Meena lagna · vimshottari
The Rahu Mahadasha for Pisces Ascendant
18 years · Rahu rules no house
The Parashari way to read a mahadasha for a given ascendant starts with the houses its lord holds. For Pisces ascendant Rahu holds none: the nodes rule no sign in whole-sign lordship, so the 18-year Rahu mahadasha for Pisces is read through the lord of the sign Rahu occupies at birth, and through that sign’s house from Pisces, which no table can supply without the chart.
Rahu is exalted on the commoner reckoning in Taurus, the 3rd from Pisces, and debilitated by the same reckoning in Scorpio, the 9th; planets.js records other signs as well. Rahu counts Jupiter, Pisces’s lagna lord, neutral; Jupiter’s own row names no node, so the reverse has no entry. Rahu’s own nakshatras fall in Ardra (the 4th), Swati (the 8th) and Shatabhisha (the 12th) for Pisces ascendant, which is where a birth that opens in the Rahu mahadasha has its Moon.
The Nine Sub-Periods, by Lordship for Pisces
| # | Antardasha | Length (classical) | Its lord rules, for Pisces |
|---|---|---|---|
| 1 | Rahu–Rahu | 2 years 8 months 12 days | no house |
| 2 | Rahu–Jupiter | 2 years 4 months 24 days | the 1st and the 10th |
| 3 | Rahu–Saturn | 2 years 10 months 6 days | the 11th and the 12th |
| 4 | Rahu–Mercury | 2 years 6 months 18 days | the 4th and the 7th |
| 5 | Rahu–Ketu | 1 year 18 days | no house |
| 6 | Rahu–Venus | 3 years | the 3rd and the 8th |
| 7 | Rahu–Sun | 10 months 24 days | the 6th |
| 8 | Rahu–Moon | 1 year 6 months | the 5th |
| 9 | Rahu–Mars | 1 year 18 days | the 2nd and the 9th |
For Pisces ascendant, three of the Rahu mahadasha’s sub-periods belong to lords of a dusthana (the 6th, 8th or 12th): Rahu–Saturn, Rahu–Venus and Rahu–Sun, and two to lords of a trikona other than the 1st: Rahu–Moon and Rahu–Mars. The sub-period of Jupiter, Pisces’s lagna lord, is Rahu–Jupiter, the second of nine, 2 years 4 months 24 days long. Counted in time, sub-periods whose lords hold a dusthana for Pisces take 6 years 9 months (38%) of the Rahu mahadasha’s 18 years, and those whose lords hold a trikona other than the 1st take 2 years 6 months 18 days (14%); a lord holding both is counted in both. In the Rahu mahadasha for Pisces, the Rahu and Ketu sub-periods are read through their dispositors in the chart, since neither node rules a house.
For a Pisces-rising chart this is the frame of the Rahu mahadasha, not a forecast: where Rahu and each sub-period lord actually sit, and their dignity there, decide what it comes to, and this page cannot know either.
Related
For Pisces or any other ascendant, the Rahu mahadasha’s sub-period arithmetic, with the nine pratyantars of each, is on the Rahu mahadasha table; the Pisces chart house by house on the Pisces ascendant page. How the Rahu mahadasha is read in general is in our Rahu mahadasha article, and the system in Vimshottari dasha explained.