# Vimshottari Dasha -- Meaning, Origin & How It's Used > Vimshottari is the default 120-year, nine-planet Vedic dasha cycle, with its starting point and balance at birth fixed by the Moon's exact nakshatra and degree. - **Canonical URL**: https://merirashi.com/en/glossary/vimshottari - **Language**: en --- 1. [Home](https://merirashi.com/en) 2. / 3. [Glossary](https://merirashi.com/en/glossary) 4. / 5. Vimshottari Dasha Glossary - Time & Prediction ## Vimshottari Dasha Vimshottari Quick definition Vimshottari is the default 120-year, nine-planet Vedic dasha cycle, with its starting point and balance at birth fixed by the Moon's exact nakshatra and degree. [Calculate your free birth chart](https://merirashi.com/en/birth-chart-calculator)[Browse the full glossary](https://merirashi.com/en/glossary) Definition ## What is Vimshottari Dasha? Vimshottari dasha is the specific, by far most widely used dasha system within Vedic astrology, so dominant that many people encounter it before ever learning that other dasha systems exist. It is built on a fixed cycle of exactly 120 years distributed across the nine classical grahas, each assigned a set number of years: Ketu 7, Venus 20, Sun 6, Moon 10, Mars 7, Rahu 18, Jupiter 16, Saturn 19, Mercury 17, running in that unchanging order and looping back to Ketu once the cycle completes. Every birth chart is mapped onto this same 120-year sequence, but the starting mahadasha and how much of that first period remains at birth are individually calculated from the exact nakshatra, and precise degree within that nakshatra, occupied by the natal Moon. Because the Moon moves through roughly one nakshatra every day, this makes accurate birth time genuinely essential to Vimshottari calculations, not a minor technical detail; even births separated by a few hours can land the Moon in a different nakshatra and produce a materially different dasha sequence for the rest of that person's life. Where the word comes from ## Etymology Vimshottari derives from Sanskrit vimshati, twenty, and uttara, here functioning as additional or beyond, combining to mean one hundred and twenty, a direct reference to the system's fixed total cycle length in years. The system and its calculation method are described extensively in Brihat Parashara Hora Shastra, one of the foundational texts of Parashari Vedic astrology, which lays out both the nine dasha-lord year allocations and the nakshatra-based method for determining an individual's starting point within the cycle. ## How it's used in a real chart A worked example, not just theory. Because the starting mahadasha depends entirely on the Moon's natal nakshatra, small differences in birth time can produce dramatically different dasha timelines even for people born on the same day. Consider two babies born a few hours apart on the same date, one with the Moon positioned in Rohini nakshatra and the other in Mrigashira, the very next nakshatra along the zodiac. Rohini is ruled by the Moon itself, so the first baby begins life in a Moon mahadasha, a 10-year period. Mrigashira is ruled by Mars, so the second baby begins in a Mars mahadasha, a 7-year period with an entirely different set of classical themes. From that point forward, the two children's entire dasha sequences diverge, one running Moon, then Mars, then Rahu, and so on, the other running Mars, then Rahu, then Jupiter, and so on, each starting from a different point in the fixed nine-lord cycle. This is a concrete illustration of why Vedic astrologers treat exact birth time as indispensable: two charts that might look broadly similar in sign placements can carry substantially different predictive timelines purely because of where the Moon sat within its nakshatra at the moment of birth. No fear-selling ## Common misconceptions Myth vs. reality Because Vimshottari is so dominant in popular Vedic astrology content, it is easy to assume it is the single, universal dasha system used by every Vedic astrologer everywhere, with no real alternative. That is not accurate. Vimshottari is the majority default and works well for the overwhelming majority of charts, which is why it appears first in most software and most introductory material, including on this site. But classical literature also preserves several other dasha systems built on different logics, including Jaimini's Chara dasha, calculated from rashi placements rather than planetary periods, Yogini dasha, an eight-lord cycle, and Kalachakra dasha, a more intricate nakshatra-pada-based system, among others. These are used instead of or alongside Vimshottari in various regional and lineage traditions, particularly in South Indian and Jaimini-focused schools of practice. None of these alternatives is a lesser or discredited system; they simply reflect different calculation methods developed within the broader Vedic astrological tradition, each with its own textual basis and community of practitioners who consider it appropriate for certain chart conditions. Go deeper ## Related tools & guides [See every Mahadasha](https://merirashi.com/en/dashas) [Browse Antardasha combinations](https://merirashi.com/en/antardasha) ## Frequently asked questions Why does Vimshottari dasha require such an accurate birth time? The starting mahadasha and its remaining balance at birth are both calculated from the Moon's exact nakshatra and degree position, and the Moon changes nakshatra roughly every 24 to 30 hours. A birth time error of even an hour or two can, near a nakshatra boundary, shift the calculated starting dasha lord entirely, changing the whole predicted timeline that follows. What do the numbers Ketu 7, Venus 20, Sun 6 and so on actually mean? These are the fixed number of years each planet rules within the full 120-year Vimshottari cycle: Ketu 7, Venus 20, Sun 6, Moon 10, Mars 7, Rahu 18, Jupiter 16, Saturn 19, Mercury 17\. Every chart proceeds through these nine periods in this exact order, differing only in which lord it starts with, based on the natal Moon's nakshatra. Is Vimshottari the only dasha system Vedic astrologers use? No, though it is by far the most common default. Other classical systems, including Jaimini's Chara dasha, Yogini dasha, and Kalachakra dasha, are used instead of or alongside Vimshottari in various lineages and regional traditions, particularly South Indian and Jaimini-focused schools. Vimshottari's dominance reflects its broad applicability, not the invalidity of these alternatives. How is the remaining balance of the first mahadasha calculated? An astrologer measures how far the Moon had already traveled through its natal nakshatra at the moment of birth, expresses that as a proportion of the nakshatra's total span, and subtracts the corresponding proportion of years from that nakshatra lord's full Vimshottari period. The remainder is the balance of the first mahadasha actually lived through from birth onward. Explore ## Related terms [Dasha](https://merirashi.com/en/glossary/dasha) [Mahadasha](https://merirashi.com/en/glossary/mahadasha) [Nakshatra](https://merirashi.com/en/glossary/nakshatra) ## See Vimshottari Dasha in your own chart Definitions are a start. Compute your real birth chart to see exactly where this shows up for you -- free, in seconds. [Calculate my chart](https://merirashi.com/en/birth-chart-calculator)[Browse all terms](https://merirashi.com/en/glossary)