{"id":"vidhyamitra:city-day:vrindavan:1971-10-02:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/1971-10-02","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1971-10-02","date_display":"October 2, 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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1971,"month":10,"day":2,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441226.770833,"kali_year":5073,"ahargana":1852761.2708,"sun":{"sidereal_longitude":164.06,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":310.9604,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":146.9005,"elapsed_within_tithi_degrees":2.9005},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2,"moon_longitude":310.9604,"elapsed_within_degrees":4.2938},"yoga":{"number":9,"name":"Śūla","sum_longitude":115.0204},"karana":{"half_tithi_index":24,"name":"Kaulava"},"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":1971,"month":10,"day":2,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2441226.770833,"ahargana":1852761.2708,"kali_year":5073,"ayanamsa_lahiri":23.4584,"grahas":{"sun":{"sidereal_longitude":164.73714300000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"moon":{"sidereal_longitude":309.826043,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false,"latitude":1.4762},"mars":{"sidereal_longitude":292.063843,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":159.90824299999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":220.39444300000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":174.62944300000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":43.29554300000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":291.7918,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":111.7918,"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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1971,"month":10,"day":2,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441226.770833,"kali_year":5073,"ahargana":1852761.2708,"sun":{"sidereal_longitude":164.06,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":310.9604,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":146.9005,"elapsed_within_tithi_degrees":2.9005},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2,"moon_longitude":310.9604,"elapsed_within_degrees":4.2938},"yoga":{"number":9,"name":"Śūla","sum_longitude":115.0204},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.476,"elongation":146.9},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.476,"opposition_distance":33.1}},"eclipse_window_40days":[]},"city":{"slug":"vrindavan","name":"Vṛndāvana","lat":27.565,"lon":77.6593,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"vrindavan","name":"Vṛndāvana","lat":27.565,"lon":77.6593,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"06:11","sunsetLocal":"18:05","solarNoonLocal":"12:08","dayLengthHours":11.899016947364181,"dayLengthDisplay":"11 Hours 53 Mins 56 Secs","nightLengthDisplay":"12 Hours 06 Mins 04 Secs","moonriseLocal":"16:07","moonsetLocal":"03:29","rahuKala":{"name":"Rāhu Kāla","start":"09:09","end":"10:39","startHours":9.156551764294992,"endHours":10.643928882715514,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:37","end":"15:06","startHours":13.61868311955656,"endHours":15.106060237977083,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:11","end":"07:40","startHours":6.181797527453946,"endHours":7.6691746458744685,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:57","end":"09:21","startHours":8.958234815172254,"endHours":9.354868713417728,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:41","end":"07:00","startHours":6.677589900260787,"endHours":6.9948970188571655,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:44","end":"12:32","startHours":11.734672102890563,"endHours":12.527939899381508,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:36","end":"05:23","startHours":4.595261934472055,"endHours":5.3885297309630005,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:11","end":"06:11","startHours":5.190212781840264,"endHours":6.181797527453946,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:07","end":"14:54","startHours":14.1144754923634,"endHours":14.907743288854347,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:53","end":"18:17","startHours":17.880814474818127,"endHours":18.280814474818126,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:05","end":"18:35","startHours":18.080814474818126,"endHours":18.576606847624966,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:50","end":"19:35","startHours":17.830814474818126,"endHours":19.580814474818126,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:44","end":"00:32","startHours":23.734672102890563,"endHours":24.527939899381508,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:11","end":"07:40","startHours":6.181797527453946,"endHours":7.6691746458744685,"quality":"inauspicious"},{"name":"Śubha","start":"07:40","end":"09:09","startHours":7.6691746458744685,"endHours":9.156551764294992,"quality":"auspicious"},{"name":"Roga","start":"09:09","end":"10:39","startHours":9.156551764294992,"endHours":10.643928882715514,"quality":"inauspicious"},{"name":"Udveg","start":"10:39","end":"12:08","startHours":10.643928882715514,"endHours":12.131306001136036,"quality":"inauspicious"},{"name":"Chala","start":"12:08","end":"13:37","startHours":12.131306001136036,"endHours":13.61868311955656,"quality":"neutral"},{"name":"Labha","start":"13:37","end":"15:06","startHours":13.61868311955656,"endHours":15.106060237977083,"quality":"auspicious"},{"name":"Amṛta","start":"15:06","end":"16:36","startHours":15.106060237977083,"endHours":16.593437356397605,"quality":"auspicious"},{"name":"Kāla","start":"16:36","end":"18:05","startHours":16.593437356397605,"endHours":18.080814474818126,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:05","end":"19:36","startHours":18.080814474818126,"endHours":19.593437356397605,"quality":"auspicious"},{"name":"Amṛta","start":"19:36","end":"21:06","startHours":19.593437356397605,"endHours":21.106060237