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How these tools work

Kundli or birth chart: which one you need

A kundli and a Western birth chart start from the same sky and end in different signs. The kundli uses the sidereal zodiac, which is tied to the stars; the birth chart uses the tropical zodiac, which is tied to the seasons. Today the two are about 24° apart, so most people's Sun sign moves back one sign in their kundli. Neither is a mistake. They are two systems counting from different starting points.

Use the Kundli Maker for anything in the Indian tradition: rashi, nakshatra, dasha, matching, doshas. It uses the Lahiri ayanamsa, whole-sign houses from the sidereal lagna, mean Rahu and Ketu, the navamsa, and the Vimshottari dasha, drawn in North or South Indian style. Use the Birth Chart Calculator for a Western reading: Sun, Moon and rising sign, every planet by sign, degree and house, and the major aspects. It also shows your Sun and Moon in the Vedic zodiac, so you can see the difference for yourself.

Why the birth time matters

The lagna, or rising sign, changes about every two hours, and the Moon moves about 13° a day. A wrong birth time can therefore change the lagna, every house, and sometimes the Moon's nakshatra, which sets the whole dasha. If you don't know the time, both tools work it out for noon and tell you so. The Moon can then be up to 6.5° off. The lagna, the houses and the dasha are left out rather than guessed, because each one depends on the exact time.

Today's horoscope, from the Moon's real position

Most daily horoscopes are written in advance for your Sun sign. This one is computed when you open it, for your rashi, which is your Moon sign. It finds the house the Moon is crossing today, counted from your sign, and reads it by the classical rule found in every panchang: the 1st, 3rd, 6th, 7th, 10th and 11th are favourable; the 4th, 8th and 12th call for care; the 2nd, 5th and 9th are mixed. The Moon changes sign about every two and a quarter days, so your reading changes on the days it moves, not on a fixed schedule.

Panchang and vrat dates for your own city

A panchang has five limbs: tithi, nakshatra, yoga, karana and vara. The tithi that is running at sunrise names the day, so the same date can be Ekadashi in one city and Dashami in another. That is why these tools ask for your place and calculate sunrise and sunset there, instead of printing one table for all of India. The panchang shows each tithi and nakshatra with its end time, and the lunar month in both the purnimanta and amanta reckonings.

The vrat date pages list the next twelve months of Ekadashi, Purnima, Amavasya, Pradosh and Sankashti Chaturthi at your sunrise. A tithi that covers two sunrises is counted once. If a date here differs from your family calendar, the cause is usually a different sunrise place or a different rule for which day to observe. The Ekadashi guide below explains both.

How it is computed, and what it will not do

Planet positions come from Jean Meeus's published series and JPL's planetary elements. These are the same formulas the Jyotish app uses, so a chart here matches a chart in the app. The calculation runs in your browser and needs no account. If you switch the page to another language, only the page's fixed text is sent to our translation service; your chart and birth details stay in English and are never sent.

These tools calculate placements and describe how the tradition reads them. They do not predict events, they do not recommend gemstones, and the readings are not written by an AI. A dosha is shown as a placement with its cancellations, not as a curse. For a muhurta that matters, such as a wedding date, take the panchang to your own pandit: they will also weigh things a calculator cannot, like your family's customs.