All eight Arrows of Pythagoras

Lo Shu Grid Calculator Lo Shu Grid and Kua Number

Your 3x3 grid built from the digits of your date of birth, every complete and empty arrow named, and your Kua direction number calculated against the Chinese solar year rather than the calendar one.

Your date of birth

Gender is optional and used only for the Kua number, whose formula genuinely differs.

No birth time or place needed.

Used only for the Kua number, whose formula genuinely differs.

Vedic astrology guide

About Lo Shu Grid Calculator

Lo Shu Grid Calculator is a focused Vedic astrology tool for studying the Lo Shu grid, its missing and repeated digits, the eight Arrows of Pythagoras and the Kua direction. It converts the relevant birth, date, place, or partner details into a structured calculation that is easier to examine than raw astronomical data.

The calculator follows the sidereal framework used in Jyotisha. Where a birth chart is required, the ascendant and planetary longitudes are calculated first; the tool then applies the rules specific to Lo Shu Grid Calculator. This separation matters because each chart or timing method answers a different class of questions.

Use the result to identify patterns, compare factors, and prepare better questions for interpretation. A single placement or score should not be read in isolation: sign strength, house context, planetary lords, aspects, periods, and supporting charts can change the final judgment.

How to use Lo Shu Grid Calculator

  1. 1

    Enter accurate details

    Provide the requested date, exact time, place, and profile details. Check the timezone and location coordinates before calculating because small input errors can change time-sensitive factors.

  2. 2

    Review the calculated result

    Confirm the chart, period, score, or timing window shown by the tool. Read labels and tables together so the visual result is not separated from its underlying degrees and factors.

  3. 3

    Interpret the complete pattern

    Start with the strongest repeated indications, then examine exceptions and supporting evidence. Compare the result with the D1 birth chart and Dasha or transit context when the question is event-specific.

What this calculation can tell you

The main analytical focus is the Lo Shu grid, its missing and repeated digits, the eight Arrows of Pythagoras and the Kua direction. The output is best used as a map of tendencies and timing conditions, not as a mechanical promise. Repeated indications across independent factors carry more weight than one isolated combination.

Accuracy and interpretation

Use the most reliable source available for birth time and verify the selected place and timezone. Divisional charts and house cusps can change quickly, while Muhurat and Panchang results depend on the selected location and civil date. Different Ayanamsa or house settings may also produce small differences.

Astrology is an interpretive tradition. Use these results for reflection and planning, not as a substitute for medical, legal, financial, or other qualified professional advice.

Frequently asked questions

What is the Lo Shu grid?

A 3 by 3 magic square in which every row, column and diagonal sums to 15. The digits of your date of birth are placed into it, and the reading comes from which cells are filled, which are empty, and which digits repeat. It originates in Chinese tradition and is now used very widely in Indian numerology alongside Mulank and Bhagyank.

Why is my grid so empty?

Zeros are not placed, because the grid has cells for 1 to 9 only. Anyone born in a year like 2000 or on a date with several zeros will have a sparse grid, and that sparseness is the reading rather than a fault in the calculation. Adding your Mulank and Bhagyank as conductors, which is the standard Indian variant and switched on by default here, fills two more cells.

What are the Arrows of Pythagoras?

The eight straight lines through the square: three rows, three columns and two diagonals. A line you have completely is read as a strength, such as the Arrow of Determination on the 4-5-6 diagonal. A line entirely empty is read as a recognised gap, such as the Arrow of Hesitation on the same cells. A line that is partly filled carries no specific reading in the classical treatment, and we say so rather than inventing one.

Why does my Kua number differ from another calculator?

Usually the year boundary. The Chinese solar year begins around 4 February, so anyone born in January or the first days of February belongs to the previous year for Kua purposes. Calculators that use the calendar year give roughly one person in ten the wrong Kua. The other common difference is Kua 5, which has no direction of its own and resolves to 2 for men and 8 for women.

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