{"success":true,"project":"Astro Sindhi Observatory","engine":"LunarPositionEngine","version":"1.0.0","status":"production-research-api","timezone_standard":"Asia/Karachi","freshness":{"requested_date":"2026-03-20","calculated_for":"2026-03-20","valid_date":"2026-03-20","generated_at":"2026-10-16T00:00:00+00:00","valid_from":"2026-03-20T00:00:00+00:00","valid_until":"2026-03-21T00:00:00+00:00","expires_at":"2026-03-21T00:00:00+00:00","timezone":"UTC","is_live":false,"is_stale":false,"cache_bucket":"2026-03-20"},"data":{"project":"Astro Sindhi Observatory","engine":"LunarPositionEngine","version":"1.0.0","input":{"datetime":"2026-03-20T10:00:00+00:00","timezone":"UTC","latitude":3.2850924580571434,"longitude":68.3578},"result":{"utc":"2026-03-20T10:00:00Z","asia_karachi":"2026-03-20T15:00:00+05:00","julian_day_utc":2461119.91666667,"jde_tt":2461119.91753707,"delta_t_seconds_estimate":75.202,"mean_lunar_longitude_degrees":21.22601908,"mean_elongation_degrees":23.26754823,"sun_mean_anomaly_degrees":74.57052091,"moon_mean_anomaly_degrees":311.19411774,"moon_argument_latitude_degrees":43.20946277,"ecliptic_longitude_degrees":17.66933548,"ecliptic_latitude_degrees":3.28509246,"distance_km":369192.934,"right_ascension_degrees":15.01947104,"right_ascension_hours":1.00129807,"declination_degrees":9.96791311,"mean_obliquity_degrees":23.43588211,"local_sidereal_time_degrees":36.30983992,"hour_angle_degrees":21.29036888,"lunar_geocentric_altitude_degrees":67.83459067,"lunar_altitude_degrees":67.46112498,"lunar_azimuth_degrees":288.58193738,"horizontal_parallax_degrees":0.98988537,"observer_latitude_degrees":3.28509246,"observer_longitude_degrees":68.3578},"status":{"calculation_status":"production_lunar_position_engine","scientific_validation":"ongoing","historical_status":"historical_validation_ongoing","precision_note":"Lunar position values are generated through the Observatory computation framework. Scientific validation, historical verification and external reference comparison remain ongoing."},"assumptions":{"calendar":"Gregorian date/time input; proleptic Gregorian handling for historical dates in this production research engine.","timezone_default":"UTC","time_scale":"UTC input converted to approximate Terrestrial Time using ΔT estimate.","observer_note":"Geocentric longitude, latitude, right ascension and declination remain the primary scientific validation fields. Local altitude and azimuth are observer display values."}},"meta":{"api_schema":"1.1","api_status":"production-research-api","scientific_validation":"ongoing","request_id":"6e353bc236e9def7","freshness":{"requested_date":"2026-03-20","calculated_for":"2026-03-20","valid_date":"2026-03-20","generated_at":"2026-10-16T00:00:00+00:00","valid_from":"2026-03-20T00:00:00+00:00","valid_until":"2026-03-21T00:00:00+00:00","expires_at":"2026-03-21T00:00:00+00:00","timezone":"UTC","is_live":false,"is_stale":false,"cache_bucket":"2026-03-20"},"attribution":{"source":"Astro Sindhi Observatory","website":"https://astro.sindhilanguage.org","developer_portal":"https://astro.sindhilanguage.org/api/","organization":"SindhiLanguage.org","organization_url":"https://sindhilanguage.org","data_license":"CC BY 4.0","software_license":"All Rights Reserved unless otherwise stated"},"calculation_model":"Meeus-style compact lunar position reference implementation"}}