{"id":"vidhyamitra:day:2215-07-21:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/2215-07-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2215-07-21","date_display":"July 21, 2215 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":2215,"month":7,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2530272.770833,"kali_year":5317,"ahargana":1941807.2708,"sun":{"sidereal_longitude":89.8728,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":15.188,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":285.3151,"elapsed_within_tithi_degrees":9.3151},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1,"moon_longitude":15.188,"elapsed_within_degrees":1.8546},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":105.0608},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":2215,"month":7,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2530272.770833,"ahargana":1941807.2708,"kali_year":5317,"ayanamsa_lahiri":26.864,"grahas":{"sun":{"sidereal_longitude":90.83363099999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"moon":{"sidereal_longitude":16.089831000000004,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false,"latitude":3.8365},"mars":{"sidereal_longitude":144.501031,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":114.52383099999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":76.15963099999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":51.892630999999994,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":140.19463100000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":253.7062,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":73.7062,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","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":2215,"month":7,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2530272.770833,"kali_year":5317,"ahargana":1941807.2708,"sun":{"sidereal_longitude":89.8728,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":15.188,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":285.3151,"elapsed_within_tithi_degrees":9.3151},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1,"moon_longitude":15.188,"elapsed_within_degrees":1.8546},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":105.0608},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.837,"elongation":74.685},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.837,"opposition_distance":105.315}},"eclipse_window_40days":[{"offset_days":-9,"type":"lunar","occurs":true,"moon_latitude":0.755,"opposition_distance":2.496}]},"calendars":{"vikram_samvat":2272,"vikram_samvatsara":"Vibhava","saka_samvat":2137,"saka_samvatsara":"Rākṣasa","bengali_samvat":1622,"malayalam_era":1391,"nanakshahi_year":746,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Kṛṣṇa Pakṣa","solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Kṛṣṇa Navamī · Vikram 2272 Vibhava · Śaka 2137 Rākṣasa"},"festivals":[{"id":"karka-sankranti","name":"Karka Saṅkrānti (Dakṣiṇāyana)","name_sanskrit":"कर्क सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Cancer; Dakṣiṇāyana (south-going) begins. Devatā-rātri begins.","vrata":true,"detection":{"sun_rashi":"Karka"},"precedence":2}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"valid_from":"2215-07-21T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga July 21, 2215 CE · Vidhyamitra","description":"Vedic pañchāṅga for July 21, 2215 CE: Kṛṣṇa Navamī · Bharaṇī.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/2215-07-21","hreflang_alternates":{"en":"https://vidhyamitra.com/day/2215-07-21","sa":"https://sa.vidhyamitra.com/day/2215-07-21","hi":"https://hi.vidhyamitra.com/day/2215-07-21","x-default":"https://vidhyamitra.com/day/2215-07-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-25T12:49:23.997Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-05-25T12:49:23.997Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa"}}}