{"id":"vidhyamitra:city-day:rishikesh:1971-01-22:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1971-01-22","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1971-01-22","date_display":"January 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":1,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2440973.770833,"kali_year":5072,"ahargana":1852508.2708,"sun":{"sidereal_longitude":277.9154,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":216.0038,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":298.0883,"elapsed_within_tithi_degrees":10.0883},"nakshatra":{"number":17,"name":"Anurādhā","pada":1,"moon_longitude":216.0038,"elapsed_within_degrees":2.6704},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":133.9192},"karana":{"half_tithi_index":49,"name":"Viṣṭi"},"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":1,"day":22,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2440973.770833,"ahargana":1852508.2708,"kali_year":5072,"ayanamsa_lahiri":23.4487,"grahas":{"sun":{"sidereal_longitude":277.90360899999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":214.153409,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false,"latitude":-4.4996},"mars":{"sidereal_longitude":216.287009,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":254.31430899999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":218.591409,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":231.374009,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":22.687508999999977,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":305.1969,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":125.1969,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","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":1,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2440973.770833,"kali_year":5072,"ahargana":1852508.2708,"sun":{"sidereal_longitude":277.9154,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":216.0038,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":298.0883,"elapsed_within_tithi_degrees":10.0883},"nakshatra":{"number":17,"name":"Anurādhā","pada":1,"moon_longitude":216.0038,"elapsed_within_degrees":2.6704},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":133.9192},"karana":{"half_tithi_index":49,"name":"Viṣṭi"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.5,"elongation":61.912},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.5,"opposition_distance":118.088}},"eclipse_window_40days":[{"offset_days":19,"type":"lunar","occurs":true,"moon_latitude":0.69,"opposition_distance":1.965}]},"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":"07:13","sunsetLocal":"17:44","solarNoonLocal":"12:28","dayLengthHours":10.529017695325564,"dayLengthDisplay":"10 Hours 31 Mins 44 Secs","nightLengthDisplay":"13 Hours 28 Mins 16 Secs","moonriseLocal":"02:58","moonsetLocal":"13:29","rahuKala":{"name":"Rāhu Kāla","start":"11:09","end":"12:28","startHours":11.158301176556627,"endHours":12.474428388472322,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:06","end":"16:25","startHours":15.106682812303713,"endHours":16.42281002421941,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:32","end":"09:51","startHours":8.526046752725236,"endHours":9.842173964640931,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:40","end":"10:01","startHours":9.666690336385503,"endHours":10.017657592896356,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:39","end":"07:56","startHours":7.648628611448105,"endHours":7.929402416656787,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:07","end":"12:50","startHours":12.12346113196147,"endHours":12.825395644983175,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:48","end":"06:30","startHours":5.806050514766131,"endHours":6.507985027787836,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:20","end":"07:13","startHours":6.3325013995324095,"endHours":7.20991954080954,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:14","end":"14:56","startHours":14.229264671026582,"endHours":14.931199184048287,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:32","end":"17:56","startHours":17.538937236135105,"endHours":17.938937236135104,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:44","end":"18:11","startHours":17.738937236135104,"endHours":18.17764630677367,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:29","end":"19:14","startHours":17.488937236135104,"endHours":19.238937236135104,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:07","end":"00:50","startHours":24.12346113196147,"endHours":24.825395644983175,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:13","end":"08:32","startHours":7.20991954080954,"endHours":8.526046752725236,"quality":"neutral"},{"name":"Labha","start":"08:32","end":"09:51","startHours":8.526046752725236,"endHours":9.842173964640931,"quality":"auspicious"},{"name":"Amṛta","start":"09:51","end":"11:09","startHours":9.842173964640931,"endHours":11.158301176556627,"quality":"auspicious"},{"name":"Kāla","start":"11:09","end":"12:28","startHours":11.158301176556627,"endHours":12.474428388472322,"quality":"inauspicious"},{"name":"Śubha","start":"12:28","end":"13:47","startHours":12.474428388472322,"endHours":13.790555600388018,"quality":"auspicious"},{"name":"Roga","start":"13:47","end":"15:06","startHours":13.790555600388018,"endHours":15.106682812303713,"quality":"inauspicious"},{"name":"Udveg","start":"15:06","end":"16:25","startHours":15.106682812303713,"endHours":16.42281002421941,"quality":"inauspicious"},{"name":"Chala","start":"16:25","end":"17:44","startHours":16.42281002421941,"endHours":17.738937236