Mars mahadasha

Mars mahadasha with Ketu antardasha: talk to an astrologer about mangal-ketu

Ketu antardasha is one of the two shortest stretches of Mars mahadasha, and the text says its gains start small.

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Updated 2026-11-03

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Mangal mahadasha ketu antardasha starts next week. I read that Ketu brings sudden shocks and I cannot sleep. What should I expect?

Let us look calmly at your own chart first. Please share your birth date, time and place. I will check which house Ketu is in, where it sits counted from Mars, and whether a benefic aspects it. The text's results depend on exactly that.

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Short answer

Ketu antardasha in Mars mahadasha (mangal mahadasha ketu antardasha) lasts 4 months 27 days, from 4 years 5 months 27 days into the 7 years. Brihat Parashara Hora Shastra links Ketu in a kendra, trikona, the 3rd or 11th with favour, land and family gains that grow after a slow start, and Ketu badly placed from Mars with quarrels and health strain. On Kismo, astrologers read it online from anywhere.

Key facts

What are the key facts about mars mahadasha?

	Answer
Length	7 x 7 / 120 = 0.408 years: 4 months 27 days, about 149 calendar days ⁶
Place in the 7 years	6th of 9; from 4y 5m 27d to 4y 10m 24d into Mars mahadasha ⁶
Relationship	Not defined: Ketu is outside the friendship list of BPHS 3.55; BPHS 3.30 calls Ketu similar to Rahu ⁷
When the text reads it well	Ketu in a kendra, trikona, the 3rd or 11th, with or aspected by benefics, or linked to a yogakaraka (BPHS 54.48-51) ¹²
When the text cautions	Ketu in the 6th, 8th or 12th from Mars or with malefics, or in the 2nd or 7th (BPHS 54.52-54) ³
Session on Kismo	From ₹15 a minute, 5 free minutes in the first session, online from anywhere in India and abroad

What gets checked

What does an astrologer check in Mars mahadasha Ketu antardasha?

Ketu's house from the ascendant. BPHS 54.48 accepts a trikona, a kendra, the 3rd or the 11th ¹.
Benefics with Ketu. The same verse asks for Ketu joined or aspected by benefics ¹.
A link to a yogakaraka. Verse 54.50 reads a strong Ketu placed with the yoga-giving planet as gains and favour; the archive.org translator explains this as Ketu with the lord of a kendra and a trikona ²⁴.
Ketu counted from Mars. Verse 54.52 cautions on the 6th, 8th or 12th from the dasha lord, or Ketu with malefics ³.
Ketu in the 2nd or 7th house. Verse 54.54 adds illness, disgrace and money loss for that case ³.

Your situation

What changes the reading of Mars-Ketu in your chart?

Ketu's sign. BPHS 47.35 puts Ketu's exaltation in Scorpio, a Mars sign, and its mulatrikona in Sagittarius; 16.9% of calculated charts have Ketu in one of the two ⁵.
Which part of the 147 days you are in. Verse 54.49 says results are small at the start of the period and land and family gains come after ².
Ketu in the 3rd house. Chapter 54 names the 3rd as supportive for Ketu and Mars-Mars, a house many astrologers read as good for malefics ¹.
Rahu's position. Ketu always sits opposite Rahu, so the house Rahu holds is read in the same session.

By the numbers

How long is Ketu antardasha in Mars mahadasha, and how often is Ketu placed well?

Mars-Ketu runs 147 days on the 360-day year, 5.8% of the 7 years and the same length as Mars-Mars ⁶. Its own Ketu pratyantar lasts only 9 days.

Calculated fact (20,000 random births, 1966 to 2004)	Share
Ketu in a kendra, trikona, 3rd or 11th from the ascendant (54.48)	66.6%
Ketu in the 6th, 8th or 12th from Mars (54.52)	22.8%
Ketu in the same sign as Mars	8.6%
Ketu in the 2nd house (54.54)	8.2%
Ketu in the 7th house (54.54)	8.5%
Running Mars-Ketu on 3 November 2026	0.4%

Method: calculated from public astronomical data with the open-source astronomia library, Lahiri sidereal positions for Delhi, whole-sign houses, mean node. Lengths use months of 30 days.

What the texts say

What does Brihat Parashara Hora Shastra say about Ketu antardasha in Mars mahadasha?

Brihat Parashara Hora Shastra gives Mars-Ketu verses 48 to 54 of chapter 54. For a well placed Ketu, verse 49 lists favour from authority, peace, happiness and incoming wealth, with small results at first and then land and a son ². Verses 51 and 52 add fame, prosperity at home, gains through helpers, command and friendship with rulers ²³.

Verse 52 hides a turn. Its second line, dayeshat shashtha riphasthe, starts the caution for Ketu in the 6th, 8th or 12th from Mars; the site's English joins it to the good list with "even when" ³. The archive.org translation places the caution correctly, before the list of quarrels, tooth trouble and fever in verse 53 ⁴.

Verse 54 reads Ketu in the 2nd or 7th as illness, disgrace, worry and money loss ³. Unlike the other eight sub-periods, this section ends without a remedy verse. Phaladeepika 21.26 is all caution and names no condition: sudden trouble from fire or weapons, leaving one's country, and loss of wealth ⁸.

