{"id":"vidhyamitra:city-day:rishikesh:1883-12-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1883-12-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1883-12-21","date_display":"December 21, 1883 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":1883,"month":12,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2409165.770833,"kali_year":4985,"ahargana":1820700.2708,"sun":{"sidereal_longitude":246.592,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":151.4785,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":264.8865,"elapsed_within_tithi_degrees":0.8865},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":151.4785,"elapsed_within_degrees":4.8118},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":38.0705},"karana":{"half_tithi_index":44,"name":"Bālava"},"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":1883,"month":12,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2409165.770833,"ahargana":1820700.2708,"kali_year":4985,"ayanamsa_lahiri":22.2322,"grahas":{"sun":{"sidereal_longitude":246.63780799999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"moon":{"sidereal_longitude":153.41760799999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false,"latitude":-2.8338},"mars":{"sidereal_longitude":121.356108,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":261.996408,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":102.11680799999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":true},"venus":{"sidereal_longitude":270.82950800000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":43.59240799999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":190.5378,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":10.5378,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","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":1883,"month":12,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2409165.770833,"kali_year":4985,"ahargana":1820700.2708,"sun":{"sidereal_longitude":246.592,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":151.4785,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":264.8865,"elapsed_within_tithi_degrees":0.8865},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":151.4785,"elapsed_within_degrees":4.8118},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":38.0705},"karana":{"half_tithi_index":44,"name":"Bālava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.834,"elongation":95.114},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.834,"opposition_distance":84.886}},"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":"07:09","sunsetLocal":"17:22","solarNoonLocal":"12:16","dayLengthHours":10.20517991468831,"dayLengthDisplay":"10 Hours 12 Mins 19 Secs","nightLengthDisplay":"13 Hours 47 Mins 41 Secs","moonriseLocal":"23:56","moonsetLocal":"12:09","rahuKala":{"name":"Rāhu Kāla","start":"10:59","end":"12:16","startHours":10.983468687214925,"endHours":12.259116176550965,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:49","end":"16:05","startHours":14.810411155223042,"endHours":16.08605864455908,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:26","end":"09:42","startHours":8.432173708542848,"endHours":9.707821197878886,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:32","end":"09:53","startHours":9.537734865967415,"endHours":9.877907529790358,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:35","end":"07:51","startHours":7.581742048985488,"endHours":7.853880180043843,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:55","end":"12:36","startHours":11.918943512728019,"endHours":12.599288840373907,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:48","end":"06:29","startHours":5.795835563915034,"endHours":6.476180891560921,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:18","end":"07:09","startHours":6.306094559649449,"endHours":7.156526219206809,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:58","end":"14:38","startHours":13.959979495665682,"endHours":14.64032482331157,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:10","end":"17:34","startHours":17.16170613389512,"endHours":17.561706133895118,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:22","end":"17:47","startHours":17.36170613389512,"endHours":17.786921963673798,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:07","end":"18:52","startHours":17.11170613389512,"endHours":18.86170613389512,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:55","end":"00:36","startHours":23.918943512728017,"endHours":24.599288840373905,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:09","end":"08:26","startHours":7.156526219206809,"endHours":8.432173708542848,"quality":"neutral"},{"name":"Labha","start":"08:26","end":"09:42","startHours":8.432173708542848,"endHours":9.707821197878886,"quality":"auspicious"},{"name":"Amṛta","start":"09:42","end":"10:59","startHours":9.707821197878886,"endHours":10.983468687214925,"quality":"auspicious"},{"name":"Kāla","start":"10:59","end":"12:16","startHours":10.983468687214925,"endHours":12.259116176550965,"quality":"inauspicious"},{"name":"Śubha","start":"12:16","end":"13:32","startHours":12.259116176550965,"endHours":13.534763665887002,"quality":"auspicious"},{"name":"Roga","start":"13:32","end":"14:49","startHours":13.534763665887002,"endHours":14.810411155223042,"quality":"inauspicious"},{"name":"Udveg","start":"14:49","end":"16:05","startHours":14.810411155223042,"endHours":16.08605864455908,"quality":"inauspicious"},{"name":"Chala","start":"16:05","end":"17:22","startHours":16.08605864455908,"endHours":17.36170613389512,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