{"id":"vidhyamitra:day:2061-02-21:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/2061-02-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2061-02-21","date_display":"February 21, 2061 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":2061,"month":2,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2473876.770833,"kali_year":5162,"ahargana":1885411.2708,"sun":{"sidereal_longitude":308.2006,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":317.0355,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":8.8349,"elapsed_within_tithi_degrees":8.8349},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4,"moon_longitude":317.0355,"elapsed_within_degrees":10.3688},"yoga":{"number":20,"name":"Śiva","sum_longitude":265.236},"karana":{"half_tithi_index":1,"name":"Bava"},"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":2061,"month":2,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2473876.770833,"ahargana":1885411.2708,"kali_year":5162,"ayanamsa_lahiri":24.7071,"grahas":{"sun":{"sidereal_longitude":308.218173,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":318.578673,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false,"latitude":-3.1693},"mars":{"sidereal_longitude":176.40797299999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":280.939973,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":60.391773,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":302.20647299999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":45.35067300000003,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":1.8376,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":181.8376,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"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":2061,"month":2,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2473876.770833,"kali_year":5162,"ahargana":1885411.2708,"sun":{"sidereal_longitude":308.2006,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":317.0355,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":8.8349,"elapsed_within_tithi_degrees":8.8349},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4,"moon_longitude":317.0355,"elapsed_within_degrees":10.3688},"yoga":{"number":20,"name":"Śiva","sum_longitude":265.236},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.169,"elongation":8.835},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.169,"opposition_distance":171.165}},"eclipse_window_40days":[]},"calendars":{"vikram_samvat":2118,"vikram_samvatsara":"Jaya","saka_samvat":1983,"saka_samvatsara":"Vṛṣa","bengali_samvat":1468,"malayalam_era":1237,"nanakshahi_year":592,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Śukla Pakṣa","solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Śukla Pratipada · Vikram 2118 Jaya · Śaka 1983 Vṛṣa"},"festivals":[{"id":"kumbha-sankranti","name":"Kumbha Saṅkrānti","name_sanskrit":"कुम्भ सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aquarius; Kumbha-māsa begins.","vrata":false,"detection":{"sun_rashi":"Kumbha"},"precedence":5}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"valid_from":"2061-02-21T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga February 21, 2061 CE · Vidhyamitra","description":"Vedic pañchāṅga for February 21, 2061 CE: Śukla Pratipada · Śatabhiṣā.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/2061-02-21","hreflang_alternates":{"en":"https://vidhyamitra.com/day/2061-02-21","sa":"https://sa.vidhyamitra.com/day/2061-02-21","hi":"https://hi.vidhyamitra.com/day/2061-02-21","x-default":"https://vidhyamitra.com/day/2061-02-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T07:18:26.958Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-05-14T07:18:26.958Z","pillar_versions":{"BOB-History":"Pūrṇa"}}}