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Tong Shu Calendar Reference

Auspicious ROM Dates for March 2028註冊結婚 · 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 civil registration of marriage (ROM in Singapore), derived from the classical Tong Shu (通書). ROM uses a tighter rule set than a full ceremonial wedding — registration is a single act that benefits from 開 (Opening) and 成 (Completing) days and avoids 閉 (Closing) days more strictly than a full banquet.

Top-ranked dates this month

31
days in March
26
pass hard requirements
5
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
32028-03-14辛丑開 Opening張未 (Goat)上吉
42028-03-17甲辰除 Removing角戌 (Dog)上吉
52028-03-20丁未定 Stabilising房丑 (Ox)上吉

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 · 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月德合吉
2028-03-05壬辰除胃戌 Dog—吉
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 · 黃道吉
2028-03-09丙申執參寅 Tiger—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 張上吉
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月德上吉
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 氐大凶
2028-03-20丁未定房丑 Ox建除 定 · 宿 房 · 黃道上吉
2028-03-21戊申執心寅 Tiger宿 心吉
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 危平
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 · 宿 女吉
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—吉
2028-03-30丁巳滿壁亥 Pig—吉
2028-03-31戊午平奎子 Rat建除 平 · 黃道平
Personalised next step

BaZi-Aligned Date Report — March 2028

USD 388

A personalised PDF that re-ranks every ROM / civil registration-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.

Does the timing of ROM matter as much as a wedding ceremony?

Energetically yes — the registration is the legal-binding moment, and the day-pillar element it sits on travels with the marriage record. Practically the rule set is slightly looser than a full banquet (no need for 喜慶 stars), but month-break and year-break disqualifiers still apply absolutely.

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.