{"id":"vidhyamitra:city-day:rishikesh:1971-08-08:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1971-08-08","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1971-08-08","date_display":"August 8, 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":8,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441171.770833,"kali_year":5073,"ahargana":1852706.2708,"sun":{"sidereal_longitude":110.897,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":305.7034,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":194.8064,"elapsed_within_tithi_degrees":2.8064},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4,"moon_longitude":305.7034,"elapsed_within_degrees":12.37},"yoga":{"number":5,"name":"Śobhana","sum_longitude":56.6003},"karana":{"half_tithi_index":32,"name":"Taitila"},"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":1971,"month":8,"day":8,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2441171.770833,"ahargana":1852706.2708,"kali_year":5073,"ayanamsa_lahiri":23.4563,"grahas":{"sun":{"sidereal_longitude":111.40324399999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":307.9193439999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false,"latitude":0.8576},"mars":{"sidereal_longitude":294.47954400000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":true},"mercury":{"sidereal_longitude":136.638844,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":214.194844,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":106.38764400000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":41.89874400000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":294.7059,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":114.7059,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":1971,"month":8,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441171.770833,"kali_year":5073,"ahargana":1852706.2708,"sun":{"sidereal_longitude":110.897,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":305.7034,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":194.8064,"elapsed_within_tithi_degrees":2.8064},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4,"moon_longitude":305.7034,"elapsed_within_degrees":12.37},"yoga":{"number":5,"name":"Śobhana","sum_longitude":56.6003},"karana":{"half_tithi_index":32,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.858,"elongation":165.194},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.858,"opposition_distance":14.806}},"eclipse_window_40days":[{"offset_days":-1,"type":"lunar","occurs":true,"moon_latitude":-0.252,"opposition_distance":1.604},{"offset_days":13,"type":"solar","occurs":true,"moon_latitude":-0.93,"elongation":2.643}]},"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":"05:39","sunsetLocal":"19:06","solarNoonLocal":"12:22","dayLengthHours":13.442945379490197,"dayLengthDisplay":"13 Hours 26 Mins 35 Secs","nightLengthDisplay":"10 Hours 33 Mins 25 Secs","moonriseLocal":"19:51","moonsetLocal":"07:05","rahuKala":{"name":"Rāhu Kāla","start":"17:25","end":"19:06","startHours":17.412415804634538,"endHours":19.092783977070813,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:22","end":"14:03","startHours":12.371311287325714,"endHours":14.051679459761989,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:44","end":"17:25","startHours":15.732047632198263,"endHours":17.412415804634538,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:47","end":"09:14","startHours":8.786525852794995,"endHours":9.234624032111334,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:13","end":"06:34","startHours":6.209961321726039,"endHours":6.568439865179111,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:55","end":"12:49","startHours":11.923213108009374,"endHours":12.819409466642053,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:51","end":"04:45","startHours":3.8574458803152547,"endHours":4.7536422389479345,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:32","end":"05:39","startHours":4.529593149289765,"endHours":5.649838597580614,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:37","end":"15:30","startHours":14.611802183907415,"endHours":15.507998542540095,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:54","end":"19:18","startHours":18.892783977070813,"endHours":19.292783977070812,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:06","end":"19:39","startHours":19.092783977070813,"endHours":19.65290670121624,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:51","end":"20:36","startHours":18.842783977070813,"endHours":20.592783977070813,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:55","end":"00:49","startHours":23.923213108009374,"endHours":24.819409466642053,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:39","end":"07:20","startHours":5.649838597580614,"endHours":7.330206770016889,"quality":"inauspicious"},{"name":"Chala","start":"07:20","end":"09:01","startHours":7.330206770016889,"endHours":9.010574942453164,"quality":"neutral"},{"name":"Labha","start":"09:01","end":"10:41","startHours":9.010574942453164,"endHours":10.69094311488944,"quality":"auspicious"},{"name":"Amṛta","start":"10:41","end":"12:22","startHours":10.69094311488944,"endHours":12.371311287325714,"quality":"auspicious"},{"name":"Kāla","start":"12:22","end":"14:03","startHours":12.371311287325714,"endHours":14.051679459761989,"quality":"inauspicious"},{"name":"Śubha","start":"14:03","end":"15:44","startHours":14.051679459761989,"endHours":15.732047632198263,"quality":"auspicious"},{"name":"Roga","start":"15:44","end":"17:25","startHours":15.732047632198263,"endHours":17.412415804634538,"quality":"inauspicious"},{"name":"Udveg","start":"17:25","end":"19:06","startHours":17.412415804634538,"endHours":19.092783977070813,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"19:06","end":"20:25","startHours":19.092783977070813,"endHours":20.412415804634538,"quality":"auspicious"},{"name":"Roga","