Planetary periods from the birth Moon
Calculate your current Mahadasha, Antardasha and Pratyantar Dasha from your exact birth date, time and place.
Date, exact time, and place give the clearest Dasha timeline.
Based on your Moon Nakshatra and the Vimshottari 120-year sequence.
Planetary periods in Jyotish
Vimshottari Dasha is a planetary-period timing system in Vedic astrology that unfolds life through a fixed 120-year sequence of Mahadashas and their nested sub-periods.
In Jyotish, Dasha means a chapter ruled by a planet. Vimshottari is the most common form: nine grahas take turns as period lords, each for a set number of years, and the whole wheel adds up to 120 years. The sequence does not start at birth from a blank slate. It begins from the lord of the Moon’s Nakshatra at birth, often part-way through that planet’s Mahadasha.
Inside every Mahadasha sit nine Antardashas. Inside every Antardasha sit nine Pratyantar periods. Together they give a nested clock: a long planetary climate, a medium chapter, and a shorter accent. Traditional timing work uses those layers with the birth chart rather than reading the planet name alone as a prediction.
That is why two people born days apart can share a Mahadasha lord and still live different Antardasha and Pratyantar calendars. The outer planet names the long season; the nested lords mark when that season tightens, softens, or turns a corner.
This free calculator shows your current Mahadasha, Antardasha, and Pratyantar, the balance remaining at birth, and the major-period timeline ahead—so you can see which planetary chapter you are in, and when it changes.
Three nested periods
Vimshottari timing is easiest to read as three nested periods: a major chapter, a sub-period inside it, and a shorter span inside that. Start from the outside and move inward.
The major planetary period. It sets the broad climate for years at a time and is usually the first answer people want when they ask what Dasha they are in. Venus can run for twenty years; the Sun for six. Your result highlights the current one and keeps the full sequence visible beside it.
The sub-period inside the Mahadasha. It mixes a second planet into the chapter and is usually the layer people notice changing every few months to a few years. A Venus / Saturn stretch does not erase Venus; it brings Saturn’s pace, duty, or friction into a Venus-ruled season.
The finer period inside the Antardasha. Expand a sub-period in your result to see these dates. Pratyantar helps when you want the near-term accent inside a longer chapter, without drowning the timeline in every traditional subdivision.
For example, Venus / Saturn / Mercury means Venus holds the major period, Saturn colors the sub-period, and Mercury marks the shorter span running now. Knowing all three keeps the middle answer—your Antardasha—from floating free of the longer chapter around it.
From birth details to period dates
From your birth date, exact time, and birthplace, the calculator finds the Moon’s sidereal longitude with Lahiri Ayanamsa. That position selects the birth Nakshatra and its ruling planet, which opens the Vimshottari sequence.
The Moon’s place inside the Nakshatra also sets the balance of the first Mahadasha: how much of that planet’s years had already elapsed before birth, and how much remained. If the Moon sits early in a star ruled by Venus, more of the twenty-year Venus period is still ahead; if it sits late, birth may catch only the closing balance of that same lord.
From the remaining balance the calculator follows the fixed order—Ketu, Venus, Sun, Moon, Mars, Rahu, Jupiter, Saturn, Mercury—and places Antardasha and Pratyantar spans inside each major period. Each shorter period takes a share of the longer one, using the same traditional year lengths that make up the full 120-year cycle.
Exact time and place still matter. The Moon can change Nakshatra within a day, and the wrong time zone—or treating an older birth with today’s daylight-saving rules—can move the starting star. The dates here are a timing map. They do not replace a full-chart reading of house placement, planetary strength, aspects, and the Navamsa (D9).
Combine date, local time, and birthplace, including that place’s historical time zone and any hour the clocks skipped forward or repeated when they fell back.
Calculate the Moon, apply Lahiri Ayanamsa, and place its position in one of the 27 Nakshatras of 13°20′ each.
Use the Nakshatra lord as the dasha at birth, then measure how much of that planet’s years remain from the Moon’s progress through the star.
Continue through the fixed planetary order, place Antardasha and Pratyantar periods inside each major span, and mark which chapter is current today.
Fixed planetary years
These are the traditional Mahadasha lengths in the standard Vimshottari order. Your own dates still depend on the birth Nakshatra and how much of the first period remained at birth—this table gives the shared lengths, not your personal start and end dates.
The order is fixed. What changes from chart to chart is the entry point: the Moon’s Nakshatra chooses the opening lord, and the Moon’s progress through that star chooses how much of the first Mahadasha is already spent. After that balance is set, the same nine lengths repeat in the same sequence for the rest of the 120-year wheel.
A short reading with your dates
After you calculate, the result includes a short traditional note on the Mahadasha, Antardasha, and Pratyantar running now.
That note stays brief: key themes for the periods in force, not a long forecast for every area of life. A period lord names a field of life more than a single event. Venus can point toward relationship, craft, or values; Saturn toward duty, delay, or durable structure. Which house and sign carry those themes still decides where they land.
A fuller reading would still need the rest of the chart—house placement, sign, aspects, planetary strength, house rulership, Navamsa (D9), and current transit—before it could speak in personal detail. Use the short meaning as orientation while you check the exact dates and the expandable timeline. The calendar comes first; the note is a starting point, not a complete verdict.
Common questions
Enter your birth date, exact time, and birthplace above. The calculator finds your Moon’s sidereal Nakshatra, starts the 120-year Vimshottari sequence from that star’s lord, and shows the Mahadasha, Antardasha, and Pratyantar running now, with their start and end dates.
Date of birth alone is not enough for a reliable result. Vimshottari Dasha depends on the Moon’s exact sidereal longitude at birth, so you also need birth time and place. From those details the calculator finds the birth Nakshatra, the balance of the first Mahadasha, and the full timeline that follows.
Vimshottari Dasha is the most widely used planetary-period system in Vedic astrology. It divides a 120-year cycle among nine grahas in a fixed order, beginning from the lord of the Moon’s Nakshatra at birth. Those major periods are Mahadashas; each contains shorter Antardashas and still finer Pratyantar periods.
A Mahadasha is a major planetary period in the Vimshottari system. Each one is ruled by one of the nine grahas and lasts a fixed number of years—from 6 years for the Sun to 20 years for Venus. Your result highlights the Mahadasha running now and shows the full sequence across life.
An Antardasha is a sub-period inside a Mahadasha. Every major period contains nine Antardashas in the same planetary order used for Vimshottari as a whole. After you calculate, expand any Mahadasha in your timeline to see those sub-periods with exact dates.
Pratyantar Dasha is a still shorter period inside an Antardasha. Expand a sub-period in your result to see its nine Pratyantar spans with start and end dates. Finer traditional levels beyond Pratyantar are left out here so the timeline stays easy to read.
The full Vimshottari cycle is 120 years. The nine Mahadashas always add up to that total, whether you begin mid-way through a birth period or later in life. Individual Mahadasha lengths differ by planet, and the first one is usually only a remaining balance rather than a complete span.
The Moon’s Nakshatra at birth chooses which planet opens the sequence and how much of that first Mahadasha remains. Without the birth star, the timeline has no starting point. You can also open the Nakshatra calculator on this site to inspect the same lunar mansion in more detail.
Yes. You can calculate your current Mahadasha, Antardasha, and Pratyantar, view the full major-period timeline, and expand sub-periods without payment or an account. Birth details are used for the calculation and are not saved.