{"id":"vidhyamitra:city-day:rishikesh:1903-12-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1903-12-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1903-12-17","date_display":"December 17, 1903 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":1903,"month":12,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2416465.770833,"kali_year":5005,"ahargana":1828000.2708,"sun":{"sidereal_longitude":241.2773,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":220.47,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":339.1927,"elapsed_within_tithi_degrees":3.1927},"nakshatra":{"number":17,"name":"Anurādhā","pada":3,"moon_longitude":220.47,"elapsed_within_degrees":7.1367},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":101.7473},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":1903,"month":12,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2416465.770833,"ahargana":1828000.2708,"kali_year":5005,"ayanamsa_lahiri":22.5114,"grahas":{"sun":{"sidereal_longitude":241.415395,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"moon":{"sidereal_longitude":219.961495,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false,"latitude":3.7609},"mars":{"sidereal_longitude":282.429895,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":256.705695,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":324.607495,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":196.970595,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":285.218795,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":163.7487,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":343.7487,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","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":1903,"month":12,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2416465.770833,"kali_year":5005,"ahargana":1828000.2708,"sun":{"sidereal_longitude":241.2773,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":220.47,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":339.1927,"elapsed_within_tithi_degrees":3.1927},"nakshatra":{"number":17,"name":"Anurādhā","pada":3,"moon_longitude":220.47,"elapsed_within_degrees":7.1367},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":101.7473},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.761,"elongation":20.807},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.761,"opposition_distance":159.193}},"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":"07:07","sunsetLocal":"17:20","solarNoonLocal":"12:14","dayLengthHours":10.217708738185443,"dayLengthDisplay":"10 Hours 13 Mins 04 Secs","nightLengthDisplay":"13 Hours 46 Mins 56 Secs","moonriseLocal":"05:35","moonsetLocal":"16:00","rahuKala":{"name":"Rāhu Kāla","start":"13:30","end":"14:47","startHours":13.505150777654707,"endHours":14.782364369927887,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:07","end":"08:24","startHours":7.119082816288805,"endHours":8.396296408561986,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:40","end":"10:57","startHours":9.673510000835165,"endHours":10.950723593108346,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:30","end":"09:51","startHours":9.503214855198742,"endHours":9.84380514647159,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:33","end":"07:49","startHours":7.544820680379865,"endHours":7.817292913398143,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:34","startHours":11.88734689410868,"endHours":12.568527476654376,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:45","end":"06:26","startHours":5.756721651197413,"endHours":6.437902233743109,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:16","end":"07:07","startHours":6.2676070881066845,"endHours":7.119082816288805,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:56","end":"14:37","startHours":13.930888641745767,"endHours":14.612069224291464,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:08","end":"17:32","startHours":17.13679155447425,"endHours":17.53679155447425,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:20","end":"17:46","startHours":17.33679155447425,"endHours":17.76252941856531,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:05","end":"18:50","startHours":17.08679155447425,"endHours":18.83679155447425,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:34","startHours":23.88734689410868,"endHours":24.568527476654374,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:07","end":"08:24","startHours":7.119082816288805,"endHours":8.396296408561986,"quality":"auspicious"},{"name":"Roga","start":"08:24","end":"09:40","startHours":8.396296408561986,"endHours":9.673510000835165,"quality":"inauspicious"},{"name":"Udveg","start":"09:40","end":"10:57","startHours":9.673510000835165,"endHours":10.950723593108346,"quality":"inauspicious"},{"name":"Chala","start":"10:57","end":"12:14","startHours":10.950723593108346,"endHours":12.227937185381528,"quality":"neutral"},{"name":"Labha","start":"12:14","end":"13:30","startHours":12.227937185381528,"endHours":13.505150777654707,"quality":"auspicious"},{"name":"Amṛta","start":"13:30","end":"14:47","startHours":13.505150777654707,"endHours":14.782364369927887,"quality":"auspicious"},{"name":"Kāla","start":"14:47","end":"16:04","startHours":14.782364369927887,"endHours":16.059577962201068,"quality":"inauspicious"},{"name":"Śubha","start":"16:04","end":"17:20","startHours":16.059577962201068,"endHours":17.33679155447425,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:20","end":"19:04","startHours":17.33679155447425,