What is the Vimshottari dasha system?

Vimshottari is the most widely used Vedic dasha (planetary timing) system. It divides 120 years into nine fixed periods (mahadashas), one for each navagraha (Sun, Moon, Mars, Mercury, Jupiter, Venus, Saturn, Rahu, Ketu). Each mahadasha is subdivided into nine antardashas, and each antardasha is further subdivided into nine pratyantars — so any moment in life is flavoured by a specific stack of three planetary lords.

How is my birth dasha lord determined?

The mahadasha lord at birth is determined by the nakshatra (lunar mansion) your natal Moon occupies at birth, using sidereal positions. Each nakshatra is ruled by one of the nine navagrahas, and the proportion of the Moon's travel through that nakshatra determines how much of the lord's mahadasha you 'inherit' as a partial-balance period.

What's the difference between mahadasha, antardasha, and pratyantar?

Mahadasha is the major planetary period (6–20 years depending on the lord). Antardasha is the sub-period inside the mahadasha — each mahadasha is divided into 9 antardashas, one per navagraha, with duration proportional to that lord's mahadasha length. Pratyantar is the sub-sub-period (typically a few weeks to months). Reading all three layers together gives the most precise timing.

Do I need an exact birth time for accurate dashas?

Mahadasha and antardasha are derived from the natal Moon's position — birth time helps but isn't strictly required unless your birth fell close to a Moon ingress (the Moon moves ~1° every two hours, so a wrong hour can shift your dasha lord). Pratyantar dasha is more sensitive to time precision, since the periods are only weeks long.

विम्शोत्तरी दशा · Vimshottari

Vimshottari Dasha Calculator

The most-used Vedic timing system. See your active mahadasha, antardasha, and pratyantar, plus the full lifetime timeline of all nine planetary periods across 120 years.

Why dasha matters

A natal chart shows the potential of a life. The dasha system shows when each part of that potential foregrounds. A planet that's strong in the chart but never gets a major dasha until middle age delivers its gifts late; a debilitated planet running its mahadasha early shapes formative years more than a chart-only read suggests.

Three layers stack. Mahadasha sets the long arc (years). Antardasha colours the sub-period (months to years). Pratyantar tunes the present moment (weeks). Read all three together for the most precise timing.

Each lord has a flavour. Saturn periods slow life into structure; Jupiter expands; Venus brings partnership and beauty; Rahu drives ambition into the unknown. Where each lord sits in your chart sharpens that generic flavour into specific themes — read this page alongside our full natal-chart calculator.

What this calculator returns

Birth dasha lord — the mahadasha you inherit as a partial-balance period from your natal Moon's nakshatra.
Active stack today — your current mahadasha, antardasha, and pratyantar with classical significations of each lord.
Drill-down by antardasha — every antardasha inside your active mahadasha, with pratyantar expansion on click.
Lifetime timeline — all 9 mahadashas from birth onwards (~120 years), highlighting past, present, and future periods.

How Vimshottari works

The 120-year cycle is divided into nine periods, fixed by classical tradition. Lengths add up to 120 — a complete human life-arc:

Ketu

Venus

20y

Sun

Moon

10y

Mars

Rahu

18y

Jupiter

16y

Saturn

19y

Mercury

17y

The order is fixed: Ketu → Venus → Sun → Moon → Mars → Rahu → Jupiter → Saturn → Mercury, then repeats. Only the entry point differs by birth nakshatra.

Computed from your sidereal natal Moon's nakshatra position using the classical Vimshottari formula. Birth time helps but isn't strictly required for mahadasha — accuracy improves at the antardasha and especially pratyantar levels.

Why dasha matters

What this calculator returns

Enter Your Birth Data

How Vimshottari works