{"id":"vidhyamitra:day:1954-05-16:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/1954-05-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1954-05-16","date_display":"May 16, 1954 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":1954,"month":5,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2434878.770833,"kali_year":5056,"ahargana":1846413.2708,"sun":{"sidereal_longitude":31.5113,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":190.1842,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":158.6729,"elapsed_within_tithi_degrees":2.6729},"nakshatra":{"number":15,"name":"Svātī","pada":2,"moon_longitude":190.1842,"elapsed_within_degrees":3.5175},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":221.6955},"karana":{"half_tithi_index":26,"name":"Gara"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":1954,"month":5,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2434878.770833,"ahargana":1846413.2708,"kali_year":5056,"ayanamsa_lahiri":23.2156,"grahas":{"sun":{"sidereal_longitude":31.42818299999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":190.93328300000007,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false,"latitude":-4.4007},"mars":{"sidereal_longitude":255.56648300000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":true},"mercury":{"sidereal_longitude":40.491382999999985,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":65.18128300000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":58.270083,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":191.78938300000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":268.1393,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":88.1393,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"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":1954,"month":5,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2434878.770833,"kali_year":5056,"ahargana":1846413.2708,"sun":{"sidereal_longitude":31.5113,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":190.1842,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":158.6729,"elapsed_within_tithi_degrees":2.6729},"nakshatra":{"number":15,"name":"Svātī","pada":2,"moon_longitude":190.1842,"elapsed_within_degrees":3.5175},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":221.6955},"karana":{"half_tithi_index":26,"name":"Gara"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.401,"elongation":158.673},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.401,"opposition_distance":21.327}},"eclipse_window_40days":[]},"calendars":{"vikram_samvat":2011,"vikram_samvatsara":"Plavaṅga","saka_samvat":1876,"saka_samvatsara":"Jaya","bengali_samvat":1361,"malayalam_era":1130,"nanakshahi_year":485,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Śukla Pakṣa","solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Śukla Caturdaśī · Vikram 2011 Plavaṅga · Śaka 1876 Jaya"},"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":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"valid_from":"1954-05-16T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga May 16, 1954 CE · Vidhyamitra","description":"Vedic pañchāṅga for May 16, 1954 CE: Śukla Caturdaśī · Svātī.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/1954-05-16","hreflang_alternates":{"en":"https://vidhyamitra.com/day/1954-05-16","sa":"https://sa.vidhyamitra.com/day/1954-05-16","hi":"https://hi.vidhyamitra.com/day/1954-05-16","x-default":"https://vidhyamitra.com/day/1954-05-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T08:14:29.947Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-05-14T08:14:29.947Z","pillar_versions":{"BOB-History":"Pūrṇa"}}}