Talk to an astrologer about Rahu mahadasha and its 9 antardashas
Rahu mahadasha is an 18-year chapter of the Vimshottari dasha, and the classical texts read it by Rahu's sign, house and the sub-period running, not as one fixed fate.
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My Rahu mahadasha started last year and everything feels unsettled. Which antardasha am I in, and what do the texts actually say about it?
Please share your birth date, exact time and place. I will first work out your Rahu dates and the sub-period running now, then look at Rahu's sign and house before we talk about what the texts link with it.
Short answer
Rahu mahadasha, also called Rahu dasha or Rahu ki mahadasha, is the 18-year period ruled by Rahu in the Vimshottari system of Brihat Parashara Hora Shastra 1. It holds nine antardashas, from 10 months 24 days (Sun) to 3 years (Venus). The same texts list good and hard results, so astrologers read your Rahu's sign, house and current sub-period. On Kismo, verified Vedic astrologers read your dasha dates by chat or call, online from anywhere.
What are the key facts about rahu mahadasha?
| Answer | |
|---|---|
| What it is | The 18-year Rahu period of Vimshottari dasha, one of nine periods that add up to 120 years 1 |
| Other names | Rahu dasha, Rahu ki mahadasha, Rahu mahadasa, राहु महादशा, Rahu thisai in Tamil |
| Who runs it | About 85% of people meet it before age 80; about 11% are born inside it (calculated, method below) |
| Where it sits | Always after Mars mahadasha (7 years) and before Jupiter mahadasha (16 years) 1 |
| What an astrologer checks | Rahu's sign and house, planets with it, the sub-period running, and how far into the 18 years you are |
| What to bring | Date, exact time and place of birth; the dasha start date depends on the Moon's exact degree |
| Session on Kismo | From ₹15 a minute, 5 free minutes in the first session, online from anywhere in India and abroad |
What does an astrologer check in Rahu mahadasha?
- The start and end dates. Rahu mahadasha dates come from the Moon's position inside its birth nakshatra at the moment of birth, as Brihat Parashara Hora Shastra 46.16 describes 1.
- Rahu's sign. Phaladeepika 19.16 reads Rahu in Virgo, Pisces or Scorpio as honour, land and vehicles during the period, which may go when it ends 4.
- Rahu's house and company. Phaladeepika 19.15 reads the period as auspicious when Rahu joins a benefic and stays out of the 6th, 8th and 12th 4; BPHS 47.40 links Rahu in the 8th or 12th with suffering 2.
- The antardasha running now. Chapter 55 of Brihat Parashara Hora Shastra gives each of the nine sub-periods its own verses, good and hard 3.
- The third of the 18 years. BPHS 47.42 and 47.43 describe the start, middle and end of Rahu's period differently 2.
- Your age and life stage. Phaladeepika 21.83 and 21.84 tell the astrologer to fit dasha results to the person's station and occupation 5.
Which situation is yours?
- Rahu Mahadasha Sun Antardasha: Ask an Astrologer
Rahu-Sun is the shortest at 10 months 24 days, and BPHS names foreign travel and honour abroad in it.
- Rahu Mahadasha Moon Antardasha: Ask an Astrologer
Rahu-Moon runs 1 year 6 months, and the Moon's strength and phase decide the tone for home and mind.
- Rahu Mahadasha Mars Antardasha: Ask an Astrologer
Rahu-Mars closes the period in 1 year 0 months 18 days and leads straight into Jupiter mahadasha.
- Rahu Mahadasha Rahu Antardasha: Ask an Astrologer
Rahu-Rahu opens the period for 2 years 8 months 12 days and is read straight from Rahu's own sign and house.
- Rahu Mahadasha Jupiter Antardasha: Ask an Astrologer
Rahu-Jupiter runs 2 years 4 months 24 days, and both classical texts read it kindly when Jupiter is strong.
- Rahu Mahadasha Saturn Antardasha: Ask an Astrologer
Rahu-Saturn is the second longest at 2 years 10 months 6 days and turns on Saturn's dignity and house.
