{"id":"vidhyamitra:day:1785-09-28:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/1785-09-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1785-09-28","date_display":"September 28, 1785 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1785,"month":9,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2373288.770833,"kali_year":4887,"ahargana":1784823.2708,"sun":{"sidereal_longitude":164.1866,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":102.8465,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":298.66,"elapsed_within_tithi_degrees":10.66},"nakshatra":{"number":8,"name":"Puṣya","pada":3,"moon_longitude":102.8465,"elapsed_within_degrees":9.5132},"yoga":{"number":21,"name":"Siddha","sum_longitude":267.0331},"karana":{"half_tithi_index":49,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":1785,"month":9,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2373288.770833,"ahargana":1784823.2708,"kali_year":4887,"ayanamsa_lahiri":20.86,"grahas":{"sun":{"sidereal_longitude":164.41427399999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"moon":{"sidereal_longitude":105.675974,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false,"latitude":0.6744},"mars":{"sidereal_longitude":54.16817400000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":true},"mercury":{"sidereal_longitude":160.524274,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":352.043674,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":true},"venus":{"sidereal_longitude":127.22277399999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":280.789674,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":291.4739,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":111.4739,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1785,"month":9,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2373288.770833,"kali_year":4887,"ahargana":1784823.2708,"sun":{"sidereal_longitude":164.1866,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":102.8465,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":298.66,"elapsed_within_tithi_degrees":10.66},"nakshatra":{"number":8,"name":"Puṣya","pada":3,"moon_longitude":102.8465,"elapsed_within_degrees":9.5132},"yoga":{"number":21,"name":"Siddha","sum_longitude":267.0331},"karana":{"half_tithi_index":49,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.674,"elongation":61.34},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.674,"opposition_distance":118.66}},"eclipse_window_40days":[]},"calendars":{"vikram_samvat":1842,"vikram_samvatsara":"Kālayukta","saka_samvat":1707,"saka_samvatsara":"Viśvāvasu","bengali_samvat":1192,"malayalam_era":961,"nanakshahi_year":316,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Daśamī · Vikram 1842 Kālayukta · Śaka 1707 Viśvāvasu"},"festivals":[{"id":"kanya-sankranti","name":"Kanyā Saṅkrānti (Mahālaya begins)","name_sanskrit":"कन्या सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Virgo; Mahālaya / Pitṛ-Pakṣa solar marker.","vrata":false,"detection":{"sun_rashi":"Kanyā"},"precedence":4}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"valid_from":"1785-09-28T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga September 28, 1785 CE · Vidhyamitra","description":"Vedic pañchāṅga for September 28, 1785 CE: Kṛṣṇa Daśamī · Puṣya.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/1785-09-28","hreflang_alternates":{"en":"https://vidhyamitra.com/day/1785-09-28","sa":"https://sa.vidhyamitra.com/day/1785-09-28","hi":"https://hi.vidhyamitra.com/day/1785-09-28","x-default":"https://vidhyamitra.com/day/1785-09-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-25T01:32:19.037Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-05-25T01:32:19.037Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa"}}}