{"id":"vidhyamitra:city-day:rishikesh:1879-09-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1879-09-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1879-09-12","date_display":"September 12, 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":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2407604.770833,"kali_year":4981,"ahargana":1819139.2708,"sun":{"sidereal_longitude":146.2777,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":93.792,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":307.5143,"elapsed_within_tithi_degrees":7.5143},"nakshatra":{"number":8,"name":"Puṣya","pada":1,"moon_longitude":93.792,"elapsed_within_degrees":0.4587},"yoga":{"number":19,"name":"Parigha","sum_longitude":240.0697},"karana":{"half_tithi_index":51,"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":1879,"month":9,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2407604.770833,"ahargana":1819139.2708,"kali_year":4981,"ayanamsa_lahiri":22.1725,"grahas":{"sun":{"sidereal_longitude":146.70984999999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":93.17534999999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false,"latitude":-0.0428},"mars":{"sidereal_longitude":34.20005000000003,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":true},"mercury":{"sidereal_longitude":130.80814999999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":315.4165499999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":166.46825,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":true},"saturn":{"sidereal_longitude":352.96375,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":273.2471,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":93.2471,"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":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2407604.770833,"kali_year":4981,"ahargana":1819139.2708,"sun":{"sidereal_longitude":146.2777,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":93.792,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":307.5143,"elapsed_within_tithi_degrees":7.5143},"nakshatra":{"number":8,"name":"Puṣya","pada":1,"moon_longitude":93.792,"elapsed_within_degrees":0.4587},"yoga":{"number":19,"name":"Parigha","sum_longitude":240.0697},"karana":{"half_tithi_index":51,"name":"Bālava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.043,"elongation":52.486},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.043,"opposition_distance":127.514}},"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":"05:58","sunsetLocal":"18:27","solarNoonLocal":"12:13","dayLengthHours":12.469482092347299,"dayLengthDisplay":"12 Hours 28 Mins 10 Secs","nightLengthDisplay":"11 Hours 31 Mins 50 Secs","moonriseLocal":"01:44","moonsetLocal":"15:33","rahuKala":{"name":"Rāhu Kāla","start":"10:39","end":"12:13","startHours":10.650416145990164,"endHours":12.209101407533577,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:20","end":"16:53","startHours":15.326471930620402,"endHours":16.885157192163813,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:32","end":"09:06","startHours":7.53304562290334,"endHours":9.091730884446752,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:53","end":"09:18","startHours":8.88390618290763,"endHours":9.299555585985875,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:30","end":"06:50","startHours":6.493922115207732,"endHours":6.826441637670326,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:48","end":"12:37","startHours":11.793452004455334,"endHours":12.62475081061182,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:19","end":"05:09","startHours":4.311762749046954,"endHours":5.143061555203441,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:56","end":"05:58","startHours":4.935236853664319,"endHours":5.974360361359928,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:17","end":"15:07","startHours":14.287348422924794,"endHours":15.11864722908128,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:15","end":"18:39","startHours":18.243842453707227,"endHours":18.643842453707226,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:27","end":"18:58","startHours":18.443842453707227,"endHours":18.96340420755503,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:12","end":"19:57","startHours":18.193842453707227,"endHours":19.943842453707227,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:48","end":"00:37","startHours":23.793452004455332,"endHours":24.624750810611822,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:58","end":"07:32","startHours":5.974360361359928,"endHours":7.53304562290334,"quality":"neutral"},{"name":"Labha","start":"07:32","end":"09:06","startHours":7.53304562290334,"endHours":9.091730884446752,"quality":"auspicious"},{"name":"Amṛta","start":"09:06","end":"10:39","startHours":9.091730884446752,"endHours":10.650416145990164,"quality":"auspicious"},{"name":"Kāla","start":"10:39","end":"12:13","startHours":10.650416145990164,"endHours":12.209101407533577,"quality":"inauspicious"},{"name":"Śubha","start":"12:13","end":"13:46","startHours":12.209101407533577,"endHours":13.76778666907699,"quality":"auspicious"},{"name":"Roga","start":"13:46","end":"15:20","startHours":13.76778666907699,"endHours":15.326471930620402,"quality":"inauspicious"},{"name":"Udveg","start":"15:20","end":"16:53","startHours":15.326471930620402,"endHours":16.885157192163813,"quality":"inauspicious"},{"name":"Chala","start":"16:53","end":"18:27","startHours":16.885157192163813,"endHours":18.443842453707227,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:27","end":"19:53","startHours":18.443842453707227,"endHours":19.885157192163813,"quality":"inauspicious"},{"name":"Udveg","start":