- Rahu Mahadasha Mercury Antardasha: Ask an Astrologer
Rahu-Mercury lasts 2 years 6 months 18 days, and the texts tie it to business, learning and marriage when Mercury is well placed.
- Rahu Mahadasha Ketu Antardasha: Ask an Astrologer
Rahu-Ketu is a short 1 year 0 months 18 days, with Ketu always opposite Rahu, so the reading centres on the axis.
- Rahu Mahadasha Venus Antardasha: Ask an Astrologer
Rahu-Venus is the longest sub-period at 3 years and straddles the middle and end of the 18 years.
- Rahu Mahadasha and Career: Ask an Astrologer
Career in Rahu mahadasha is read from Rahu's link to the 10th house and from which sub-period lords sit badly from Rahu.
- Rahu Mahadasha and Marriage: Ask an Astrologer
Marriage in Rahu mahadasha is read from the sub-periods the texts tie to a spouse and from Rahu's place on the 1st-7th axis.
- Rahu Mahadasha and Money: Ask an Astrologer
Money in Rahu mahadasha turns on Rahu's sign, the planet that owns that sign, and spending habits across 18 long years.
- Rahu Mahadasha Remedies: Ask an Astrologer
Remedies covers the free practices the texts and astrologers name, sub-period by sub-period, and the red flags before paying for any ritual.
At what age does Rahu mahadasha usually start?
Rahu mahadasha has no usual age: it can start at birth, in childhood, in middle age or after 80. A calculation of 30,000 random births for Delhi, 1960 to 2010, shows how widely the start age spreads.
| When Rahu mahadasha begins | Share of people |
|---|---|
| Already running at birth (Moon in Ardra, Swati or Shatabhisha) | 10.8% |
| Age 0 to 20 | 28.4% |
| Age 20 to 40 | 15.1% |
| Age 40 to 60 | 19.0% |
| Age 60 to 80 | 12.1% |
| Not before age 80 | 14.6% |
Among people not born inside it, the median start age is 41.9 years, and 18.2% are running it at age 35. Calculated from public astronomical data with the open-source astronomia library 6: Lahiri sidereal Moon, Vimshottari balance from the birth nakshatra, script seo-kit/calc/rahu-mahadasha.mts.
Software can also disagree by about three months. Eighteen dasha years of 360 days make 6,480 days, while 18 calendar years of 365.25 days make 6,574.5, a gap of 94.5 days. Ask your astrologer which year length they use.
What is Rahu mahadasha called in Hindi, Tamil, Telugu and Malayalam?
Rahu mahadasha keeps the name Rahu across India, with the word for period changing by language. Many people search for Rahu dasha or Rahu ki mahadasha in Hindi, and Rahu thisai or Rahu dasai in Tamil.
| Language | Name in script | Transliteration |
|---|---|---|
| Hindi | राहु महादशा / राहु की महादशा | Rahu mahadasha / Rahu ki mahadasha |
| Tamil | ராகு திசை / ராகு தசை | Rahu thisai / Rahu dasai |
| Telugu | రాహు మహాదశ | Rahu mahadasha |
| Kannada | ರಾಹು ದಶೆ | Rahu dashe |
| Malayalam | രാഹു ദശ | Rahu dasha |
| Bengali | রাহুর মহাদশা | Rahur mahadasha |
Which classical texts describe Rahu mahadasha?
Brihat Parashara Hora Shastra sets out Rahu mahadasha in chapter 46, where it names Vimshottari the principal dasha system and fixes a full life at 120 years 1. Verse 12 counts the nakshatras from Krittika and gives their lords in a fixed order: Sun, Moon, Mars, Rahu, Jupiter, Saturn, Mercury, Ketu, Venus 1.
That count makes Rahu the lord of the 4th, 13th and 22nd nakshatras from Krittika. Those are Ardra, Swati and Shatabhisha, so a person whose Moon sits in one of them is born inside Rahu's period 1.
