{"id":"vidhyamitra:day:2106-04-12:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/2106-04-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2106-04-12","date_display":"April 12, 2106 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":2106,"month":4,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2490361.770833,"kali_year":5207,"ahargana":1901896.2708,"sun":{"sidereal_longitude":356.3518,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":97.3829,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":101.0311,"elapsed_within_tithi_degrees":5.0311},"nakshatra":{"number":8,"name":"Puṣya","pada":2,"moon_longitude":97.3829,"elapsed_within_degrees":4.0496},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":93.7347},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":2106,"month":4,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2490361.770833,"ahargana":1901896.2708,"kali_year":5207,"ayanamsa_lahiri":25.3376,"grahas":{"sun":{"sidereal_longitude":356.453724,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":98.47132399999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false,"latitude":-4.2006},"mars":{"sidereal_longitude":117.270624,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":true},"mercury":{"sidereal_longitude":338.581824,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":355.327524,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":23.53272400000003,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":249.86812399999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":208.383,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":28.383,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","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":2106,"month":4,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2490361.770833,"kali_year":5207,"ahargana":1901896.2708,"sun":{"sidereal_longitude":356.3518,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":97.3829,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":101.0311,"elapsed_within_tithi_degrees":5.0311},"nakshatra":{"number":8,"name":"Puṣya","pada":2,"moon_longitude":97.3829,"elapsed_within_degrees":4.0496},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":93.7347},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.201,"elongation":101.031},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.201,"opposition_distance":78.969}},"eclipse_window_40days":[]},"calendars":{"vikram_samvat":2163,"vikram_samvatsara":"Pramāthi","saka_samvat":2028,"saka_samvatsara":"Akṣaya","bengali_samvat":1513,"malayalam_era":1282,"nanakshahi_year":637,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Śukla Pakṣa","solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Navamī · Vikram 2163 Pramāthi · Śaka 2028 Akṣaya"},"festivals":[{"id":"rama-navami","name":"Rāma Navamī","name_sanskrit":"राम नवमी","tradition":"Vaishnava","associated_deity":"Rāma (18th avatāra of Krishna)","deity_avatara_index":18,"significance":"Bhagavān Rāma's birth at Ayodhyā. Sūryavaṃśa's most exalted moment.","vrata":true,"primary_observance":"Madhyāhna (noon) abhiṣekam in Ayodhyā tradition","detection":{"tithi_number":9,"tithi_paksha":"Śukla","lunar_month":"Caitra"},"precedence":1,"related_chart":"rama","historical_anchor":{"event":"Bhagavān Rāma's birth at Ayodhyā","date_julian":"-1626101-04-03","location":"Ayodhyā"},"sources":["Vālmīki Rāmāyaṇa, Bāla-Kāṇḍa 1.18"]},{"id":"mina-sankranti","name":"Mīna Saṅkrānti","name_sanskrit":"मीन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Pisces; Mīna-māsa begins.","vrata":false,"detection":{"sun_rashi":"Mīna"},"precedence":5}],"todays_walk":{"walk":{"id":"rama-navami-walk","name":"Rāma Navamī Walk","name_sanskrit":"राम नवमी यात्रा","type":"festival","description":"Vālmīki Bāla-Kāṇḍa selections + BG 4.7-8 (avatāra principle).","step_count":9,"url":"/walk/rama-navami-walk"},"reason":"Today is Rāma Navamī — its dedicated walk."},"cosmic_resonances":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Śukla Navamī","url":"/day/-1626101-04-03","relevance":0.5}]},"validity":{"eternal":false,"valid_from":"2106-04-12T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga April 12, 2106 CE · Vidhyamitra","description":"Vedic pañchāṅga for April 12, 2106 CE: Śukla Navamī · Puṣya.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/2106-04-12","hreflang_alternates":{"en":"https://vidhyamitra.com/day/2106-04-12","sa":"https://sa.vidhyamitra.com/day/2106-04-12","hi":"https://hi.vidhyamitra.com/day/2106-04-12","x-default":"https://vidhyamitra.com/day/2106-04-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T23:44:34.594Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-05-14T23:44:34.594Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa"}}}