{"id":"vidhyamitra:day:1921-11-21:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/1921-11-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1921-11-21","date_display":"November 21, 1921 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":1921,"month":11,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2423014.770833,"kali_year":5023,"ahargana":1834549.2708,"sun":{"sidereal_longitude":215.0469,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":105.1247,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":250.0778,"elapsed_within_tithi_degrees":10.0778},"nakshatra":{"number":8,"name":"Puṣya","pada":4,"moon_longitude":105.1247,"elapsed_within_degrees":11.7914},"yoga":{"number":25,"name":"Brahma","sum_longitude":320.1717},"karana":{"half_tithi_index":41,"name":"Vaṇija"},"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":1921,"month":11,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2423014.770833,"ahargana":1834549.2708,"kali_year":5023,"ayanamsa_lahiri":22.7618,"grahas":{"sun":{"sidereal_longitude":215.42927499999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":106.45027499999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false,"latitude":-4.2702},"mars":{"sidereal_longitude":167.062675,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":197.80657499999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":169.52177499999993,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"venus":{"sidereal_longitude":197.310875,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":162.35907499999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":176.7512,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":356.7512,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"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":1921,"month":11,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2423014.770833,"kali_year":5023,"ahargana":1834549.2708,"sun":{"sidereal_longitude":215.0469,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":105.1247,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":250.0778,"elapsed_within_tithi_degrees":10.0778},"nakshatra":{"number":8,"name":"Puṣya","pada":4,"moon_longitude":105.1247,"elapsed_within_degrees":11.7914},"yoga":{"number":25,"name":"Brahma","sum_longitude":320.1717},"karana":{"half_tithi_index":41,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.27,"elongation":109.922},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.27,"opposition_distance":70.078}},"eclipse_window_40days":[]},"calendars":{"vikram_samvat":1978,"vikram_samvatsara":"Bhāva","saka_samvat":1843,"saka_samvatsara":"Durmati","bengali_samvat":1328,"malayalam_era":1097,"nanakshahi_year":452,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Kṛṣṇa Pakṣa","solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Kṛṣṇa Ṣaṣṭhī · Vikram 1978 Bhāva · Śaka 1843 Durmati"},"festivals":[{"id":"vrischika-sankranti","name":"Vṛścika Saṅkrānti","name_sanskrit":"वृश्चिक सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Scorpio.","vrata":false,"detection":{"sun_rashi":"Vṛścika"},"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":"1921-11-21T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga November 21, 1921 CE · Vidhyamitra","description":"Vedic pañchāṅga for November 21, 1921 CE: Kṛṣṇa Ṣaṣṭhī · Puṣya.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/1921-11-21","hreflang_alternates":{"en":"https://vidhyamitra.com/day/1921-11-21","sa":"https://sa.vidhyamitra.com/day/1921-11-21","hi":"https://hi.vidhyamitra.com/day/1921-11-21","x-default":"https://vidhyamitra.com/day/1921-11-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T06:10:04.918Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-05-14T06:10:04.918Z","pillar_versions":{"BOB-History":"Pūrṇa"}}}