Chapter 47 gives the results of each period, and its Rahu verses run from 34 to 43 2. Chapter 55 then reads the nine sub-periods inside Rahu's 18 years in 83 verses 3. Phaladeepika, written later by Mantreswara, has its own Rahu verses in chapter 19 and its own sub-period list in chapter 21 45.
| Text and chapter | What it covers for Rahu mahadasha | Source |
|---|---|---|
| BPHS 46.12-16 | Nakshatra lords, the 120-year total, balance of the period at birth | 1 |
| BPHS 47.34-43 | Rahu's signs, results by house and company, start, middle and end | 2 |
| BPHS 55.1-83 | The nine antardashas, each with good and hard conditions and remedy lines | 3 |
| Phaladeepika 19.14-16, 19.21 | Hard results, the auspicious case, results in Virgo, Pisces or Scorpio | 4 |
| Phaladeepika 21.2, 21.30-38 | Sub-period length rule and one verse per Rahu sub-period | 5 |
The two texts do not always agree. For the Rahu-Jupiter sub-period both are kind, but for Rahu-Rahu Phaladeepika 21.30 lists only separation and worry, while BPHS 55.1-4 also promises honour in some signs 35.
Does everyone go through Rahu mahadasha in their life?
Not everyone goes through Rahu mahadasha, because the nine periods add up to 120 years and few lives last that long 1. In the calculation above, 85.4% of people reach it before age 80 and 14.6% do not.
The ages bunch in two groups, which surprises many people. Rahu's period has begun by age 30 for 48.8% of people, yet only 5.5% start it between 30 and 40, because the long Jupiter, Saturn, Mercury and Venus periods sit between one Rahu period and the next (calculated, method above).
| Calculated fact | Value |
|---|---|
| Rahu's share of the 120-year cycle | 18 years, 15.0% 1 |
| Rahu mahadasha has begun by age 30 | 48.8% |
| Rahu mahadasha has begun by age 50 | 66.9% |
| Rahu mahadasha overlaps any part of ages 20 to 40 | 40.4% |
| Starts between ages 30 and 40 | 5.5% |
Because the dasha depends on the Moon, not on Rahu's house, these shares are the same for every Rahu placement. A Rahu in the 10th and a Rahu in the 12th start their period at the same age if the Moon is in the same place 1.
What are the 9 antardashas in Rahu mahadasha, in order?
The 9 antardashas in Rahu mahadasha run Rahu, Jupiter, Saturn, Mercury, Ketu, Venus, Sun, Moon and Mars, always in that order 5. Each lasts 18 years times the sub-period planet's own years, divided by 120, as Phaladeepika 21.2 states 5. Lengths use the 360-day dasha year.
| Antardasha | Length | Starts after | Ends after |
|---|---|---|---|
| 1. Rahu-Rahu | 2 years 8 months 12 days | 0 | 2 years 8 months 12 days |
| 2. Rahu-Jupiter | 2 years 4 months 24 days | 2 years 8 months 12 days | 5 years 1 month 6 days |
| 3. Rahu-Saturn | 2 years 10 months 6 days | 5 years 1 month 6 days | 7 years 11 months 12 days |
| 4. Rahu-Mercury | 2 years 6 months 18 days | 7 years 11 months 12 days | 10 years 6 months |
| 5. Rahu-Ketu | 1 year 0 months 18 days | 10 years 6 months | 11 years 6 months 18 days |
| 6. Rahu-Venus | 3 years 0 months 0 days | 11 years 6 months 18 days | 14 years 6 months 18 days |
| 7. Rahu-Sun | 0 years 10 months 24 days | 14 years 6 months 18 days | 15 years 5 months 12 days |
| 8. Rahu-Moon | 1 year 6 months 0 days | 15 years 5 months 12 days | 16 years 11 months 12 days |
| 9. Rahu-Mars | 1 year 0 months 18 days | 16 years 11 months 12 days | 18 years |
Years 0 to 6
Rahu, Jupiter and most of Saturn. BPHS 47.42 reads the start of the period as strain on family, food, body and savings 2.
Years 6 to 12
The end of Saturn, all of Mercury and Ketu, the start of Venus. BPHS 47.43 reads the middle as comfort and gains in one's own country 2.
Years 12 to 18
Most of Venus, then Sun, Moon and Mars. The same verse reads the end as hardship and loss of position 2.
