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Tong Shu Calendar Reference

Auspicious ROM Dates for February 2026註冊結婚 · February 2026

By Master Sean Chan · Updated

This month carries Li Chun (立春) — start of the BaZi year on February 4 (Singapore time): the BaZi calendar's sectional boundary for the month. Pre-Li-Chun days still belong to the previous BaZi year — factor that into anything date-binding (registration, ground-breaking).Below is the universal Chinese metaphysics ranking of every day in February 2026 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

28
days in February
23
pass hard requirements
7
rank as 上吉
5
top picks below
DateDay PillarOfficer 建除 Mansion 宿Clash 沖Class
12026-02-02庚戌Gathering辰 (Dragon)上吉
22026-02-14壬戌Completing辰 (Dragon)上吉
32026-02-19丁卯Removing酉 (Rooster)上吉
42026-02-08丙辰滿 Filling戌 (Dog)上吉
52026-02-23辛未Holding丑 (Ox)上吉

All days in February 2026

DateDay PillarOfficerMansion ClashNotable factorsClass
2026-02-01己酉卯 Rabbit建除 成 · 宿 女上吉
2026-02-02庚戌辰 Dragon天德 · 月德 · 建除 收上吉
2026-02-03辛亥巳 Snake月德合 · 四絕 · 建除 收
2026-02-04壬子午 HorseFailed requirement: not_year_break大凶
2026-02-05癸丑未 Goat建除 閉 · 黃道
2026-02-06甲寅申 Monkey建除 建
2026-02-07乙卯酉 Rooster
2026-02-08丙辰滿戌 Dog月德 · 黃道上吉
2026-02-09丁巳亥 Pig天德 · 建除 平 · 黃道
2026-02-10戊午子 Rat建除 定
2026-02-11己未丑 Ox黃道
2026-02-12庚申寅 TigerFailed requirement: not_month_break大凶
2026-02-13辛酉卯 Rabbit月德合 · 建除 危 · 宿 井
2026-02-14壬戌辰 Dragon天德合 · 建除 成 · 黃道上吉
2026-02-15癸亥巳 Snake建除 收
2026-02-16甲子午 HorseFailed requirement: not_year_break大凶
2026-02-17乙丑未 Goat建除 閉 · 宿 張 · 黃道
2026-02-18丙寅申 Monkey月德 · 建除 建
2026-02-19丁卯酉 Rooster天德 · 宿 軫上吉
2026-02-20戊辰滿戌 Dog黃道
2026-02-21己巳亥 Pig建除 平 · 宿 亢 · 黃道
2026-02-22庚午子 Rat建除 定 · 宿 氐
2026-02-23辛未丑 Ox月德合 · 宿 房 · 黃道上吉
2026-02-24壬申寅 TigerFailed requirement: not_month_break大凶
2026-02-25癸酉卯 Rabbit建除 危
2026-02-26甲戌辰 Dragon建除 成 · 黃道上吉
2026-02-27乙亥巳 Snake建除 收 · 宿 斗
2026-02-28丙子午 HorseFailed requirement: not_year_break大凶
Personalised next step

BaZi-Aligned Date Report — February 2026

USD 388

A personalised PDF that re-ranks every ROM / civil registration-suitable day in February 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.

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

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.