{"id":"vidhyamitra:day:1787-05-19:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/1787-05-19","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1787-05-19","date_display":"May 19, 1787 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":1787,"month":5,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2373886.770833,"kali_year":4889,"ahargana":1785421.2708,"sun":{"sidereal_longitude":37.4531,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":59.5301,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":22.077,"elapsed_within_tithi_degrees":10.077},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":2,"moon_longitude":59.5301,"elapsed_within_degrees":6.1968},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":96.9832},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":1787,"month":5,"day":19,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2373886.770833,"ahargana":1785421.2708,"kali_year":4889,"ayanamsa_lahiri":20.8829,"grahas":{"sun":{"sidereal_longitude":37.015225999999984,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":60.88692600000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false,"latitude":1.5568},"mars":{"sidereal_longitude":352.631426,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":15.048525999999981,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":44.369925999999964,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":1.646125999999981,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":310.37462600000003,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":259.789,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":79.789,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","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":1787,"month":5,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2373886.770833,"kali_year":4889,"ahargana":1785421.2708,"sun":{"sidereal_longitude":37.4531,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":59.5301,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":22.077,"elapsed_within_tithi_degrees":10.077},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":2,"moon_longitude":59.5301,"elapsed_within_degrees":6.1968},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":96.9832},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.557,"elongation":22.077},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.557,"opposition_distance":157.923}},"eclipse_window_40days":[]},"calendars":{"vikram_samvat":1844,"vikram_samvatsara":"Raudra","saka_samvat":1709,"saka_samvatsara":"Plavaṅga","bengali_samvat":1194,"malayalam_era":963,"nanakshahi_year":318,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Śukla Pakṣa","solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Śukla Dvitīyā · Vikram 1844 Raudra · Śaka 1709 Plavaṅga"},"festivals":[{"id":"vrishabha-sankranti","name":"Vṛṣabha Saṅkrānti","name_sanskrit":"वृषभ सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Taurus.","vrata":false,"detection":{"sun_rashi":"Vṛṣabha"},"precedence":5}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"valid_from":"1787-05-19T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga May 19, 1787 CE · Vidhyamitra","description":"Vedic pañchāṅga for May 19, 1787 CE: Śukla Dvitīyā · Mṛgaśīrṣā.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/1787-05-19","hreflang_alternates":{"en":"https://vidhyamitra.com/day/1787-05-19","sa":"https://sa.vidhyamitra.com/day/1787-05-19","hi":"https://hi.vidhyamitra.com/day/1787-05-19","x-default":"https://vidhyamitra.com/day/1787-05-19"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-25T02:20:51.464Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-05-25T02:20:51.464Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa"}}}