{"id":"vidhyamitra:city-day:rishikesh:1972-04-08:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1972-04-08","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1972-04-08","date_display":"April 8, 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":4,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441415.770833,"kali_year":5073,"ahargana":1852950.2708,"sun":{"sidereal_longitude":355.0524,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":280.6566,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":285.6042,"elapsed_within_tithi_degrees":9.6042},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1,"moon_longitude":280.6566,"elapsed_within_degrees":0.6566},"yoga":{"number":21,"name":"Siddha","sum_longitude":275.7089},"karana":{"half_tithi_index":47,"name":"Gara"},"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":1972,"month":4,"day":8,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2441415.770833,"ahargana":1852950.2708,"kali_year":5073,"ayanamsa_lahiri":23.4656,"grahas":{"sun":{"sidereal_longitude":354.837921,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":277.32562099999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false,"latitude":-0.088},"mars":{"sidereal_longitude":44.63822099999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":342.374221,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":255.061421,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":41.03732100000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":40.32912099999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":281.7776,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":101.7776,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","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":1972,"month":4,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441415.770833,"kali_year":5073,"ahargana":1852950.2708,"sun":{"sidereal_longitude":355.0524,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":280.6566,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":285.6042,"elapsed_within_tithi_degrees":9.6042},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1,"moon_longitude":280.6566,"elapsed_within_degrees":0.6566},"yoga":{"number":21,"name":"Siddha","sum_longitude":275.7089},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.088,"elongation":74.396},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.088,"opposition_distance":105.604}},"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":"05:58","sunsetLocal":"18:40","solarNoonLocal":"12:19","dayLengthHours":12.687516985868049,"dayLengthDisplay":"12 Hours 41 Mins 15 Secs","nightLengthDisplay":"11 Hours 18 Mins 45 Secs","moonriseLocal":"01:55","moonsetLocal":"12:23","rahuKala":{"name":"Rāhu Kāla","start":"09:09","end":"10:44","startHours":9.146781596477489,"endHours":10.732721219710994,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:54","end":"15:29","startHours":13.904600466178007,"endHours":15.490540089411512,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:58","end":"07:34","startHours":5.974902350010476,"endHours":7.560841973243982,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:56","end":"09:21","startHours":8.935322980046355,"endHours":9.358240212908623,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:30","end":"06:51","startHours":6.503548891088311,"endHours":6.841882677378126,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:44","startHours":11.895743610082231,"endHours":12.741578075806768,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:17","end":"05:08","startHours":4.2832334185614025,"endHours":5.12906788428594,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:55","end":"05:58","startHours":4.917609267854806,"endHours":5.974902350010476,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:26","end":"15:17","startHours":14.433247007255842,"endHours":15.279081472980378,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:28","end":"18:52","startHours":18.462419335878526,"endHours":18.862419335878524,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:40","end":"19:11","startHours":18.662419335878525,"endHours":19.191065876956362,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:25","end":"20:10","startHours":18.412419335878525,"endHours":20.162419335878525,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:44","startHours":23.89574361008223,"endHours":24.741578075806768,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:58","end":"07:34","startHours":5.974902350010476,"endHours":7.560841973243982,"quality":"inauspicious"},{"name":"Śubha","start":"07:34","end":"09:09","startHours":7.560841973243982,"endHours":9.146781596477489,"quality":"auspicious"},{"name":"Roga","start":"09:09","end":"10:44","startHours":9.146781596477489,"endHours":10.732721219710994,"quality":"inauspicious"},{"name":"Udveg","start":"10:44","end":"12:19","startHours":10.732721219710994,"endHours":12.3186608429445,"quality":"inauspicious"},{"name":"Chala","start":"12:19","end":"13:54","startHours":12.3186608429445,"endHours":13.904600466178007,"quality":"neutral"},{"name":"Labha","start":"13:54","end":"15:29","startHours":13.904600466178007,"endHours":15.490540089411512,"quality":"auspicious"},{"name":"Amṛta","start":"15:29","end":"17:05","startHours":15.490540089411512,"endHours":17.076479712645018,"quality":"auspicious"},{"name":"Kāla","start":"17:05","end":"18:40","startHours":17.076479712645018,"endHours":18.662419335878525,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:40","end":"20:05","startHours":18.662419335878525,"endHours":20.076479712645018,"quality":"auspicious"},{"name":"Amṛta","start":"20:05","end":"21:29","startHours":20.076479712645018,"endHours":21.490540089411514,"quality":"auspicious"},{"name":"Kāla","start":"21:29","end":"22:54","startHours":21.490540089411514,"endHours":22.904600466178007,"quality":"inauspicious"},{"name":"Śubha","start":"22:54","end":"00:19","startHours":22.904600466178007,"endHours":24.3186608429445,"quality":"auspicious"},{"name":"Roga","start":"00:19","end":"01:44","startHours":24.3186608429445,"endHours":25.732721219710996,"quality":"inauspicious"},{"name":"Udveg","start":"01:44","end":"03:09","startHours":25.732721219710996,"endHours":27.14678159647749,"quality":"inauspicious"},{"name":"Chala","start":"03:09","end":"04:34","startHours":27.14678159647749,"endHours":28.56084197324398,"quality":"neutral"},{"name":"Labha","start":"04:34","end":"05:58","startHours":28.56084197324398,"endHours":29.974902350010474,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:58","end":"06:58","startHours":5.974902350010476,"endHours":6.974902350010476,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:58","end":"07:58","startHours":6.974902350010476,"endHours":7.974902350010476,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:58","end":"08:58","startHours":7.974902350010476,"endHours":8.974902350010476,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:58","end":"09:58","startHours":8.974902350010476,"endHours":9.974902350010476,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:58","end":"10:58","startHours":9.974902350010476,"endHours":10.974902350010476,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:58","end":"11:58","startHours":10.974902350010476,"endHours":11.974902350010476,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:58","end":"12:58","startHours":11.974902350010476,"endHours":12.974902350010476,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:58","end":"13:58","startHours":12.974902350010476,"endHours":13.974902350010476,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:58","end":"14:58","startHours":13.974902350010476,"endHours":14.974902350010476,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:58","end":"15:58","startHours":14.974902350010476,"endHours":15.974902350010476,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:58","end":"16:58","startHours":15.974902350010476,"endHours":16.974902350010474,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:58","end":"17:58","startHours":16.974902350010474,"endHours":17.974902350010474,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:58","end":"18:58","startHours":17.974902350010474,"endHours":18.974902350010474,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:58","end":"19:58","startHours":18.974902350010474,"endHours":19.974902350010474,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:58","end":"20:58","startHours":19.974902350010474,"endHours":20.974902350010474,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:58","end":"21:58","startHours":20.974902350010474,"endHours":21.974902350010474,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:58","end":"22:58","startHours":21.974902350010474,"endHours":22.974902350010474,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:58","end":"23:58","startHours":22.974902350010474,"endHours":23.974902350010474,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:58","end":"00:58","startHours":23.974902350010474,"endHours":24.974902350010474,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:58","end":"01:58","startHours":24.974902350010474,"endHours":25.974902350010474,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:58","end":"02:58","startHours":25.974902350010474,"endHours":26.974902350010474,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:58","end":"03:58","startHours":26.974902350010474,"endHours":27.974902350010474,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:58","end":"04:58","startHours":27.974902350010474,"endHours":28.974902350010474,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:58","end":"05:58","startHours":28.974902350010474,"endHours":29.974902350010474,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"East","anandadiYoga":{"name":"Kāṇa","quality":"Inauspicious"},"drikRitu":"Vasanta (Spring) (Drik)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":7.175454352907826,"eotMinutes":-2.1900505766699547,"ayanamsa":23.4656}},"calendars":{"vikram_samvat":2029,"vikram_samvatsara":"Krodhana","saka_samvat":1894,"saka_samvatsara":"Paridhāvi","bengali_samvat":1379,"malayalam_era":1148,"nanakshahi_year":503,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Kṛṣṇa Pakṣa","solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Kṛṣṇa Navamī · Vikram 2029 Krodhana · Śaka 1894 Paridhāvi"},"festivals":[{"id":"mina-sankranti","name":"Mīna Saṅkrānti","name_sanskrit":"मीन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Pisces; Mīna-māsa begins.","vrata":false,"detection":{"sun_rashi":"Mīna"},"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":[]},"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 April 8, 1972 CE · Ṛṣikeśa · Vidhyamitra","description":"April 8, 1972 CE for Ṛṣikeśa: Kṛṣṇa Navamī, sūryodaya 05:58, sūryāsta 18:40.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1972-04-08","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1972-04-08","sa":"https://sa.vidhyamitra.com/city/rishikesh/1972-04-08","hi":"https://hi.vidhyamitra.com/city/rishikesh/1972-04-08","x-default":"https://vidhyamitra.com/city/rishikesh/1972-04-08"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-19T08:32:54.866Z","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":"2026-05-19T08:32:54.866Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-19T08:32:54.866Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}