{"id":"vidhyamitra:city-day:rishikesh:1972-10-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1972-10-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1972-10-01","date_display":"October 1, 1972 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":1972,"month":10,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441591.770833,"kali_year":5074,"ahargana":1853126.2708,"sun":{"sidereal_longitude":163.8055,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":87.41,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":283.6045,"elapsed_within_tithi_degrees":7.6045},"nakshatra":{"number":7,"name":"Punarvasu","pada":3,"moon_longitude":87.41,"elapsed_within_degrees":7.41},"yoga":{"number":19,"name":"Parigha","sum_longitude":251.2155},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":1972,"month":10,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2441591.770833,"ahargana":1853126.2708,"kali_year":5074,"ayanamsa_lahiri":23.4723,"grahas":{"sun":{"sidereal_longitude":164.48469699999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"moon":{"sidereal_longitude":90.14559700000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false,"latitude":0.3951},"mars":{"sidereal_longitude":156.964697,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":173.32219699999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":247.632697,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"venus":{"sidereal_longitude":122.011097,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":57.42969700000003,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":272.4523,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":92.4523,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","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":1972,"month":10,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441591.770833,"kali_year":5074,"ahargana":1853126.2708,"sun":{"sidereal_longitude":163.8055,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":87.41,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":283.6045,"elapsed_within_tithi_degrees":7.6045},"nakshatra":{"number":7,"name":"Punarvasu","pada":3,"moon_longitude":87.41,"elapsed_within_degrees":7.41},"yoga":{"number":19,"name":"Parigha","sum_longitude":251.2155},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.395,"elongation":76.395},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.395,"opposition_distance":103.605}},"eclipse_window_40days":[]},"city":{"slug":"rishikesh","name":"Ṛṣikeśa","lat":30.0869,"lon":78.2676,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"rishikesh","name":"Ṛṣikeśa","lat":30.0869,"lon":78.2676,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha"},"sunriseLocal":"06:09","sunsetLocal":"18:02","solarNoonLocal":"12:06","dayLengthHours":11.884485141895324,"dayLengthDisplay":"11 Hours 53 Mins 04 Secs","nightLengthDisplay":"12 Hours 06 Mins 56 Secs","moonriseLocal":"00:13","moonsetLocal":"14:04","rahuKala":{"name":"Rāhu Kāla","start":"16:33","end":"18:02","startHours":16.552712525101008,"endHours":18.03827316783792,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:06","end":"13:35","startHours":12.096030596890259,"endHours":13.581591239627176,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:04","end":"16:33","startHours":15.06715188236409,"endHours":16.552712525101008,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:56","end":"09:19","startHours":8.926834559051507,"endHours":9.322984063781352,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:39","end":"06:58","startHours":6.648974906854903,"endHours":6.965894510638778,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:42","end":"12:30","startHours":11.699881092160414,"endHours":12.492180101620104,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:34","end":"05:22","startHours":4.569190007023222,"endHours":5.36148901648291,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:10","end":"06:09","startHours":5.163414264117987,"endHours":6.153788025942598,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:05","end":"14:52","startHours":14.07677812053948,"endHours":14.869077129999168,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:50","end":"18:14","startHours":17.838273167837922,"endHours":18.23827316783792,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:02","end":"18:32","startHours":18.03827316783792,"endHours":18.533460048750225,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:47","end":"19:32","startHours":17.78827316783792,"endHours":19.53827316783792,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:42","end":"00:30","startHours":23.699881092160414,"endHours":24.492180101620104,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:09","end":"07:38","startHours":6.153788025942598,"endHours":7.639348668679514,"quality":"inauspicious"},{"name":"Chala","start":"07:38","end":"09:07","startHours":7.639348668679514,"endHours":9.12490931141643,"quality":"neutral"},{"name":"Labha","start":"09:07","end":"10:37","startHours":9.12490931141643,"endHours":10.610469954153345,"quality":"auspicious"},{"name":"Amṛta","start":"10:37","end":"12:06","startHours":10.610469954153345,"endHours":12.096030596890259,"quality":"auspicious"},{"name":"Kāla","start":"12:06","end":"13:35","startHours":12.096030596890259,"endHours":13.581591239627176,"quality":"inauspicious"},{"name":"Śubha","start":"13:35","end":"15:04","startHours":13.581591239627176,"endHours":15.06715188236409,"quality":"auspicious"},{"name":"Roga","start":"15:04","end":"16:33","startHours":15.06715188236409,"endHours":16.552712525101008,"quality":"inauspicious"},{"name":"Udveg","start":"16:33","end":"18:02","startHours":16.552712525101008,"endHours":18.03827316783792,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:02","end":"19:33","startHours":18.03827316783792,"endHours":19.552712525101