Practical jyotisha guides and honest software comparisons, from the team building Zodian.
A practical 2026 guide to choosing kundali software for professional use in India — desktop stalwarts vs modern web apps, what to check, and where Zodian fits.
Why the two Indian chart grids exist, how to read each, and which astrology apps let you switch between North and South Indian styles per client.
What practicing astrologers in Tamil Nadu should demand from software — real Tamil rendering, South Indian charts, porutham, panchangam — and how current tools compare.
AstroSage is the biggest free astrology portal; Zodian is a consultation-first bilingual workspace. Which fits professional chart casting in 2026 — compared honestly.
What each of the sixteen vargas answers, how divisional charts are computed, which ones professionals actually check first, and how to read them in practice.
Why sidereal charts need an ayanamsa, how Lahiri became the Indian standard, how Raman and KP differ, and how much a degree of difference actually changes a chart.
What each of the ten poruthams checks, which ones elders treat as non-negotiable, why the count alone misleads, and how to read a porutham result honestly.
What Vimshottari dasha is, how the 120-year cycle is keyed to your birth nakshatra, and how to read mahadasha, bhukti and antaram without misjudging a period.
What the navamsa chart is, how the D9 is derived from the rasi, what vargottama means, and the five checks that turn a D9 into a usable second opinion.
A plain guide to the five limbs of the panchangam, why the timings change with your city, and how rahu kalam, yamagandam and horai are actually derived.
What rahu kalam is, how the daily window is derived from sunrise and sunset, the weekday table, why the timing differs by city, and what it is and is not meant to stop you doing.
How horai divides the day into 24 unequal planetary hours from sunrise, what each ruling planet is traditionally used for, and why a horai is almost never sixty minutes long.
What rasi palan is, why it is read from your Moon sign rather than your birthday, how to find your janma rasi, and what actually drives a daily prediction.
What nalla neram means, how the Gowri Panchangam divides day and night into eight named periods, which are favourable, and how it fits with rahu kalam and horai.
The 36-point Ashtakoot Guna Milan used in the north and the 10 Porutham used in Tamil Nadu are different systems. What each measures, why they disagree, and which to trust.
Chevvai dosham, Manglik and Kuja dosha are the same condition under different names. Which houses count, why calculators disagree, and the cancellations that are routinely ignored.
What Sade Sati actually is, the three phases and what each is said to affect, how Ashtama Sani and Kantaka Sani differ, and why it is read from your Moon sign.
How to cast a complete Tamil jathagam free — jathagam kattam in South or North style, navamsa, dasa timeline and panchangam — what the free tier really includes, and what to check before trusting any free jathagam site.
What separates a Vedic birth chart calculator you can rely on from one that just draws a square — ayanamsa, birth time and place handling, divisional charts, dasa depth — and how to check any calculator before trusting its output.
What a Tamil marriage-matching app has to get right — the ten poruthams with rajju and dinam weighted properly, dosham checks read together, both charts in full — and how to tell a real porutham engine from a nakshatra lookup.