{"id":"vidhyamitra:day:-3138-07-04:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/-3138-07-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"-3138-07-04","date_display":"July 4, 3139 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":-3138,"month":7,"day":4,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":575087.770833,"kali_year":-36,"ahargana":-13377.7292,"sun":{"sidereal_longitude":132.9118,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":123.5803,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":350.6684,"elapsed_within_tithi_degrees":2.6684},"nakshatra":{"number":10,"name":"Maghā","pada":2,"moon_longitude":123.5803,"elapsed_within_degrees":3.5803},"yoga":{"number":20,"name":"Śiva","sum_longitude":256.4921},"karana":{"half_tithi_index":58,"name":"Catuṣpāda"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":-3138,"month":7,"day":4,"hour":6,"minute":30,"calendar":"julian"},"julian_day":575087.770833,"ahargana":-13377.7292,"kali_year":-36,"ayanamsa_lahiri":-47.9145,"grahas":{"sun":{"sidereal_longitude":132.9118,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":123.5803,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false,"latitude":-3.1934},"mars":{"sidereal_longitude":162.9037,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":131.5689,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":330.8302,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":147.2869,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":262.9783,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":168.8165,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":348.8165,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"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":-3138,"month":7,"day":4,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":575087.770833,"kali_year":-36,"ahargana":-13377.7292,"sun":{"sidereal_longitude":132.9118,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":123.5803,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":350.6684,"elapsed_within_tithi_degrees":2.6684},"nakshatra":{"number":10,"name":"Maghā","pada":2,"moon_longitude":123.5803,"elapsed_within_degrees":3.5803},"yoga":{"number":20,"name":"Śiva","sum_longitude":256.4921},"karana":{"half_tithi_index":58,"name":"Catuṣpāda"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.193,"elongation":9.332},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.193,"opposition_distance":170.668}},"eclipse_window_40days":[]},"calendars":{"vikram_samvat":-3081,"saka_samvat":-3216,"bengali_samvat":-3731,"malayalam_era":-3962,"nanakshahi_year":-4607,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Amāvasyā · Vikram -3081 undefined · Śaka -3216 undefined"},"festivals":[{"id":"mahalaya-amavasya","name":"Mahālaya Amāvasyā (Sarvapitṛ Amāvasyā)","name_sanskrit":"महालय अमावस्या","tradition":"Pan-Hindu","associated_deity":"Pitṛ-deva","significance":"Final day of Pitṛ-Pakṣa; tarpaṇa for all ancestors.","vrata":true,"detection":{"tithi_number":30,"tithi_paksha":"Kṛṣṇa","lunar_month":"Bhādrapada"},"precedence":1},{"id":"simha-sankranti","name":"Siṁha Saṅkrānti","name_sanskrit":"सिंह सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Leo.","vrata":false,"detection":{"sun_rashi":"Siṃha"},"precedence":5}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Kṛṣṇa Amāvasyā","url":"/day/-3137-10-20","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 July 4, 3139 BCE · Vidhyamitra","description":"Vedic pañchāṅga for July 4, 3139 BCE: Kṛṣṇa Amāvasyā · Maghā.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/-3138-07-04","hreflang_alternates":{"en":"https://vidhyamitra.com/day/-3138-07-04","sa":"https://sa.vidhyamitra.com/day/-3138-07-04","hi":"https://hi.vidhyamitra.com/day/-3138-07-04","x-default":"https://vidhyamitra.com/day/-3138-07-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T02:43:45.645Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-05-18T02:43:45.645Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa"}}}