{"id":"vidhyamitra:day:1971-10-22:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/1971-10-22","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1971-10-22","date_display":"October 22, 1971 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":1971,"month":10,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441246.770833,"kali_year":5073,"ahargana":1852781.2708,"sun":{"sidereal_longitude":183.8709,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":216.2502,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":32.3793,"elapsed_within_tithi_degrees":8.3793},"nakshatra":{"number":17,"name":"Anurādhā","pada":1,"moon_longitude":216.2502,"elapsed_within_degrees":2.9169},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":40.1211},"karana":{"half_tithi_index":5,"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":1971,"month":10,"day":22,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2441246.770833,"ahargana":1852781.2708,"kali_year":5073,"ayanamsa_lahiri":23.4591,"grahas":{"sun":{"sidereal_longitude":184.52177800000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":214.32777799999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false,"latitude":-4.3356},"mars":{"sidereal_longitude":299.39037800000006,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":193.73197800000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":224.088478,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":199.54807800000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":42.49607800000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":290.7321,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":110.7321,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2},"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":1971,"month":10,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441246.770833,"kali_year":5073,"ahargana":1852781.2708,"sun":{"sidereal_longitude":183.8709,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":216.2502,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":32.3793,"elapsed_within_tithi_degrees":8.3793},"nakshatra":{"number":17,"name":"Anurādhā","pada":1,"moon_longitude":216.2502,"elapsed_within_degrees":2.9169},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":40.1211},"karana":{"half_tithi_index":5,"name":"Gara"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.336,"elongation":32.379},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.336,"opposition_distance":147.621}},"eclipse_window_40days":[]},"calendars":{"vikram_samvat":2028,"vikram_samvatsara":"Raktākṣī","saka_samvat":1893,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1378,"malayalam_era":1147,"nanakshahi_year":502,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Śukla Pakṣa","solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Śukla Tṛtīyā · Vikram 2028 Raktākṣī · Śaka 1893 Virodhakṛt"},"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":"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":"1971-10-22T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga October 22, 1971 CE · Vidhyamitra","description":"Vedic pañchāṅga for October 22, 1971 CE: Śukla Tṛtīyā · Anurādhā.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/1971-10-22","hreflang_alternates":{"en":"https://vidhyamitra.com/day/1971-10-22","sa":"https://sa.vidhyamitra.com/day/1971-10-22","hi":"https://hi.vidhyamitra.com/day/1971-10-22","x-default":"https://vidhyamitra.com/day/1971-10-22"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T06:01:57.222Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-05-14T06:01:57.222Z","pillar_versions":{"BOB-History":"Pūrṇa"}}}