{"id":"vidhyamitra:city-day:rishikesh:1989-12-19:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1989-12-19","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1989-12-19","date_display":"December 19, 1989 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":1989,"month":12,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2447879.770833,"kali_year":5091,"ahargana":1859414.2708,"sun":{"sidereal_longitude":243.0708,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":141.2792,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":258.2084,"elapsed_within_tithi_degrees":6.2084},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3,"moon_longitude":141.2792,"elapsed_within_degrees":7.9458},"yoga":{"number":2,"name":"Prīti","sum_longitude":24.35},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":1989,"month":12,"day":19,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2447879.770833,"ahargana":1859414.2708,"kali_year":5091,"ayanamsa_lahiri":23.7128,"grahas":{"sun":{"sidereal_longitude":243.396349,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"moon":{"sidereal_longitude":142.803949,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false,"latitude":-1.6839},"mars":{"sidereal_longitude":216.996349,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":262.94324900000004,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":73.432749,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":280.84984899999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":true},"saturn":{"sidereal_longitude":260.140849,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":299.2838,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":119.2838,"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":1989,"month":12,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2447879.770833,"kali_year":5091,"ahargana":1859414.2708,"sun":{"sidereal_longitude":243.0708,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":141.2792,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":258.2084,"elapsed_within_tithi_degrees":6.2084},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3,"moon_longitude":141.2792,"elapsed_within_degrees":7.9458},"yoga":{"number":2,"name":"Prīti","sum_longitude":24.35},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.684,"elongation":101.792},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.684,"opposition_distance":78.208}},"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":"07:08","sunsetLocal":"17:21","solarNoonLocal":"12:15","dayLengthHours":10.20767633884315,"dayLengthDisplay":"10 Hours 12 Mins 28 Secs","nightLengthDisplay":"13 Hours 47 Mins 32 Secs","moonriseLocal":"23:17","moonsetLocal":"11:47","rahuKala":{"name":"Rāhu Kāla","start":"14:48","end":"16:04","startHours":14.795405245308643,"endHours":16.071364787664038,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:41","end":"10:58","startHours":9.691567075887068,"endHours":10.967526618242463,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:15","end":"13:31","startHours":12.243486160597858,"endHours":13.51944570295325,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:31","end":"09:52","startHours":9.52143913690635,"endHours":9.861695014867788,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:34","end":"07:50","startHours":7.564967838628079,"endHours":7.83717254099723,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:35","startHours":11.90323028263642,"endHours":12.583742038559295,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:47","end":"06:28","startHours":5.778624479330528,"endHours":6.459136235253405,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:17","end":"07:08","startHours":6.289008296272685,"endHours":7.139647991176282,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:57","end":"14:38","startHours":13.944765550405048,"endHours":14.625277306327925,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:09","end":"17:33","startHours":17.147324330019433,"endHours":17.547324330019432,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:21","end":"17:46","startHours":17.347324330019433,"endHours":17.772644177471232,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:06","end":"18:51","startHours":17.097324330019433,"endHours":18.847324330019433,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:35","startHours":23.903230282636418,"endHours":24.583742038559297,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"07:08","end":"08:25","startHours":7.139647991176282,"endHours":8.415607533531675,"quality":"inauspicious"},{"name":"Udveg","start":"08:25","end":"09:41","startHours":8.415607533531675,"endHours":9.691567075887068,"quality":"inauspicious"},{"name":"Chala","start":"09:41","end":"10:58","startHours":9.691567075887068,"endHours":10.967526618242463,"quality":"neutral"},{"name":"Labha","start":"10:58","end":"12:15","startHours":10.967526618242463,"endHours":12.243486160597858,"quality":"auspicious"},{"name":"Amṛta","start":"12:15","end":"13:31","startHours":12.243486160597858,"endHours":13.51944570295325,"quality":"auspicious"},{"name":"Kāla","start":"13:31","end":"14:48","startHours":13.51944570295325,"endHours":14.795405245308643,"quality":"inauspicious"},{"name":"Śubha","start":"14:48","end":"16:04","startHours":14.795405245308643,"endHours":16.071364787664038,"quality":"auspicious"},{"name":"Roga","start":"16:04","end":"17:21","startHours":16.071364787664038,"endHours":17.347324330019433,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:21","end":"19:04","startHours":17.347324330019