{"id":"vidhyamitra:city-day:rishikesh:1877-03-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1877-03-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1877-03-21","date_display":"March 21, 1877 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":1877,"month":3,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2406699.770833,"kali_year":4978,"ahargana":1818234.2708,"sun":{"sidereal_longitude":338.8702,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":51.6224,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":72.7523,"elapsed_within_tithi_degrees":0.7523},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4,"moon_longitude":51.6224,"elapsed_within_degrees":11.6224},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":30.4926},"karana":{"half_tithi_index":12,"name":"Gara"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":1877,"month":3,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2406699.770833,"ahargana":1818234.2708,"kali_year":4978,"ayanamsa_lahiri":22.1378,"grahas":{"sun":{"sidereal_longitude":338.408528,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":49.102328,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false,"latitude":4.4999},"mars":{"sidereal_longitude":262.16482799999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":324.94462799999997,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":251.67242800000008,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"venus":{"sidereal_longitude":328.009228,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":321.98232800000005,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":321.1984,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":141.1984,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","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":1877,"month":3,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2406699.770833,"kali_year":4978,"ahargana":1818234.2708,"sun":{"sidereal_longitude":338.8702,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":51.6224,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":72.7523,"elapsed_within_tithi_degrees":0.7523},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4,"moon_longitude":51.6224,"elapsed_within_degrees":11.6224},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":30.4926},"karana":{"half_tithi_index":12,"name":"Gara"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.5,"elongation":72.752},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.5,"opposition_distance":107.248}},"eclipse_window_40days":[{"offset_days":-6,"type":"solar","occurs":true,"moon_latitude":0.815,"elongation":0.943}]},"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":"06:20","sunsetLocal":"18:29","solarNoonLocal":"12:25","dayLengthHours":12.145152105486877,"dayLengthDisplay":"12 Hours 08 Mins 43 Secs","nightLengthDisplay":"11 Hours 51 Mins 17 Secs","moonriseLocal":"10:10","moonsetLocal":"00:05","rahuKala":{"name":"Rāhu Kāla","start":"12:25","end":"13:56","startHours":12.412873427028789,"endHours":13.93101744021465,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:52","end":"09:23","startHours":7.858441387471211,"endHours":9.37658540065707,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:54","end":"12:25","startHours":10.89472941384293,"endHours":12.412873427028789,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:10","end":"09:35","startHours":9.174166198898956,"endHours":9.579004602415186,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:51","end":"07:10","startHours":6.846345378680637,"endHours":7.1702161014936205,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:00","end":"12:49","startHours":12.00803502351256,"endHours":12.81771183054502,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:43","end":"05:32","startHours":4.720943760220434,"endHours":5.5306205672528925,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:20","end":"06:20","startHours":5.3282013654947775,"endHours":6.340297374285351,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:26","end":"15:15","startHours":14.437065444609935,"endHours":15.246742251642393,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:17","end":"18:41","startHours":18.28544947977223,"endHours":18.685449479772227,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:29","end":"18:59","startHours":18.485449479772228,"endHours":18.991497484167514,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:14","end":"19:59","startHours":18.235449479772228,"endHours":19.985449479772228,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:00","end":"00:49","startHours":24.008035023512562,"endHours":24.817711830545022,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:20","end":"07:52","startHours":6.340297374285351,"endHours":7.858441387471211,"quality":"auspicious"},{"name":"Amṛta","start":"07:52","end":"09:23","startHours":7.858441387471211,"endHours":9.37658540065707,"quality":"auspicious"},{"name":"Kāla","start":"09:23","end":"10:54","startHours":9.37658540065707,"endHours":10.89472941384293,"quality":"inauspicious"},{"name":"Śubha","start":"10:54","end":"12:25","startHours":10.89472941384293,"endHours":12.412873427028789,"quality":"auspicious"},{"name":"Roga","start":"12:25","end":"13:56","startHours":12.412873427028789,"endHours":13.93101744021465,"quality":"inauspicious"},{"name":"Udveg","start":"13:56","end":"15:27","startHours":13.93101744021465,"endHours":15.449161453400508,"quality":"inauspicious"},{"name":"Chala","start":"15:27","end":"16:58","startHours":15.449161453400508,"endHours":16.967305466586367,"quality":"neutral"},{"name":"Labha","start":"16:58","end":"18:29","startHours":16.967305466586367,"endHours":18.485449479772228,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:29","end":"19:58","startHours":18.485449479772228,"endHours":19.967305466586367,"quality":"inauspicious"},{"name":"Chala","start":"19:58","end":"21:27","startHours":19.967305466586367,"endHours":21.44916145340051,"quality":"neutral"},{"name":"Labha","start":"21:27","end":"22:56","startHours":21.44916145340051,"endHours":22.93101744021465,"quality":"auspicious"},{"name":"Amṛta","start":"22:56","end":"00:25","startHours":22.93101744021465,"endHours":24.41287342702879,"quality":"auspicious"},{"name":"Kāla","start":"00:25","end":"01:54","startHours":24.41287342702879,"endHours":25.89472941384293,"quality":"inauspicious"},{"name":"Śubha","start":"01:54","end":"03:23","startHours":25.89472941384293,"endHours":27.37658540065707,"quality":"auspicious"},{"name":"Roga","start":"03:23","end":"04:52","startHours":27.37658540065707,"endHours":28.85844138747121,"quality":"inauspicious"},{"name":"Udveg","start":"04:52","end":"06:20","startHours":28.85844138747121,"endHours":30.34029737428535,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:20","end":"07:20","startHours":6.340297374285351,"endHours":7.340297374285351,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:20","end":"08:20","startHours":7.340297374285351,"endHours":8.34029737428535,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:20","end":"09:20","startHours":8.34029737428535,"endHours":9.34029737428535,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:20","end":"10:20","startHours":9.34029737428535,"endHours":10.34029737428535,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:20","end":"11:20","startHours":10.34029737428535,"endHours":11.34029737428535,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:20","end":"12:20","startHours":11.34029737428535,"endHours":12.34029737428535,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:20","end":"13:20","startHours":12.34029737428535,"endHours":13.34029737428535,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:20","end":"14:20","startHours":13.34029737428535,"endHours":14.34029737428535,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:20","end":"15:20","startHours":14.34029737428535,"endHours":15.34029737428535,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:20","end":"16:20","startHours":15.34029737428535,"endHours":16.34029737428535,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:20","end":"17:20","startHours":16.34029737428535,"endHours":17.34029737428535,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:20","end":"18:20","startHours":17.34029737428535,"endHours":18.34029737428535,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:20","end":"19:20","startHours":18.34029737428535,"endHours":19.34029737428535,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:20","end":"20:20","startHours":19.34029737428535,"endHours":20.34029737428535,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:20","end":"21:20","startHours":20.34029737428535,"endHours":21.34029737428535,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:20","end":"22:20","startHours":21.34029737428535,"endHours":22.34029737428535,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:20","end":"23:20","startHours":22.34029737428535,"endHours":23.34029737428535,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:20","end":"00:20","startHours":23.34029737428535,"endHours":24.34029737428535,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:20","end":"01:20","startHours":24.34029737428535,"endHours":25.34029737428535,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:20","end":"02:20","startHours":25.34029737428535,"endHours":26.34029737428535,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:20","end":"03:20","startHours":26.34029737428535,"endHours":27.34029737428535,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:20","end":"04:20","startHours":27.34029737428535,"endHours":28.34029737428535,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:20","end":"05:20","startHours":28.34029737428535,"endHours":29.34029737428535,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:20","end":"06:20","startHours":29.34029737428535,"endHours":30.34029737428535,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"South-West","anandadiYoga":{"name":"Utpāta","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":0.21728960819729867,"eotMinutes":-7.842805621727393,"ayanamsa":22.1378}},"calendars":{"vikram_samvat":1934,"vikram_samvatsara":"Vikṛti","saka_samvat":1799,"saka_samvatsara":"Īśvara","bengali_samvat":1284,"malayalam_era":1053,"nanakshahi_year":408,"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":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Saptamī · Vikram 1934 Vikṛti · Śaka 1799 Īśvara"},"festivals":[],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Rohiṇī","url":"/day/-3226-07-09","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 March 21, 1877 CE · Ṛṣikeśa · Vidhyamitra","description":"March 21, 1877 CE for Ṛṣikeśa: Śukla Saptamī, sūryodaya 06:20, sūryāsta 18:29.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1877-03-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1877-03-21","sa":"https://sa.vidhyamitra.com/city/rishikesh/1877-03-21","hi":"https://hi.vidhyamitra.com/city/rishikesh/1877-03-21","x-default":"https://vidhyamitra.com/city/rishikesh/1877-03-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T12:24:18.253Z","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":"2026-06-01T12:24:18.253Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T12:24:18.253Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}