start":"20:25","end":"21:44","startHours":20.412415804634538,"endHours":21.732047632198263,"quality":"inauspicious"},{"name":"Udveg","start":"21:44","end":"23:03","startHours":21.732047632198263,"endHours":23.05167945976199,"quality":"inauspicious"},{"name":"Chala","start":"23:03","end":"00:22","startHours":23.05167945976199,"endHours":24.371311287325714,"quality":"neutral"},{"name":"Labha","start":"00:22","end":"01:41","startHours":24.371311287325714,"endHours":25.69094311488944,"quality":"auspicious"},{"name":"Amṛta","start":"01:41","end":"03:01","startHours":25.69094311488944,"endHours":27.010574942453164,"quality":"auspicious"},{"name":"Kāla","start":"03:01","end":"04:20","startHours":27.010574942453164,"endHours":28.33020677001689,"quality":"inauspicious"},{"name":"Śubha","start":"04:20","end":"05:39","startHours":28.33020677001689,"endHours":29.649838597580615,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:39","end":"06:39","startHours":5.649838597580614,"endHours":6.649838597580614,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:39","end":"07:39","startHours":6.649838597580614,"endHours":7.649838597580614,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:39","end":"08:39","startHours":7.649838597580614,"endHours":8.649838597580615,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:39","end":"09:39","startHours":8.649838597580615,"endHours":9.649838597580615,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:39","end":"10:39","startHours":9.649838597580615,"endHours":10.649838597580615,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:39","end":"11:39","startHours":10.649838597580615,"endHours":11.649838597580615,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:39","end":"12:39","startHours":11.649838597580615,"endHours":12.649838597580615,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:39","end":"13:39","startHours":12.649838597580615,"endHours":13.649838597580615,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:39","end":"14:39","startHours":13.649838597580615,"endHours":14.649838597580615,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:39","end":"15:39","startHours":14.649838597580615,"endHours":15.649838597580615,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:39","end":"16:39","startHours":15.649838597580615,"endHours":16.649838597580615,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:39","end":"17:39","startHours":16.649838597580615,"endHours":17.649838597580615,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:39","end":"18:39","startHours":17.649838597580615,"endHours":18.649838597580615,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:39","end":"19:39","startHours":18.649838597580615,"endHours":19.649838597580615,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:39","end":"20:39","startHours":19.649838597580615,"endHours":20.649838597580615,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:39","end":"21:39","startHours":20.649838597580615,"endHours":21.649838597580615,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:39","end":"22:39","startHours":21.649838597580615,"endHours":22.649838597580615,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:39","end":"23:39","startHours":22.649838597580615,"endHours":23.649838597580615,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:39","end":"00:39","startHours":23.649838597580615,"endHours":24.649838597580615,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:39","end":"01:39","startHours":24.649838597580615,"endHours":25.649838597580615,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:39","end":"02:39","startHours":25.649838597580615,"endHours":26.649838597580615,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:39","end":"03:39","startHours":26.649838597580615,"endHours":27.649838597580615,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:39","end":"04:39","startHours":27.649838597580615,"endHours":28.649838597580615,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:39","end":"05:39","startHours":28.649838597580615,"endHours":29.649838597580615,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"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":"West (Paścim)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Gada","quality":"Inauspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":16.37530217121043,"eotMinutes":-5.349077239542768,"ayanamsa":23.4563}},"calendars":{"vikram_samvat":2028,"vikram_samvatsara":"Raktākṣī","saka_samvat":1893,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1378,"malayalam_era":1147,"nanakshahi_year":502,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Kṛṣṇa Pakṣa","solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Kṛṣṇa Dvitīyā · Vikram 2028 Raktākṣī · Śaka 1893 Virodhakṛt"},"festivals":[{"id":"karka-sankranti","name":"Karka Saṅkrānti (Dakṣiṇāyana)","name_sanskrit":"कर्क सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Cancer; Dakṣiṇāyana (south-going) begins. Devatā-rātri begins.","vrata":true,"detection":{"sun_rashi":"Karka"},"precedence":2}],"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":[]},"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 August 8, 1971 CE · Ṛṣikeśa · Vidhyamitra","description":"August 8, 1971 CE for Ṛṣikeśa: Kṛṣṇa Dvitīyā, sūryodaya 05:39, sūryāsta 19:06.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1971-08-08","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1971-08-08","sa":"https://sa.vidhyamitra.com/city/rishikesh/1971-08-08","hi":"https://hi.vidhyamitra.com/city/rishikesh/1971-08-08","x-default":"https://vidhyamitra.com/city/rishikesh/1971-08-08"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-19T13:48:24.779Z","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":"2026-05-19T13:48:24.779Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-19T13:48:24.779Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}