135104,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:44","end":"19:25","startHours":17.738937236135104,"endHours":19.42281002421941,"quality":"inauspicious"},{"name":"Udveg","start":"19:25","end":"21:06","startHours":19.42281002421941,"endHours":21.106682812303713,"quality":"inauspicious"},{"name":"Chala","start":"21:06","end":"22:47","startHours":21.106682812303713,"endHours":22.790555600388018,"quality":"neutral"},{"name":"Labha","start":"22:47","end":"00:28","startHours":22.790555600388018,"endHours":24.474428388472322,"quality":"auspicious"},{"name":"Amṛta","start":"00:28","end":"02:09","startHours":24.474428388472322,"endHours":26.158301176556627,"quality":"auspicious"},{"name":"Kāla","start":"02:09","end":"03:51","startHours":26.158301176556627,"endHours":27.84217396464093,"quality":"inauspicious"},{"name":"Śubha","start":"03:51","end":"05:32","startHours":27.84217396464093,"endHours":29.526046752725236,"quality":"auspicious"},{"name":"Roga","start":"05:32","end":"07:13","startHours":29.526046752725236,"endHours":31.20991954080954,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:13","end":"08:13","startHours":7.20991954080954,"endHours":8.20991954080954,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:13","end":"09:13","startHours":8.20991954080954,"endHours":9.20991954080954,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:13","end":"10:13","startHours":9.20991954080954,"endHours":10.20991954080954,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:13","end":"11:13","startHours":10.20991954080954,"endHours":11.20991954080954,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:13","end":"12:13","startHours":11.20991954080954,"endHours":12.20991954080954,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:13","end":"13:13","startHours":12.20991954080954,"endHours":13.20991954080954,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:13","end":"14:13","startHours":13.20991954080954,"endHours":14.20991954080954,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:13","end":"15:13","startHours":14.20991954080954,"endHours":15.20991954080954,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:13","end":"16:13","startHours":15.20991954080954,"endHours":16.20991954080954,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:13","end":"17:13","startHours":16.20991954080954,"endHours":17.20991954080954,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:13","end":"18:13","startHours":17.20991954080954,"endHours":18.20991954080954,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:13","end":"19:13","startHours":18.20991954080954,"endHours":19.20991954080954,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:13","end":"20:13","startHours":19.20991954080954,"endHours":20.20991954080954,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:13","end":"21:13","startHours":20.20991954080954,"endHours":21.20991954080954,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:13","end":"22:13","startHours":21.20991954080954,"endHours":22.20991954080954,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:13","end":"23:13","startHours":22.20991954080954,"endHours":23.20991954080954,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:13","end":"00:13","startHours":23.20991954080954,"endHours":24.20991954080954,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:13","end":"01:13","startHours":24.20991954080954,"endHours":25.20991954080954,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:13","end":"02:13","startHours":25.20991954080954,"endHours":26.20991954080954,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:13","end":"03:13","startHours":26.20991954080954,"endHours":27.20991954080954,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:13","end":"04:13","startHours":27.20991954080954,"endHours":28.20991954080954,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:13","end":"05:13","startHours":28.20991954080954,"endHours":29.20991954080954,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:13","end":"06:13","startHours":29.20991954080954,"endHours":30.20991954080954,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:13","end":"07:13","startHours":30.20991954080954,"endHours":31.20991954080954,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"North-East","rahuVasa":"South-East","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-19.85599183338873,"eotMinutes":-11.536103308339323,"ayanamsa":23.4487}},"calendars":{"vikram_samvat":2028,"vikram_samvatsara":"Raktākṣī","saka_samvat":1893,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1378,"malayalam_era":1147,"nanakshahi_year":502,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Daśamī · Vikram 2028 Raktākṣī · Śaka 1893 Virodhakṛt"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2}],"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,"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 January 22, 1971 CE · Ṛṣikeśa · Vidhyamitra","description":"January 22, 1971 CE for Ṛṣikeśa: Kṛṣṇa Daśamī, sūryodaya 07:13, sūryāsta 17:44.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1971-01-22","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1971-01-22","sa":"https://sa.vidhyamitra.com/city/rishikesh/1971-01-22","hi":"https://hi.vidhyamitra.com/city/rishikesh/1971-01-22","x-default":"https://vidhyamitra.com/city/rishikesh/1971-01-22"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-19T18:37:55.876Z","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":"2026-05-19T18:37:55.876Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-19T18:37:55.876Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}