{"id":"vidhyamitra:day:-0478-05-10:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/-0478-05-10","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"-0478-05-10","date_display":"May 10, 479 BCE","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":-478,"month":5,"day":10,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":1546597.770833,"kali_year":2624,"ahargana":958132.2708,"sun":{"sidereal_longitude":58.463,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":210.5551,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":152.092,"elapsed_within_tithi_degrees":8.092},"nakshatra":{"number":16,"name":"Viśākhā","pada":4,"moon_longitude":210.5551,"elapsed_within_degrees":10.5551},"yoga":{"number":21,"name":"Siddha","sum_longitude":269.0181},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":-478,"month":5,"day":10,"hour":6,"minute":30,"calendar":"julian"},"julian_day":1546597.770833,"ahargana":958132.2708,"kali_year":2624,"ayanamsa_lahiri":-10.7578,"grahas":{"sun":{"sidereal_longitude":58.463,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":210.5551,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false,"latitude":2.7072},"mars":{"sidereal_longitude":214.3008,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":true},"mercury":{"sidereal_longitude":60.2768,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":53.2279,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":45.953,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":356.2252,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":173.5414,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":353.5414,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","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":-478,"month":5,"day":10,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":1546597.770833,"kali_year":2624,"ahargana":958132.2708,"sun":{"sidereal_longitude":58.463,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":210.5551,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":152.092,"elapsed_within_tithi_degrees":8.092},"nakshatra":{"number":16,"name":"Viśākhā","pada":4,"moon_longitude":210.5551,"elapsed_within_degrees":10.5551},"yoga":{"number":21,"name":"Siddha","sum_longitude":269.0181},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.707,"elongation":152.092},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.707,"opposition_distance":27.908}},"eclipse_window_40days":[]},"calendars":{"vikram_samvat":-421,"saka_samvat":-556,"bengali_samvat":-1071,"malayalam_era":-1302,"nanakshahi_year":-1947,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Śukla Pakṣa","solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Śukla Trayodaśī · Vikram -421 undefined · Śaka -556 undefined"},"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},{"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":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","url":"/day/-0562-04-11","relevance":0.5}]},"validity":{"eternal":true},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga May 10, 479 BCE · Vidhyamitra","description":"Vedic pañchāṅga for May 10, 479 BCE: Śukla Trayodaśī · Viśākhā.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/-0478-05-10","hreflang_alternates":{"en":"https://vidhyamitra.com/day/-0478-05-10","sa":"https://sa.vidhyamitra.com/day/-0478-05-10","hi":"https://hi.vidhyamitra.com/day/-0478-05-10","x-default":"https://vidhyamitra.com/day/-0478-05-10"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T23:44:31.837Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-05-14T23:44:31.837Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa"}}}