{"id":"vidhyamitra:city-day:rishikesh:1890-04-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1890-04-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1890-04-20","date_display":"April 20, 1890 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":1890,"month":4,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2411477.770833,"kali_year":4992,"ahargana":1823012.2708,"sun":{"sidereal_longitude":7.9469,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":18.4363,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":10.4895,"elapsed_within_tithi_degrees":10.4895},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2,"moon_longitude":18.4363,"elapsed_within_degrees":5.103},"yoga":{"number":2,"name":"Prīti","sum_longitude":26.3832},"karana":{"half_tithi_index":1,"name":"Bava"},"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":1890,"month":4,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2411477.770833,"ahargana":1823012.2708,"kali_year":4992,"ayanamsa_lahiri":22.3206,"grahas":{"sun":{"sidereal_longitude":7.587272999999982,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":16.275472999999977,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false,"latitude":-3.4255},"mars":{"sidereal_longitude":232.30967299999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":20.879572999999993,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":289.14847299999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"venus":{"sidereal_longitude":24.295372999999984,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":125.66927299999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":68.0369,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":248.0369,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","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":1890,"month":4,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2411477.770833,"kali_year":4992,"ahargana":1823012.2708,"sun":{"sidereal_longitude":7.9469,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":18.4363,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":10.4895,"elapsed_within_tithi_degrees":10.4895},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2,"moon_longitude":18.4363,"elapsed_within_degrees":5.103},"yoga":{"number":2,"name":"Prīti","sum_longitude":26.3832},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.425,"elongation":10.489},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.425,"opposition_distance":169.511}},"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":"05:45","sunsetLocal":"18:47","solarNoonLocal":"12:16","dayLengthHours":13.029606257120015,"dayLengthDisplay":"13 Hours 01 Mins 47 Secs","nightLengthDisplay":"10 Hours 58 Mins 13 Secs","moonriseLocal":"06:14","moonsetLocal":"19:28","rahuKala":{"name":"Rāhu Kāla","start":"17:09","end":"18:47","startHours":17.152132955325992,"endHours":18.780833737465993,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:16","end":"13:54","startHours":12.266030608905986,"endHours":13.894731391045987,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:31","end":"17:09","startHours":15.523432173185988,"endHours":17.152132955325992,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:47","end":"09:14","startHours":8.791468940340648,"endHours":9.225789148911314,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:18","end":"06:38","startHours":6.294127741059311,"endHours":6.641583907915845,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:42","startHours":11.831710400335318,"endHours":12.700350817476654,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:01","end":"04:53","startHours":4.013946646063308,"endHours":4.882587063204643,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:40","end":"05:45","startHours":4.665426958919309,"endHours":5.751227480345977,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:26","end":"15:18","startHours":14.437631651759322,"endHours":15.306272068900656,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:35","end":"18:59","startHours":18.580833737465994,"endHours":18.980833737465993,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:47","end":"19:19","startHours":18.780833737465993,"endHours":19.32373399817933,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:32","end":"20:17","startHours":18.530833737465993,"endHours":20.280833737465993,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:42","startHours":23.831710400335318,"endHours":24.700350817476654,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:45","end":"07:23","startHours":5.751227480345977,"endHours":7.379928262485979,"quality":"inauspicious"},{"name":"Chala","start":"07:23","end":"09:01","startHours":7.379928262485979,"endHours":9.00862904462598,"quality":"neutral"},{"name":"Labha","start":"09:01","end":"10:38","startHours":9.00862904462598,"endHours":10.637329826765983,"quality":"auspicious"},{"name":"Amṛta","start":"10:38","end":"12:16","startHours":10.637329826765983,"endHours":12.266030608905986,"quality":"auspicious"},{"name":"Kāla","start":"12:16","end":"13:54","startHours":12.266030608905986,"endHours":13.894731391045987,"quality":"inauspicious"},{"name":"Śubha","start":"13:54","end":"15:31","startHours":13.894731391045987,"endHours":15.523432173185988,"quality":"auspicious"},{"name":"Roga","start":"15:31","end":"17:09","startHours":15.523432173185988,"endHours":17.152132955325992,"quality":"inauspicious"},{"name":"Udveg","start":"17:09","end":"18:47","startHours":17.152132955325992,"endHours":18.780833737465993,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:47","end":"20:09","startHours":18.780833737465993,"endHours":20.152132955325992,"quality":"auspicious"},{"name":"Roga","start":"20:09","end":"21:31","startHours":20.152132955325992,"endHours":21.523432173185988,"quality":"inauspicious"},{"name":"Udveg","start":"21:31","end":"22:54","startHours":21.523432173185988,"endHours":22.894731391045987,"quality":"inauspicious"},{"name":"Chala","start":"22:54","end":"00:16","startHours":22.894731391045987,"endHours":24.266030608905986,"quality":"neutral"},{"name":"Labha","start":"00:16","end":"01:38","startHours":24.266030608905986,"endHours":25.637329826765985,"quality":"auspicious"},{"name":"Amṛta","start":"01:38","end":"03:01","startHours":25.637329826765985,"endHours":27.008629044625984,"quality":"auspicious"},{"name":"Kāla","start":"03:01","end":"04:23","startHours":27.008629044625984,"endHours":28.37992826248598,"quality":"inauspicious"},{"name":"Śubha","start":"04:23","end":"05:45","startHours":28.37992826248598,"endHours":29.751227480345978,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:45","end":"06:45","startHours":5.751227480345977,"endHours":6.751227480345977,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:45","end":"07:45","startHours":6.751227480345977,"endHours":7.751227480345977,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:45","end":"08:45","startHours":7.751227480345977,"endHours":8.751227480345978,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:45","end":"09:45","startHours":8.751227480345978,"endHours":9.751227480345978,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:45","end":"10:45","startHours":9.751227480345978,"endHours":10.751227480345978,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:45","end":"11:45","startHours":10.751227480345978,"endHours":11.751227480345978,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:45","end":"12:45","startHours":11.751227480345978,"endHours":12.751227480345978,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:45","end":"13:45","startHours":12.751227480345978,"endHours":13.751227480345978,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:45","end":"14:45","startHours":13.751227480345978,"endHours":14.751227480345978,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:45","end":"15:45","startHours":14.751227480345978,"endHours":15.751227480345978,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:45","end":"16:45","startHours":15.751227480345978,"endHours":16.751227480345978,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:45","end":"17:45","startHours":16.751227480345978,"endHours":17.751227480345978,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:45","end":"18:45","startHours":17.751227480345978,"endHours":18.751227480345978,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:45","end":"19:45","startHours":18.751227480345978,"endHours":19.751227480345978,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:45","end":"20:45","startHours":19.751227480345978,"endHours":20.751227480345978,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:45","end":"21:45","startHours":20.751227480345978,"endHours":21.751227480345978,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:45","end":"22:45","startHours":21.751227480345978,"endHours":22.751227480345978,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:45","end":"23:45","startHours":22.751227480345978,"endHours":23.751227480345978,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:45","end":"00:45","startHours":23.751227480345978,"endHours":24.751227480345978,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:45","end":"01:45","startHours":24.751227480345978,"endHours":25.751227480345978,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:45","end":"02:45","startHours":25.751227480345978,"endHours":26.751227480345978,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:45","end":"03:45","startHours":26.751227480345978,"endHours":27.751227480345978,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:45","end":"04:45","startHours":27.751227480345978,"endHours":28.751227480345978,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:45","end":"05:45","startHours":28.751227480345978,"endHours":29.751227480345978,"planetary_lord":"Jupiter"}],"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":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Kāladaṇḍa","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":11.438274414942093,"eotMinutes":0.9677634656409275,"ayanamsa":22.3206}},"calendars":{"vikram_samvat":1947,"vikram_samvatsara":"Śobhana","saka_samvat":1812,"saka_samvatsara":"Vikṛti","bengali_samvat":1297,"malayalam_era":1066,"nanakshahi_year":421,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","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 Śukla Pratipada · Vikram 1947 Śobhana · Śaka 1812 Vikṛti"},"festivals":[],"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 20, 1890 CE · Ṛṣikeśa · Vidhyamitra","description":"April 20, 1890 CE for Ṛṣikeśa: Śukla Pratipada, sūryodaya 05:45, sūryāsta 18:47.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1890-04-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1890-04-20","sa":"https://sa.vidhyamitra.com/city/rishikesh/1890-04-20","hi":"https://hi.vidhyamitra.com/city/rishikesh/1890-04-20","x-default":"https://vidhyamitra.com/city/rishikesh/1890-04-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T19:49:36.087Z","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":"2026-05-31T19:49:36.087Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T19:49:36.087Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}