{"id":"vidhyamitra:city-day:rishikesh:2108-07-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2108-07-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2108-07-17","date_display":"July 17, 2108 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":2108,"month":7,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2491188.770833,"kali_year":5210,"ahargana":1902723.2708,"sun":{"sidereal_longitude":88.629,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":194.3398,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":105.7108,"elapsed_within_tithi_degrees":9.7108},"nakshatra":{"number":15,"name":"Svātī","pada":3,"moon_longitude":194.3398,"elapsed_within_degrees":7.6731},"yoga":{"number":22,"name":"Sādhya","sum_longitude":282.9687},"karana":{"half_tithi_index":17,"name":"Kaulava"},"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":2108,"month":7,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2491188.770833,"ahargana":1902723.2708,"kali_year":5210,"ayanamsa_lahiri":25.3692,"grahas":{"sun":{"sidereal_longitude":89.32262700000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"moon":{"sidereal_longitude":195.93302700000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false,"latitude":2.233},"mars":{"sidereal_longitude":172.397827,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":96.43152700000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":71.67602699999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":42.118627000000004,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":269.48002700000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":164.5646,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":344.5646,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","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":2108,"month":7,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2491188.770833,"kali_year":5210,"ahargana":1902723.2708,"sun":{"sidereal_longitude":88.629,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":194.3398,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":105.7108,"elapsed_within_tithi_degrees":9.7108},"nakshatra":{"number":15,"name":"Svātī","pada":3,"moon_longitude":194.3398,"elapsed_within_degrees":7.6731},"yoga":{"number":22,"name":"Sādhya","sum_longitude":282.9687},"karana":{"half_tithi_index":17,"name":"Kaulava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.233,"elongation":105.711},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.233,"opposition_distance":74.289}},"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":"05:27","sunsetLocal":"19:19","solarNoonLocal":"12:23","dayLengthHours":13.871689889754013,"dayLengthDisplay":"13 Hours 52 Mins 18 Secs","nightLengthDisplay":"10 Hours 07 Mins 42 Secs","moonriseLocal":"14:03","moonsetLocal":"00:56","rahuKala":{"name":"Rāhu Kāla","start":"15:51","end":"17:35","startHours":15.846308854093483,"endHours":17.580270090312734,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:55","end":"10:39","startHours":8.910463909216476,"endHours":10.64442514543573,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:23","end":"14:07","startHours":12.37838638165498,"endHours":14.112347617874232,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:41","end":"09:08","startHours":8.679269077720576,"endHours":9.141658740712376,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:01","end":"06:23","startHours":6.020528515517723,"endHours":6.390440245911163,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:55","end":"12:50","startHours":11.915996718663179,"endHours":12.840776044646779,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:36","end":"04:31","startHours":3.5929827848107716,"endHours":4.517762110794372,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:17","end":"05:27","startHours":4.286567279298472,"endHours":5.442541436777973,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:41","end":"15:37","startHours":14.69033469661398,"endHours":15.61511402259758,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:07","end":"19:31","startHours":19.114231326531986,"endHours":19.514231326531984,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:19","end":"19:54","startHours":19.314231326531985,"endHours":19.892218405271734,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:04","end":"20:49","startHours":19.064231326531985,"endHours":20.814231326531985,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:55","end":"00:50","startHours":23.915996718663177,"endHours":24.840776044646777,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:27","end":"07:11","startHours":5.442541436777973,"endHours":7.176502672997225,"quality":"inauspicious"},{"name":"Udveg","start":"07:11","end":"08:55","startHours":7.176502672997225,"endHours":8.910463909216476,"quality":"inauspicious"},{"name":"Chala","start":"08:55","end":"10:39","startHours":8.910463909216476,"endHours":10.64442514543573,"quality":"neutral"},{"name":"Labha","start":"10:39","end":"12:23","startHours":10.64442514543573,"endHours":12.37838638165498,"quality":"auspicious"},{"name":"Amṛta","start":"12:23","end":"14:07","startHours":12.37838638165498,"endHours":14.112347617874232,"quality":"auspicious"},{"name":"Kāla","start":"14:07","end":"15:51","startHours":14.112347617874232,"endHours":15.846308854093483,"quality":"inauspicious"},{"name":"Śubha","start":"15:51","end":"17:35","startHours":15.846308854093483,"endHours":17.580270090312734,"quality":"auspicious"},{"name":"Roga","start":"17:35","end":"19:19","startHours":17.580270090312734,"endHours":19.314231326531985,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"19:19","end":"20:35","startHours":19.314231326531985,"endHours":20.580270090312734,"quality":"inauspicious"},{"name":"Śubha","start":"20:35","end":"21:51","startHours":20.580270090312734,"endHours