{"id":"vidhyamitra:city-day:rishikesh:1879-09-23:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1879-09-23","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1879-09-23","date_display":"September 23, 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":9,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2407615.770833,"kali_year":4981,"ahargana":1819150.2708,"sun":{"sidereal_longitude":157.002,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":246.689,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":89.6869,"elapsed_within_tithi_degrees":5.6869},"nakshatra":{"number":19,"name":"Mūla","pada":3,"moon_longitude":246.689,"elapsed_within_degrees":6.689},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":43.691},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":9,"day":23,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2407615.770833,"ahargana":1819150.2708,"kali_year":4981,"ayanamsa_lahiri":22.1729,"grahas":{"sun":{"sidereal_longitude":157.45293000000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":249.46203000000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false,"latitude":-1.9693},"mars":{"sidereal_longitude":36.97852999999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":true},"mercury":{"sidereal_longitude":148.45973000000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":314.1243300000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":160.78742999999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":true},"saturn":{"sidereal_longitude":352.17843,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":272.6643,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":92.6643,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","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":9,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2407615.770833,"kali_year":4981,"ahargana":1819150.2708,"sun":{"sidereal_longitude":157.002,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":246.689,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":89.6869,"elapsed_within_tithi_degrees":5.6869},"nakshatra":{"number":19,"name":"Mūla","pada":3,"moon_longitude":246.689,"elapsed_within_degrees":6.689},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":43.691},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.969,"elongation":89.687},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.969,"opposition_distance":90.313}},"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":"06:04","sunsetLocal":"18:13","solarNoonLocal":"12:08","dayLengthHours":12.139861266183793,"dayLengthDisplay":"12 Hours 08 Mins 24 Secs","nightLengthDisplay":"11 Hours 51 Mins 36 Secs","moonriseLocal":"13:12","moonsetLocal":"23:21","rahuKala":{"name":"Rāhu Kāla","start":"15:11","end":"16:42","startHours":15.176524749883193,"endHours":16.694007408156168,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:06","end":"10:37","startHours":9.106594116791296,"endHours":10.624076775064271,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:08","end":"13:40","startHours":12.141559433337246,"endHours":13.65904209161022,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:54","end":"09:19","startHours":8.904263095688233,"endHours":9.30892513789436,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:35","end":"06:54","startHours":6.577456353003007,"endHours":6.901185986767908,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:44","end":"12:33","startHours":11.73689739113112,"endHours":12.546221475543373,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:27","end":"05:16","startHours":4.452980631420843,"endHours":5.262304715833096,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:04","end":"06:04","startHours":5.059973694730033,"endHours":6.071628800245349,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:58","startHours":14.16486964436788,"endHours":14.974193728780133,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:01","end":"18:25","startHours":18.011490066429143,"endHours":18.411490066429142,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:13","end":"18:43","startHours":18.211490066429143,"endHours":18.7173176191868,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:58","end":"19:43","startHours":17.961490066429143,"endHours":19.711490066429143,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:44","end":"00:33","startHours":23.73689739113112,"endHours":24.546221475543373,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:04","end":"07:35","startHours":6.071628800245349,"endHours":7.589111458518323,"quality":"inauspicious"},{"name":"Udveg","start":"07:35","end":"09:06","startHours":7.589111458518323,"endHours":9.106594116791296,"quality":"inauspicious"},{"name":"Chala","start":"09:06","end":"10:37","startHours":9.106594116791296,"endHours":10.624076775064271,"quality":"neutral"},{"name":"Labha","start":"10:37","end":"12:08","startHours":10.624076775064271,"endHours":12.141559433337246,"quality":"auspicious"},{"name":"Amṛta","start":"12:08","end":"13:40","startHours":12.141559433337246,"endHours":13.65904209161022,"quality":"auspicious"},{"name":"Kāla","start":"13:40","end":"15:11","startHours":13.65904209161022,"endHours":15.176524749883193,"quality":"inauspicious"},{"name":"Śubha","start":"15:11","end":"16:42","startHours":15.176524749883193,"endHours":16.694007408156168,"quality":"auspicious"},{"name":"Roga","start":"16:42","end":"18:13","startHours":16.694007408156168,"endHours":18.211490066429143,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:13","end":"19:42","startHours":18.211490066429143,"endHours":19.694007408156168,"quality":"inauspicious"},{"name":"Śubha","start":"19:42","end":"21:11","startHours":19.694007408156168,"endHours":21.176524749883193,"quality":"auspicious"},{"name":"Roga","start":"21:11","end":"22:40","startHours":21.176524749883193,"endHours":22.65904209161022,"quality":"inauspicious"},{"name":"Udveg","start":"22:40","end":"00:08","startHours":22.65904209161022,"endHours":24.141559433337246,"quality":"inauspicious"},{"name":"Chala","start":"00:08","end":"01:37","startHours":24.141559433337246,"endHours":25.62407677506427,"quality":"neutral"},{"name":"Labha","start":"01:37","end":"03:06","startHours":25.62407677506427,"endHours":27.1065941167913,"quality":"auspicious"},{"name":"Amṛta","start":"03:06","end":"04:35","startHours":27.1065941167913,"endHours":28.589111458518325,"quality":"auspicious"},{"name":"Kāla","start":"04:35","end":"06:04","startHours":28.589111458518325,"endHours":30.07162880024535,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:04","end":"07:04","startHours":6.071628800245349,"endHours":7.071628800245349,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:04","end":"08:04","startHours":7.071628800245349,"endHours":8.07162880024535,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:04","end":"09:04","startHours":8.07162880024535,"endHours":9.07162880024535,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:04","end":"10:04","startHours":9.07162880024535,"endHours":10.07162880024535,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:04","end":"11:04","startHours":10.07162880024535,"endHours":11.07162880024535,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:04","end":"12:04","startHours":11.07162880024535,"endHours":12.07162880024535,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:04","end":"13:04","startHours":12.07162880024535,"endHours":13.07162880024535,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:04","end":"14:04","startHours":13.07162880024535,"endHours":14.07162880024535,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:04","end":"15:04","startHours":14.07162880024535,"endHours":15.07162880024535,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:04","end":"16:04","startHours":15.07162880024535,"endHours":16.07162880024535,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:04","end":"17:04","startHours":16.07162880024535,"endHours":17.07162880024535,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:04","end":"18:04","startHours":17.07162880024535,"endHours":18.07162880024535,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:04","end":"19:04","startHours":18.07162880024535,"endHours":19.07162880024535,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:04","end":"20:04","startHours":19.07162880024535,"endHours":20.07162880024535,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:04","end":"21:04","startHours":20.07162880024535,"endHours":21.07162880024535,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:04","end":"22:04","startHours":21.07162880024535,"endHours":22.07162880024535,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:04","end":"23:04","startHours":22.07162880024535,"endHours":23.07162880024535,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:04","end":"00:04","startHours":23.07162880024535,"endHours":24.07162880024535,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:04","end":"01:04","startHours":24.07162880024535,"endHours":25.07162880024535,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:04","end":"02:04","startHours":25.07162880024535,"endHours":26.07162880024535,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:04","end":"03:04","startHours":26.07162880024535,"endHours":27.07162880024535,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:04","end":"04:04","startHours":27.07162880024535,"endHours":28.07162880024535,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:04","end":"05:04","startHours":28.07162880024535,"endHours":29.07162880024535,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:04","end":"06:04","startHours":29.07162880024535,"endHours":30.07162880024535,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"North","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":0.1488186645328475,"eotMinutes":8.436033999765183,"ayanamsa":22.1729}},"calendars":{"vikram_samvat":1936,"vikram_samvatsara":"Nandana","saka_samvat":1801,"saka_samvatsara":"Pramāthi","bengali_samvat":1286,"malayalam_era":1055,"nanakshahi_year":410,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina (Adhika) Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Āśvina","lunar_month_is_adhika":true,"lunar_month_purnimanta_is_adhika":true,"lunar_month_amanta_is_adhika":true,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina (Adhika) Śukla Aṣṭamī · Vikram 1936 Nandana · Śaka 1801 Pramāthi"},"festivals":[],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","url":"/day/-3137-12-25","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 September 23, 1879 CE · Ṛṣikeśa · Vidhyamitra","description":"September 23, 1879 CE for Ṛṣikeśa: Śukla Aṣṭamī, sūryodaya 06:04, sūryāsta 18:13.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1879-09-23","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1879-09-23","sa":"https://sa.vidhyamitra.com/city/rishikesh/1879-09-23","hi":"https://hi.vidhyamitra.com/city/rishikesh/1879-09-23","x-default":"https://vidhyamitra.com/city/rishikesh/1879-09-23"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T17:22:05.451Z","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":"2026-05-31T17:22:05.451Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T17:22:05.451Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}