{"id":"vidhyamitra:day:1661-03-09:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/1661-03-09","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1661-03-09","date_display":"March 9, 1661 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":1661,"month":3,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2327795.770833,"kali_year":4762,"ahargana":1739330.2708,"sun":{"sidereal_longitude":330.8081,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":71.7238,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":100.9157,"elapsed_within_tithi_degrees":4.9157},"nakshatra":{"number":6,"name":"Ārdrā","pada":2,"moon_longitude":71.7238,"elapsed_within_degrees":5.0572},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":42.532},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":1661,"month":3,"day":9,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2327795.770833,"ahargana":1739330.2708,"kali_year":4762,"ayanamsa_lahiri":19.1201,"grahas":{"sun":{"sidereal_longitude":329.849241,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":73.83644099999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false,"latitude":-4.223},"mars":{"sidereal_longitude":303.492941,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":326.300241,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":176.42114100000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":304.20864099999994,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":219.45194100000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":181.912,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":1.912,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","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":1661,"month":3,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2327795.770833,"kali_year":4762,"ahargana":1739330.2708,"sun":{"sidereal_longitude":330.8081,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":71.7238,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":100.9157,"elapsed_within_tithi_degrees":4.9157},"nakshatra":{"number":6,"name":"Ārdrā","pada":2,"moon_longitude":71.7238,"elapsed_within_degrees":5.0572},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":42.532},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.223,"elongation":100.916},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.223,"opposition_distance":79.084}},"eclipse_window_40days":[]},"calendars":{"vikram_samvat":1718,"vikram_samvatsara":"Ānanda","saka_samvat":1583,"saka_samvatsara":"Plava","bengali_samvat":1068,"malayalam_era":837,"nanakshahi_year":192,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Phālguna","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Śukla Navamī · Vikram 1718 Ānanda · Śaka 1583 Plava"},"festivals":[],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's 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":"1661-03-09T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga March 9, 1661 CE · Vidhyamitra","description":"Vedic pañchāṅga for March 9, 1661 CE: Śukla Navamī · Ārdrā.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/1661-03-09","hreflang_alternates":{"en":"https://vidhyamitra.com/day/1661-03-09","sa":"https://sa.vidhyamitra.com/day/1661-03-09","hi":"https://hi.vidhyamitra.com/day/1661-03-09","x-default":"https://vidhyamitra.com/day/1661-03-09"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-05T02:54:12.921Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-06-05T02:54:12.921Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa"}}}