":21.846308854093483,"quality":"auspicious"},{"name":"Roga","start":"21:51","end":"23:07","startHours":21.846308854093483,"endHours":23.11234761787423,"quality":"inauspicious"},{"name":"Udveg","start":"23:07","end":"00:23","startHours":23.11234761787423,"endHours":24.378386381654977,"quality":"inauspicious"},{"name":"Chala","start":"00:23","end":"01:39","startHours":24.378386381654977,"endHours":25.644425145435726,"quality":"neutral"},{"name":"Labha","start":"01:39","end":"02:55","startHours":25.644425145435726,"endHours":26.910463909216475,"quality":"auspicious"},{"name":"Amṛta","start":"02:55","end":"04:11","startHours":26.910463909216475,"endHours":28.176502672997223,"quality":"auspicious"},{"name":"Kāla","start":"04:11","end":"05:27","startHours":28.176502672997223,"endHours":29.442541436777972,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:27","end":"06:27","startHours":5.442541436777973,"endHours":6.442541436777973,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:27","end":"07:27","startHours":6.442541436777973,"endHours":7.442541436777973,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:27","end":"08:27","startHours":7.442541436777973,"endHours":8.442541436777972,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:27","end":"09:27","startHours":8.442541436777972,"endHours":9.442541436777972,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:27","end":"10:27","startHours":9.442541436777972,"endHours":10.442541436777972,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:27","end":"11:27","startHours":10.442541436777972,"endHours":11.442541436777972,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:27","end":"12:27","startHours":11.442541436777972,"endHours":12.442541436777972,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:27","end":"13:27","startHours":12.442541436777972,"endHours":13.442541436777972,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:27","end":"14:27","startHours":13.442541436777972,"endHours":14.442541436777972,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:27","end":"15:27","startHours":14.442541436777972,"endHours":15.442541436777972,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:27","end":"16:27","startHours":15.442541436777972,"endHours":16.442541436777972,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:27","end":"17:27","startHours":16.442541436777972,"endHours":17.442541436777972,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:27","end":"18:27","startHours":17.442541436777972,"endHours":18.442541436777972,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:27","end":"19:27","startHours":18.442541436777972,"endHours":19.442541436777972,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:27","end":"20:27","startHours":19.442541436777972,"endHours":20.442541436777972,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:27","end":"21:27","startHours":20.442541436777972,"endHours":21.442541436777972,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:27","end":"22:27","startHours":21.442541436777972,"endHours":22.442541436777972,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:27","end":"23:27","startHours":22.442541436777972,"endHours":23.442541436777972,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:27","end":"00:27","startHours":23.442541436777972,"endHours":24.442541436777972,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:27","end":"01:27","startHours":24.442541436777972,"endHours":25.442541436777972,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:27","end":"02:27","startHours":25.442541436777972,"endHours":26.442541436777972,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:27","end":"03:27","startHours":26.442541436777972,"endHours":27.442541436777972,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:27","end":"04:27","startHours":27.442541436777972,"endHours":28.442541436777972,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:27","end":"05:27","startHours":28.442541436777972,"endHours":29.442541436777972,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"North","rahuVasa":"North","anandadiYoga":{"name":"Gada","quality":"Inauspicious"},"drikRitu":"Grīṣma (Summer) (Drik)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":21.184165622639362,"eotMinutes":-5.773582899298716,"ayanamsa":25.3692}},"calendars":{"vikram_samvat":2165,"vikram_samvatsara":"Vṛṣa","saka_samvat":2030,"saka_samvatsara":"Vibhava","bengali_samvat":1515,"malayalam_era":1284,"nanakshahi_year":639,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Śukla Pakṣa","solar_month":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Śukla Navamī · Vikram 2165 Vṛṣa · Śaka 2030 Vibhava"},"festivals":[{"id":"mithuna-sankranti","name":"Mithuna Saṅkrānti","name_sanskrit":"मिथुन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Gemini.","vrata":false,"detection":{"sun_rashi":"Mithuna"},"precedence":5}],"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":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Śukla Navamī","url":"/day/-1626101-04-03","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 July 17, 2108 CE · Ṛṣikeśa · Vidhyamitra","description":"July 17, 2108 CE for Ṛṣikeśa: Śukla Navamī, sūryodaya 05:27, sūryāsta 19:19.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2108-07-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2108-07-17","sa":"https://sa.vidhyamitra.com/city/rishikesh/2108-07-17","hi":"https://hi.vidhyamitra.com/city/rishikesh/2108-07-17","x-default":"https://vidhyamitra.com/city/rishikesh/2108-07-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-21T23:34:42.062Z","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":"2026-05-21T23:34:42.062Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-21T23:34:42.062Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}