{"id":"vidhyamitra:city-day:rishikesh:2141-04-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2141-04-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2141-04-16","date_display":"April 16, 2141 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":2141,"month":4,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2503149.770833,"kali_year":5242,"ahargana":1914684.2708,"sun":{"sidereal_longitude":0.2073,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":118.4656,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":118.2582,"elapsed_within_tithi_degrees":10.2582},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4,"moon_longitude":118.4656,"elapsed_within_degrees":11.7989},"yoga":{"number":9,"name":"Śūla","sum_longitude":118.6729},"karana":{"half_tithi_index":19,"name":"Gara"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":2141,"month":4,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2503149.770833,"ahargana":1914684.2708,"kali_year":5242,"ayanamsa_lahiri":25.8267,"grahas":{"sun":{"sidereal_longitude":0.40372899999999845,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":119.900529,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false,"latitude":-3.3243},"mars":{"sidereal_longitude":12.406829000000016,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":17.699928999999997,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":339.217229,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":12.667128999999989,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":310.97002900000007,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":250.8132,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":70.8132,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"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":2141,"month":4,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2503149.770833,"kali_year":5242,"ahargana":1914684.2708,"sun":{"sidereal_longitude":0.2073,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":118.4656,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":118.2582,"elapsed_within_tithi_degrees":10.2582},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4,"moon_longitude":118.4656,"elapsed_within_degrees":11.7989},"yoga":{"number":9,"name":"Śūla","sum_longitude":118.6729},"karana":{"half_tithi_index":19,"name":"Gara"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.324,"elongation":118.258},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.324,"opposition_distance":61.742}},"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":12.923005410222625,"dayLengthDisplay":"12 Hours 55 Mins 23 Secs","nightLengthDisplay":"11 Hours 04 Mins 37 Secs","moonriseLocal":"13:42","moonsetLocal":"02:48","rahuKala":{"name":"Rāhu Kāla","start":"17:08","end":"18:45","startHours":17.128032176890176,"endHours":18.743407853168005,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:17","end":"13:54","startHours":12.281905148056694,"endHours":13.897280824334523,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:31","end":"17:08","startHours":15.512656500612348,"endHours":17.128032176890176,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:50","end":"09:16","startHours":8.835770371997327,"endHours":9.266537219004746,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:22","end":"06:42","startHours":6.358861001704657,"endHours":6.703474479310594,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:51","end":"12:43","startHours":11.851138301049271,"endHours":12.712671995064113,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:06","end":"04:58","startHours":4.097335054915697,"endHours":4.958868748930539,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:45","end":"05:49","startHours":4.743485325426828,"endHours":5.8204024429453805,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:26","end":"15:18","startHours":14.435739383093797,"endHours":15.297273077108638,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:33","end":"18:57","startHours":18.543407853168006,"endHours":18.943407853168004,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:45","end":"19:17","startHours":18.743407853168005,"endHours":19.281866411927282,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:30","end":"20:15","startHours":18.493407853168005,"endHours":20.243407853168005,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:51","end":"00:43","startHours":23.851138301049275,"endHours":24.712671995064113,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:49","end":"07:26","startHours":5.8204024429453805,"endHours":7.435778119223208,"quality":"inauspicious"},{"name":"Chala","start":"07:26","end":"09:03","startHours":7.435778119223208,"endHours":9.051153795501037,"quality":"neutral"},{"name":"Labha","start":"09:03","end":"10:40","startHours":9.051153795501037,"endHours":10.666529471778865,"quality":"auspicious"},{"name":"Amṛta","start":"10:40","end":"12:17","startHours":10.666529471778865,"endHours":12.281905148056694,"quality":"auspicious"},{"name":"Kāla","start":"12:17","end":"13:54","startHours":12.281905148056694,"endHours":13.897280824334523,"quality":"inauspicious"},{"name":"Śubha","start":"13:54","end":"15:31","startHours":13.897280824334523,"endHours":15.512656500612348,"quality":"auspicious"},{"name":"Roga","start":"15:31","end":"17:08","startHours":15.512656500612348,"endHours":17.128032176890176,"quality":"inauspicious"},{"name":"Udveg","start":"17:08","end":"18:45","startHours":17.128032176890176,"endHours":18.743407853168005,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:45","end":"20:08","startHours":18.743407853168005,"endHours":20.128032176890176,"quality":"auspicious"},{"name":"Roga","start":"20:08","end":"21:31","startHours":20.128032176890176,"endHours":21.512656500612348,"quality":"inauspicious"},{"name":"Udveg","start":"21:31","end":"22:54","startHours":21.512656500612348,"endHours":22.897280824334523,"quality":"inauspicious"},{"name":"Chala","start":"22:54","end":"00:17","startHours":22.897280824334523,"endHours":24.281905148056694,"quality":"neutral"},{"name":"Labha","start":"00:17","end":"01:40","startHours":24.281905148056694,"endHours":25.666529471778865,"quality":"auspicious"},{"name":"Amṛta","start":"01:40","end":"03:03","startHours":25.666529471778865,"endHours":27.051153795501037,"quality":"auspicious"},{"name":"Kāla","start":"03:03","end":"04:26","startHours":27.051153795501037,"endHours":28.435778119223208,"quality":"inauspicious"},{"name":"Śubha","start":"04:26","end":"05:49","startHours":28.435778119223208,"endHours":29.82040244294538,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:49","end":"06:49","startHours":5.8204024429453805,"endHours":6.8204024429453805,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:49","end":"07:49","startHours":6.8204024429453805,"endHours":7.8204024429453805,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:49","end":"08:49","startHours":7.8204024429453805,"endHours":8.82040244294538,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:49","end":"09:49","startHours":8.82040244294538,"endHours":9.82040244294538,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:49","end":"10:49","startHours":9.82040244294538,"endHours":10.82040244294538,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:49","end":"11:49","startHours":10.82040244294538,"endHours":11.82040244294538,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:49","end":"12:49","startHours":11.82040244294538,"endHours":12.82040244294538,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:49","end":"13:49","startHours":12.82040244294538,"endHours":13.82040244294538,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:49","end":"14:49","startHours":13.82040244294538,"endHours":14.82040244294538,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:49","end":"15:49","startHours":14.82040244294538,"endHours":15.82040244294538,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:49","end":"16:49","startHours":15.82040244294538,"endHours":16.82040244294538,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:49","end":"17:49","startHours":16.82040244294538,"endHours":17.82040244294538,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:49","end":"18:49","startHours":17.82040244294538,"endHours":18.82040244294538,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:49","end":"19:49","startHours":18.82040244294538,"endHours":19.82040244294538,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:49","end":"20:49","startHours":19.82040244294538,"endHours":20.82040244294538,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:49","end":"21:49","startHours":20.82040244294538,"endHours":21.82040244294538,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:49","end":"22:49","startHours":21.82040244294538,"endHours":22.82040244294538,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:49","end":"23:49","startHours":22.82040244294538,"endHours":23.82040244294538,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:49","end":"00:49","startHours":23.82040244294538,"endHours":24.82040244294538,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:49","end":"01:49","startHours":24.82040244294538,"endHours":25.82040244294538,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:49","end":"02:49","startHours":25.82040244294538,"endHours":26.82040244294538,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:49","end":"03:49","startHours":26.82040244294538,"endHours":27.82040244294538,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:49","end":"04:49","startHours":27.82040244294538,"endHours":28.82040244294538,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:49","end":"05:49","startHours":28.82040244294538,"endHours":29.82040244294538,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"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":"North-East","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":10.124675979295178,"eotMinutes":0.015291116598477705,"ayanamsa":25.8267}},"calendars":{"vikram_samvat":2198,"vikram_samvatsara":"Ānanda","saka_samvat":2063,"saka_samvatsara":"Plava","bengali_samvat":1548,"malayalam_era":1317,"nanakshahi_year":672,"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 Daśamī · Vikram 2198 Ānanda · Śaka 2063 Plava"},"festivals":[{"id":"mesha-sankranti","name":"Meṣa Saṅkrānti (Vaiśākhī / Vishu / Pohelā Boishākh / Bihu)","name_sanskrit":"मेष सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aries; solar new year. Regional: Vaiśākhī (Punjab) · Vishu (Kerala) · Pohelā Boishākh (Bengal) · Bihu (Assam) · Tamil Puthāṇḍu.","vrata":false,"detection":{"sun_rashi_ingress":"Meṣa"},"precedence":1},{"id":"baisakhi","name":"Baisakhi (Vaiśākhī)","name_sanskrit":"वैशाखी","tradition":"Regional","associated_deity":"Sūrya + Khalsa Pantha (Sikh)","significance":"Punjab New Year + Sikh Khalsa founding day.","vrata":false,"detection":{"sun_rashi_ingress":"Meṣa"},"precedence":2}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 April 16, 2141 CE · Ṛṣikeśa · Vidhyamitra","description":"April 16, 2141 CE for Ṛṣikeśa: Śukla Daśamī, sūryodaya 05:49, sūryāsta 18:45.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2141-04-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2141-04-16","sa":"https://sa.vidhyamitra.com/city/rishikesh/2141-04-16","hi":"https://hi.vidhyamitra.com/city/rishikesh/2141-04-16","x-default":"https://vidhyamitra.com/city/rishikesh/2141-04-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T03:42:36.106Z","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":"2026-06-03T03:42:36.106Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T03:42:36.106Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}