{"id":"vidhyamitra:city-day:rishikesh:2103-07-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2103-07-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2103-07-17","date_display":"July 17, 2103 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":2103,"month":7,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2489361.770833,"kali_year":5205,"ahargana":1900896.2708,"sun":{"sidereal_longitude":87.96,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":232.4154,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":144.4553,"elapsed_within_tithi_degrees":0.4553},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2,"moon_longitude":232.4154,"elapsed_within_degrees":5.7487},"yoga":{"number":25,"name":"Brahma","sum_longitude":320.3754},"karana":{"half_tithi_index":24,"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":2103,"month":7,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2489361.770833,"ahargana":1900896.2708,"kali_year":5205,"ayanamsa_lahiri":25.2993,"grahas":{"sun":{"sidereal_longitude":88.63703199999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"moon":{"sidereal_longitude":232.47913199999994,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false,"latitude":-2.1767},"mars":{"sidereal_longitude":30.922232000000008,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":113.35463199999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":266.1069319999999,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":95.13203199999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":true},"saturn":{"sidereal_longitude":209.096232,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":261.3678,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":81.3678,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"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":2103,"month":7,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2489361.770833,"kali_year":5205,"ahargana":1900896.2708,"sun":{"sidereal_longitude":87.96,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":232.4154,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":144.4553,"elapsed_within_tithi_degrees":0.4553},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2,"moon_longitude":232.4154,"elapsed_within_degrees":5.7487},"yoga":{"number":25,"name":"Brahma","sum_longitude":320.3754},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.177,"elongation":144.455},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.177,"opposition_distance":35.545}},"eclipse_window_40days":[{"offset_days":-13,"type":"solar","occurs":true,"moon_latitude":0.715,"elongation":2.753},{"offset_days":3,"type":"lunar","occurs":true,"moon_latitude":0.972,"opposition_distance":2.888}]},"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":"05:26","sunsetLocal":"19:19","solarNoonLocal":"12:23","dayLengthHours":13.883989205458528,"dayLengthDisplay":"13 Hours 53 Mins 02 Secs","nightLengthDisplay":"10 Hours 06 Mins 58 Secs","moonriseLocal":"16:52","moonsetLocal":"03:04","rahuKala":{"name":"Rāhu Kāla","start":"15:51","end":"17:35","startHours":15.849383683019612,"endHours":17.584882333701927,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:54","end":"10:39","startHours":8.907389080290347,"endHours":10.642887730972664,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:23","end":"14:07","startHours":12.37838638165498,"endHours":14.113885032337295,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:41","end":"09:08","startHours":8.675989260199373,"endHours":9.138788900381323,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:01","end":"06:23","startHours":6.014891329153154,"endHours":6.385131041298715,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:55","end":"12:50","startHours":11.915586741473028,"endHours":12.84118602183693,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:35","end":"04:31","startHours":3.5851932181979116,"endHours":4.5107924985618135,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:17","end":"05:26","startHours":4.279392678470838,"endHours":5.4363917789257155,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:42","end":"15:37","startHours":14.692384582564733,"endHours":15.617983862928634,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:07","end":"19:31","startHours":19.120380984384244,"endHours":19.520380984384243,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:19","end":"19:54","startHours":19.320380984384244,"endHours":19.89888053461168,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:04","end":"20:49","startHours":19.070380984384244,"endHours":20.820380984384244,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:55","end":"00:50","startHours":23.915586741473025,"endHours":24.84118602183693,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:26","end":"07:10","startHours":5.4363917789257155,"endHours":7.171890429608031,"quality":"inauspicious"},{"name":"Udveg","start":"07:10","end":"08:54","startHours":7.171890429608031,"endHours":8.907389080290347,"quality":"inauspicious"},{"name":"Chala","start":"08:54","end":"10:39","startHours":8.907389080290347,"endHours":10.642887730972664,"quality":"neutral"},{"name":"Labha","start":"10:39","end":"12:23","startHours":10.642887730972664,"endHours":12.37838638165498,"quality":"auspicious"},{"name":"Amṛta","start":"12:23","end":"14:07","startHours":12.37838638165498,"endHours":14.113885032337295,"quality":"auspicious"},{"name":"Kāla","start":"14:07","end":"15:51","startHours":14.113885032337295,"endHours":15.849383683019612,"quality":"inauspicious"},{"name":"Śubha","start":"15:51","end":"17:35","startHours":15.849383683019612,"endHours":17.584882333701927,"quality":"auspicious"},{"name":"Roga","start":"17:35","end":"19:19","startHours":17.584882333701927,"endHours":19.320380984384244,