{"id":"vidhyamitra:city-day:rishikesh:1881-04-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1881-04-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1881-04-16","date_display":"April 16, 1881 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":1881,"month":4,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2408186.770833,"kali_year":4983,"ahargana":1819721.2708,"sun":{"sidereal_longitude":4.377,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":202.8594,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":198.4824,"elapsed_within_tithi_degrees":6.4824},"nakshatra":{"number":16,"name":"Viśākhā","pada":1,"moon_longitude":202.8594,"elapsed_within_degrees":2.8594},"yoga":{"number":16,"name":"Siddhi","sum_longitude":207.2364},"karana":{"half_tithi_index":33,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":1881,"month":4,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2408186.770833,"ahargana":1819721.2708,"kali_year":4983,"ayanamsa_lahiri":22.1947,"grahas":{"sun":{"sidereal_longitude":3.9818129999999883,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":203.56291299999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false,"latitude":-2.8637},"mars":{"sidereal_longitude":319.167513,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":339.318213,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":10.191613000000018,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":30.620813,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":true},"saturn":{"sidereal_longitude":9.95881300000002,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":242.41,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":62.41,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":3},"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":1881,"month":4,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2408186.770833,"kali_year":4983,"ahargana":1819721.2708,"sun":{"sidereal_longitude":4.377,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":202.8594,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":198.4824,"elapsed_within_tithi_degrees":6.4824},"nakshatra":{"number":16,"name":"Viśākhā","pada":1,"moon_longitude":202.8594,"elapsed_within_degrees":2.8594},"yoga":{"number":16,"name":"Siddhi","sum_longitude":207.2364},"karana":{"half_tithi_index":33,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.864,"elongation":161.518},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.864,"opposition_distance":18.482}},"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":12.921428166859704,"dayLengthDisplay":"12 Hours 55 Mins 17 Secs","nightLengthDisplay":"11 Hours 04 Mins 43 Secs","moonriseLocal":"20:12","moonsetLocal":"06:58","rahuKala":{"name":"Rāhu Kāla","start":"09:03","end":"10:40","startHours":9.051548106341766,"endHours":10.666726627199228,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:54","end":"15:31","startHours":13.897083668914155,"endHours":15.512262189771617,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:49","end":"07:26","startHours":5.82119106462684,"endHours":7.436369585484303,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:50","end":"09:16","startHours":8.836190970227438,"endHours":9.266905242456094,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:22","end":"06:42","startHours":6.359583904912661,"endHours":6.704155322695587,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:51","end":"12:43","startHours":11.851190875828035,"endHours":12.71261942028535,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:06","end":"04:58","startHours":4.098333975712213,"endHours":4.959762520169527,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:45","end":"05:49","startHours":4.744405384055198,"endHours":5.82119106462684,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:26","end":"15:18","startHours":14.435476509199974,"endHours":15.296905053657287,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:33","end":"18:57","startHours":18.542619231486544,"endHours":18.942619231486542,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:45","end":"19:17","startHours":18.742619231486543,"endHours":19.281012071772363,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:30","end":"20:15","startHours":18.492619231486543,"endHours":20.242619231486543,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:51","end":"00:43","startHours":23.85119087582804,"endHours":24.71261942028535,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:49","end":"07:26","startHours":5.82119106462684,"endHours":7.436369585484303,"quality":"inauspicious"},{"name":"Śubha","start":"07:26","end":"09:03","startHours":7.436369585484303,"endHours":9.051548106341766,"quality":"auspicious"},{"name":"Roga","start":"09:03","end":"10:40","startHours":9.051548106341766,"endHours":10.666726627199228,"quality":"inauspicious"},{"name":"Udveg","start":"10:40","end":"12:17","startHours":10.666726627199228,"endHours":12.28190514805669,"quality":"inauspicious"},{"name":"Chala","start":"12:17","end":"13:54","startHours":12.28190514805669,"endHours":13.897083668914155,"quality":"neutral"},{"name":"Labha","start":"13:54","end":"15:31","startHours":13.897083668914155,"endHours":15.512262189771617,"quality":"auspicious"},{"name":"Amṛta","start":"15:31","end":"17:08","startHours":15.512262189771617,"endHours":17.12744071062908,"quality":"auspicious"},{"name":"Kāla","start":"17:08","end":"18:45","startHours":17.12744071062908,"endHours":18.742619231486543,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:45","end":"20:08","startHours":18.742619231486543,"endHours":20.12744071062908,"quality":"auspicious"},{"name":"Amṛta","start":"20:08","end":"21:31","startHours":20.12744071062908,"endHours":21.51226218977162,"quality":"auspicious"},{"name":"Kāla","start":"21:31","end":"22:54","startHours":21.51226218977162,"endHours":22.897083668914156,"quality":"inauspicious"},{"name":"Śubha","start":"22:54","end":"00:17","startHours":22.897083668914156,"endHours":24.28190514805669,"quality":"auspicious"},{"name":"Roga","start":"00:17","end":"01:40","startHours":24.28190514805669,"endHours":25.66672662719923,"quality":"inauspicious"},{"name":"Udveg","start":"01:40","end":"03:03","startHours":25.66672662719923,"endHours":27.051548106341766,"quality":"inauspicious"},{"name":"Chala","start":"03:03","end":"04:26","startHours":27.051548106341766,"endHours":28.4363695854843,"quality":"neutral"},{"name":"Labha","start":"04:26","end":"05:49","startHours":28.4363695854843,"endHours":29.821191064626838,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:49","end":"06:49","startHours":5.82119106462684,"endHours":6.82119106462684,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:49","end":"07:49","startHours":6.82119106462684,"endHours":7.82119106462684,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:49","end":"08:49","startHours":7.82119106462684,"endHours":8.82119106462684,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:49","end":"09:49","startHours":8.82119106462684,"endHours":9.82119106462684,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:49","end":"10:49","startHours":9.82119106462684,"endHours":10.82119106462684,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:49","end":"11:49","startHours":10.82119106462684,"endHours":11.82119106462684,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:49","end":"12:49","startHours":11.82119106462684,"endHours":12.82119106462684,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:49","end":"13:49","startHours":12.82119106462684,"endHours":13.82119106462684,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:49","end":"14:49","startHours":13.82119106462684,"endHours":14.82119106462684,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:49","end":"15:49","startHours":14.82119106462684,"endHours":15.82119106462684,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:49","end":"16:49","startHours":15.82119106462684,"endHours":16.821191064626838,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:49","end":"17:49","startHours":16.821191064626838,"endHours":17.821191064626838,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:49","end":"18:49","startHours":17.821191064626838,"endHours":18.821191064626838,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:49","end":"19:49","startHours":18.821191064626838,"endHours":19.821191064626838,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:49","end":"20:49","startHours":19.821191064626838,"endHours":20.821191064626838,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:49","end":"21:49","startHours":20.821191064626838,"endHours":21.821191064626838,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:49","end":"22:49","startHours":21.821191064626838,"endHours":22.821191064626838,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:49","end":"23:49","startHours":22.821191064626838,"endHours":23.821191064626838,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:49","end":"00:49","startHours":23.821191064626838,"endHours":24.821191064626838,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:49","end":"01:49","startHours":24.821191064626838,"endHours":25.821191064626838,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:49","end":"02:49","startHours":25.821191064626838,"endHours":26.821191064626838,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:49","end":"03:49","startHours":26.821191064626838,"endHours":27.821191064626838,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:49","end":"04:49","startHours":27.821191064626838,"endHours":28.821191064626838,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:49","end":"05:49","startHours":28.821191064626838,"endHours":29.821191064626838,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"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":"East (Pūrva)","chandraVasa":"North","rahuVasa":"East","anandadiYoga":{"name":"Maitra","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":10.105131852370727,"eotMinutes":0.015291116598477705,"ayanamsa":22.1947}},"calendars":{"vikram_samvat":1938,"vikram_samvatsara":"Jaya","saka_samvat":1803,"saka_samvatsara":"Vṛṣa","bengali_samvat":1288,"malayalam_era":1057,"nanakshahi_year":412,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","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":"Vaiśākha Kṛṣṇa Dvitīyā · Vikram 1938 Jaya · Śaka 1803 Vṛṣa"},"festivals":[],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","url":"/day/-0562-04-11","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 16, 1881 CE · Ṛṣikeśa · Vidhyamitra","description":"April 16, 1881 CE for Ṛṣikeśa: Kṛṣṇa Dvitīyā, sūryodaya 05:49, sūryāsta 18:45.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1881-04-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1881-04-16","sa":"https://sa.vidhyamitra.com/city/rishikesh/1881-04-16","hi":"https://hi.vidhyamitra.com/city/rishikesh/1881-04-16","x-default":"https://vidhyamitra.com/city/rishikesh/1881-04-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T22:49:29.776Z","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":"2026-06-01T22:49:29.776Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T22:49:29.776Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}