{"id":"vidhyamitra:city-day:rishikesh:1990-01-19:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1990-01-19","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1990-01-19","date_display":"January 19, 1990 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":1990,"month":1,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2447910.770833,"kali_year":5091,"ahargana":1859445.2708,"sun":{"sidereal_longitude":274.9244,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":186.5454,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":271.6211,"elapsed_within_tithi_degrees":7.6211},"nakshatra":{"number":14,"name":"Citrā","pada":4,"moon_longitude":186.5454,"elapsed_within_degrees":13.2121},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":101.4698},"karana":{"half_tithi_index":45,"name":"Kaulava"},"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":1990,"month":1,"day":19,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2447910.770833,"ahargana":1859445.2708,"kali_year":5091,"ayanamsa_lahiri":23.714,"grahas":{"sun":{"sidereal_longitude":274.98006499999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":186.64766499999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false,"latitude":-4.1978},"mars":{"sidereal_longitude":238.85976499999992,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":256.098565,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":69.41296499999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":274.84106500000007,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":true},"saturn":{"sidereal_longitude":263.7855649999999,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":297.6413,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":117.6413,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":1990,"month":1,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2447910.770833,"kali_year":5091,"ahargana":1859445.2708,"sun":{"sidereal_longitude":274.9244,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":186.5454,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":271.6211,"elapsed_within_tithi_degrees":7.6211},"nakshatra":{"number":14,"name":"Citrā","pada":4,"moon_longitude":186.5454,"elapsed_within_degrees":13.2121},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":101.4698},"karana":{"half_tithi_index":45,"name":"Kaulava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.198,"elongation":88.379},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.198,"opposition_distance":91.621}},"eclipse_window_40days":[{"offset_days":8,"type":"solar","occurs":true,"moon_latitude":-0.956,"elongation":1.82}]},"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":"17:42","solarNoonLocal":"12:28","dayLengthHours":10.479182641335449,"dayLengthDisplay":"10 Hours 28 Mins 45 Secs","nightLengthDisplay":"13 Hours 31 Mins 15 Secs","moonriseLocal":"00:59","moonsetLocal":"12:10","rahuKala":{"name":"Rāhu Kāla","start":"11:09","end":"12:28","startHours":11.149963068730075,"endHours":12.459860898897006,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:05","end":"16:23","startHours":15.07965655923087,"endHours":16.389554389397798,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:32","end":"09:50","startHours":8.530167408396213,"endHours":9.840065238563145,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:40","end":"10:01","startHours":9.665412194540886,"endHours":10.014718282585402,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:39","end":"07:56","startHours":7.656902188284926,"endHours":7.936347058720538,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:07","end":"12:49","startHours":12.110554810852491,"endHours":12.80916698694152,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:49","end":"06:31","startHours":5.823045226051223,"endHours":6.521657402140252,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:21","end":"07:13","startHours":6.347004358117995,"endHours":7.220269578229282,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:12","end":"14:54","startHours":14.20639133911958,"endHours":14.90500351520861,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:30","end":"17:54","startHours":17.49945221956473,"endHours":17.89945221956473,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:42","end":"18:08","startHours":17.69945221956473,"endHours":18.136084829620373,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:27","end":"19:12","startHours":17.44945221956473,"endHours":19.19945221956473,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:07","end":"00:49","startHours":24.11055481085249,"endHours":24.80916698694152,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:13","end":"08:32","startHours":7.220269578229282,"endHours":8.530167408396213,"quality":"neutral"},{"name":"Labha","start":"08:32","end":"09:50","startHours":8.530167408396213,"endHours":9.840065238563145,"quality":"auspicious"},{"name":"Amṛta","start":"09:50","end":"11:09","startHours":9.840065238563145,"endHours":11.149963068730075,"quality":"auspicious"},{"name":"Kāla","start":"11:09","end":"12:28","startHours":11.149963068730075,"endHours":12.459860898897006,"quality":"inauspicious"},{"name":"Śubha","start":"12:28","end":"13:46","startHours":12.459860898897006,"endHours":13.769758729063938,"quality":"auspicious"},{"name":"Roga","start":"13:46","end":"15:05","startHours":13.769758729063938,"endHours":15.07965655923087,"quality":"inauspicious"},{"name":"Udveg","start":"15:05","end":"16:23","startHours":15.07965655923087,"endHours":16.389554389397798,"quality":"inauspicious"},{"name":"Chala","start":"16:23","end":"17:42","startHours":16.389554389397798,"endHours":17.69945221956473,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:42","end":"19:23","startHours":17.69945221956473,"endHours":19.389554389397798,"quality":"inauspicious"},{"name":"Udveg","start":"19:23","end":"21:05","startHours":19.389554389397798,"endHours":21.07965655923087,"quality":"inauspicious"},{"name":"Chala","start":"21:05","end":"22:46","startHours":21.07965655923087,"endHours":22.769758729063938,"quality":"neutral"},{"name":"Labha","start":"22:46","end":"00:28","startHours":22.769758729063938,"endHours":24.459860898897006,"quality":"auspicious"},{"name":"Amṛta","start":"00:28","end":"02:09","startHours":24.459860898897006,"endHours":26.149963068730074,"quality":"auspicious"},{"name":"Kāla","start":"02:09","end":"03:50","startHours":26.149963068730074,"endHours":27.84006523856314,"quality":"inauspicious"},{"name":"Śubha","start":"03:50","end":"05:32","startHours":27.84006523856314,"endHours":29.530167408396213,"quality":"auspicious"},{"name":"Roga","start":"05:32","end":"07:13","startHours":29.530167408396213,"endHours":31.22026957822928,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:13","end":"08:13","startHours":7.220269578229282,"endHours":8.220269578229281,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:13","end":"09:13","startHours":8.220269578229281,"endHours":9.220269578229281,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:13","end":"10:13","startHours":9.220269578229281,"endHours":10.220269578229281,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:13","end":"11:13","startHours":10.220269578229281,"endHours":11.220269578229281,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:13","end":"12:13","startHours":11.220269578229281,"endHours":12.220269578229281,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:13","end":"13:13","startHours":12.220269578229281,"endHours":13.220269578229281,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:13","end":"14:13","startHours":13.220269578229281,"endHours":14.220269578229281,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:13","end":"15:13","startHours":14.220269578229281,"endHours":15.220269578229281,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:13","end":"16:13","startHours":15.220269578229281,"endHours":16.22026957822928,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:13","end":"17:13","startHours":16.22026957822928,"endHours":17.22026957822928,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:13","end":"18:13","startHours":17.22026957822928,"endHours":18.22026957822928,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:13","end":"19:13","startHours":18.22026957822928,"endHours":19.22026957822928,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:13","end":"20:13","startHours":19.22026957822928,"endHours":20.22026957822928,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:13","end":"21:13","startHours":20.22026957822928,"endHours":21.22026957822928,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:13","end":"22:13","startHours":21.22026957822928,"endHours":22.22026957822928,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:13","end":"23:13","startHours":22.22026957822928,"endHours":23.22026957822928,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:13","end":"00:13","startHours":23.22026957822928,"endHours":24.22026957822928,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:13","end":"01:13","startHours":24.22026957822928,"endHours":25.22026957822928,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:13","end":"02:13","startHours":25.22026957822928,"endHours":26.22026957822928,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:13","end":"03:13","startHours":26.22026957822928,"endHours":27.22026957822928,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:13","end":"04:13","startHours":27.22026957822928,"endHours":28.22026957822928,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:13","end":"05:13","startHours":28.22026957822928,"endHours":29.22026957822928,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:13","end":"06:13","startHours":29.22026957822928,"endHours":30.22026957822928,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:13","end":"07:13","startHours":30.22026957822928,"endHours":31.22026957822928,"planetary_lord":"Mars"}],"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","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"North","rahuVasa":"South-East","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"drikRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-20.419393897638756,"eotMinutes":-10.662053933820344,"ayanamsa":23.714}},"calendars":{"vikram_samvat":2047,"vikram_samvatsara":"Subhānu","saka_samvat":1912,"saka_samvatsara":"Pramoda","bengali_samvat":1397,"malayalam_era":1166,"nanakshahi_year":521,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Aṣṭamī · Vikram 2047 Subhānu · Śaka 1912 Pramoda"},"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":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Kṛṣṇa Aṣṭamī","url":"/day/-3226-07-09","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 January 19, 1990 CE · Ṛṣikeśa · Vidhyamitra","description":"January 19, 1990 CE for Ṛṣikeśa: Kṛṣṇa Aṣṭamī, sūryodaya 07:13, sūryāsta 17:42.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1990-01-19","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1990-01-19","sa":"https://sa.vidhyamitra.com/city/rishikesh/1990-01-19","hi":"https://hi.vidhyamitra.com/city/rishikesh/1990-01-19","x-default":"https://vidhyamitra.com/city/rishikesh/1990-01-19"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T08:10:09.852Z","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":"2026-05-18T08:10:09.852Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-18T08:10:09.852Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}