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Mercury antardasha in Mercury mahadasha

The Mercury antardasha within the Mercury mahadasha is also written Mercury–Mercury.

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

In your chart

Mahadasha
Mercury
Antardasha
Mercury
Mahadasha length
17 years
BPHS 46.15
Working
17×17/120 = 289/120 = 2.408333 years
BPHS 51.1
Duration
2 years, 4 months, 27 days
Position in the mahadasha
1

How long it lasts

The Mercury mahadasha lasts 17 years. Antardasha = 17×17/120 = 289/120 = 2.408333 years, i.e. about 2 years, 4 months, 27 days.

Here 1 year = 365.25 days.

The order of the antardashas

In the Mercury mahadasha the first antardasha is Mercury's own, because BPHS (ch. 51) says the first antardasha of every dasha belongs to the dasha lord. So this pair opens the mahadasha; the others follow in Vimshottari order: Mercury → Ketu → Venus → Sun → Moon → Mars → Rahu → Jupiter → Saturn.

What tradition holds

Tradition links the Mercury mahadasha with learning, communication and practical skill. It is the first antardasha of this mahadasha, so tradition sees Mercury's qualities here in their most direct form. The real picture comes from Mercury's sign and house 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

Budh: the planet of intellect and speechWhat 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