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Tong Shu Calendar Reference

Auspicious Renovation Start Dates for March 2028裝修 · 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 breaking ground on renovation (動土 / 修造), derived from the classical Tong Shu (通書). Renovation is an Earth-disturbing act and is more sensitive to Earth-related taboos than weddings or business openings.

Top-ranked dates this month

31
days in March
25
pass hard requirements
1
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
22028-03-17甲辰除 Removing角戌 (Dog)吉
32028-03-08乙未定 Stabilising觜丑 (Ox)吉
42028-03-20丁未定 Stabilising房丑 (Ox)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月德合吉
2028-03-05壬辰除胃戌 Dog宿 胃吉
2028-03-06癸巳滿昴亥 Pig—平
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 危凶
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 · 黃道平
2028-03-17甲辰除角戌 Dog月德吉
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 · 黃道吉
2028-03-21戊申執心寅 Tiger建除 執 · 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 · 宿 箕凶
2028-03-24辛亥成斗巳 Snake建除 成吉
2028-03-25壬子收牛午 Horse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 · 黃道凶
2028-03-29丙辰除室戌 Dog—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 · 黃道平
Personalised next step

BaZi-Aligned Date Report — March 2028

USD 388

A personalised PDF that re-ranks every renovation-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.

What is 土王用事 and why is groundbreaking restricted then?

土王用事 are the four 18-day windows around each seasonal transition when the Earth phase is dominant. Disturbing the ground during these windows is taboo for renovation, foundation work, and excavation. The page’s hard-requirement filter excludes these days; for a personal alignment we also check your Earth-element balance.

Methodology

Day pillars derive from the standard 60 Jiazi anchor (sexagenary day cycle, anchored against the published Tong Shu). Year pillars switch on Li Chun (立春), the first solar term of the BaZi year, computed from the truncated VSOP87 series for solar longitude. Month pillars switch on each sectional solar term. The Twelve Officers are the day branch’s offset from the month branch; the Twenty-Eight Mansions cycle every 28 days against an authoritative anchor.

Per-purpose rules follow the Dong Gong (董公擇日) tradition with adjustments encoded in our open purpose_rules.yaml. Scores are additive over the day’s present 神煞, the officer/mansion preference, and the Yellow Dao bonus, then clamped to 0–100 and classified.