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動土擇日 dòng tǔ zé rì

Before the first tool is lifted

Auspicious Dates for Renovation (動土擇日)

Ranked groundbreaking days for the moment the earth is first disturbed, computed from your own Four Pillars. The classical sources describe breaking ground as the most sensitive act on the household calendar.

Master Wei Lin

By Master Wei Lin · Updated August 3, 2026

Chinese Metaphysics Scholar

What is groundbreaking and renovation date selection?

An auspicious date for renovation is chosen in the classical practice of 動土擇日 (dòng tǔ zé rì, groundbreaking date selection), which grades each day the earth is disturbed and removes days that clash your BaZi (八字 bā zì) chart. This selection computes ranked renovation dates for 19 USD.

Key Takeaways

  • Renovation begins with 動土 (dòng tǔ), moving earth, and the classical sources grade breaking ground more carefully than most events on the household calendar.
  • The almanac favours the Open officer (開 Kāi) for groundbreaking and, unusually, avoids the Establish officer (建 Jiàn) that other beginnings prefer.
  • A day a generic list recommends can still clash your zodiac branch or day pillar; the personal check removes those days for you.
  • Every recommended date prints its day pillar, Day Officer, and Mansion star, checkable against any published 通勝 (Tōng Shèng, the Chinese almanac).
  • Every selection carries a 7-day satisfaction refund.
Your selection

Get your ranked groundbreaking dates, clash-checked to your chart, $19

A day graded broadly favourable still clashes one owner in twelve on the zodiac layer alone, before the deeper pillar checks run.

A day whose branch is Horse stands opposite the Rat branch, so a Rat-year owner meets a personal clash on a date a generic table happily marks good for renovation.

Computed from your own Four Pillars by the deterministic engine and emailed to you, with the 7-day satisfaction refund.

Printed on the cover of your report.

The classical Zi Ping (子平) method sets the luck-cycle direction from sex at birth.

Your Four Pillars are computed from this date.

With a birth time the Hour Pillar joins the check. Without it, the selection runs in lite mode and says so honestly.

Used for the True Solar Time correction when you also provide a birth time.

Earliest date you could act.

Latest date you could act.

Where your report is delivered after checkout.

  • Ranked renovation dates inside your window, computed from your Four Pillars, for the day the earth is first broken
  • A favourable hour (吉時 jí shí) for turning the first soil, with the reasons it was chosen
  • Personal clash days removed: any date that clashes your zodiac branch or day pillar is excluded outright
  • Every date printed with its day pillar, Day Officer, and Mansion star for independent verification against any published 通勝
  • Matched crystal suggestions following the classical home and ground protection intent and your chart's favourable element
  • Honest labelling when the directional 三煞 (sān shà) facing check and 土王用事 (tǔ wàng yòng shì) Earth windows fall outside the day-level report, plus a widening recommendation when no date clears every check

Secure checkout via Stripe. 7-day satisfaction refund.

Why it is not a generic list

A generic dates list

A generic groundbreaking and renovation date selection list grades one calendar for everyone at once. It never saw your chart.

This selection

This selection computes ranked dates from your own Four Pillars (八字 bā zì), removes any day that clashes you, and prints the day pillar, Day Officer, and Mansion star so you can verify each one in any published 通勝 (Tōng Shèng).

Why breaking ground is graded more carefully than most events

Renovation begins with 動土 (dòng tǔ), literally moving earth, and the classical sources describe the disturbance of the ground itself as the thing that must be timed. A wedding binds two people and a business opening binds a first day of trade, but groundbreaking touches the earth beneath a dwelling, which the tradition treats as the most sensitive act on the household calendar. The 通勝 (Tōng Shèng, the Chinese almanac) grades a day for it, and the Qing imperial compendium 協紀辨方書 (Xié Jì Biàn Fāng Shū) systematized the officer and star rules the almanacs still print.

This is why families across East and Southeast Asia fix the renovation start date before the contractor lifts a tool, even for a kitchen wall. In Wu Xing terms, disturbing earth invites the 土 (tǔ, earth) phase into motion, so the method asks a plain question: does this day's published pattern welcome the work, or does it pull against the person who owns the ground? This is a pattern, not a verdict, and that is exactly how the classical sources frame it.

How the classical method grades a groundbreaking date

The almanac layer grades every day by its Day Officer from the Twelve Day Officers cycle (建除十二神 jiàn chú shí èr shén). For breaking ground the sources favour the Open officer (開 Kāi), whose motion opens the work, and completing energies such as Success (成 Chéng). The tradition is unusually specific here: the Establish officer (建 Jiàn), favourable for setting out on a journey, is classically avoided for 動土, because beginning the frame and disturbing the earth are not the same act. The Break officer (破 Pò) day, the Month Breaker (月破 yuè pò), the Year Breaker (歲破 suì pò), and the Ten Evils Great Defeat days (十惡大敗 shí è dà bài) are struck out before scoring begins.

The personal layer then checks the ground's owner. A day whose branch clashes (沖 chōng) your zodiac branch or your day pillar is removed no matter how well it scored, and in Wu Xing terms the ranking favours days that reinforce the element your chart needs (用神 yòng shén). Because renovation carries an act, the report also attaches a favourable hour (吉時 jí shí) for turning the first soil. A renovation date is only recommended when it clears both the almanac layer and the personal layer for the person who owns the site.

