Conventions

These come straight from GET /v1/meta/conventions, which needs no key.

engine_version

2026.9.28

ayanamsa

lahiri

kp_ayanamsa

kp_new (Lahiri − 5′24″)

house_system

whole_sign

node

true

sunrise

upper limb, refracted

moonrise

the Moon's centre on the true horizon (festival moments; the panchang does not give moonrise)

lunar_month

amanta (new moon to new moon); purnimanta names alongside

ayanamsa_options

lahiri (default), raman, krishnamurti, yukteshwar, fagan_bradley: options.ayanamsa on chart operations; the calendar, panchang and KP are unaffected

not_computed

moonrise in the panchang, yoga/karana end times, Vaishnava paran (Ekadashi), Vaishnava Janmashtami, Ghatak Chakra, Chara-dasha antardashas

Whenever a calculation changes, meta.engine_version changes too.