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"19:19","end":"20:35","startHours":19.320380984384244,"endHours":20.584882333701927,"quality":"inauspicious"},{"name":"Śubha","start":"20:35","end":"21:51","startHours":20.584882333701927,"endHours":21.84938368301961,"quality":"auspicious"},{"name":"Roga","start":"21:51","end":"23:07","startHours":21.84938368301961,"endHours":23.113885032337294,"quality":"inauspicious"},{"name":"Udveg","start":"23:07","end":"00:23","startHours":23.113885032337294,"endHours":24.37838638165498,"quality":"inauspicious"},{"name":"Chala","start":"00:23","end":"01:39","startHours":24.37838638165498,"endHours":25.642887730972664,"quality":"neutral"},{"name":"Labha","start":"01:39","end":"02:54","startHours":25.642887730972664,"endHours":26.907389080290347,"quality":"auspicious"},{"name":"Amṛta","start":"02:54","end":"04:10","startHours":26.907389080290347,"endHours":28.171890429608034,"quality":"auspicious"},{"name":"Kāla","start":"04:10","end":"05:26","startHours":28.171890429608034,"endHours":29.436391778925717,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:26","end":"06:26","startHours":5.4363917789257155,"endHours":6.4363917789257155,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:26","end":"07:26","startHours":6.4363917789257155,"endHours":7.4363917789257155,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:26","end":"08:26","startHours":7.4363917789257155,"endHours":8.436391778925715,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:26","end":"09:26","startHours":8.436391778925715,"endHours":9.436391778925715,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:26","end":"10:26","startHours":9.436391778925715,"endHours":10.436391778925715,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:26","end":"11:26","startHours":10.436391778925715,"endHours":11.436391778925715,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:26","end":"12:26","startHours":11.436391778925715,"endHours":12.436391778925715,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:26","end":"13:26","startHours":12.436391778925715,"endHours":13.436391778925715,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:26","end":"14:26","startHours":13.436391778925715,"endHours":14.436391778925715,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:26","end":"15:26","startHours":14.436391778925715,"endHours":15.436391778925715,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:26","end":"16:26","startHours":15.436391778925715,"endHours":16.436391778925717,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:26","end":"17:26","startHours":16.436391778925717,"endHours":17.436391778925717,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:26","end":"18:26","startHours":17.436391778925717,"endHours":18.436391778925717,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:26","end":"19:26","startHours":18.436391778925717,"endHours":19.436391778925717,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:26","end":"20:26","startHours":19.436391778925717,"endHours":20.436391778925717,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:26","end":"21:26","startHours":20.436391778925717,"endHours":21.436391778925717,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:26","end":"22:26","startHours":21.436391778925717,"endHours":22.436391778925717,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:26","end":"23:26","startHours":22.436391778925717,"endHours":23.436391778925717,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:26","end":"00:26","startHours":23.436391778925717,"endHours":24.436391778925717,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:26","end":"01:26","startHours":24.436391778925717,"endHours":25.436391778925717,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:26","end":"02:26","startHours":25.436391778925717,"endHours":26.436391778925717,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:26","end":"03:26","startHours":26.436391778925717,"endHours":27.436391778925717,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:26","end":"04:26","startHours":27.436391778925717,"endHours":28.436391778925717,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:26","end":"05:26","startHours":28.436391778925717,"endHours":29.436391778925717,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"North-East","rahuVasa":"North","anandadiYoga":{"name":"Cara","quality":"Auspicious"},"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":21.316912058114372,"eotMinutes":-5.773582899298716,"ayanamsa":25.2993}},"calendars":{"vikram_samvat":2160,"vikram_samvatsara":"Dhātṛ","saka_samvat":2025,"saka_samvatsara":"Rudhirodgāri","bengali_samvat":1510,"malayalam_era":1279,"nanakshahi_year":634,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Śukla Pakṣa","solar_month":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Śukla Trayodaśī · Vikram 2160 Dhātṛ · Śaka 2025 Rudhirodgāri"},"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},{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Jyeṣṭhā","url":"/day/-3137-10-20","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, 2103 CE · Ṛṣikeśa · Vidhyamitra","description":"July 17, 2103 CE for Ṛṣikeśa: Śukla Trayodaśī, sūryodaya 05:26, sūryāsta 19:19.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2103-07-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2103-07-17","sa":"https://sa.vidhyamitra.com/city/rishikesh/2103-07-17","hi":"https://hi.vidhyamitra.com/city/rishikesh/2103-07-17","x-default":"https://vidhyamitra.com/city/rishikesh/2103-07-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-21T08:45:49.299Z","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":"2026-05-21T08:45:49.299Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-21T08:45:49.299Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}