What a generic renovation-dates list, and the day-level report, each cannot see

Every list of auspicious renovation dates for 2026 you can find online grades the day for everyone at once. That is honest as far as it goes, and each date in our report prints the same public facts so you can check them. But the classical sources are unambiguous that groundbreaking must be matched to the person: a day graded broadly favourable still clashes one owner in twelve on the zodiac layer alone, before the deeper pillar checks run. A concrete pattern: a day whose branch is Horse stands directly opposite the Rat branch, so a Rat-year owner meets a personal clash on a date a generic table happily marks good for renovation. Our selection resolves that check against your full chart before a single date is recommended.

Two factors sit deliberately outside the day-level report, and the classical sources treat both as directional or seasonal work rather than day timing. The year's Three Killings direction (三煞 sān shà) becomes a hard reject only when weighed against the specific compass facing of the site, and the four roughly eighteen-day Earth-dominant windows around each seasonal transition (土王用事 tǔ wàng yòng shì) are a facing and construction concern, not a day-grade. Our report keeps to the day-level checks it can verify from your inputs, prints every fact it used, and says plainly where a separate feng shui facing assessment would be the right next step. What it prints, it can verify.

Resolve that check against your own chart. Ranked groundbreaking and renovation date selection, verifiable in any almanac, 19 USD.

Get your ranked dates, $19

Planning more than one date this year?

Yearly Personal Calendar, $197

A rolling 12 months of your favourable days by life category and your personal avoid days, computed from your chart, with a downloadable calendar file, companion report, and matched crystals.

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Before you order

Frequently Asked Questions

What is an auspicious date for renovation?

An auspicious renovation date in the Chinese tradition is a day the almanac grades favourable for breaking ground (動土 dòng tǔ) and that does not clash the site owner's own chart. The public layer covers the Day Officer, virtue stars, and structural exclusions; the personal layer removes days that clash your zodiac branch or day pillar. The method is codified in the Qing compendium 協紀辨方書 (Xié Jì Biàn Fāng Shū).

How are my renovation dates computed?

Your renovation dates are computed from your BaZi (八字) Four Pillars chart and the date window you give. The engine grades every day in the window on the almanac layer, favouring the Open officer (開 Kāi) for groundbreaking, removes any day that clashes your chart, ranks the survivors, and attaches a favourable hour for turning the first soil. The same inputs always produce the same dates, and each printed fact can be checked in any published 通勝.

Does the renovation reading cover the Three Killings direction and Earth windows?

The renovation date selection keeps to day-level timing: the Day Officer, the day's stars, and the clash checks against your chart. The classical sources treat the year's Three Killings (三煞 sān shà) direction against your site facing, and the seasonal Earth-dominant windows (土王用事 tǔ wàng yòng shì), as a separate feng shui facing assessment, which this report does not claim to perform. What it prints, it can verify, and it labels honestly where a facing check would follow.

Why is groundbreaking timed more strictly than other events?

Because 動土 (dòng tǔ) means moving earth, and the classical sources describe disturbing the ground beneath a dwelling as the most sensitive act on the household calendar. In Wu Xing terms the work sets the 土 (tǔ, earth) phase in motion, so the tradition grades the day with extra care, favouring the Open officer (開 Kāi) and avoiding the Establish officer (建 Jiàn) that other beginnings prefer. This is a pattern, not a verdict.

What if no date in my renovation window is auspicious?

When no date inside a renovation window clears every check, the report says exactly that. It then lists the least unfavourable dates, each clearly labelled with the specific caution that applies, and recommends widening the window where your contractor's schedule allows. Hard rejects are never quietly waived: a day that clashes your chart, or falls on a Break officer or a structural exclusion, stays out no matter how well it scores on other factors.

How is the renovation date reading delivered, and what does it cost?

The renovation date selection costs 19 USD. After secure Stripe checkout, the selection is computed from your inputs and emailed to you. It carries a 7-day satisfaction refund: if the report does not serve you, reply within 7 days for a full refund.

Not ready for a personalized selection? Check any day's public grade on the free Chinese almanac, see your Four Pillars with the free BaZi calculator, or return to the auspicious dates hub .

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Other date selections

Each life event is graded on its own classical activity in the 通勝 (Tōng Shèng) tradition, then checked against your chart. If you are timing more than one, these selections work the same way.

Understanding the method

Every date in this selection is graded by the same classical cycles. These guides explain how the almanac reads a day, in the 通勝 (Tōng Shèng) tradition, so you can see exactly what the ranking rests on.

About this tool

This tool is based on classical Chinese date selection (擇日 zé rì) in the 通勝 almanac tradition. Results are deterministic, the same inputs always produce the same output, but the traditional systems themselves have not been validated by modern science.

Selections describe favourable windows in the stated school of practice, never guarantees of outcome. Crystal suggestions follow traditional and complementary practice only and promise no result. Master Wei Lin is a stylized editorial persona representing a composite of classical Chinese metaphysics scholarship.

For entertainment and self-reflection. Not a substitute for professional medical, legal, financial, or psychological advice.

Learn more about our methodology →