{"id":"vidhyamitra:day:1818-05-19:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/1818-05-19","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1818-05-19","date_display":"May 19, 1818 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":1818,"month":5,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2385208.770833,"kali_year":4920,"ahargana":1796743.2708,"sun":{"sidereal_longitude":36.4773,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":198.4931,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":162.0158,"elapsed_within_tithi_degrees":6.0158},"nakshatra":{"number":15,"name":"Svātī","pada":4,"moon_longitude":198.4931,"elapsed_within_degrees":11.8264},"yoga":{"number":18,"name":"Varīyān","sum_longitude":234.9703},"karana":{"half_tithi_index":27,"name":"Vaṇija"},"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":1818,"month":5,"day":19,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2385208.770833,"ahargana":1796743.2708,"kali_year":4920,"ayanamsa_lahiri":21.3159,"grahas":{"sun":{"sidereal_longitude":36.10594200000003,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":197.71364199999994,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false,"latitude":0.11},"mars":{"sidereal_longitude":99.85864200000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":44.891542000000015,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":263.37494200000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":55.905542000000025,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":327.252242,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":19.895,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":199.895,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","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":1818,"month":5,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2385208.770833,"kali_year":4920,"ahargana":1796743.2708,"sun":{"sidereal_longitude":36.4773,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":198.4931,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":162.0158,"elapsed_within_tithi_degrees":6.0158},"nakshatra":{"number":15,"name":"Svātī","pada":4,"moon_longitude":198.4931,"elapsed_within_degrees":11.8264},"yoga":{"number":18,"name":"Varīyān","sum_longitude":234.9703},"karana":{"half_tithi_index":27,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.11,"elongation":162.016},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.11,"opposition_distance":17.984}},"eclipse_window_40days":[{"offset_days":-14,"type":"solar","occurs":true,"moon_latitude":0.049,"elongation":1.791}]},"calendars":{"vikram_samvat":1875,"vikram_samvatsara":"Khara","saka_samvat":1740,"saka_samvatsara":"Bahudhānya","bengali_samvat":1225,"malayalam_era":994,"nanakshahi_year":349,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Śukla Pakṣa","solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Śukla Caturdaśī · Vikram 1875 Khara · Śaka 1740 Bahudhānya"},"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":"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":"1818-05-19T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga May 19, 1818 CE · Vidhyamitra","description":"Vedic pañchāṅga for May 19, 1818 CE: Śukla Caturdaśī · Svātī.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/1818-05-19","hreflang_alternates":{"en":"https://vidhyamitra.com/day/1818-05-19","sa":"https://sa.vidhyamitra.com/day/1818-05-19","hi":"https://hi.vidhyamitra.com/day/1818-05-19","x-default":"https://vidhyamitra.com/day/1818-05-19"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-21T11:36:37.481Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-05-21T11:36:37.481Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa"}}}