{"id":"vidhyamitra:city-day:rishikesh:2115-09-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2115-09-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2115-09-17","date_display":"September 17, 2115 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":2115,"month":9,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2493806.770833,"kali_year":5217,"ahargana":1905341.2708,"sun":{"sidereal_longitude":147.1848,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":131.4185,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":344.2337,"elapsed_within_tithi_degrees":8.2337},"nakshatra":{"number":10,"name":"Maghā","pada":4,"moon_longitude":131.4185,"elapsed_within_degrees":11.4185},"yoga":{"number":21,"name":"Siddha","sum_longitude":278.6032},"karana":{"half_tithi_index":57,"name":"Śakuni"},"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":2115,"month":9,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2493806.770833,"ahargana":1905341.2708,"kali_year":5217,"ayanamsa_lahiri":25.4694,"grahas":{"sun":{"sidereal_longitude":148.192,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":130.60699999999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false,"latitude":4.3346},"mars":{"sidereal_longitude":150.09210000000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":133.2679,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":265.1943,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":162.8379,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":356.8935,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":25.8503,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":205.8503,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"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":2115,"month":9,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2493806.770833,"kali_year":5217,"ahargana":1905341.2708,"sun":{"sidereal_longitude":147.1848,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":131.4185,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":344.2337,"elapsed_within_tithi_degrees":8.2337},"nakshatra":{"number":10,"name":"Maghā","pada":4,"moon_longitude":131.4185,"elapsed_within_degrees":11.4185},"yoga":{"number":21,"name":"Siddha","sum_longitude":278.6032},"karana":{"half_tithi_index":57,"name":"Śakuni"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.335,"elongation":15.766},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.335,"opposition_distance":164.234}},"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":"06:01","sunsetLocal":"18:20","solarNoonLocal":"12:11","dayLengthHours":12.323119849951333,"dayLengthDisplay":"12 Hours 19 Mins 23 Secs","nightLengthDisplay":"11 Hours 40 Mins 37 Secs","moonriseLocal":"04:36","moonsetLocal":"17:25","rahuKala":{"name":"Rāhu Kāla","start":"15:16","end":"16:48","startHours":15.258947233231703,"endHours":16.79933721447562,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:06","end":"10:38","startHours":9.097387308256037,"endHours":10.637777289499954,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:11","end":"13:43","startHours":12.17816727074387,"endHours":13.718557251987786,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:54","end":"09:18","startHours":8.892001977423515,"endHours":9.302772639088559,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:32","end":"06:52","startHours":6.53007067284951,"endHours":6.858687202181545,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:46","end":"12:35","startHours":11.767396609078826,"endHours":12.588937932408914,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:22","end":"05:12","startHours":4.373524699108026,"endHours":5.195066022438115,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:59","end":"06:01","startHours":4.989680691605592,"endHours":6.016607345768204,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:14","end":"15:03","startHours":14.232020579069093,"endHours":15.053561902399183,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:08","end":"18:32","startHours":18.139727195719537,"endHours":18.539727195719536,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:20","end":"18:51","startHours":18.339727195719536,"endHours":18.85319052280084,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:05","end":"19:50","startHours":18.089727195719536,"endHours":19.839727195719536,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:46","end":"00:35","startHours":23.767396609078826,"endHours":24.588937932408914,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:01","end":"07:33","startHours":6.016607345768204,"endHours":7.5569973270121205,"quality":"inauspicious"},{"name":"Udveg","start":"07:33","end":"09:06","startHours":7.5569973270121205,"endHours":9.097387308256037,"quality":"inauspicious"},{"name":"Chala","start":"09:06","end":"10:38","startHours":9.097387308256037,"endHours":10.637777289499954,"quality":"neutral"},{"name":"Labha","start":"10:38","end":"12:11","startHours":10.637777289499954,"endHours":12.17816727074387,"quality":"auspicious"},{"name":"Amṛta","start":"12:11","end":"13:43","startHours":12.17816727074387,"endHours":13.718557251987786,"quality":"auspicious"},{"name":"Kāla","start":"13:43","end":"15:16","startHours":13.718557251987786,"endHours":15.258947233231703,"quality":"inauspicious"},{"name":"Śubha","start":"15:16","end":"16:48","startHours":15.258947233231703,"endHours":16.79933721447562,"quality":"auspicious"},{"name":"Roga","start":"16:48","end":"18:20","startHours":16.79933721447562,"endHours":18.339727195719536,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:20","end":"19:48","startHours":18.339727195719536,"endHours":19.79933721447562,"quality":"inauspicious"},{"name":"Śubha","start":"19:48","end":"21:16","startHours":19.79933721447562,"endHours":21.2589472332317,"quality":"auspicious"},{"name":"Roga","start":"21:16","end":"22:43","startHours":21.2589472332317,"endHours":22.718557251987786,"quality":"inauspicious"},{"name":"Udveg","start":"22:43","end":"00:11","startHours":22.718557251987786,"endHours":24.17816727074387,"quality":"inauspicious"},{"name":"Chala","start":"00:11","end":"01:38","startHours":24.17816727074387,"endHours":25.637777289499954,"quality":"neutral"},{"name":"Labha","start":"01:38","end":"03:06","startHours":25.637777289499954,"endHours":27.09738730825604,"quality":"auspicious"},{"name":"Amṛta","start":"03:06","end":"04:33","startHours":27.09738730825604,"endHours":28.55699732701212,"quality":"auspicious"},{"name":"Kāla","start":"04:33","end":"06:01","startHours":28.55699732701212,"endHours":30.016607345768204,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:01","end":"07:01","startHours":6.016607345768204,"endHours":7.016607345768204,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:01","end":"08:01","startHours":7.016607345768204,"endHours":8.016607345768204,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:01","end":"09:01","startHours":8.016607345768204,"endHours":9.016607345768204,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:01","end":"10:01","startHours":9.016607345768204,"endHours":10.016607345768204,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:01","end":"11:01","startHours":10.016607345768204,"endHours":11.016607345768204,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:01","end":"12:01","startHours":11.016607345768204,"endHours":12.016607345768204,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:01","end":"13:01","startHours":12.016607345768204,"endHours":13.016607345768204,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:01","end":"14:01","startHours":13.016607345768204,"endHours":14.016607345768204,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:01","end":"15:01","startHours":14.016607345768204,"endHours":15.016607345768204,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:01","end":"16:01","startHours":15.016607345768204,"endHours":16.016607345768204,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:01","end":"17:01","startHours":16.016607345768204,"endHours":17.016607345768204,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:01","end":"18:01","startHours":17.016607345768204,"endHours":18.016607345768204,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:01","end":"19:01","startHours":18.016607345768204,"endHours":19.016607345768204,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:01","end":"20:01","startHours":19.016607345768204,"endHours":20.016607345768204,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:01","end":"21:01","startHours":20.016607345768204,"endHours":21.016607345768204,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:01","end":"22:01","startHours":21.016607345768204,"endHours":22.016607345768204,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:01","end":"23:01","startHours":22.016607345768204,"endHours":23.016607345768204,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:01","end":"00:01","startHours":23.016607345768204,"endHours":24.016607345768204,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:01","end":"01:01","startHours":24.016607345768204,"endHours":25.016607345768204,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:01","end":"02:01","startHours":25.016607345768204,"endHours":26.016607345768204,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:01","end":"03:01","startHours":26.016607345768204,"endHours":27.016607345768204,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:01","end":"04:01","startHours":27.016607345768204,"endHours":28.016607345768204,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:01","end":"05:01","startHours":28.016607345768204,"endHours":29.016607345768204,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:01","end":"06:01","startHours":29.016607345768204,"endHours":30.016607345768204,"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","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"West","rahuVasa":"North","anandadiYoga":{"name":"Kāṇa","quality":"Inauspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":2.516736856931568,"eotMinutes":6.239563755367786,"ayanamsa":25.4694}},"calendars":{"vikram_samvat":2172,"vikram_samvatsara":"Sarvadhāri","saka_samvat":2037,"saka_samvatsara":"Yuva","bengali_samvat":1522,"malayalam_era":1291,"nanakshahi_year":646,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Caturdaśī · Vikram 2172 Sarvadhāri · Śaka 2037 Yuva"},"festivals":[{"id":"simha-sankranti","name":"Siṁha Saṅkrānti","name_sanskrit":"सिंह सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Leo.","vrata":false,"detection":{"sun_rashi":"Siṃha"},"precedence":5},{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"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":[]},"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 17, 2115 CE · Ṛṣikeśa · Vidhyamitra","description":"September 17, 2115 CE for Ṛṣikeśa: Kṛṣṇa Caturdaśī, sūryodaya 06:01, sūryāsta 18:20.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2115-09-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2115-09-17","sa":"https://sa.vidhyamitra.com/city/rishikesh/2115-09-17","hi":"https://hi.vidhyamitra.com/city/rishikesh/2115-09-17","x-default":"https://vidhyamitra.com/city/rishikesh/2115-09-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-22T11:15:25.832Z","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":"2026-05-22T11:15:25.832Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-22T11:15:25.832Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}