Vimshottari · Lahiri ayanamsa

Vimshottari Dasha
120 years, nine periods

Nine planetary periods in a fixed order. Which one you are born into comes from the Moon’s nakshatra, and the rest of your life’s timeline follows from that one fact.

Vimshottari dasha: the nine mahadashas of the 120-year cycle, with the years of eachVimshottari dasha: the nine mahadashas of the 120-year cycle, with the years of each

Which one you are born into

Each nakshatra has a ruling graha, and that graha’s mahadasha is running when you are born. The Moon is usually part-way through the nakshatra, and the same share of that mahadasha has already gone. The Moon’s place is measured in the sidereal zodiac with the Lahiri ayanamsa, the standard Indian correction from the Western zodiac to the star-fixed one.

An example. Born with the Moon at 15° of Vrishabh, you are in Rohini (10° to 23°20′ of Vrishabh), whose lord is Chandra; the Moon has crossed 38% of it, so 38% of Chandra’s 10 years had gone at birth, and 6 years 3 months of Chandra mahadasha were left. Mangal’s follows, then Rahu’s, in the fixed order. Parashara sets out the Vimshottari dasha in Brihat Parashara Hora Shastra, chapter 46. The last months of a mahadasha, as it hands over to the next, are called dasha sandhi (the junction), and are read with care.

Periods inside periods

Each mahadasha divides into nine antardashas in the same order, starting with its own lord, and an antardasha of B inside A runs for A × B ÷ 120 years. Each antardasha divides again into pratyantar dashas, and those into sookshma dashas of a few days.

Saturn in Saturn19 × 19 ÷ 120 = 3 years 3 days
Sun in Ketu7 × 6 ÷ 120 = 4 months 6 days
Venus in Venus20 × 20 ÷ 120 = 3 years 4 months

How Parashara reads a dasha (BPHS chapter 47)

BPHS says a dasha gives two kinds of results: general ones, which come from the graha's own nature, and particular ones, which come from where it sits in the kundli and what it joins. BPHS 47.2

The results of a graha's dasha are in keeping with its strength. BPHS 47.3

The dreshkana (each third of a rashi, 10°) a graha occupies shows when its results are felt: in the first dreshkana, at the start of the dasha; in the second, in the middle; in the third, towards the end. BPHS 47.3

If the graha is vakri (retrograde), this order is reversed. Rahu and Ketu, which always move vakri, always give their results in the reverse order. BPHS 47.4

The results are favourable if, as the dasha begins, the dasha lord is in the lagna (the 1st house), in its exaltation or own rashi, or in a friendly rashi. BPHS 47.5

The results are unfavourable if the dasha lord is then in the 6th, 8th or 12th house, in its debilitation rashi, or in an enemy's rashi. BPHS 47.6

What does my running dasha mean for me?Acharya Parashara reads your mahadasha and antardasha with your whole kundli.

Every period, read for your chart

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Every month of your year read from your own chart, and when each part of life opens up.

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Common questions

What is Vimshottari dasha?

A system that divides a life into nine planetary periods totalling 120 years, always in the order Ketu, Venus, Sun, Moon, Mars, Rahu, Jupiter, Saturn, Mercury. Which one you are born into is decided by the nakshatra the Moon was in at your birth.

Which dasha am I running now?

It follows from your birth date, time and place. The dasha calculator works out all nine, dates them and reads each one for your chart.

What is the difference between mahadasha and antardasha?

The mahadasha is the major period, from six years for the Sun to twenty for Venus. Each is divided into nine antardashas in the same order, and an antardasha of B inside a mahadasha of A runs for A × B ÷ 120 years.

Is a Saturn or Rahu mahadasha always bad?

No. A period gives the results of the houses its lord rules and of the house it sits in. Saturn ruling good houses and sitting strong in a good one gives a steady, rewarding period. Rahu rules no house: it gives the results of the house it sits in and of that rashi’s lord, and the tradition adds that it acts like Saturn (“Shanivat Rahu”). The calculator reads both for your chart.

Do dasha dates need an exact birth time?

For the balance at birth, yes. The Moon moves about thirteen degrees a day, so a few hours change how much of the first mahadasha had gone and shift every date after it. The order and lengths do not change.

Which dasha you are running is a fact about your chart.

It follows from the Moon’s nakshatra at your birth. Enter your birth details and the whole 120-year timeline comes with it, each period read for your chart.

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