Free tool
Dasha Periods Calculator
See the planetary period you are running now — and the years ahead.
What is a Dasha period and how is the Vimshottari Dasha calculated?
Vimshottari Dasha is the Vedic timing system that divides life into planetary periods totalling 120 years. Each of the nine planets rules a Mahadasha of fixed length — Venus 20 years, Saturn 19, Jupiter 16, and so on — subdivided into Antardashas in the same proportion. The sequence and your starting point are set by the Moon's Nakshatra at birth, so this tool computes that Nakshatra from your birth details and returns your running period and full timeline with dates.
Dasha dates are calculated; events are not. Traditional practice reads a period as a phase with a flavour, not as a scheduled outcome.
Vedic astrology reads life in chapters. The Vishottari Dasha system hands each of the nine planets a stretch of years, and the planet whose turn it is colours that whole chapter — the themes that come up, and the kind of effort that pays off.
Nothing here is fixed or fated. Knowing your running period simply tells you which part of your own chart is switched on right now, so you can work with it instead of against it.
Your timeline
The Vimshottari life-map
A 120-year cycle divided between the nine planets. Each band is one Mahadasha, sized to its real length in years.
Your birth details
Used only to calculate your chart. Nothing is shared.
What a Dasha is
A Dasha is a planetary period. In the Vimshottari system the nine planets each rule a Mahadasha, and every Mahadasha contains all nine Antardashas in the standard order, proportioned to their own lengths. Deeper levels — Pratyantar and below — subdivide the same way.
This is the timing layer of a Kundli. The chart says what a placement is associated with; the Dasha says when that part of the chart is foregrounded.
How the Dasha timeline is calculated
The Moon's sidereal longitude at birth gives its Nakshatra and how far through that Nakshatra it had travelled. The Nakshatra's ruling planet becomes your first Mahadasha, and the portion already elapsed determines how much of that first period had already passed at birth — which is why two people born on the same day can start in different places.
Every later period follows mechanically from the fixed sequence and fixed lengths, so the dates are arithmetic once the birth Nakshatra is known. An accurate birth time matters because the Moon moves through a Nakshatra in about a day.
What your running Dasha means
In traditional Vedic astrology the current Mahadasha and Antardasha are read together: the Mahadasha lord sets the long theme, the Antardasha lord colours the months inside it. The houses each of those planets rules and occupies in your chart are what the tradition actually interprets — which is why the same Saturn period reads differently in two charts.
A period is commonly interpreted as a phase to work with rather than a forecast of events. A single Dasha is not sufficient to conclude that something will or will not happen, and we do not attach dates to outcomes.
Common misconceptions
“A Rahu or Saturn Mahadasha is inherently bad.”
Traditional readings depend on what those planets rule and occupy in your own chart. No period is described here as bad, and we avoid framing any planet as an enemy.
“The Dasha tells me the date something will happen.”
The period boundaries are calculated dates; events are not calculable. Classical practice uses Dasha to describe the character of a phase.
“Dasha is the same as a transit.”
Dasha comes from your birth Moon position and is unique to you; transits are where planets are in the sky today and are shared by everyone. Traditional practice reads the two together.
Vimshottari Mahadasha: all 9 planets and their years
The traditional Vimshottari cycle totals 120 years across nine grahas in a fixed order. These are the standard period lengths, not the years you personally spend in each period after your birth: you normally enter the sequence partway through a Mahadasha.
| Order | Mahadasha lord | Years |
|---|---|---|
| 1 | Ketu | 7 |
| 2 | Venus | 20 |
| 3 | Sun | 6 |
| 4 | Moon | 10 |
| 5 | Mars | 7 |
| 6 | Rahu | 18 |
| 7 | Jupiter | 16 |
| 8 | Saturn | 19 |
| 9 | Mercury | 17 |
| Full theoretical cycle | 120 years | |
Worked example: why the first period is shorter
Ashwini Nakshatra is traditionally ruled by Ketu, whose Mahadasha allotment is 7 years. If the Moon were exactly halfway through Ashwini at birth, the theoretical remaining Ketu balance would be 7 × ½ = 3.5 years. This is a teaching example, not a calculated person's birth chart or an exact calendar end date.
The actual start, end and Antardasha dates depend on the Moon's precise sidereal longitude, the birth instant, the chosen ayanamsa and the calendar-year convention used by the calculation provider. Two tools with different calculation conventions can disagree even when their nine standard durations match.
Frequently asked questions
What is a Dasha in Vedic astrology?+
A Dasha is a planetary period. The Vishottari system divides a 120-year cycle between the nine planets, so at any point in life one planet is considered the main influence — your Mahadasha — with smaller sub-periods running inside it.
How is my Mahadasha calculated?+
It is calculated from the exact degree of the Moon at birth, which fixes your birth Nakshatra and its ruling planet. That decides which Dasha you were born into and how much of it was left, so an accurate birth time matters.
What is the difference between Maha, Antar and Paryantar Dasha?+
Mahadasha is the main period, sometimes lasting years. Antardasha is the sub-period within it, and Paryantar Dasha is the sub-sub-period. Reading them together is what makes timing specific rather than general.
Is a particular Dasha good or bad?+
No period is simply good or bad. A Dasha activates whatever that planet promises in your own chart, so the same Saturn period can mean steady discipline for one person and a change of direction for another.
Do I need my exact birth time?+
Yes, for Dasha it matters most of all. Even a few minutes can shift the balance of the running period, so use the most accurate time you have.
Prepared and maintained by AskJeevanGuru Vedic Research & Editorial Desk.
Astrology guidance is for spiritual reflection and self-awareness only. It should not be treated as guaranteed future prediction.
How this result is calculated — sidereal positions using the Lahiri (Chitrapaksha) ayanamsa, then traditional rules, then a written explanation. Each layer is labelled separately.