POST/v1/astro/dasha
Vimshottari Dasha
Calculate the complete Vimshottari Dasha timeline for a birth chart. Returns Mahadasha, Antardasha, Pratyantar, Sookshma, and Prana periods up to 5 levels deep, with start and end dates for each. The starting planet is determined by the Moon's nakshatra at birth (Janma Nakshatra). Interpretation text accompanies the currently active Mahadasha and Antardasha.
Request parameters
locationoptional
string | null
City name to resolve to lat/lon/tz automatically. Example: 'Mumbai' or 'New Delhi, India'. If provided, latitude, longitude and timezone are not required.
nameoptional
string
Person name associated with the birth record
daterequired
string
Birth date in YYYY-MM-DD format
timeoptional
string | null
Birth time in HH:MM 24-hour format. If omitted, sunrise chart is used as fallback.
latitudeoptional
number | null
Latitude. Required if location not provided.
longitudeoptional
number | null
Longitude. Required if location not provided.
timezoneoptional
string | null
IANA timezone. Required if location not provided.
ayanamsaoptional
string
Sidereal ayanamsa mode used in calculations
levelsoptional
integer
Depth of dasha hierarchy to compute (1 to 5)
Response fields
success
boolean
True if the request succeeded
message
string
Human-readable status message
data
object
data.periods
array[object]
Calculated Vimshottari dasha hierarchy
data.periods[].planet
string
Dasha lord for this period
data.periods[].start_jd
number
Julian day at period start
data.periods[].end_jd
number
Julian day at period end
data.periods[].start_date
string
ISO-like UTC date string for period start
data.periods[].end_date
string
ISO-like UTC date string for period end
data.periods[].sub
array[DashaPeriod] | null
Nested sub-periods for deeper hierarchy levels
data.periods[].modern_summary
string | null
Optional modern interpretation summary for this period
data.interpretation
object | null
Structured dasha interpretation summary
data.birth_time_provided
boolean
Whether a precise birth time was provided. False when birth time was not supplied or treated as unknown — calculations using this field will have lagna-dependent accuracy limits.
Errors
Missing or invalid API key.
Upstream ephemeris service error.
API key tier does not include this endpoint.
Unexpected server error.
Too many requests in a short window.
Request body exceeds the size limit.
Referenced resource was not found.
Request body failed schema validation.