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Tong Shu Calendar Reference

Auspicious Wedding Dates for April 2028結婚 · April 2028

By Master Sean Chan · Updated

This month carries Qing Ming (清明) — month flips to 辰 on April 4 (Singapore time): the BaZi calendar's sectional boundary for the month. Below is the universal Chinese metaphysics ranking of every day in April 2028 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

30
days in April
24
pass hard requirements
4
rank as 上吉
5
top picks below
DateDay PillarOfficer 建除 Mansion 宿Clash 沖Class
12028-04-14壬申Stabilising寅 (Tiger)上吉
22028-04-24壬午滿 Filling子 (Rat)上吉
32028-04-19丁丑Gathering未 (Goat)上吉
42028-04-01己未Stabilising丑 (Ox)上吉
52028-04-18丙子Completing午 (Horse)

All days in April 2028

DateDay PillarOfficerMansion ClashNotable factorsClass
2028-04-01己未丑 Ox月德合 · 建除 定 · 宿 婁上吉
2028-04-02庚申寅 Tiger建除 執 · 宿 胃
2028-04-03辛酉卯 RabbitFailed requirement: not_month_break大凶
2028-04-04壬戌辰 DragonFailed requirement: not_month_break大凶
2028-04-05癸亥巳 Snake建除 危 · 黃道
2028-04-06甲子午 Horse建除 成 · 宿 參
2028-04-07乙丑未 Goat建除 收 · 宿 井
2028-04-08丙寅申 MonkeyFailed requirement: not_year_break大凶
2028-04-09丁卯酉 Rooster天德合 · 月德合 · 建除 閉
2028-04-10戊辰戌 Dog建除 建 · 黃道
2028-04-11己巳亥 Pig建除 除 · 宿 張 · 黃道
2028-04-12庚午滿子 Rat
2028-04-13辛未丑 Ox建除 平 · 宿 軫
2028-04-14壬申寅 Tiger天德 · 月德 · 建除 定上吉
2028-04-15癸酉卯 Rabbit建除 執 · 宿 亢 · 黃道
2028-04-16甲戌辰 DragonFailed requirement: not_month_break大凶
2028-04-17乙亥巳 Snake建除 危 · 宿 房 · 黃道
2028-04-18丙子午 Horse建除 成 · 宿 心
2028-04-19丁丑未 Goat天德合 · 月德合 · 建除 收上吉
2028-04-20戊寅申 MonkeyFailed requirement: not_year_break大凶
2028-04-21己卯酉 Rooster建除 閉 · 宿 斗
2028-04-22庚辰戌 Dog建除 建 · 宿 牛 · 黃道
2028-04-23辛巳亥 Pig建除 除 · 宿 女 · 黃道
2028-04-24壬午滿子 Rat天德 · 月德 · 宿 虛上吉
2028-04-25癸未丑 Ox建除 平 · 宿 危
2028-04-26甲申寅 Tiger建除 定 · 黃道
2028-04-27乙酉卯 Rabbit建除 執 · 宿 壁 · 黃道
2028-04-28丙戌辰 DragonFailed requirement: not_month_break大凶
2028-04-29丁亥巳 Snake天德合 · 月德合 · 建除 危
2028-04-30戊子午 Horse建除 成 · 宿 胃
Personalised next step

BaZi-Aligned Date Report — April 2028

USD 388

A personalised PDF that re-ranks every wedding-suitable day in April 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 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.