{"id":"vidhyamitra:day:-1626009-01-06:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/-1626009-01-06","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"-1626009-01-06","date_display":"January 6, 1626010 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":-1626009,"month":1,"day":6,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":-592178724.229167,"kali_year":-1622869,"ahargana":-592767189.7292,"sun":{"sidereal_longitude":285.3761,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":4.7281,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":79.352,"elapsed_within_tithi_degrees":7.352},"nakshatra":{"number":1,"name":"Aśvinī","pada":2,"moon_longitude":4.7281,"elapsed_within_degrees":4.7281},"yoga":{"number":22,"name":"Sādhya","sum_longitude":290.1042},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"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":-1626009,"month":1,"day":6,"hour":6,"minute":30,"calendar":"julian"},"julian_day":-592178724.229167,"ahargana":-592767189.7292,"kali_year":-1622869,"ayanamsa_lahiri":-22718.5276,"grahas":{"sun":{"sidereal_longitude":285.3761,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"moon":{"sidereal_longitude":4.7281,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false,"latitude":0.5027},"mars":{"sidereal_longitude":228.0661,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":287.4203,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":220.6679,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":309.3995,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":246.6216,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":358.3074,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":178.3074,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"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":-1626009,"month":1,"day":6,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":-592178724.229167,"kali_year":-1622869,"ahargana":-592767189.7292,"sun":{"sidereal_longitude":285.3761,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":4.7281,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":79.352,"elapsed_within_tithi_degrees":7.352},"nakshatra":{"number":1,"name":"Aśvinī","pada":2,"moon_longitude":4.7281,"elapsed_within_degrees":4.7281},"yoga":{"number":22,"name":"Sādhya","sum_longitude":290.1042},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.503,"elongation":79.352},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.503,"opposition_distance":100.648}},"eclipse_window_40days":[]},"calendars":{"vikram_samvat":-1625952,"saka_samvat":-1626087,"bengali_samvat":-1626602,"malayalam_era":-1626833,"nanakshahi_year":-1627478,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Saptamī · Vikram -1625952 undefined · Śaka -1626087 undefined"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2}],"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":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","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 January 6, 1626010 BCE · Vidhyamitra","description":"Vedic pañchāṅga for January 6, 1626010 BCE: Śukla Saptamī · Aśvinī.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/-1626009-01-06","hreflang_alternates":{"en":"https://vidhyamitra.com/day/-1626009-01-06","sa":"https://sa.vidhyamitra.com/day/-1626009-01-06","hi":"https://hi.vidhyamitra.com/day/-1626009-01-06","x-default":"https://vidhyamitra.com/day/-1626009-01-06"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-16T19:30:00.638Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-05-16T19:30:00.638Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa"}}}