008,"quality":"auspicious"},{"name":"Roga","start":"19:33","end":"21:04","startHours":19.552712525101008,"endHours":21.06715188236409,"quality":"inauspicious"},{"name":"Udveg","start":"21:04","end":"22:35","startHours":21.06715188236409,"endHours":22.581591239627176,"quality":"inauspicious"},{"name":"Chala","start":"22:35","end":"00:06","startHours":22.581591239627176,"endHours":24.09603059689026,"quality":"neutral"},{"name":"Labha","start":"00:06","end":"01:37","startHours":24.09603059689026,"endHours":25.610469954153345,"quality":"auspicious"},{"name":"Amṛta","start":"01:37","end":"03:07","startHours":25.610469954153345,"endHours":27.12490931141643,"quality":"auspicious"},{"name":"Kāla","start":"03:07","end":"04:38","startHours":27.12490931141643,"endHours":28.639348668679514,"quality":"inauspicious"},{"name":"Śubha","start":"04:38","end":"06:09","startHours":28.639348668679514,"endHours":30.153788025942596,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:09","end":"07:09","startHours":6.153788025942598,"endHours":7.153788025942598,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:09","end":"08:09","startHours":7.153788025942598,"endHours":8.153788025942598,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:09","end":"09:09","startHours":8.153788025942598,"endHours":9.153788025942598,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:09","end":"10:09","startHours":9.153788025942598,"endHours":10.153788025942598,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:09","end":"11:09","startHours":10.153788025942598,"endHours":11.153788025942598,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:09","end":"12:09","startHours":11.153788025942598,"endHours":12.153788025942598,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:09","end":"13:09","startHours":12.153788025942598,"endHours":13.153788025942598,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:09","end":"14:09","startHours":13.153788025942598,"endHours":14.153788025942598,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:09","end":"15:09","startHours":14.153788025942598,"endHours":15.153788025942598,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:09","end":"16:09","startHours":15.153788025942598,"endHours":16.153788025942596,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:09","end":"17:09","startHours":16.153788025942596,"endHours":17.153788025942596,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:09","end":"18:09","startHours":17.153788025942596,"endHours":18.153788025942596,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:09","end":"19:09","startHours":18.153788025942596,"endHours":19.153788025942596,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:09","end":"20:09","startHours":19.153788025942596,"endHours":20.153788025942596,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:09","end":"21:09","startHours":20.153788025942596,"endHours":21.153788025942596,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:09","end":"22:09","startHours":21.153788025942596,"endHours":22.153788025942596,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:09","end":"23:09","startHours":22.153788025942596,"endHours":23.153788025942596,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:09","end":"00:09","startHours":23.153788025942596,"endHours":24.153788025942596,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:09","end":"01:09","startHours":24.153788025942596,"endHours":25.153788025942596,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:09","end":"02:09","startHours":25.153788025942596,"endHours":26.153788025942596,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:09","end":"03:09","startHours":26.153788025942596,"endHours":27.153788025942596,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:09","end":"04:09","startHours":27.153788025942596,"endHours":28.153788025942596,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:09","end":"05:09","startHours":28.153788025942596,"endHours":29.153788025942596,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:09","end":"06:09","startHours":29.153788025942596,"endHours":30.153788025942596,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Dhvaja","quality":"Auspicious"},"drikRitu":"Śarad (Autumn) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-3.156188945062897,"eotMinutes":11.167764186584405,"ayanamsa":23.4723}},"calendars":{"vikram_samvat":2029,"vikram_samvatsara":"Krodhana","saka_samvat":1894,"saka_samvatsara":"Paridhāvi","bengali_samvat":1379,"malayalam_era":1148,"nanakshahi_year":503,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Navamī · Vikram 2029 Krodhana · Śaka 1894 Paridhāvi"},"festivals":[{"id":"kanya-sankranti","name":"Kanyā Saṅkrānti (Mahālaya begins)","name_sanskrit":"कन्या सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Virgo; Mahālaya / Pitṛ-Pakṣa solar marker.","vrata":false,"detection":{"sun_rashi":"Kanyā"},"precedence":4}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[{"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,"location_specific":"rishikesh"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga October 1, 1972 CE · Ṛṣikeśa · Vidhyamitra","description":"October 1, 1972 CE for Ṛṣikeśa: Kṛṣṇa Navamī, sūryodaya 06:09, sūryāsta 18:02.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1972-10-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1972-10-01","sa":"https://sa.vidhyamitra.com/city/rishikesh/1972-10-01","hi":"https://hi.vidhyamitra.com/city/rishikesh/1972-10-01","x-default":"https://vidhyamitra.com/city/rishikesh/1972-10-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-19T07:59:33.123Z","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":"2026-05-19T07:59:33.123Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-19T07:59:33.123Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}