{"id":"vidhyamitra:city-day:rishikesh:1879-02-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1879-02-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1879-02-21","date_display":"February 21, 1879 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":1879,"month":2,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2407401.770833,"kali_year":4980,"ahargana":1818936.2708,"sun":{"sidereal_longitude":310.3177,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":310.465,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":0.1473,"elapsed_within_tithi_degrees":0.1473},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2,"moon_longitude":310.465,"elapsed_within_degrees":3.7983},"yoga":{"number":20,"name":"Śiva","sum_longitude":260.7827},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"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":1879,"month":2,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2407401.770833,"ahargana":1818936.2708,"kali_year":4980,"ayanamsa_lahiri":22.1647,"grahas":{"sun":{"sidereal_longitude":309.905206,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":308.315606,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false,"latitude":2.0036},"mars":{"sidereal_longitude":260.89730600000007,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":302.50070600000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":301.766706,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":329.995406,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":340.429606,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":284.003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":104.003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","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":1879,"month":2,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2407401.770833,"kali_year":4980,"ahargana":1818936.2708,"sun":{"sidereal_longitude":310.3177,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":310.465,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":0.1473,"elapsed_within_tithi_degrees":0.1473},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2,"moon_longitude":310.465,"elapsed_within_degrees":3.7983},"yoga":{"number":20,"name":"Śiva","sum_longitude":260.7827},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.004,"elongation":0.147},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.004,"opposition_distance":179.853}},"eclipse_window_40days":[{"offset_days":-14,"type":"lunar","occurs":true,"moon_latitude":-0.753,"opposition_distance":1.725}]},"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":"06:52","sunsetLocal":"18:10","solarNoonLocal":"12:31","dayLengthHours":11.290370396826859,"dayLengthDisplay":"11 Hours 17 Mins 25 Secs","nightLengthDisplay":"12 Hours 42 Mins 35 Secs","moonriseLocal":"06:49","moonsetLocal":"18:01","rahuKala":{"name":"Rāhu Kāla","start":"11:06","end":"12:31","startHours":11.107361072750582,"endHours":12.518657372353939,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:20","end":"16:45","startHours":15.341249971560654,"endHours":16.75254627116401,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:17","end":"09:42","startHours":8.284768473543867,"endHours":9.696064773147224,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:30","end":"09:53","startHours":9.50789193320011,"endHours":9.884237613094339,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:21","end":"07:39","startHours":7.343904273808295,"endHours":7.644980817723678,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:09","end":"12:54","startHours":12.14231169245971,"endHours":12.895003052248168,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:22","end":"06:07","startHours":5.368089454363595,"endHours":6.120780814152052,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:56","end":"06:52","startHours":5.932607974204938,"endHours":6.87347217394051,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:24","end":"15:09","startHours":14.400385771825082,"endHours":15.15307713161354,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:58","end":"18:22","startHours":17.96384257076737,"endHours":18.363842570767368,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:10","end":"18:38","startHours":18.16384257076737,"endHours":18.634274670635154,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:55","end":"19:40","startHours":17.91384257076737,"endHours":19.66384257076737,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:09","end":"00:54","startHours":24.14231169245971,"endHours":24.895003052248168,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:52","end":"08:17","startHours":6.87347217394051,"endHours":8.284768473543867,"quality":"neutral"},{"name":"Labha","start":"08:17","end":"09:42","startHours":8.284768473543867,"endHours":9.696064773147224,"quality":"auspicious"},{"name":"Amṛta","start":"09:42","end":"11:06","startHours":9.696064773147224,"endHours":11.107361072750582,"quality":"auspicious"},{"name":"Kāla","start":"11:06","end":"12:31","startHours":11.107361072750582,"endHours":12.518657372353939,"quality":"inauspicious"},{"name":"Śubha","start":"12:31","end":"13:56","startHours":12.518657372353939,"endHours":13.929953671957296,"quality":"auspicious"},{"name":"Roga","start":"13:56","end":"15:20","startHours":13.929953671957296,"endHours":15.341249971560654,"quality":"inauspicious"},{"name":"Udveg","start":"15:20","end":"16:45","startHours":15.341249971560654,"endHours":16.75254627116401,"quality":"inauspicious"},{"name":"Chala","start":"16:45","end":"18:10","startHours":16.75254627116401,"endHours":18.16384