"19:53","end":"21:20","startHours":19.885157192163813,"endHours":21.3264719306204,"quality":"inauspicious"},{"name":"Chala","start":"21:20","end":"22:46","startHours":21.3264719306204,"endHours":22.76778666907699,"quality":"neutral"},{"name":"Labha","start":"22:46","end":"00:13","startHours":22.76778666907699,"endHours":24.209101407533577,"quality":"auspicious"},{"name":"Amṛta","start":"00:13","end":"01:39","startHours":24.209101407533577,"endHours":25.650416145990164,"quality":"auspicious"},{"name":"Kāla","start":"01:39","end":"03:06","startHours":25.650416145990164,"endHours":27.091730884446754,"quality":"inauspicious"},{"name":"Śubha","start":"03:06","end":"04:32","startHours":27.091730884446754,"endHours":28.53304562290334,"quality":"auspicious"},{"name":"Roga","start":"04:32","end":"05:58","startHours":28.53304562290334,"endHours":29.974360361359928,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:58","end":"06:58","startHours":5.974360361359928,"endHours":6.974360361359928,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:58","end":"07:58","startHours":6.974360361359928,"endHours":7.974360361359928,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:58","end":"08:58","startHours":7.974360361359928,"endHours":8.974360361359928,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:58","end":"09:58","startHours":8.974360361359928,"endHours":9.974360361359928,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:58","end":"10:58","startHours":9.974360361359928,"endHours":10.974360361359928,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:58","end":"11:58","startHours":10.974360361359928,"endHours":11.974360361359928,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:58","end":"12:58","startHours":11.974360361359928,"endHours":12.974360361359928,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:58","end":"13:58","startHours":12.974360361359928,"endHours":13.974360361359928,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:58","end":"14:58","startHours":13.974360361359928,"endHours":14.974360361359928,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:58","end":"15:58","startHours":14.974360361359928,"endHours":15.974360361359928,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:58","end":"16:58","startHours":15.974360361359928,"endHours":16.974360361359928,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:58","end":"17:58","startHours":16.974360361359928,"endHours":17.974360361359928,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:58","end":"18:58","startHours":17.974360361359928,"endHours":18.974360361359928,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:58","end":"19:58","startHours":18.974360361359928,"endHours":19.974360361359928,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:58","end":"20:58","startHours":19.974360361359928,"endHours":20.974360361359928,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:58","end":"21:58","startHours":20.974360361359928,"endHours":21.974360361359928,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:58","end":"22:58","startHours":21.974360361359928,"endHours":22.974360361359928,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:58","end":"23:58","startHours":22.974360361359928,"endHours":23.974360361359928,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:58","end":"00:58","startHours":23.974360361359928,"endHours":24.974360361359928,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:58","end":"01:58","startHours":24.974360361359928,"endHours":25.974360361359928,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:58","end":"02:58","startHours":25.974360361359928,"endHours":26.974360361359928,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:58","end":"03:58","startHours":26.974360361359928,"endHours":27.974360361359928,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:58","end":"04:58","startHours":27.974360361359928,"endHours":28.974360361359928,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:58","end":"05:58","startHours":28.974360361359928,"endHours":29.974360361359928,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"South-East","anandadiYoga":{"name":"Dhātṛ","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":4.398473353048587,"eotMinutes":4.383515547985428,"ayanamsa":22.1725}},"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 Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Siṃha (Āvaṇi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Ekādaśī · Vikram 1936 Nandana · Śaka 1801 Pramāthi"},"festivals":[{"id":"rama-ekadashi","name":"Ramā Ekādaśī","name_sanskrit":"रमा एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu (with Ramā = Lakṣmī)","significance":"Lakṣmī (Ramā) granted boon to King Mucukunda.","vrata":true,"detection":{"tithi_number":26,"tithi_paksha":"Kṛṣṇa","lunar_month":"Āśvina"},"precedence":4},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5}],"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 September 12, 1879 CE · Ṛṣikeśa · Vidhyamitra","description":"September 12, 1879 CE for Ṛṣikeśa: Kṛṣṇa Ekādaśī, sūryodaya 05:58, sūryāsta 18:27.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1879-09-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1879-09-12","sa":"https://sa.vidhyamitra.com/city/rishikesh/1879-09-12","hi":"https://hi.vidhyamitra.com/city/rishikesh/1879-09-12","x-default":"https://vidhyamitra.com/city/rishikesh/1879-09-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T22:19:09.739Z","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":"2026-05-31T22:19:09.739Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T22:19:09.739Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}