| What it does | Free Four Pillars of Destiny chart calculator with true solar time
| Construction calculators that show their math
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Freemium
| Free
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| Pricing | Charts and tools free. AI readings: 1 reading for $4.99, 3 readings for $9.99, 10 readings for $19.99.
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| Key features | - Four Pillars with hidden stems and heavenly stems and earthly branches
- Day Master calculation and analysis
- Ten Gods relationship mapping
- Five Elements distribution with visible and hidden stems
- Luck Pillars with ten-year periods and annual pillars
- True solar time calculation with longitude and equation of time correction
- Two-chart comparison showing stem/branch relations
- Export and print functionality including PDF and JSON download
- Time range input for uncertain birth times
- Bilingual interface in English and Simplified Chinese
| - Every constant cited to ASTM, CMHA, or datasheet
- Two calculation methods shown separately
- Free and private, no account required
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| What makes it different | - All calculation rules published and adjustable, showing which rule produced each result
- Solar-term boundaries computed astronomically to the minute with historical time zone accuracy
- No prediction claims; presents charts as cultural and reflective, not scientific forecasts
- Works without birth time by showing stable and candidate pillars
- No account required for calculation; optional saving and one free AI reading after Google sign-in
| - Every constant traced to named source and shown next to result
- Shows both methods when they disagree instead of averaging them
- Solves massive discrepancy in published block fill volumes
- Calculations run in browser with no data storage
- Built on version-controlled, auditable reference data modules
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 11 ● no change since last check | 8 ● no change since last check |
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| Trust Flow (Majestic) | 9 | 5 |
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| Citation Flow (Majestic) | 30 | 22 |
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| Referring domains (Majestic) | 45 | 7 |
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