257076737,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:10","end":"19:45","startHours":18.16384257076737,"endHours":19.75254627116401,"quality":"inauspicious"},{"name":"Udveg","start":"19:45","end":"21:20","startHours":19.75254627116401,"endHours":21.341249971560654,"quality":"inauspicious"},{"name":"Chala","start":"21:20","end":"22:56","startHours":21.341249971560654,"endHours":22.929953671957296,"quality":"neutral"},{"name":"Labha","start":"22:56","end":"00:31","startHours":22.929953671957296,"endHours":24.51865737235394,"quality":"auspicious"},{"name":"Amṛta","start":"00:31","end":"02:06","startHours":24.51865737235394,"endHours":26.10736107275058,"quality":"auspicious"},{"name":"Kāla","start":"02:06","end":"03:42","startHours":26.10736107275058,"endHours":27.696064773147224,"quality":"inauspicious"},{"name":"Śubha","start":"03:42","end":"05:17","startHours":27.696064773147224,"endHours":29.284768473543867,"quality":"auspicious"},{"name":"Roga","start":"05:17","end":"06:52","startHours":29.284768473543867,"endHours":30.87347217394051,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:52","end":"07:52","startHours":6.87347217394051,"endHours":7.87347217394051,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:52","end":"08:52","startHours":7.87347217394051,"endHours":8.87347217394051,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:52","end":"09:52","startHours":8.87347217394051,"endHours":9.87347217394051,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:52","end":"10:52","startHours":9.87347217394051,"endHours":10.87347217394051,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:52","end":"11:52","startHours":10.87347217394051,"endHours":11.87347217394051,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:52","end":"12:52","startHours":11.87347217394051,"endHours":12.87347217394051,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:52","end":"13:52","startHours":12.87347217394051,"endHours":13.87347217394051,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:52","end":"14:52","startHours":13.87347217394051,"endHours":14.87347217394051,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:52","end":"15:52","startHours":14.87347217394051,"endHours":15.87347217394051,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:52","end":"16:52","startHours":15.87347217394051,"endHours":16.87347217394051,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:52","end":"17:52","startHours":16.87347217394051,"endHours":17.87347217394051,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:52","end":"18:52","startHours":17.87347217394051,"endHours":18.87347217394051,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:52","end":"19:52","startHours":18.87347217394051,"endHours":19.87347217394051,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:52","end":"20:52","startHours":19.87347217394051,"endHours":20.87347217394051,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:52","end":"21:52","startHours":20.87347217394051,"endHours":21.87347217394051,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:52","end":"22:52","startHours":21.87347217394051,"endHours":22.87347217394051,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:52","end":"23:52","startHours":22.87347217394051,"endHours":23.87347217394051,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:52","end":"00:52","startHours":23.87347217394051,"endHours":24.87347217394051,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:52","end":"01:52","startHours":24.87347217394051,"endHours":25.87347217394051,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:52","end":"02:52","startHours":25.87347217394051,"endHours":26.87347217394051,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:52","end":"03:52","startHours":26.87347217394051,"endHours":27.87347217394051,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:52","end":"04:52","startHours":27.87347217394051,"endHours":28.87347217394051,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:52","end":"05:52","startHours":28.87347217394051,"endHours":29.87347217394051,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:52","end":"06:52","startHours":29.87347217394051,"endHours":30.87347217394051,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"South-East","anandadiYoga":{"name":"Utpāta","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-10.736670717841001,"eotMinutes":-14.189842341236304,"ayanamsa":22.1647}},"calendars":{"vikram_samvat":1936,"vikram_samvatsara":"Nandana","saka_samvat":1801,"saka_samvatsara":"Pramāthi","bengali_samvat":1286,"malayalam_era":1055,"nanakshahi_year":410,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Phālguna","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Śukla Pratipada · Vikram 1936 Nandana · Śaka 1801 Pramāthi"},"festivals":[],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 February 21, 1879 CE · Ṛṣikeśa · Vidhyamitra","description":"February 21, 1879 CE for Ṛṣikeśa: Śukla Pratipada, sūryodaya 06:52, sūryāsta 18:10.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1879-02-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1879-02-21","sa":"https://sa.vidhyamitra.com/city/rishikesh/1879-02-21","hi":"https://hi.vidhyamitra.com/city/rishikesh/1879-02-21","x-default":"https://vidhyamitra.com/city/rishikesh/1879-02-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T20:58:57.366Z","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":"2026-06-01T20:58:57.366Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T20:58:57.366Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}