The thirds are a general tone, and the sub-period verses can run against it. Rahu-Mars, the last sub-period, also carries the recovery of lost wealth and land in BPHS 55.77 when Mars is well placed 3.
Is Rahu mahadasha good or bad?
Rahu mahadasha is neither good nor bad as a whole in the classical texts; they give it both kinds of results under different conditions. Phaladeepika 19.14 lists trouble from rulers, thieves and failed plans, and the very next verse, 19.15, promises wealth, domestic happiness and fame when Rahu joins a benefic outside the 6th, 8th and 12th 4.
- Is Rahu mahadasha always bad? No. BPHS 47.36 names much happiness and gain of wealth and grain for Rahu in the signs it lists 2.
- Can Rahu mahadasha make you rich? The texts link wealth with Rahu in certain signs and houses; detail on money in Rahu mahadasha.
- Can Rahu mahadasha cause death or divorce? No classical verse says Rahu's period causes these for everyone. Some verses name risks for afflicted sub-period lords and give a remedy line beside them 3.
- Why does Rahu mahadasha feel so painful? Many astrologers link Rahu with restlessness and sudden change. If worry is taking over daily life, call Tele-MANAS, India's free mental health helpline, on 14416 7.
What do people get wrong about this?
Belief: Rahu mahadasha brings 18 years of bad luck.
Brihat Parashara Hora Shastra 47.43 itself calls the middle of the period a time of happiness and gains at home 2. Phaladeepika 19.15 describes the whole period as auspicious when Rahu joins a benefic in a good house 4.
Belief: Everyone gets Rahu mahadasha at the same age.
The start date depends on the Moon's nakshatra at birth 1. In the calculation above, 10.8% are born inside it and 14.6% do not reach it before 80.
Before you pay anyone
How do you know an astrologer is genuine?
- Every Kismo astrologer passes four steps: qualification review, panel interview, live audits of real sessions, 30-day probation.
- Nobody can guarantee an outcome. Treat any promise of a fixed result as a red flag.
- Never pay for an expensive puja or ritual under pressure. Get a second opinion first.
- On Kismo you only pay for the minutes you use; misconduct, pressure or a request for money outside the app is handled by a person.
Which astrologers can I talk to about rahu mahadasha?
How does a consultation on Kismo work?
- Log in on kismo.app or get the app from Google Play.
- Pick an astrologer who speaks your language and works with your question.
- Share your date, time and place of birth.
- Ask by chat or call. The first session carries 5 free minutes, then each minute is billed from your wallet.
Questions worth asking in the session
- On which exact date did my Rahu mahadasha start, and when does it end?
- Which antardasha am I running now, and when does the next one begin?
- Which sign and house is my Rahu in, and which planets join or aspect it?
- Am I in the start, middle or end of the 18 years?
- Which year length does your software use, 360 or 365.25 days?
- What can I do in daily life during this sub-period, without paying for anything?
What should I know before booking a session about rahu mahadasha?
| Question | Answer |
|---|---|
| What does a session cost? | Each astrologer sets one rate for chat and call, from ₹15 a minute. A 10-minute session at ₹15 a minute costs ₹150 (October 2026). |
| Is the first session free? | 5 free minutes on the first session, no card. |
| Chat or call? | Both. You choose when you start the session. |
| Do I need an exact birth time? | It helps. Without one an astrologer can still read your Moon sign and planets by sign, or work out the time with you. |
| Is my chat private? | Your chat is not shown to other clients. How Kismo handles your data is set out in its privacy policy at kismo.app/privacy. |
| What if I am not happy? | There is no refund for a reading you did not like. Misconduct, pressure or a request for money outside Kismo is handled by a person. |
| Where does it work? | Online, from anywhere in India and abroad. People use Kismo from 80+ countries. |
What else do people ask an astrologer about?
How does Kismo compare with other apps?
Questions people ask
How do I check if Rahu mahadasha is running in my kundli?
You check it from a Vimshottari dasha table, which any free kundli tool prints from your birth date, exact time and place. The table lists each mahadasha with start and end dates. Look for the row marked Rahu, then the antardasha rows inside it. Because the dates come from the Moon's exact degree, a birth time off by an hour can shift them by weeks or months.
