VIETNAMESE SPIRITUAL & FENG SHUIE-E-A-T
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Groundbreaking Date Picker

Find auspicious dates and lucky hours for turning the first shovel, foundation digging, and construction kickoff.

⚡Live Result
20/100 – Inauspicious / Taboo (Exercise Caution)Construction Score
20/100Day Yin Water (Quy) Rooster (Dau) 🐔Day 12 Month 1
1

Input Parameters

Quick Presets
Or customize parameters below
19002100
2

Live Result

📅平
Day Yin Water (Quy) Rooster (Dau) 🐔20/100 – Inauspicious / Taboo (Exercise Caution)Groundbreaking Date Evaluation

28/02/2026 (Solar) • Day 12 Month 1 (Lunar)

12 Day Officers
Officer Wei (Danger)Inauspicious

Avoid dangerous voyages or climbing; practice prayer and peace

Auspicious Path (Huangdao)
Black TortoiseInauspicious

28 Mansions
Star Di (Root)Average / Inauspicious

Earth Badger

Six Celestial Spirits
Empty VoidMajor Inauspicious

Auspicious Double-Hour for First Shovel
🐭Rat (Ty)
23h - 01h
🐯Tiger (Dan)
03h - 05h
🐱Cat/Rabbit (Mao)
05h - 07h
🐴Horse (Ngo)
11h - 13h
🐐Goat (Mui)
13h - 15h
🐔Rooster (Dau)
17h - 19h
💖
Joy Deity DirectionSoutheast (Xun)
💰
Wealth Deity DirectionNorthwest (Qian)
Auspicious Construction Activities
✓ Excavation and ground-breaking✓ Laying the foundation cornerstone✓ Offering prayers to Earth Deity✓ Receiving building materials
Earth Taboos & Calamities
✕ Avoid cutting soil in conflicting directions✕ Do not break ground during heavy thunder✕ Keep individuals with clashing birth years away from the altar
3

Details

7 metrics
Building Score
20/100
Day Can-Chi
Day Yin Water (Quy) Rooster (Dau) 🐔
Lunar Date
Day 12 Month 1
Building Officer
Day Officer Wei (Danger) (Inauspicious)
Golden Star
Black Tortoise (Dark Path (Inauspicious))
28 Lunar Mansions
Mansion Di (Root) (Earth Badger)
Kongming 6 Oracles
Empty Void
Major Inauspicious
4

Steps

3 Steps
1

Owner Life Pillar Resonance: 28/02/2026 (Day 12 Month 1) -> Day Yin Water (Quy) Rooster (Dau) 🐔

2

Earth Clashes & Taboo Screening: Day Officer Wei (Danger) (Inauspicious), Black Tortoise (Dark Path (Inauspicious)), Mansion Di (Root) (Earth Badger), Empty Void (Major Inauspicious)

3

First Shovel & Corner Blessing: 6 Auspicious Double-Hour for First Shovel - Inauspicious / Taboo (Exercise Caution)

⚡
Live Result
20/100 – Inauspicious / Taboo (Exercise Caution)Construction Score

Quick Answer & Understanding Your Result

Source: Imperial Guide to Astrology and Calendar Selection (Qing Directorate)

Groundbreaking asks permission from local land deities before excavating earth for building. A favorable groundbreaking date ensures worker safety, bedrock stability, and enduring prosperity:

Groundbreaking Standards

  1. 1
    Earth-Securing Officers: Prioritize Success (Cheng), Stable (Ding), and Open (Kai); strictly avoid Destruction (Po) and Close (Bi).
  2. 2
    Absolute Taboo Clearance: Avoid Master Calamity, Death Star, and Monthly Clash days.
  3. 3
    First Shovel Timing: Designating the exact golden hour for the homeowner or proxy to turn the inaugural soil.

Enter your construction start date above to verify earth safety and identify optimal foundation hours.

Formula & Calculation Logic

Mathematical Formula
Mathematical Formula
Groundbreaking Score
= Earth Stability Officer + Golden Path - Earth Clashes (Master Calamity: -30 / Death Star: -25)

Classical Eastern celestial mechanics harmonizing 12 Officers, Golden Path, and Lunar Mansions.

Step-by-Step Guide

1

Enter start date

Provide the day, month, and year planned for groundbreaking.

2

Screen earth clash taboos

Verify clearance from Master Calamity and Death Star dates.

3

Review building safety score

Inspect the 100-point construction suitability rating.

4

Designate first-shovel hour

Pinpoint the prime double-hour for the groundbreaking ceremony.

Worked Examples Table

ExampleInput ValuesCalculated ResultExplanation
Midsummer Foundation (06/06/2026)
Year: 2026, Month: 6, Day: 6
65/100 – Neutral Date
Bing Yin day, free from Master Calamity; break ground during Chen or Si hours.
Spring Start (18/03/2026)
Year: 2026, Month: 3, Day: 18
40/100 – Inauspicious
Clashing planetary qi; recommend selecting an alternate foundation date.

Frequently Asked Questions

Evidence-Based Methodology & Authoritative References

References & Methodology

Imperial Guide to Astrology and Calendar Selection (Qing Directorate)

View Reference

Jade Casket Compendium of Celestial Selection

View Reference

Kongming Six Oracles Celestial Mechanics

View Reference
Calculation Standard & Formulation

Standard: ISO / W3C / IETF Authoritative Domain Standard

Formula: Groundbreaking Score = Earth Stability Officer + Golden Path - Earth Clashes (Master Calamity: -30 / Death Star: -25)

Last Reviewed: August 21, 2026

Authoritative Sources & Peer Review

Primary Source: Imperial Guide to Astrology and Calendar Selection (Qing Directorate)

Reference Document: Jade Casket Compendium of Celestial Selection

Computation Privacy: 100% client-side 0ms computation, zero data retention

Cultural Heritage & Folk Reference

Traditional calendar, cultural, and spiritual calculations are derived from Eastern cultural folk traditions and historical reference literature for personal research and cultural appreciation.

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