{"id":"vidhyamitra:day:1997-04-08:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/1997-04-08","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1997-04-08","date_display":"April 8, 1997 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":1997,"month":4,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450546.770833,"kali_year":5098,"ahargana":1862081.2708,"sun":{"sidereal_longitude":354.5928,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":3.481,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":8.8882,"elapsed_within_tithi_degrees":8.8882},"nakshatra":{"number":1,"name":"Aśvinī","pada":2,"moon_longitude":3.481,"elapsed_within_degrees":3.481},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":358.0738},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":1997,"month":4,"day":8,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2450546.770833,"ahargana":1862081.2708,"kali_year":5098,"ayanamsa_lahiri":23.8148,"grahas":{"sun":{"sidereal_longitude":354.43525,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":2.383449999999982,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false,"latitude":-1.9362},"mars":{"sidereal_longitude":145.41575,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":true},"mercury":{"sidereal_longitude":13.403349999999989,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":292.45615,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"venus":{"sidereal_longitude":355.88085,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":347.44885,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":157.9733,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":337.9733,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","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":1997,"month":4,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450546.770833,"kali_year":5098,"ahargana":1862081.2708,"sun":{"sidereal_longitude":354.5928,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":3.481,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":8.8882,"elapsed_within_tithi_degrees":8.8882},"nakshatra":{"number":1,"name":"Aśvinī","pada":2,"moon_longitude":3.481,"elapsed_within_degrees":3.481},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":358.0738},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.936,"elongation":8.888},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.936,"opposition_distance":171.112}},"eclipse_window_40days":[{"offset_days":-15,"type":"lunar","occurs":true,"moon_latitude":-0.031,"opposition_distance":1.434}]},"calendars":{"vikram_samvat":2054,"vikram_samvatsara":"Vikṛti","saka_samvat":1919,"saka_samvatsara":"Īśvara","bengali_samvat":1404,"malayalam_era":1173,"nanakshahi_year":528,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Śukla Pakṣa","solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Pratipada · Vikram 2054 Vikṛti · Śaka 1919 Īśvara"},"festivals":[{"id":"chaitra-navratri-start","name":"Caitra Navrātri Start (Gudhi Padwā)","name_sanskrit":"चैत्र नवरात्रि आरम्भ","tradition":"Shakta","associated_deity":"Devī Durgā (9 forms over 9 nights)","significance":"Spring Navrātri begins; Vasanta-pakṣa Devī worship. Maharashtra: Gudhi Padwā. South: Ugadi. Sindhi: Cheti Chand.","vrata":true,"detection":{"tithi_number":1,"tithi_paksha":"Śukla","lunar_month":"Caitra"},"precedence":1},{"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":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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":false,"valid_from":"1997-04-08T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga April 8, 1997 CE · Vidhyamitra","description":"Vedic pañchāṅga for April 8, 1997 CE: Śukla Pratipada · Aśvinī.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/1997-04-08","hreflang_alternates":{"en":"https://vidhyamitra.com/day/1997-04-08","sa":"https://sa.vidhyamitra.com/day/1997-04-08","hi":"https://hi.vidhyamitra.com/day/1997-04-08","x-default":"https://vidhyamitra.com/day/1997-04-08"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T07:36:32.732Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-05-14T07:36:32.732Z","pillar_versions":{"BOB-History":"Pūrṇa"}}}