{"id":"vidhyamitra:city-day:rishikesh:1891-04-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1891-04-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1891-04-17","date_display":"April 17, 1891 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":1891,"month":4,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2411839.770833,"kali_year":4993,"ahargana":1823374.2708,"sun":{"sidereal_longitude":4.7785,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":103.6031,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":98.8246,"elapsed_within_tithi_degrees":2.8246},"nakshatra":{"number":8,"name":"Puṣya","pada":4,"moon_longitude":103.6031,"elapsed_within_degrees":10.2698},"yoga":{"number":9,"name":"Śūla","sum_longitude":108.3816},"karana":{"half_tithi_index":16,"name":"Bālava"},"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":1891,"month":4,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2411839.770833,"ahargana":1823374.2708,"kali_year":4993,"ayanamsa_lahiri":22.3344,"grahas":{"sun":{"sidereal_longitude":4.408641999999986,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":105.237842,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false,"latitude":3.6735},"mars":{"sidereal_longitude":37.097541999999976,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":25.736242000000004,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":318.05594199999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":326.935742,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":139.507742,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":48.8564,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":228.8564,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"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":1891,"month":4,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2411839.770833,"kali_year":4993,"ahargana":1823374.2708,"sun":{"sidereal_longitude":4.7785,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":103.6031,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":98.8246,"elapsed_within_tithi_degrees":2.8246},"nakshatra":{"number":8,"name":"Puṣya","pada":4,"moon_longitude":103.6031,"elapsed_within_degrees":10.2698},"yoga":{"number":9,"name":"Śūla","sum_longitude":108.3816},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.673,"elongation":98.825},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.673,"opposition_distance":81.175}},"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":"05:49","sunsetLocal":"18:45","solarNoonLocal":"12:17","dayLengthHours":12.937981688879454,"dayLengthDisplay":"12 Hours 56 Mins 17 Secs","nightLengthDisplay":"11 Hours 03 Mins 43 Secs","moonriseLocal":"12:13","moonsetLocal":"01:47","rahuKala":{"name":"Rāhu Kāla","start":"10:40","end":"12:17","startHours":10.660511472561236,"endHours":12.277759183671169,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:31","end":"17:08","startHours":15.51225460589103,"endHours":17.129502317000963,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:26","end":"09:03","startHours":7.426016050341373,"endHours":9.043263761451303,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:50","end":"09:16","startHours":8.827630733303312,"endHours":9.258896789599294,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:21","end":"06:42","startHours":6.347850909601418,"endHours":6.6928637546382035,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:51","end":"12:43","startHours":11.846493127375187,"endHours":12.70902523996715,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:05","end":"04:57","startHours":4.083704114047514,"endHours":4.946236226639478,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:44","end":"05:49","startHours":4.730603198491487,"endHours":5.808768339231441,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:26","end":"15:18","startHours":14.434089465151079,"endHours":15.296621577743043,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:33","end":"18:57","startHours":18.546750028110896,"endHours":18.946750028110895,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:45","end":"19:17","startHours":18.746750028110895,"endHours":19.285832598480873,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:30","end":"20:15","startHours":18.496750028110895,"endHours":20.246750028110895,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:51","end":"00:43","startHours":23.846493127375187,"endHours":24.70902523996715,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:49","end":"07:26","startHours":5.808768339231441,"endHours":7.426016050341373,"quality":"neutral"},{"name":"Labha","start":"07:26","end":"09:03","startHours":7.426016050341373,"endHours":9.043263761451303,"quality":"auspicious"},{"name":"Amṛta","start":"09:03","end":"10:40","startHours":9.043263761451303,"endHours":10.660511472561236,"quality":"auspicious"},{"name":"Kāla","start":"10:40","end":"12:17","startHours":10.660511472561236,"endHours":12.277759183671169,"quality":"inauspicious"},{"name":"Śubha","start":"12:17","end":"13:54","startHours":12.277759183671169,"endHours":13.895006894781101,"quality":"auspicious"},{"name":"Roga","start":"13:54","end":"15:31","startHours":13.895006894781101,"endHours":15.51225460589103,"quality":"inauspicious"},{"name":"Udveg","start":"15:31","end":"17:08","startHours":15.51225460589103,"endHours":17.129502317000963,"quality":"inauspicious"},{"name":"Chala","start":"17:08","end":"18:45","startHours":17.129502317000963,"endHours":18.746750028110895,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:45","end":"20:08","startHours":18.746750028110895,"endHours":20.129502317000963,"quality":"inauspicious"},{"name":"Udveg","start":"20:08","end":"21:31","startHours":20.129502317000963,"endHours":21.51225460589103,"quality":"inauspicious"},{"name":"Chala","start":"21:31","end":"22:54","startHours":21.51225460589103,"endHours":22.8950068947811,"quality":"neutral"},{"name":"Labha","start":"22:54","end":"00:17","startHours":22.8950068947811,"endHours":24.27775918367117,"quality":"auspicious"},{"name":"Amṛta","start":"00:17","end":"01:40