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Mercury antardasha in Sun mahadasha

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

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

In your chart

Mahadasha
Sun
Antardasha
Mercury
Mahadasha length
6 years
BPHS 46.15
Working
6×17/120 = 102/120 = 0.850000 years
BPHS 51.1
Duration
10 months, 6 days
Position in the mahadasha
7

How long it lasts

The Sun mahadasha lasts 6 years. Antardasha = 6×17/120 = 102/120 = 0.850000 years, i.e. about 10 months, 6 days.

Here 1 year = 365.25 days.

The order of the antardashas

The Sun mahadasha opens with Sun's own antardasha (BPHS ch. 51: the first antardasha belongs to the dasha lord), then the planets follow in Vimshottari order: Sun → Moon → Mars → Rahu → Jupiter → Saturn → Mercury → Ketu → Venus. The Mercury antardasha is the seventh in this sequence and begins 3 years, 9 months, 18 days after the mahadasha starts.

What tradition holds

Tradition links the Sun mahadasha with self-confidence, responsibility and self-respect, and reads the Mercury antardasha as adding a note of learning, communication and practical skill. Thought meets expression here: clear speech and steady learning. The real picture comes from the signs and houses of both planets 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

Surya: the planet of light and self-confidenceBudh: 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