips at each sectional solar term — both computed from VSOP87 ephemeris data. The Twelve Officers (建除) and the 28 Mansions each have their own deterministic rotation against an authoritative anchor.

Weights come from the Dong Gong (董公擇日) school. Auspicious 神煞 add, taboo 神煞 subtract, the officer and mansion adjust, Yellow Dao adds a small bonus on top. Sum, clamp to 0–100, classify. No app shortcuts.