","startHours":24.27775918367117,"endHours":25.660511472561236,"quality":"auspicious"},{"name":"Kāla","start":"01:40","end":"03:03","startHours":25.660511472561236,"endHours":27.043263761451307,"quality":"inauspicious"},{"name":"Śubha","start":"03:03","end":"04:26","startHours":27.043263761451307,"endHours":28.426016050341374,"quality":"auspicious"},{"name":"Roga","start":"04:26","end":"05:49","startHours":28.426016050341374,"endHours":29.80876833923144,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:49","end":"06:49","startHours":5.808768339231441,"endHours":6.808768339231441,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:49","end":"07:49","startHours":6.808768339231441,"endHours":7.808768339231441,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:49","end":"08:49","startHours":7.808768339231441,"endHours":8.808768339231442,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:49","end":"09:49","startHours":8.808768339231442,"endHours":9.808768339231442,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:49","end":"10:49","startHours":9.808768339231442,"endHours":10.808768339231442,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:49","end":"11:49","startHours":10.808768339231442,"endHours":11.808768339231442,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:49","end":"12:49","startHours":11.808768339231442,"endHours":12.808768339231442,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:49","end":"13:49","startHours":12.808768339231442,"endHours":13.808768339231442,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:49","end":"14:49","startHours":13.808768339231442,"endHours":14.808768339231442,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:49","end":"15:49","startHours":14.808768339231442,"endHours":15.808768339231442,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:49","end":"16:49","startHours":15.808768339231442,"endHours":16.80876833923144,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:49","end":"17:49","startHours":16.80876833923144,"endHours":17.80876833923144,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:49","end":"18:49","startHours":17.80876833923144,"endHours":18.80876833923144,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:49","end":"19:49","startHours":18.80876833923144,"endHours":19.80876833923144,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:49","end":"20:49","startHours":19.80876833923144,"endHours":20.80876833923144,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:49","end":"21:49","startHours":20.80876833923144,"endHours":21.80876833923144,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:49","end":"22:49","startHours":21.80876833923144,"endHours":22.80876833923144,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:49","end":"23:49","startHours":22.80876833923144,"endHours":23.80876833923144,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:49","end":"00:49","startHours":23.80876833923144,"endHours":24.80876833923144,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:49","end":"01:49","startHours":24.80876833923144,"endHours":25.80876833923144,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:49","end":"02:49","startHours":25.80876833923144,"endHours":26.80876833923144,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:49","end":"03:49","startHours":26.80876833923144,"endHours":27.80876833923144,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:49","end":"04:49","startHours":27.80876833923144,"endHours":28.80876833923144,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:49","end":"05:49","startHours":28.80876833923144,"endHours":29.80876833923144,"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","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"South-East","anandadiYoga":{"name":"Dhātṛ","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":10.310098723331661,"eotMinutes":0.2640489797298191,"ayanamsa":22.3344}},"calendars":{"vikram_samvat":1948,"vikram_samvatsara":"Krodhi","saka_samvat":1813,"saka_samvatsara":"Khara","bengali_samvat":1298,"malayalam_era":1067,"nanakshahi_year":422,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Caitra","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Navamī · Vikram 1948 Krodhi · Śaka 1813 Khara"},"festivals":[{"id":"rama-navami","name":"Rāma Navamī","name_sanskrit":"राम नवमी","tradition":"Vaishnava","associated_deity":"Rāma (18th avatāra of Krishna)","deity_avatara_index":18,"significance":"Bhagavān Rāma's birth at Ayodhyā. Sūryavaṃśa's most exalted moment.","vrata":true,"primary_observance":"Madhyāhna (noon) abhiṣekam in Ayodhyā tradition","detection":{"tithi_number":9,"tithi_paksha":"Śukla","lunar_month":"Caitra"},"precedence":1,"related_chart":"rama","historical_anchor":{"event":"Bhagavān Rāma's birth at Ayodhyā","date_julian":"-1626101-04-03","location":"Ayodhyā"},"sources":["Vālmīki Rāmāyaṇa, Bāla-Kāṇḍa 1.18"]}],"todays_walk":{"walk":{"id":"rama-navami-walk","name":"Rāma Navamī Walk","name_sanskrit":"राम नवमी यात्रा","type":"festival","description":"Vālmīki Bāla-Kāṇḍa selections + BG 4.7-8 (avatāra principle).","step_count":9,"url":"/walk/rama-navami-walk"},"reason":"Today is Rāma Navamī — its dedicated walk."},"cosmic_resonances":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Śukla Navamī","url":"/day/-1626101-04-03","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 April 17, 1891 CE · Ṛṣikeśa · Vidhyamitra","description":"April 17, 1891 CE for Ṛṣikeśa: Śukla Navamī, sūryodaya 05:49, sūryāsta 18:45.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1891-04-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1891-04-17","sa":"https://sa.vidhyamitra.com/city/rishikesh/1891-04-17","hi":"https://hi.vidhyamitra.com/city/rishikesh/1891-04-17","x-default":"https://vidhyamitra.com/city/rishikesh/1891-04-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T09:33:59.526Z","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":"2026-05-31T09:33:59.526Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T09:33:59.526Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}