Ketu mahadasha Mercury antardasha: talk to an astrologer about the last year of Ketu-Budh
Mercury antardasha is the ninth and last sub-period of Ketu mahadasha, the year that hands over to Venus's 20-year mahadasha.
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My Ketu mahadasha ends next year with Mercury antardasha, and then Venus mahadasha starts. I run a small business. What should I prepare for?
Ketu-Mercury is just under a year and leads into Venus's long period, so it is a good time to plan. Please share your birth details. I start with Mercury's sign, house and whether it sits with Ketu.
Short answer
Mercury antardasha in Ketu mahadasha (Ketu-Mercury, Ketu-Budh) lasts 11 months 27 days and closes the 7-year Ketu period. Brihat Parashara Hora Shastra reads a strong Mercury as learning, charity, business gains and even a marriage, and a Mercury in the 6th, 8th or 12th under malefic aspect as friction with authority. On Kismo, verified Vedic astrologers read your Mercury by chat or call, online from anywhere.
What are the key facts about ketu mahadasha?
| Answer | |
|---|---|
| Length | 11 months 27 days, about 362 days (7 x 17 / 120 years) 23 |
| Place in the sequence | 9th of 9; from 6 years 0 months 3 days to the end of Ketu mahadasha at 7 years 3 |
| Comes next | Venus mahadasha, 20 years, opening with Venus-Venus 23 |
| Classical text | Brihat Parashara Hora Shastra chapter 59, verses 69 to 79 1 |
| The Mercury-Ketu link | Mercury turns malefic when joined with a malefic (Brihat Parashara Hora Shastra 3.11) 4, yet 59.69 reads Mercury joined with Ketu in a good house well 1 |
| 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 Ketu mahadasha Mercury antardasha?
- Mercury's house. Brihat Parashara Hora Shastra 59.69 starts the good reading with Mercury in a kendra, the 11th or a trine 1.
- Mercury's sign. The same verse names Mercury exalted or in its own sign, Virgo or Gemini 1.
- Mercury joined with Ketu. Verse 59.69 reads status and great happiness for a strong Mercury sitting with Ketu 1.
- Malefic aspects on Mercury. Verse 59.73 reads conflict with authority when Mercury is in the 6th, 8th or 12th and joined or aspected by Saturn, Mars or Rahu 1.
- Ketu's own strength. Verse 59.77 reads trouble at home from the start when Ketu is weak and in the 6th, 8th or 12th 1.
What changes the reading of Ketu-Mercury from one chart to another?
- Mercury in the same sign as Ketu. 9.2% of charts in the calculation have it, the highest share of any planet here, and verse 59.69 reads it well when Mercury is strong.
- Mercury's place from Ketu. 60.0% of charts have Mercury in a kendra, trine or 11th from Ketu, and 21.7% in the 6th, 8th or 12th.
- Your Venus. The next mahadasha belongs to Venus, so astrologers read Venus in the same session to see what the hand-over brings.
- Your work. Students, writers, traders and anyone in sales often ask about this year, since Mercury is the planet of speech in Brihat Parashara Hora Shastra 3.12 4.
How long is Mercury antardasha in Ketu mahadasha?
Mercury antardasha in Ketu mahadasha lasts 7 x 17 / 120 = 0.992 years, written 0 years 11 months 27 days 3. Mercury's mahadasha is 17 years in Vimshottari, and Venus's, which follows Ketu's, is 20 2. It follows Ketu-Saturn antardasha and ends the period that began with Ketu-Ketu antardasha.
| Fact | Value |
|---|---|
| Length in the 360-day convention | 0 years 11 months 27 days 3 |
| Length in calendar days | About 362 days |
| Share of the 7-year Ketu mahadasha | 14.2% |
| Starts and ends | 6 years 0 months 3 days to 7 years 0 months 0 days in |
| First sub-period after it | Venus-Venus, 3 years 4 months |
| Charts with Mercury in the same sign as Ketu (calculated) | 9.2% |
The chart share comes from 20,000 random births in Delhi, 1950 to 2010, calculated from public astronomical data with the open-source astronomia library (Lahiri ayanamsa, whole-sign houses, mean node).
What do the classical texts say about Mercury antardasha in Ketu mahadasha?
Brihat Parashara Hora Shastra gives Ketu-Mercury eleven verses, 59.69 to 59.79. With a strong Mercury, verse 70 lists listening to good teachings, charity, land and money from good gatherings 1. Verse 71 adds merit gained without effort and a marriage in the family 1.
Verse 72 reads time spent in talk with learned people when Mercury joins the 9th or 10th lord 1. Verse 76 adds health, gains and business in food, clothing and animals 1. Verse 79 names recitation of the Vishnu Sahasranama as the traditional practice 1.
Phaladeepika chapter 21, sloka 74, reads Ketu-Mercury as the birth of a fine son, praise from a wealthy patron and money from land, with trouble from a chief rival 5. Both texts give this last sub-period more gain than loss when Mercury is strong.
| Text and verse | Condition | What it reads |
|---|---|---|
| BPHS 59.69-71 1 | Mercury in a kendra, 11th or trine, exalted or own sign, with Ketu | Status, charity, land, a marriage |
| BPHS 59.72 1 | Mercury with the 9th or 10th lord | Prosperity, talks with learned people |
| BPHS 59.73-74 1 | Mercury in the 6th, 8th or 12th aspected by Saturn, Mars or Rahu | Conflict with authority, living in another's house |
| BPHS 59.77-78 1 | Ketu weak in the 6th, 8th or 12th | Trouble at home; a pilgrimage mid-way |
| Phaladeepika 21.74 5 | No condition given | A son's birth, a patron's praise, land income |
What happens when Ketu mahadasha ends and Venus mahadasha begins?