433,"endHours":19.071364787664038,"quality":"inauspicious"},{"name":"Śubha","start":"19:04","end":"20:48","startHours":19.071364787664038,"endHours":20.795405245308643,"quality":"auspicious"},{"name":"Roga","start":"20:48","end":"22:31","startHours":20.795405245308643,"endHours":22.519445702953252,"quality":"inauspicious"},{"name":"Udveg","start":"22:31","end":"00:15","startHours":22.519445702953252,"endHours":24.243486160597858,"quality":"inauspicious"},{"name":"Chala","start":"00:15","end":"01:58","startHours":24.243486160597858,"endHours":25.967526618242463,"quality":"neutral"},{"name":"Labha","start":"01:58","end":"03:41","startHours":25.967526618242463,"endHours":27.691567075887072,"quality":"auspicious"},{"name":"Amṛta","start":"03:41","end":"05:25","startHours":27.691567075887072,"endHours":29.415607533531677,"quality":"auspicious"},{"name":"Kāla","start":"05:25","end":"07:08","startHours":29.415607533531677,"endHours":31.139647991176282,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:08","end":"08:08","startHours":7.139647991176282,"endHours":8.139647991176282,"planetary_lord":"Mars"},{"name":"Hora 2","start":"08:08","end":"09:08","startHours":8.139647991176282,"endHours":9.139647991176282,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"09:08","end":"10:08","startHours":9.139647991176282,"endHours":10.139647991176282,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"10:08","end":"11:08","startHours":10.139647991176282,"endHours":11.139647991176282,"planetary_lord":"Moon"},{"name":"Hora 5","start":"11:08","end":"12:08","startHours":11.139647991176282,"endHours":12.139647991176282,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"12:08","end":"13:08","startHours":12.139647991176282,"endHours":13.139647991176282,"planetary_lord":"Venus"},{"name":"Hora 7","start":"13:08","end":"14:08","startHours":13.139647991176282,"endHours":14.139647991176282,"planetary_lord":"Sun"},{"name":"Hora 8","start":"14:08","end":"15:08","startHours":14.139647991176282,"endHours":15.139647991176282,"planetary_lord":"Mars"},{"name":"Hora 9","start":"15:08","end":"16:08","startHours":15.139647991176282,"endHours":16.139647991176282,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"16:08","end":"17:08","startHours":16.139647991176282,"endHours":17.139647991176282,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"17:08","end":"18:08","startHours":17.139647991176282,"endHours":18.139647991176282,"planetary_lord":"Moon"},{"name":"Hora 12","start":"18:08","end":"19:08","startHours":18.139647991176282,"endHours":19.139647991176282,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"19:08","end":"20:08","startHours":19.139647991176282,"endHours":20.139647991176282,"planetary_lord":"Venus"},{"name":"Hora 14","start":"20:08","end":"21:08","startHours":20.139647991176282,"endHours":21.139647991176282,"planetary_lord":"Sun"},{"name":"Hora 15","start":"21:08","end":"22:08","startHours":21.139647991176282,"endHours":22.139647991176282,"planetary_lord":"Mars"},{"name":"Hora 16","start":"22:08","end":"23:08","startHours":22.139647991176282,"endHours":23.139647991176282,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"23:08","end":"00:08","startHours":23.139647991176282,"endHours":24.139647991176282,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"00:08","end":"01:08","startHours":24.139647991176282,"endHours":25.139647991176282,"planetary_lord":"Moon"},{"name":"Hora 19","start":"01:08","end":"02:08","startHours":25.139647991176282,"endHours":26.139647991176282,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"02:08","end":"03:08","startHours":26.139647991176282,"endHours":27.139647991176282,"planetary_lord":"Venus"},{"name":"Hora 21","start":"03:08","end":"04:08","startHours":27.139647991176282,"endHours":28.139647991176282,"planetary_lord":"Sun"},{"name":"Hora 22","start":"04:08","end":"05:08","startHours":28.139647991176282,"endHours":29.139647991176282,"planetary_lord":"Mars"},{"name":"Hora 23","start":"05:08","end":"06:08","startHours":29.139647991176282,"endHours":30.139647991176282,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"06:08","end":"07:08","startHours":30.139647991176282,"endHours":31.139647991176282,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"West","rahuVasa":"North","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.404896219225186,"eotMinutes":2.3204303641286352,"ayanamsa":23.7128}},"calendars":{"vikram_samvat":2046,"vikram_samvatsara":"Citrabhānu","saka_samvat":1911,"saka_samvatsara":"Śukla","bengali_samvat":1396,"malayalam_era":1165,"nanakshahi_year":520,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Saptamī · Vikram 2046 Citrabhānu · Śaka 1911 Śukla"},"festivals":[],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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 December 19, 1989 CE · Ṛṣikeśa · Vidhyamitra","description":"December 19, 1989 CE for Ṛṣikeśa: Kṛṣṇa Saptamī, sūryodaya 07:08, sūryāsta 17:21.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1989-12-19","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1989-12-19","sa":"https://sa.vidhyamitra.com/city/rishikesh/1989-12-19","hi":"https://hi.vidhyamitra.com/city/rishikesh/1989-12-19","x-default":"https://vidhyamitra.com/city/rishikesh/1989-12-19"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T19:26:30.561Z","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":"2026-06-01T19:26:30.561Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T19:26:30.561Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}