{"id":"vidhyamitra:day:2152-10-21:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/2152-10-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2152-10-21","date_display":"October 21, 2152 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":2152,"month":10,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2507355.770833,"kali_year":5254,"ahargana":1918890.2708,"sun":{"sidereal_longitude":181.0457,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":89.9237,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":268.878,"elapsed_within_tithi_degrees":4.878},"nakshatra":{"number":7,"name":"Punarvasu","pada":3,"moon_longitude":89.9237,"elapsed_within_degrees":9.9237},"yoga":{"number":21,"name":"Siddha","sum_longitude":270.9693},"karana":{"half_tithi_index":44,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":2152,"month":10,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2507355.770833,"ahargana":1918890.2708,"kali_year":5254,"ayanamsa_lahiri":25.9876,"grahas":{"sun":{"sidereal_longitude":182.14132900000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":87.53172899999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false,"latitude":3.9711},"mars":{"sidereal_longitude":103.932729,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":176.771929,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":315.25312899999994,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":222.918229,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":101.86832900000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":27.9591,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":207.9591,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","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":2152,"month":10,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2507355.770833,"kali_year":5254,"ahargana":1918890.2708,"sun":{"sidereal_longitude":181.0457,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":89.9237,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":268.878,"elapsed_within_tithi_degrees":4.878},"nakshatra":{"number":7,"name":"Punarvasu","pada":3,"moon_longitude":89.9237,"elapsed_within_degrees":9.9237},"yoga":{"number":21,"name":"Siddha","sum_longitude":270.9693},"karana":{"half_tithi_index":44,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.971,"elongation":91.122},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.971,"opposition_distance":88.878}},"eclipse_window_40days":[{"offset_days":7,"type":"solar","occurs":true,"moon_latitude":1.441,"elongation":0.863}]},"calendars":{"vikram_samvat":2209,"vikram_samvatsara":"Krodhana","saka_samvat":2074,"saka_samvatsara":"Paridhāvi","bengali_samvat":1559,"malayalam_era":1328,"nanakshahi_year":683,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Kṛṣṇa Pakṣa","solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Kṛṣṇa Aṣṭamī · Vikram 2209 Krodhana · Śaka 2074 Paridhāvi"},"festivals":[{"id":"tula-sankranti","name":"Tulā Saṅkrānti","name_sanskrit":"तुला सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Libra.","vrata":false,"detection":{"sun_rashi":"Tulā"},"precedence":5}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Kṛṣṇa Aṣṭamī","url":"/day/-3226-07-09","relevance":0.5},{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Punarvasu","url":"/day/-1626101-04-03","relevance":0.5}]},"validity":{"eternal":false,"valid_from":"2152-10-21T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga October 21, 2152 CE · Vidhyamitra","description":"Vedic pañchāṅga for October 21, 2152 CE: Kṛṣṇa Aṣṭamī · Punarvasu.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/2152-10-21","hreflang_alternates":{"en":"https://vidhyamitra.com/day/2152-10-21","sa":"https://sa.vidhyamitra.com/day/2152-10-21","hi":"https://hi.vidhyamitra.com/day/2152-10-21","x-default":"https://vidhyamitra.com/day/2152-10-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-19T07:43:57.097Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-05-19T07:43:57.097Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa"}}}