When Ketu mahadasha ends, Venus mahadasha begins on the same day, and its first sub-period is Venus-Venus. Brihat Parashara Hora Shastra 51.2 says each mahadasha opens with its own lord's sub-period 3.
Ketu-Saturn ends
6 years 0 months 3 days into Ketu mahadasha, Ketu-Mercury begins.
Inside Ketu-Mercury
Even for a Mercury in a hard house, verses 59.74-75 read a good start and middle and a harder end.
Last weeks
Many astrologers call the hand-over weeks the Ketu to Venus dasha sandhi; the term is modern practice, not a verse.
Venus-Venus
Venus mahadasha starts with a 3 year 4 month Venus sub-period, read on the Venus mahadasha pages.
The whole Ketu period is read on Ketu mahadasha, and what follows on Venus mahadasha.
What do people get wrong about this?
Belief: Mercury sitting with Ketu always spoils the Ketu-Mercury year.
Brihat Parashara Hora Shastra 59.69 names Mercury joined with Ketu, in a good house and sign, as a source of status and great happiness 1.
Belief: The last sub-period of a mahadasha is always the worst.
Verses 59.70-72 and 59.76 read learning, charity, land, a family marriage and business gains for a strong Mercury in this last year 1.
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Which astrologers can I talk to about ketu mahadasha?
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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
- Is my Mercury in the same sign as Ketu, and is it strong there?
- Do Saturn, Mars or Rahu aspect my Mercury?
- On which date does my Venus mahadasha begin?
- What does my Venus show for the first years of its mahadasha?
What should I know before booking a session about ketu mahadasha?
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|---|---|
| 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. |
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Questions people ask
Is Ketu-Budh antardasha the final part of Ketu mahadasha?
Yes, Ketu-Budh antardasha is the ninth and final sub-period of Ketu mahadasha. It runs 11 months 27 days, about 362 calendar days, from 6 years 0 months 3 days to exactly 7 years. The length is Ketu's 7 years times Mercury's 17, divided by 120.
How do the texts read Ketu mahadasha Budh antardasha?
Brihat Parashara Hora Shastra reads Ketu mahadasha Budh antardasha mostly well when Mercury is strong. Verses 59.69-72 list status, charity, land, a family marriage and talks with learned people. Verse 59.73 reads conflict with authority for a Mercury in the 6th, 8th or 12th aspected by Saturn, Mars or Rahu.
How does Ketu mahadasha Mercury antardasha affect married life?
Ketu mahadasha Mercury antardasha is linked to marriage in the family in verse 59.71, when Mercury is strong. Verses 59.75 and 59.77 read strain for the spouse and children at the end, or from the start if Ketu is weak. Married life is read from the 7th house and Venus as well.
What is the Ketu to Venus dasha sandhi?
The Ketu to Venus dasha sandhi is the hand-over from the last weeks of Ketu-Mercury into Venus-Venus. Many astrologers watch these weeks closely because one 7-year period gives way to a 20-year one. The term is modern practice; Brihat Parashara Hora Shastra only fixes the order of the periods.
Which prayer does the text give for Ketu-Mercury antardasha?
Brihat Parashara Hora Shastra 59.79 names the Vishnu Sahasranama, the thousand names of Vishnu, for Ketu-Mercury. It is free to recite at home. Nobody can promise a remedy works, and no verse asks for an emerald, so get a second opinion before paying for a Budh puja or a stone.
Can a Kismo astrologer read my Ketu-Mercury year and my coming Venus mahadasha together?
Yes, a Kismo astrologer can read Ketu-Mercury and the start of Venus mahadasha in one session. Kismo is an app where you talk to verified Vedic astrologers by chat or call, in 16 languages. Rates start at ₹15 a minute, billed per started minute, and the first session has 5 free minutes.
An astrologer says I must buy an emerald before Ketu mahadasha ends. Is that a red flag?
Yes, being pushed to buy an emerald before a deadline is a red flag. The text's own practice for Ketu-Mercury is a free recitation, verse 59.79. Ask why your Mercury needs strengthening and get a second opinion. On Kismo, after a session you are suggested up to three other astrologers.
Talk to an astrologer about ketu mahadasha
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On an iPhone, log in on kismo.app in your browser.
Where do these facts come from?
- Brihat Parashara Hora Shastra, chapter 59 (Ketu's antardashas), verses 69-79, Enjoy Learning Sanskrit. Accessed .
- Brihat Parashara Hora Shastra, chapter 46, verse 15 (Vimshottari years), Enjoy Learning Sanskrit. Accessed .
- Brihat Parashara Hora Shastra, chapter 51, verses 1-2 (dividing a dasha into antardashas), Enjoy Learning Sanskrit. Accessed .
- Brihat Parashara Hora Shastra, chapter 3, verses 11-12 (benefics, malefics and the planets' roles), Enjoy Learning Sanskrit. Accessed .
- Phaladeepika by Mantreswara, chapter 21 (bhuktis and antaras), sloka 74 (tr. V. Subrahmanya Sastri), Wisdom Library. Accessed .