:22","end":"19:05","startHours":17.36170613389512,"endHours":19.08605864455908,"quality":"inauspicious"},{"name":"Udveg","start":"19:05","end":"20:49","startHours":19.08605864455908,"endHours":20.81041115522304,"quality":"inauspicious"},{"name":"Chala","start":"20:49","end":"22:32","startHours":20.81041115522304,"endHours":22.534763665887002,"quality":"neutral"},{"name":"Labha","start":"22:32","end":"00:16","startHours":22.534763665887002,"endHours":24.259116176550965,"quality":"auspicious"},{"name":"Amṛta","start":"00:16","end":"01:59","startHours":24.259116176550965,"endHours":25.983468687214923,"quality":"auspicious"},{"name":"Kāla","start":"01:59","end":"03:42","startHours":25.983468687214923,"endHours":27.707821197878886,"quality":"inauspicious"},{"name":"Śubha","start":"03:42","end":"05:26","startHours":27.707821197878886,"endHours":29.432173708542848,"quality":"auspicious"},{"name":"Roga","start":"05:26","end":"07:09","startHours":29.432173708542848,"endHours":31.15652621920681,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:09","end":"08:09","startHours":7.156526219206809,"endHours":8.156526219206809,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:09","end":"09:09","startHours":8.156526219206809,"endHours":9.156526219206809,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:09","end":"10:09","startHours":9.156526219206809,"endHours":10.156526219206809,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:09","end":"11:09","startHours":10.156526219206809,"endHours":11.156526219206809,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:09","end":"12:09","startHours":11.156526219206809,"endHours":12.156526219206809,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:09","end":"13:09","startHours":12.156526219206809,"endHours":13.156526219206809,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:09","end":"14:09","startHours":13.156526219206809,"endHours":14.156526219206809,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:09","end":"15:09","startHours":14.156526219206809,"endHours":15.156526219206809,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:09","end":"16:09","startHours":15.156526219206809,"endHours":16.15652621920681,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:09","end":"17:09","startHours":16.15652621920681,"endHours":17.15652621920681,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:09","end":"18:09","startHours":17.15652621920681,"endHours":18.15652621920681,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:09","end":"19:09","startHours":18.15652621920681,"endHours":19.15652621920681,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:09","end":"20:09","startHours":19.15652621920681,"endHours":20.15652621920681,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:09","end":"21:09","startHours":20.15652621920681,"endHours":21.15652621920681,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:09","end":"22:09","startHours":21.15652621920681,"endHours":22.15652621920681,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:09","end":"23:09","startHours":22.15652621920681,"endHours":23.15652621920681,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:09","end":"00:09","startHours":23.15652621920681,"endHours":24.15652621920681,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:09","end":"01:09","startHours":24.15652621920681,"endHours":25.15652621920681,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:09","end":"02:09","startHours":25.15652621920681,"endHours":26.15652621920681,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:09","end":"03:09","startHours":26.15652621920681,"endHours":27.15652621920681,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:09","end":"04:09","startHours":27.15652621920681,"endHours":28.15652621920681,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:09","end":"05:09","startHours":28.15652621920681,"endHours":29.15652621920681,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:09","end":"06:09","startHours":29.15652621920681,"endHours":30.15652621920681,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:09","end":"07:09","startHours":30.15652621920681,"endHours":31.15652621920681,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"North-West","rahuVasa":"South-East","anandadiYoga":{"name":"Prajāpati","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.43166985262969,"eotMinutes":1.382629406942221,"ayanamsa":22.2322}},"calendars":{"vikram_samvat":1940,"vikram_samvatsara":"Durmukhi","saka_samvat":1805,"saka_samvatsara":"Subhānu","bengali_samvat":1290,"malayalam_era":1059,"nanakshahi_year":414,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Aṣṭamī · Vikram 1940 Durmukhi · Śaka 1805 Subhānu"},"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":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Kṛṣṇa Aṣṭamī","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 December 21, 1883 CE · Ṛṣikeśa · Vidhyamitra","description":"December 21, 1883 CE for Ṛṣikeśa: Kṛṣṇa Aṣṭamī, sūryodaya 07:09, sūryāsta 17:22.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1883-12-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1883-12-21","sa":"https://sa.vidhyamitra.com/city/rishikesh/1883-12-21","hi":"https://hi.vidhyamitra.com/city/rishikesh/1883-12-21","x-default":"https://vidhyamitra.com/city/rishikesh/1883-12-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T15:36:42.700Z","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":"2026-06-01T15:36:42.700Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T15:36:42.700Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}