{"id":"vidhyamitra:day:1773-09-14:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/1773-09-14","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1773-09-14","date_display":"September 14, 1773 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":1773,"month":9,"day":14,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2368891.770833,"kali_year":4875,"ahargana":1780426.2708,"sun":{"sidereal_longitude":150.5854,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":116.8501,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":326.2646,"elapsed_within_tithi_degrees":2.2646},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4,"moon_longitude":116.8501,"elapsed_within_degrees":10.1834},"yoga":{"number":21,"name":"Siddha","sum_longitude":267.4355},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":1773,"month":9,"day":14,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2368891.770833,"ahargana":1780426.2708,"kali_year":4875,"ayanamsa_lahiri":20.6918,"grahas":{"sun":{"sidereal_longitude":150.77047100000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":117.167171,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false,"latitude":-3.3214},"mars":{"sidereal_longitude":189.03407100000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":139.48567100000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":347.891771,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":true},"venus":{"sidereal_longitude":181.113971,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":148.815471,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":164.4482,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":344.4482,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"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":1773,"month":9,"day":14,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2368891.770833,"kali_year":4875,"ahargana":1780426.2708,"sun":{"sidereal_longitude":150.5854,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":116.8501,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":326.2646,"elapsed_within_tithi_degrees":2.2646},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4,"moon_longitude":116.8501,"elapsed_within_degrees":10.1834},"yoga":{"number":21,"name":"Siddha","sum_longitude":267.4355},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.321,"elongation":33.735},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.321,"opposition_distance":146.265}},"eclipse_window_40days":[]},"calendars":{"vikram_samvat":1830,"vikram_samvatsara":"Parābhava","saka_samvat":1695,"saka_samvatsara":"Vijaya","bengali_samvat":1180,"malayalam_era":949,"nanakshahi_year":304,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Trayodaśī · Vikram 1830 Parābhava · Śaka 1695 Vijaya"},"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},{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"valid_from":"1773-09-14T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga September 14, 1773 CE · Vidhyamitra","description":"Vedic pañchāṅga for September 14, 1773 CE: Kṛṣṇa Trayodaśī · Āśleṣā.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/1773-09-14","hreflang_alternates":{"en":"https://vidhyamitra.com/day/1773-09-14","sa":"https://sa.vidhyamitra.com/day/1773-09-14","hi":"https://hi.vidhyamitra.com/day/1773-09-14","x-default":"https://vidhyamitra.com/day/1773-09-14"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-26T05:41:33.579Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-05-26T05:41:33.579Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa"}}}