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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庚戌收 Gathering虛辰 (Dragon)上吉
22026-02-14壬戌成 Completing鬼辰 (Dragon)上吉
32026-02-19丁卯除 Removing軫酉 (Rooster)上吉
42026-02-08丙辰滿 Filling胃戌 (Dog)上吉
52026-02-23辛未執 Holding房丑 (Ox)上吉

All days in February 2026

DateDay PillarOfficerMansion ClashNotable factorsClass
2026-02-01己酉成女卯 Rabbit建除 成 · 宿 女上吉
2026-02-02庚戌收虛辰 Dragon天德 · 月德 · 建除 收上吉
2026-02-03辛亥收危巳 Snake月德合 · 四絕 · 建除 收平
2026-02-04壬子開室午 HorseFailed requirement: not_year_break大凶
2026-02-05癸丑閉壁未 Goat建除 閉 · 黃道平
2026-02-06甲寅建奎申 Monkey建除 建平
2026-02-07乙卯除婁酉 Rooster—吉
2026-02-08丙辰滿胃戌 Dog月德 · 黃道上吉
2026-02-09丁巳平昴亥 Pig天德 · 建除 平 · 黃道吉
2026-02-10戊午定畢子 Rat建除 定吉
2026-02-11己未執觜丑 Ox黃道吉
2026-02-12庚申破參寅 TigerFailed requirement: not_month_break大凶
2026-02-13辛酉危井卯 Rabbit月德合 · 建除 危 · 宿 井吉
2026-02-14壬戌成鬼辰 Dragon天德合 · 建除 成 · 黃道上吉
2026-02-15癸亥收柳巳 Snake建除 收吉
2026-02-16甲子開星午 HorseFailed requirement: not_year_break大凶
2026-02-17乙丑閉張未 Goat建除 閉 · 宿 張 · 黃道平
2026-02-18丙寅建翼申 Monkey月德 · 建除 建吉
2026-02-19丁卯除軫酉 Rooster天德 · 宿 軫上吉
2026-02-20戊辰滿角戌 Dog黃道吉
2026-02-21己巳平亢亥 Pig建除 平 · 宿 亢 · 黃道平
2026-02-22庚午定氐子 Rat建除 定 · 宿 氐吉
2026-02-23辛未執房丑 Ox月德合 · 宿 房 · 黃道上吉
2026-02-24壬申破心寅 TigerFailed requirement: not_month_break大凶
2026-02-25癸酉危尾卯 Rabbit建除 危平
2026-02-26甲戌成箕辰 Dragon建除 成 · 黃道上吉
2026-02-27乙亥收斗巳 Snake建除 收 · 宿 斗吉
2026-02-28丙子開牛午 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.