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Ketu antardasha in Mars mahadasha

The Ketu antardasha within the Mars mahadasha is also written Mars–Ketu.

Source: BPHS (Santhanam) 46.12–14, Vimshottari order from Krittika: Sun, Moon, Mars, Rahu, Jupiter, Saturn, Mercury, Ketu, Venus

In your chart

Mahadasha
Mars
Antardasha
Ketu
Mahadasha length
7 years
BPHS 46.15
Working
7×7/120 = 49/120 = 0.408333 years
BPHS 51.1
Duration
4 months, 27 days
Position in the mahadasha
6

How long it lasts

The Mars mahadasha lasts 7 years. Antardasha = 7×7/120 = 49/120 = 0.408333 years, i.e. about 4 months, 27 days.

Here 1 year = 365.25 days.

The order of the antardashas

The Mars mahadasha opens with Mars's own antardasha (BPHS ch. 51: the first antardasha belongs to the dasha lord), then the planets follow in Vimshottari order: Mars → Rahu → Jupiter → Saturn → Mercury → Ketu → Venus → Sun → Moon. The Ketu antardasha is the sixth in this sequence and begins 4 years, 5 months, 27 days after the mahadasha starts.

What tradition holds

Tradition links the Mars mahadasha with courage, effort and initiative, and reads the Ketu antardasha as adding a note of turning inward, simplicity and the spiritual. Energy meets inner search, a blend linked with measured, quiet action. It is a period tradition reads as asking for patience and routine; the real picture comes from where both planets sit in the chart.

In your chart

See when this period falls in your chart, and where both planets sit, in the free kundli.

Read next

Mangal: the planet of courage and energyKetu: the south node of the Moon's pathWhat is the Vimshottari dasha and how is it worked out?

Sources

  • BPHS (Santhanam) 46.12–14 · Vimshottari order from Krittika: Sun, Moon, Mars, Rahu, Jupiter, Saturn, Mercury, Ketu, Venus
  • BPHS (Santhanam) 46.15 · Dasha years 6, 10, 7, 18, 16, 19, 17, 7, 20 (OCR shows "6,lO, 7, 18, 16, 19,l'1,7 and20")
  • BPHS (Santhanam) 46.12–14, translator's note · 120 years in total
  • BPHS (Santhanam) 51.1 · Antardasha = MD years × AD years ÷ total dasha years (120)
  • BPHS (Santhanam) 51.1, notes · Worked example: Venus–Venus = 20×20/120 = 3 years 4 months
  • BPHS (Santhanam) 51.1, notes · Shortcut: MD×AD, drop the last digit as months, the last digit ×3 as days (360-day reckoning); Saturn–Mercury 17×19 = 323
  • BPHS (Santhanam) 51.2 · The first antardasha belongs to the dasha lord; the rest follow the dasha order
  • Praśna Mārga (Raman tr.) stanza 65, notes · An example of the 360-day year in a dasha context (the praśna daśā, not the natal one)

Checked against the classical texts · Last reviewed: 2026-10-14