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In short: The Mercury antardasha within the Moon mahadasha lasts 1 year 5 months (about 1.42 years). The Moon mahadasha emphasises home, emotions and the public. Within it, Mercury's sub-period tends to bring study, communication, trade and travel. Learning and communication; Mercury treats the Moon as an enemy, so worry is the caution.
At a glance
| Mahadasha | Moon (10 years) |
| Antardasha | Mercury (#6 of 9 in this mahadasha) |
| Length | 1 year 5 months (360-day years) |
| Preceded by | Moon–Saturn |
| Followed by | Moon–Ketu |
How the two lords relate
In BPHS's natural relationships, the Moon regards Mercury as friend, and Mercury regards the Moon as enemy. Friendly lords tend to cooperate; enemies pull in different directions.
Classical practice also looks at where the two lords sit relative to each other in the birth chart:
| Position of the antardasha lord from the mahadasha lord | Traditional reading |
|---|---|
| together (same sign) | the two lords act jointly; results depend on their combined dignity |
| 2/12 from each other | classically a less comfortable relationship, often linked with expense or effort |
| 3/11 from each other | a supportive relationship of effort and gains |
| 4/10 from each other | angular to each other: a strong, active combination |
| 5/9 from each other | trinal to each other: the most harmonious relationship |
| 6/8 from each other | the classic difficult relationship (shadashtaka), linked with obstacles or strain |
| opposite each other (1/7) | in mutual aspect: a strong, sometimes polarised combination |
What changes the results
The antardasha delivers what Mercury promises in the chart, coloured by the Moon. Its results depend most on the houses Mercury rules and occupies for the ascendant, its dignity, and its relationship to the Moon. A well-placed antardasha lord in a supportive position from the mahadasha lord tends to give a constructive period; a weak or 6/8-placed one asks for patience. Transits of Jupiter and Saturn during the period, and the pratyantardashas (sub-sub-periods) within it, refine the timing further.
FAQ
How long is the Moon–Mercury period? 1 year 5 months in 360-day dasha years — about 1.42 years.
Is the Moon–Mercury period good or bad? Neither in general. It depends on how the Moon and Mercury are placed in the individual chart, which houses they rule, and how they relate to each other.
Sources
- Brihat Parashara Hora Shastra, ch. 53 (antardashas in the Moon mahadasha; Santhanam numbering)
- Phaladeepika of Mantreswara, ch. 20 (dashas of house lords and their bhuktis)
Written by Sunyra Editorial. Astrology is a tradition of interpretation; read this as guidance, not a forecast. Disclaimer.
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