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Tong Shu Calendar Reference

Auspicious Wedding Dates for April 2026結婚 · April 2026

By Master Sean Chan · Updated

This month carries Qing Ming (清明) — month flips to 辰 on April 5 (Singapore time): the BaZi calendar's sectional boundary for the month. Below is the universal Chinese metaphysics ranking of every day in April 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

30
days in April
24
pass hard requirements
3
rank as 上吉
5
top picks below
DateDay PillarOfficer 建除 Mansion 宿Clash 沖Class
12026-04-25壬申定 Stabilising牛寅 (Tiger)上吉
22026-04-30丁丑收 Gathering壁未 (Goat)上吉
32026-04-10丁巳除 Removing井亥 (Pig)上吉
42026-04-07甲寅開 Opening畢申 (Monkey)吉
52026-04-20丁卯閉 Closing房酉 (Rooster)吉

All days in April 2026

DateDay PillarOfficerMansion ClashNotable factorsClass
2026-04-01戊申執室寅 Tiger建除 執吉
2026-04-02己酉破壁卯 RabbitFailed requirement: not_month_break大凶
2026-04-03庚戌危奎辰 Dragon建除 危 · 宿 奎凶
2026-04-04辛亥危婁巳 Snake建除 危 · 宿 婁 · 黃道凶
2026-04-05壬子成胃午 HorseFailed requirement: not_year_break大凶
2026-04-06癸丑收昴未 Goat建除 收 · 宿 昴吉
2026-04-07甲寅開畢申 Monkey建除 開 · 宿 畢 · 黃道吉
2026-04-08乙卯閉觜酉 Rooster建除 閉凶
2026-04-09丙辰建參戌 Dog建除 建 · 宿 參 · 黃道平
2026-04-10丁巳除井亥 Pig天德合 · 月德合 · 建除 除上吉
2026-04-11戊午滿鬼子 Rat—平
2026-04-12己未平柳丑 Ox建除 平 · 宿 柳平
2026-04-13庚申定星寅 Tiger建除 定 · 黃道吉
2026-04-14辛酉執張卯 Rabbit建除 執 · 宿 張 · 黃道吉
2026-04-15壬戌破翼辰 DragonFailed requirement: not_month_break大凶
2026-04-16癸亥危軫巳 Snake建除 危 · 宿 軫 · 黃道平
2026-04-17甲子成角午 HorseFailed requirement: not_year_break大凶
2026-04-18乙丑收亢未 Goat建除 收 · 宿 亢平
2026-04-19丙寅開氐申 Monkey建除 開 · 宿 氐 · 黃道吉
2026-04-20丁卯閉房酉 Rooster天德合 · 月德合 · 建除 閉吉
2026-04-21戊辰建心戌 Dog建除 建 · 宿 心 · 黃道平
2026-04-22己巳除尾亥 Pig建除 除 · 黃道平
2026-04-23庚午滿箕子 Rat宿 箕平
2026-04-24辛未平斗丑 Ox建除 平 · 宿 斗平
2026-04-25壬申定牛寅 Tiger天德 · 月德 · 建除 定上吉
2026-04-26癸酉執女卯 Rabbit建除 執 · 宿 女 · 黃道吉
2026-04-27甲戌破虛辰 DragonFailed requirement: not_month_break大凶
2026-04-28乙亥危危巳 Snake建除 危 · 宿 危 · 黃道凶
2026-04-29丙子成室午 HorseFailed requirement: not_year_break大凶
2026-04-30丁丑收壁未 Goat天德合 · 月德合 · 建除 收上吉
Personalised next step

BaZi-Aligned Date Report — April 2026

USD 388

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