Mercury mahadasha

Mercury mahadasha Ketu antardasha: what Budh-Ketu means for the year after Budh-Budh

Ketu antardasha is the second and one of the shortest sub-periods of Mercury mahadasha, just under a year, and Brihat Parashara Hora Shastra reads it mostly by the company Ketu keeps.

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Updated 2026-11-03

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Budh mahadasha ketu antardasha starts for me in March. I keep reading that Ketu brings losses and detachment. I am about to sign a lease for a shop. Should I wait?

The lease is your decision, but I can show you what your chart says. Please share your birth date, time and place. I will see which planets sit with Ketu, its house from your ascendant, and where it falls counted from Mercury.

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Short answer

Ketu antardasha in Mercury mahadasha (budh mahadasha ketu antardasha, or Mercury-Ketu) lasts 11 months 27 days, from 2 years 4 months 27 days into the period. Brihat Parashara Hora Shastra 58.6-8 links Ketu with benefics, the ascendant lord or a yogakaraka to comfort, modest income and fame through learning, and 58.9-11 links Ketu with malefics in the 8th or 12th from Mercury to accidents and quarrels. Kismo astrologers check this online from anywhere.

Key facts

What are the key facts about mercury mahadasha?

	Answer
Length	17 x 7 / 120 = 0.992 years: 11 months 27 days, about 362 calendar days ⁴⁵
Place in the 17 years	2nd of 9; from 2y 4m 27d to 3y 4m 24d, 5.8% of Mercury mahadasha
Relationship	Ketu has no row in the friendship table of BPHS 3.55, so the text reads it through house and company ⁷
When the text reads it well	Ketu in a kendra or trikona with benefics or the ascendant lord, or with a yogakaraka in a kendra or the 11th from Mercury (BPHS 58.6-7) ¹
When the text cautions	Ketu in the 8th or 12th from Mercury joined with a malefic (BPHS 58.9-11) ²
Session on Kismo	Chat or call from ₹15 a minute; the first session has 5 free minutes; online anywhere in India and abroad

What gets checked

What does an astrologer look at in Budh mahadasha Ketu antardasha?

Ketu's house from the ascendant. Brihat Parashara Hora Shastra 58.6 favours a kendra or a trikona ¹.
Who sits with Ketu. Verse 58.6 names benefics joining or aspecting it and a link with the ascendant lord ¹.
A yogakaraka link. Verse 58.7 adds Ketu joined with a yogakaraka planet and placed in a kendra or the 11th from Mercury ¹.
Ketu counted from Mercury. Verse 58.9 cautions when Ketu is in the 8th or 12th from the dasha lord and a malefic joins it ².
The 2nd and 7th house lords. Verse 58.12 names that case and the gift of a goat as its remedy ².

Your situation

What changes the reading of Mercury-Ketu for you?

Whether a benefic shares Ketu's sign. Jupiter, Venus, Mercury or the Moon sits with Ketu in 27.5% of calculated charts, the company verse 58.6 asks for ¹.
Whether you travel for work. Verse 58.8 ties income to movement, sancharena dhanagamah, so a sales or field job is read differently from a desk job ¹.
Which part of the 357 days. Ketu's own pratyantar opens it at 21 days; Venus's is the longest at 60 days.
What the previous 29 months were like. Mercury-Mercury comes first; see Mercury-Mercury. Many astrologers read a short Ketu stretch against that base.

By the numbers

How is the year of Mercury-Ketu split, and how often is Ketu well placed?

Mercury-Ketu covers 357 days on the 360-day year and is tied with Mercury-Mars as the second shortest sub-period of Mercury mahadasha, after Mercury-Sun ⁴⁵. The shares come from 20,000 random births in Delhi, 1966 to 2004.

Pratyantar in Mercury-Ketu	Days
Ketu	21
Venus	60
Sun	18
Moon	30
Mars	21
Rahu	54
Jupiter	48
Saturn	57
Mercury	51

Calculated fact	Share of charts
Running Mercury-Ketu on 3 November 2026	0.6%
Ketu in a kendra or trikona from the ascendant (BPHS 58.6)	50.4%
Ketu in a kendra, trikona or the 11th from Mercury	56.6%
Ketu sharing a sign with Jupiter, Venus, Mercury or the Moon	27.5%
Ketu sharing a sign with the Sun, Mars or Saturn	21.2%

Method: calculated from public astronomical data with the open-source astronomia library, Lahiri sidereal positions, whole-sign houses, mean node.

What the texts say

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

Brihat Parashara Hora Shastra covers Mercury-Ketu in verses 6 to 12 of chapter 58 ¹². For a Ketu with benefics or the ascendant lord, verses 7 and 8 read bodily comfort, a little wealth, warmth from relatives, cattle, income through travel, fame for learning and meeting people of standing ¹.

The good list is modest: dhanalpatvam, a little wealth, not great riches ¹. Verse 9 adds good food and clothes, pleasant at the start and in the middle. The site's English of verse 7 calls dayesha the lord of gains; the word means the dasha lord, Mercury.

