{"id":"vidhyamitra:day:1649-02-22:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/1649-02-22","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1649-02-22","date_display":"February 22, 1649 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":1649,"month":2,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2323397.770833,"kali_year":4750,"ahargana":1734932.2708,"sun":{"sidereal_longitude":315.8806,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":73.3917,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":117.5111,"elapsed_within_tithi_degrees":9.5111},"nakshatra":{"number":6,"name":"Ārdrā","pada":3,"moon_longitude":73.3917,"elapsed_within_degrees":6.725},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":29.2723},"karana":{"half_tithi_index":19,"name":"Gara"},"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":1649,"month":2,"day":22,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2323397.770833,"ahargana":1734932.2708,"kali_year":4750,"ayanamsa_lahiri":18.9518,"grahas":{"sun":{"sidereal_longitude":314.920877,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":70.98137700000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false,"latitude":1.423},"mars":{"sidereal_longitude":144.60317699999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":true},"mercury":{"sidereal_longitude":316.24147700000003,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":174.13537700000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":357.063777,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":54.57547699999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":54.9392,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":234.9392,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","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":1649,"month":2,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2323397.770833,"kali_year":4750,"ahargana":1734932.2708,"sun":{"sidereal_longitude":315.8806,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":73.3917,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":117.5111,"elapsed_within_tithi_degrees":9.5111},"nakshatra":{"number":6,"name":"Ārdrā","pada":3,"moon_longitude":73.3917,"elapsed_within_degrees":6.725},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":29.2723},"karana":{"half_tithi_index":19,"name":"Gara"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.423,"elongation":117.511},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.423,"opposition_distance":62.489}},"eclipse_window_40days":[]},"calendars":{"vikram_samvat":1706,"vikram_samvatsara":"Śubhakṛt","saka_samvat":1571,"saka_samvatsara":"Virodhi","bengali_samvat":1056,"malayalam_era":825,"nanakshahi_year":180,"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 Daśamī · Vikram 1706 Śubhakṛt · Śaka 1571 Virodhi"},"festivals":[],"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":"1649-02-22T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga February 22, 1649 CE · Vidhyamitra","description":"Vedic pañchāṅga for February 22, 1649 CE: Śukla Daśamī · Ārdrā.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/1649-02-22","hreflang_alternates":{"en":"https://vidhyamitra.com/day/1649-02-22","sa":"https://sa.vidhyamitra.com/day/1649-02-22","hi":"https://hi.vidhyamitra.com/day/1649-02-22","x-default":"https://vidhyamitra.com/day/1649-02-22"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-08T01:10:19.343Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-06-08T01:10:19.343Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa"}}}