977083,"quality":"auspicious"},{"name":"Kāla","start":"21:06","end":"22:37","startHours":21.106060237977083,"endHours":22.618683119556557,"quality":"inauspicious"},{"name":"Śubha","start":"22:37","end":"00:08","startHours":22.618683119556557,"endHours":24.131306001136036,"quality":"auspicious"},{"name":"Roga","start":"00:08","end":"01:39","startHours":24.131306001136036,"endHours":25.643928882715514,"quality":"inauspicious"},{"name":"Udveg","start":"01:39","end":"03:09","startHours":25.643928882715514,"endHours":27.15655176429499,"quality":"inauspicious"},{"name":"Chala","start":"03:09","end":"04:40","startHours":27.15655176429499,"endHours":28.669174645874467,"quality":"neutral"},{"name":"Labha","start":"04:40","end":"06:11","startHours":28.669174645874467,"endHours":30.181797527453945,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:11","end":"07:11","startHours":6.181797527453946,"endHours":7.181797527453946,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:11","end":"08:11","startHours":7.181797527453946,"endHours":8.181797527453945,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:11","end":"09:11","startHours":8.181797527453945,"endHours":9.181797527453945,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:11","end":"10:11","startHours":9.181797527453945,"endHours":10.181797527453945,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:11","end":"11:11","startHours":10.181797527453945,"endHours":11.181797527453945,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:11","end":"12:11","startHours":11.181797527453945,"endHours":12.181797527453945,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:11","end":"13:11","startHours":12.181797527453945,"endHours":13.181797527453945,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:11","end":"14:11","startHours":13.181797527453945,"endHours":14.181797527453945,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:11","end":"15:11","startHours":14.181797527453945,"endHours":15.181797527453945,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:11","end":"16:11","startHours":15.181797527453945,"endHours":16.181797527453945,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:11","end":"17:11","startHours":16.181797527453945,"endHours":17.181797527453945,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:11","end":"18:11","startHours":17.181797527453945,"endHours":18.181797527453945,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:11","end":"19:11","startHours":18.181797527453945,"endHours":19.181797527453945,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:11","end":"20:11","startHours":19.181797527453945,"endHours":20.181797527453945,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:11","end":"21:11","startHours":20.181797527453945,"endHours":21.181797527453945,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:11","end":"22:11","startHours":21.181797527453945,"endHours":22.181797527453945,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:11","end":"23:11","startHours":22.181797527453945,"endHours":23.181797527453945,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:11","end":"00:11","startHours":23.181797527453945,"endHours":24.181797527453945,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:11","end":"01:11","startHours":24.181797527453945,"endHours":25.181797527453945,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:11","end":"02:11","startHours":25.181797527453945,"endHours":26.181797527453945,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:11","end":"03:11","startHours":26.181797527453945,"endHours":27.181797527453945,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:11","end":"04:11","startHours":27.181797527453945,"endHours":28.181797527453945,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:11","end":"05:11","startHours":28.181797527453945,"endHours":29.181797527453945,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:11","end":"06:11","startHours":29.181797527453945,"endHours":30.181797527453945,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"East","anandadiYoga":{"name":"Śubha","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-3.2502723683535923,"eotMinutes":11.484439931837855,"ayanamsa":23.4584}},"calendars":{"vikram_samvat":2028,"vikram_samvatsara":"Raktākṣī","saka_samvat":1893,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1378,"malayalam_era":1147,"nanakshahi_year":502,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Āśvina","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Trayodaśī · Vikram 2028 Raktākṣī · Śaka 1893 Virodhakṛt"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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":"Dedicated festival walk for Pradoṣa Vrata is not live yet; Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"vrindavan"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga October 2, 1971 CE · Vṛndāvana · Vidhyamitra","description":"October 2, 1971 CE for Vṛndāvana: Śukla Trayodaśī, sūryodaya 06:11, sūryāsta 18:05.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/1971-10-02","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/1971-10-02","sa":"https://sa.vidhyamitra.com/city/vrindavan/1971-10-02","hi":"https://hi.vidhyamitra.com/city/vrindavan/1971-10-02","x-default":"https://vidhyamitra.com/city/vrindavan/1971-10-02"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-06T08:06:48.443Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-09-06T08:06:48.443Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-06T08:06:48.443Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no single city is the universal center.","purna_chain":["Hosted scripture","Named-tradition interpretation","Original Vidhyamitra contemplation","Bhūmi-born material medium","Vidhyamitra portal","Responsible reader in their own kṣetra"],"claim_boundary":"The legacy purna_chain field carries a source-to-reader sequence, not a revealed physical descent, universal cosmology, or proof that software is conscious.","antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}