Which antardasha is the hardest part of Rahu mahadasha?
No single antardasha is the hardest for everyone. Brihat Parashara Hora Shastra chapter 55 gives every sub-period a good version and a hard version, depending on where that planet sits. Many astrologers watch sub-period lords placed 6th, 8th or 12th from Rahu, following Phaladeepika 20.29, and the end of the period described in BPHS 47.43. Your own chart decides which applies.
What happens when Rahu mahadasha ends and Jupiter mahadasha starts?
When Rahu mahadasha ends, Jupiter mahadasha begins and runs for 16 years, starting with the Jupiter-Jupiter sub-period. Brihat Parashara Hora Shastra 47.44 calls Jupiter's period highly auspicious in general, though it too is read by Jupiter's sign and house. Phaladeepika 19.16 warns that gains made with Rahu in Virgo, Pisces or Scorpio may go when Rahu's period ends.
My child was born in Rahu mahadasha. Should I worry?
No, a child born in Rahu mahadasha is common: about 1 child in 9 has the Moon in Ardra, Swati or Shatabhisha, the three Rahu nakshatras. The period simply runs out during childhood, often within a few years. Astrologers read a child's chart gently and as a whole. Any worry about a child's health or behaviour belongs with a paediatrician first.
What should I not do during Rahu mahadasha?
Classical texts give no list of forbidden acts for the whole of Rahu mahadasha. Many astrologers advise against big decisions made in a rush, speculation with borrowed money and paying for rituals under fear. Plain habits help more: check facts before signing, keep savings, sleep regularly and talk to someone you trust when worry builds. For money or legal choices, follow a qualified adviser.
What does an astrologer charge to read my Rahu mahadasha on Kismo?
A Rahu mahadasha reading on Kismo costs the astrologer's own per-minute rate, from ₹15 a minute, with 5 free minutes in your first session and no card needed. You top up a wallet with at least ₹100, and only the minutes you use are charged. The rest stays in the wallet for a later session about the next antardasha.
An astrologer says I need a ₹25,000 Rahu shanti puja for my mahadasha. Is that a red flag?
Yes, a costly puja sold through fear is a red flag. Brihat Parashara Hora Shastra ties its remedy lines to specific afflicted sub-periods, not to the whole 18 years, and many are prayers anyone can say at home. Get a second opinion before paying for any ritual. On Kismo, pressure or a request for money outside the app is handled by a person.
Is there an app where a real astrologer reads my Rahu dasha and sub-period dates?
Yes, you can have your Rahu dasha read on Kismo, where verified Vedic astrologers work out your dasha dates and read the sub-period you are in. Kismo is an app where you talk to verified Vedic astrologers by chat or call, in 16 languages. It works online from anywhere in India and abroad.
Talk to an astrologer about rahu mahadasha
Kismo is an app where you talk to verified Vedic astrologers by chat or call, in 16 languages.
On an iPhone, log in on kismo.app in your browser.
Where do these facts come from?
- Brihat Parashara Hora Shastra, chapter 46 (dasha systems), verses 12-16, Enjoy Learning Sanskrit. Accessed .
- Brihat Parashara Hora Shastra, chapter 47 (effects of the dashas), verses 34-44, Enjoy Learning Sanskrit. Accessed .
- Brihat Parashara Hora Shastra, chapter 55 (antardashas in Rahu's mahadasha), verses 1-83, Enjoy Learning Sanskrit. Accessed .
- Phaladeepika by Mantreswara, chapter 19: dasas and their effects, slokas 14-16 and 21 (tr. V. Subrahmanya Sastri), Wisdom Library. Accessed .
- Phaladeepika by Mantreswara, chapter 21: sub-divisions of dasas, slokas 2, 30-38 and 83-84 (tr. V. Subrahmanya Sastri), Wisdom Library. Accessed .
- astronomia: astronomical algorithms after Jean Meeus, open-source JavaScript library (MIT licence), GitHub (commenthol). Accessed .
- Tele MANAS: Revolutionizing Mental Health Care in India (13 October 2024), Press Information Bureau, Government of India. Accessed .
