{"id":"vidhyamitra:day:-3137-04-26:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/-3137-04-26","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"-3137-04-26","date_display":"April 26, 3138 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":-3137,"month":4,"day":26,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":575383.770833,"kali_year":-35,"ahargana":-13081.7292,"sun":{"sidereal_longitude":67.0236,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":71.0796,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":4.056,"elapsed_within_tithi_degrees":4.056},"nakshatra":{"number":6,"name":"Ārdrā","pada":2,"moon_longitude":71.0796,"elapsed_within_degrees":4.413},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":138.1032},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"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":-3137,"month":4,"day":26,"hour":6,"minute":30,"calendar":"julian"},"julian_day":575383.770833,"ahargana":-13081.7292,"kali_year":-35,"ayanamsa_lahiri":-47.9031,"grahas":{"sun":{"sidereal_longitude":67.0236,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":71.0796,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false,"latitude":-4.4567},"mars":{"sidereal_longitude":21.3127,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":78.6537,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":4.6557,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":22.2899,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":279.408,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":153.133,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":333.133,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva 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":-3137,"month":4,"day":26,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":575383.770833,"kali_year":-35,"ahargana":-13081.7292,"sun":{"sidereal_longitude":67.0236,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":71.0796,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":4.056,"elapsed_within_tithi_degrees":4.056},"nakshatra":{"number":6,"name":"Ārdrā","pada":2,"moon_longitude":71.0796,"elapsed_within_degrees":4.413},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":138.1032},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.457,"elongation":4.056},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.457,"opposition_distance":175.944}},"eclipse_window_40days":[]},"calendars":{"vikram_samvat":-3080,"saka_samvat":-3215,"bengali_samvat":-3730,"malayalam_era":-3961,"nanakshahi_year":-4606,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āṣāḍha","lunar_month_amanta":"Āṣāḍha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Śukla Pratipada · Vikram -3080 undefined · Śaka -3215 undefined"},"festivals":[{"id":"ashadha-gupta-navratri-start","name":"Āṣāḍha Gupta Navrātri Start","name_sanskrit":"आषाढ गुप्त नवरात्रि आरम्भ","tradition":"Shakta","associated_deity":"Devī (10 Mahāvidyās)","significance":"Second Gupta Navrātri.","vrata":true,"detection":{"tithi_number":1,"tithi_paksha":"Śukla","lunar_month":"Āṣāḍha"},"precedence":3}],"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":true},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga April 26, 3138 BCE · Vidhyamitra","description":"Vedic pañchāṅga for April 26, 3138 BCE: Śukla Pratipada · Ārdrā.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/-3137-04-26","hreflang_alternates":{"en":"https://vidhyamitra.com/day/-3137-04-26","sa":"https://sa.vidhyamitra.com/day/-3137-04-26","hi":"https://hi.vidhyamitra.com/day/-3137-04-26","x-default":"https://vidhyamitra.com/day/-3137-04-26"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-04T16:32:28.847Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-06-04T16:32:28.847Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa"}}}