The Sun antardasha within the Rahu mahadasha is also written Rahu–Sun.
Source: BPHS (Santhanam) 46.12–14, Vimshottari order from Krittika: Sun, Moon, Mars, Rahu, Jupiter, Saturn, Mercury, Ketu, Venus
In your chart
Mahadasha
Rahu
Antardasha
Sun
Mahadasha length
18 years BPHS 46.15
Working
18×6/120 = 108/120 = 0.900000 years BPHS 51.1
Duration
10 months, 24 days
Position in the mahadasha
7
Starts after the mahadasha begins
14 years, 6 months, 18 days
How long it lasts
The Rahu mahadasha lasts 18 years. Antardasha = 18×6/120 = 108/120 = 0.900000 years, i.e. about 10 months, 24 days.
Here 1 year = 365.25 days.
The order of the antardashas
The Rahu mahadasha opens with Rahu's own antardasha (BPHS ch. 51: the first antardasha belongs to the dasha lord), then the planets follow in Vimshottari order: Rahu → Jupiter → Saturn → Mercury → Ketu → Venus → Sun → Moon → Mars. The Sun antardasha is the seventh in this sequence and begins 14 years, 6 months, 18 days after the mahadasha starts.
What tradition holds
Tradition links the Rahu mahadasha with unfamiliar paths, ambition and change, and reads the Sun antardasha as adding a note of self-confidence, responsibility and self-respect. Identity meets new ambition, and tradition advises staying close to one's values. 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.
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
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