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Tong Shu Calendar Reference

Auspicious Wedding Dates for July 2027結婚 · July 2027

By Master Sean Chan · Updated

This month carries Xiao Shu (小暑) — month flips to 未 on July 7 (Singapore time): the BaZi calendar's sectional boundary for the month. Below is the universal Chinese metaphysics ranking of every day in July 2027 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

31
days in July
27
pass hard requirements
6
rank as 上吉
5
top picks below
DateDay PillarOfficer 建除 Mansion 宿Clash 沖Class
12027-07-16己亥定 Stabilising斗巳 (Snake)上吉
22027-07-21甲辰收 Gathering室戌 (Dog)上吉
32027-07-26己酉滿 Filling昴卯 (Rabbit)上吉
42027-07-03丙戌定 Stabilising鬼辰 (Dragon)上吉
52027-07-08辛卯成 Completing軫酉 (Rooster)上吉

All days in July 2027

DateDay PillarOfficerMansion ClashNotable factorsClass
2027-07-01甲申滿參寅 Tiger宿 參 · 黃道吉
2027-07-02乙酉平井卯 Rabbit建除 平 · 宿 井 · 黃道平
2027-07-03丙戌定鬼辰 Dragon月德 · 建除 定上吉
2027-07-04丁亥執柳巳 Snake建除 執 · 宿 柳吉
2027-07-05戊子破星午 HorseFailed requirement: not_month_break大凶
2027-07-06己丑危張未 GoatFailed requirement: not_year_break大凶
2027-07-07庚寅危翼申 Monkey建除 危 · 黃道凶
2027-07-08辛卯成軫酉 Rooster建除 成 · 宿 軫 · 黃道上吉
2027-07-09壬辰收角戌 Dog建除 收吉
2027-07-10癸巳開亢亥 Pig建除 開 · 宿 亢 · 黃道吉
2027-07-11甲午閉氐子 Rat天德 · 月德 · 建除 閉吉
2027-07-12乙未建房丑 Ox建除 建 · 宿 房平
2027-07-13丙申除心寅 Tiger建除 除 · 宿 心 · 黃道平
2027-07-14丁酉滿尾卯 Rabbit—平
2027-07-15戊戌平箕辰 Dragon建除 平 · 宿 箕 · 黃道凶
2027-07-16己亥定斗巳 Snake天德合 · 月德合 · 建除 定上吉
2027-07-17庚子執牛午 Horse建除 執 · 宿 牛平
2027-07-18辛丑破女未 GoatFailed requirement: not_month_break, not_year_break大凶
2027-07-19壬寅危虛申 Monkey建除 危 · 宿 虛 · 黃道凶
2027-07-20癸卯成危酉 Rooster建除 成 · 宿 危 · 黃道吉
2027-07-21甲辰收室戌 Dog天德 · 月德 · 建除 收上吉
2027-07-22乙巳開壁亥 Pig建除 開 · 宿 壁 · 黃道吉
2027-07-23丙午閉奎子 Rat建除 閉 · 宿 奎凶
2027-07-24丁未建婁丑 Ox建除 建 · 宿 婁凶
2027-07-25戊申除胃寅 Tiger建除 除 · 宿 胃 · 黃道平
2027-07-26己酉滿昴卯 Rabbit天德合 · 月德合 · 宿 昴上吉
2027-07-27庚戌平畢辰 Dragon建除 平 · 宿 畢 · 黃道平
2027-07-28辛亥定觜巳 Snake建除 定 · 黃道吉
2027-07-29壬子執參午 Horse建除 執 · 宿 參吉
2027-07-30癸丑破井未 GoatFailed requirement: not_month_break, not_year_break大凶
2027-07-31甲寅危鬼申 Monkey天德 · 月德 · 建除 危上吉
Personalised next step

BaZi-Aligned Date Report — July 2027

USD 388

A personalised PDF that re-ranks every wedding-suitable day in July 2027 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

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.