Text and verse	Condition	What the text associates with it
BPHS 54.48-49 ¹²	Ketu in a kendra, trikona, 3rd or 11th with benefics	Favour, peace, wealth; small at first, then land and a son
BPHS 54.50-52a ²³	Ketu strong, linked to a yogakaraka	Fame, helpers, command, friendship with rulers
BPHS 54.52b-53 ³	Ketu 6th, 8th or 12th from Mars, or with malefics	Quarrels, tooth trouble, fever, family strain
BPHS 54.54 ³	Ketu in the 2nd or 7th	Illness, disgrace, worry, money loss
Phaladeepika 21.26 ⁸	Any chart	Sudden trouble, leaving one's country, loss of wealth

Month by month

How do the 147 days of Mars-Ketu divide into pratyantars?

The 147 days of Mars-Ketu divide into nine pratyantars, each 147 times the planet's years divided by 120 ⁶. Many astrologers use them to narrow a reading to a few weeks.

Pratyantar	Days into Mars-Ketu	Length
Ketu	0 to 9	9 days
Venus	9 to 33	24 days
Sun	33 to 40	7 days
Moon	40 to 52	12 days
Mars	52 to 61	9 days
Rahu	61 to 83	22 days
Jupiter	83 to 103	20 days
Saturn	103 to 126	23 days
Mercury	126 to 147	21 days

Verse 54.49's slow start falls in the first weeks, the Ketu and Venus pratyantars ². Mars-Ketu follows Mars-Mercury and is followed by the long Mars-Venus. Ketu's own 7-year period is on Ketu mahadasha, and the overview on Mars mahadasha.

Myths and facts

What do people get wrong about this?

Belief: Mars-Ketu brings a sudden disaster to everyone.

BPHS 54.48-52 lists favour, wealth, land and fame for a well placed Ketu, and 66.6% of calculated charts have Ketu in the houses verse 48 accepts ¹². Phaladeepika's harsh line names no condition, so astrologers weigh it against BPHS.

Belief: Mars-Ketu needs a cat's eye stone or a special Ketu puja.

Chapter 54 gives Mars-Ketu no remedy verse at all, and no verse asks for a stone ³. Get a second opinion before paying for any ritual.

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Astrologers for this

Which astrologers can I talk to about mars mahadasha?

Mariyammal k
Vedic Astrology, Prashna Astrology · 4 yrs
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★ 5.0 · 5,999 orders · ₹25/min
Shri nath guru ji
Vedic Astrology, Prashna Astrology · 8 yrs
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★ 4.9 · 5,992 orders · ₹20/min
Rishabh Pharswan
Vedic Astrology, Life Coach · 5 yrs
English, Hindi
★ 4.5 · 5,991 orders · ₹25/min
Shubham Bhandari
Vedic Astrology · 2 yrs
English, Hindi, Punjabi
★ 4.5 · 5,989 orders · ₹30/min
Chhaya yadav
Vedic Astrology · 3 yrs
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★ 4.5 · 5,989 orders · ₹25/min

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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

Which house is my Ketu in, and does a benefic aspect it?
Where is Ketu counted from my Mars?
Is Ketu in my 2nd or 7th house?
Which pratyantar of Mars-Ketu am I in now?

Before you book

What should I know before booking a session about mars mahadasha?

Question	Answer
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FAQ

Questions people ask

What are mangal mahadasha ketu antardasha results?

Mangal mahadasha ketu antardasha is linked by Brihat Parashara Hora Shastra to favour, peace, wealth, land and family gains when Ketu sits in a kendra, trikona, the 3rd or 11th with benefics. Ketu in the 6th, 8th or 12th from Mars, or in the 2nd or 7th, is read as quarrels and health strain.

Why do results come slowly at the start of Mars-Ketu?

Results come slowly at the start because BPHS 54.49 says so in plain words: small results at the beginning, then gains of land and a son. The archive.org translation reads it as little gain at first and substantial gain later. That makes the 147 days a poor time to judge by the first week.

Is Mars mahadasha Ketu antardasha bad for health?

Not by rule. Verse 54.53 lists tooth trouble, fever and stomach complaints only for Ketu in the 6th, 8th or 12th from Mars or with malefics, 22.8% of calculated charts for the house part. For any symptom, see a doctor or dentist; a sub-period never replaces a check-up.

I am anxious about Ketu antardasha and cannot sleep. What helps?

Anxiety about a Ketu sub-period is common, and the period itself is only 147 days. Keep a regular bedtime, limit reading about it at night, and talk to someone you trust. If sleeplessness or worry lasts weeks, Tele-MANAS on 14416 is a free government helpline, open at any hour ⁹.

What remedy should I do in Mars dasha Ketu bhukti?

BPHS names no remedy for Mars dasha Ketu bhukti; it is the one sub-period of chapter 54 without a remedy verse. Many astrologers suggest free practices such as prayer, quiet time and keeping promises. Never buy a cat's eye under pressure, and get a second opinion before paying for any ritual.

Can a Kismo astrologer tell me which pratyantar I am in?

Yes, a Kismo astrologer works out your pratyantar from your birth date, time and place, and explains the dates. Every astrologer on Kismo passes a qualification review, a panel interview, live audits of real sessions and a 30-day probation. Sessions start at ₹15 a minute.

Is it safe to share my birth details with a Kismo astrologer?

Your birth date, time and place are all an astrologer needs on Kismo, and you never have to pay anyone outside the app. Kismo is an app where you talk to verified Vedic astrologers by chat or call, in 16 languages. A request for money outside Kismo is misconduct, handled by a person.