"endHours":19.059577962201068,"quality":"auspicious"},{"name":"Kāla","start":"19:04","end":"20:47","startHours":19.059577962201068,"endHours":20.78236436992789,"quality":"inauspicious"},{"name":"Śubha","start":"20:47","end":"22:30","startHours":20.78236436992789,"endHours":22.50515077765471,"quality":"auspicious"},{"name":"Roga","start":"22:30","end":"00:14","startHours":22.50515077765471,"endHours":24.227937185381528,"quality":"inauspicious"},{"name":"Udveg","start":"00:14","end":"01:57","startHours":24.227937185381528,"endHours":25.950723593108346,"quality":"inauspicious"},{"name":"Chala","start":"01:57","end":"03:40","startHours":25.950723593108346,"endHours":27.673510000835165,"quality":"neutral"},{"name":"Labha","start":"03:40","end":"05:24","startHours":27.673510000835165,"endHours":29.396296408561987,"quality":"auspicious"},{"name":"Amṛta","start":"05:24","end":"07:07","startHours":29.396296408561987,"endHours":31.119082816288806,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:07","end":"08:07","startHours":7.119082816288805,"endHours":8.119082816288806,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:07","end":"09:07","startHours":8.119082816288806,"endHours":9.119082816288806,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:07","end":"10:07","startHours":9.119082816288806,"endHours":10.119082816288806,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:07","end":"11:07","startHours":10.119082816288806,"endHours":11.119082816288806,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:07","end":"12:07","startHours":11.119082816288806,"endHours":12.119082816288806,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:07","end":"13:07","startHours":12.119082816288806,"endHours":13.119082816288806,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:07","end":"14:07","startHours":13.119082816288806,"endHours":14.119082816288806,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:07","end":"15:07","startHours":14.119082816288806,"endHours":15.119082816288806,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:07","end":"16:07","startHours":15.119082816288806,"endHours":16.119082816288806,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:07","end":"17:07","startHours":16.119082816288806,"endHours":17.119082816288806,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:07","end":"18:07","startHours":17.119082816288806,"endHours":18.119082816288806,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:07","end":"19:07","startHours":18.119082816288806,"endHours":19.119082816288806,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:07","end":"20:07","startHours":19.119082816288806,"endHours":20.119082816288806,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:07","end":"21:07","startHours":20.119082816288806,"endHours":21.119082816288806,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:07","end":"22:07","startHours":21.119082816288806,"endHours":22.119082816288806,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:07","end":"23:07","startHours":22.119082816288806,"endHours":23.119082816288806,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:07","end":"00:07","startHours":23.119082816288806,"endHours":24.119082816288806,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:07","end":"01:07","startHours":24.119082816288806,"endHours":25.119082816288806,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:07","end":"02:07","startHours":25.119082816288806,"endHours":26.119082816288806,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:07","end":"03:07","startHours":26.119082816288806,"endHours":27.119082816288806,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:07","end":"04:07","startHours":27.119082816288806,"endHours":28.119082816288806,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:07","end":"05:07","startHours":28.119082816288806,"endHours":29.119082816288806,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:07","end":"06:07","startHours":29.119082816288806,"endHours":30.119082816288806,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:07","end":"07:07","startHours":30.119082816288806,"endHours":31.119082816288806,"planetary_lord":"Moon"}],"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":"South (Dakṣiṇa)","chandraVasa":"North-East","rahuVasa":"North-West","anandadiYoga":{"name":"Saumya","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":-23.29717390604479,"eotMinutes":3.253368877108411,"ayanamsa":22.5114}},"calendars":{"vikram_samvat":1960,"vikram_samvatsara":"Nala","saka_samvat":1825,"saka_samvatsara":"Śobhana","bengali_samvat":1310,"malayalam_era":1079,"nanakshahi_year":434,"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 Caturdaśī · Vikram 1960 Nala · Śaka 1825 Śobhana"},"festivals":[{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 17, 1903 CE · Ṛṣikeśa · Vidhyamitra","description":"December 17, 1903 CE for Ṛṣikeśa: Kṛṣṇa Caturdaśī, sūryodaya 07:07, sūryāsta 17:20.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1903-12-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1903-12-17","sa":"https://sa.vidhyamitra.com/city/rishikesh/1903-12-17","hi":"https://hi.vidhyamitra.com/city/rishikesh/1903-12-17","x-default":"https://vidhyamitra.com/city/rishikesh/1903-12-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T14:27:56.165Z","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":"2026-05-31T14:27:56.165Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T14:27:56.165Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}