Verses 9 to 11 cover Ketu in the 8th or 12th from Mercury with a malefic: a fall from a vehicle, trouble for a child, fear of thieves and officials, quarrels with low people, sorrow and illness ². The site's English makes the dasha lord the planet in the 8th or 12th; the Sanskrit and Santhanam both put Ketu there ²³.

Text and verse	Condition	Reading
BPHS 58.6-8 ¹	Kendra or trikona, with benefics or the ascendant lord	Comfort, a little wealth, income from travel, fame for learning
BPHS 58.7 ¹	With a yogakaraka, kendra or 11th from Mercury	The same good results
BPHS 58.9-11 ²	8th or 12th from Mercury with a malefic	Vehicle falls, worry for a child, quarrels, illness
BPHS 58.12 ²	2nd and 7th lord case	Sluggishness; gift of a goat
Phaladeepika 21.58 ⁶	Any chart	Sorrow, quarrels, unfriendly company, loss of land and vehicles

Ketu's company

Why does the planet sitting with Ketu matter so much in Budh-Ketu?

The planet sitting with Ketu matters because Ketu owns no friendship of its own in Brihat Parashara Hora Shastra 3.55, which lists only the seven planets ⁷. Chapter 58 therefore names Ketu's company in almost every condition ¹².

Ketu's company in your chart	Verse	How the text reads it
A benefic joins or aspects it	58.6 ¹	Comfort and warmth from relatives
The ascendant lord joins it	58.6 ¹	Same, with stronger support
A yogakaraka joins it, kendra or 11th from Mercury	58.7 ¹	Income through travel, fame for learning
A malefic joins it, 8th or 12th from Mercury	58.9 ²	Accidents, quarrels, fear of officials

Ketu rules no sign in the lordship most astrologers use, so they differ on how the 2nd and 7th lord verse applies to it; ask yours which reading they follow. If fear of Ketu keeps you awake, Tele-MANAS on 14416 is free and open 24 hours ⁸. Mercury-Ketu leads into Mercury-Venus; the whole period is on Mercury mahadasha, and the reverse pair is Ketu mahadasha Mercury antardasha.

Myths and facts

What do people get wrong about this?

Belief: Ketu inside Budh dasha only brings loss and detachment.

Brihat Parashara Hora Shastra 58.7-9 lists comfort, income through travel, fame for learning and good food for a well accompanied Ketu ¹. The losses in 58.9-11 need Ketu in the 8th or 12th from Mercury with a malefic ².

Belief: Budh-Ketu and Ketu-Budh are the same period.

Ketu-Mercury runs inside Ketu's 7-year dasha and lasts 11 months 27 days too, but its verses are in chapter 59 and read Mercury's placement ⁹. Mercury-Ketu reads Ketu's ¹.

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Mariyammal k
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Vedic Astrology, Life Coach · 5 yrs
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Vedic Astrology · 3 yrs
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Vedic Astrology · 2 yrs
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★ 4.5 · 5,989 orders · ₹30/min

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How it works

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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 planets share a sign with my Ketu?
Is Ketu in the 8th or 12th counted from my Mercury?
Is Ketu in a kendra or trikona from my ascendant?
Does my work involve travel that verse 58.8 would apply to?

Before you book

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

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FAQ

Questions people ask

Does Ketu in Budh mahadasha bring losses, or can it help me?

Ketu in Budh mahadasha can go either way, says Brihat Parashara Hora Shastra 58.6-11, depending on Ketu's company. With benefics, the ascendant lord or a yogakaraka it is linked with comfort, a little wealth, income through travel and fame for learning. With a malefic in the 8th or 12th from Mercury it is linked with accidents and quarrels.

What is the time period of Mercury mahadasha Ketu antardasha?

Mercury mahadasha Ketu antardasha lasts 11 months 27 days, about 362 calendar days. It begins 2 years 4 months 27 days into Mercury mahadasha, right after Mercury-Mercury, and ends 3 years 4 months 24 days in, when Mercury-Venus starts.

Is Mercury mahadasha Ketu antardasha bad for marriage?

Mercury-Ketu is not read as bad for marriage by default. Brihat Parashara Hora Shastra 58 says nothing about a wedding in this sub-period and names worry for a child only when Ketu is badly placed. An astrologer reads your 7th house and both charts for marriage timing.

Which upay does Parashara give for Ketu bhukti in Mercury dasha?

The upay Parashara gives for Ketu bhukti in Mercury dasha is the gift of a goat (BPHS 58.12), given for the 2nd and 7th lord case. Simple and free practice comes first. No verse names a cat's eye stone, so never buy one or a costly Ketu puja under pressure.

Can an astrologer on Kismo tell me which part of Budh-Ketu I am in?

Yes, an astrologer on Kismo can work out which pratyantar of Budh-Ketu you are in from your birth date, time and place. Kismo is an app where you talk to verified Vedic astrologers by chat or call, in 16 languages. You pay from ₹15 a minute for the minutes used.

How do I know a Ketu remedy offer is a scam?

A Ketu remedy offer is a red flag when it promises a result, sets a deadline, or costs thousands of rupees. Brihat Parashara Hora Shastra names only a simple gift for this sub-period. On Kismo, asking for money outside the app is misconduct that a person handles.