{"id":"vidhyamitra:city-day:rishikesh:1986-07-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1986-07-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1986-07-17","date_display":"July 17, 1986 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":1986,"month":7,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446628.770833,"kali_year":5088,"ahargana":1858163.2708,"sun":{"sidereal_longitude":90.1146,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":211.9005,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":121.7858,"elapsed_within_tithi_degrees":1.7858},"nakshatra":{"number":16,"name":"Viśākhā","pada":4,"moon_longitude":211.9005,"elapsed_within_degrees":11.9005},"yoga":{"number":23,"name":"Śubha","sum_longitude":302.0151},"karana":{"half_tithi_index":20,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":1986,"month":7,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2446628.770833,"ahargana":1858163.2708,"kali_year":5088,"ayanamsa_lahiri":23.665,"grahas":{"sun":{"sidereal_longitude":90.524746,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"moon":{"sidereal_longitude":209.39574599999992,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false,"latitude":-1.9945},"mars":{"sidereal_longitude":262.23984599999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":true},"mercury":{"sidereal_longitude":100.977146,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":329.98264599999993,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":132.570646,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":219.41904599999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":5.5678,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":185.5678,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","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":1986,"month":7,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446628.770833,"kali_year":5088,"ahargana":1858163.2708,"sun":{"sidereal_longitude":90.1146,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":211.9005,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":121.7858,"elapsed_within_tithi_degrees":1.7858},"nakshatra":{"number":16,"name":"Viśākhā","pada":4,"moon_longitude":211.9005,"elapsed_within_degrees":11.9005},"yoga":{"number":23,"name":"Śubha","sum_longitude":302.0151},"karana":{"half_tithi_index":20,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.994,"elongation":121.786},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.994,"opposition_distance":58.214}},"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":"05:26","sunsetLocal":"19:19","solarNoonLocal":"12:23","dayLengthHours":13.879899368550571,"dayLengthDisplay":"13 Hours 52 Mins 48 Secs","nightLengthDisplay":"10 Hours 07 Mins 12 Secs","moonriseLocal":"15:00","moonsetLocal":"01:36","rahuKala":{"name":"Rāhu Kāla","start":"14:07","end":"15:51","startHours":14.1133738027238,"endHours":15.848361223792622,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:26","end":"07:10","startHours":5.438436697379694,"endHours":7.173424118448516,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:55","end":"10:39","startHours":8.908411539517337,"endHours":10.643398960586158,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:41","end":"09:08","startHours":8.677079883374827,"endHours":9.139743195659847,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:01","end":"06:23","startHours":6.016765837735967,"endHours":6.386896487563982,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:55","end":"12:50","startHours":11.91572306936996,"endHours":12.841049693939997,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:35","end":"04:31","startHours":3.587783448239618,"endHours":4.513110072809655,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:17","end":"05:26","startHours":4.281778416667146,"endHours":5.438436697379694,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:42","end":"15:37","startHours":14.691702943080074,"endHours":15.617029567650112,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:07","end":"19:31","startHours":19.118336065930265,"endHours":19.518336065930264,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:19","end":"19:54","startHours":19.318336065930264,"endHours":19.89666520628654,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:04","end":"20:49","startHours":19.068336065930264,"endHours":20.818336065930264,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:55","end":"00:50","startHours":23.915723069369957,"endHours":24.841049693939997,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:26","end":"07:10","startHours":5.438436697379694,"endHours":7.173424118448516,"quality":"auspicious"},{"name":"Roga","start":"07:10","end":"08:55","startHours":7.173424118448516,"endHours":8.908411539517337,"quality":"inauspicious"},{"name":"Udveg","start":"08:55","end":"10:39","startHours":8.908411539517337,"endHours":10.643398960586158,"quality":"inauspicious"},{"name":"Chala","start":"10:39","end":"12:23","startHours":10.643398960586158,"endHours":12.37838638165498,"quality":"neutral"},{"name":"Labha","start":"12:23","end":"14:07","startHours":12.37838638165498,"endHours":14.1133738027238,"quality":"auspicious"},{"name":"Amṛta","start":"14:07","end":"15:51","startHours":14.1133738027238,"endHours":15.848361223792622,"quality":"auspicious"},{"name":"Kāla","start":"15:51","end":"17:35","startHours":15.848361223792622,"endHours":17.583348644861445,"quality":"inauspicious"},{"name":"Śubha","start":"17:35","end":"19:19","startHours":17.583348644861445,"endHours":19.318336065930264,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"19:19","end":"20:35","startHours":19.318336065930264,"endHours":20.58334864486144,"quality":"auspicious"},{"name":"Kāla","start":"20:35","end":"21:51","startHours":20.58334864486144,"endHours":21.848361223792622,"quality":"inauspicious"},{"name":"Śubha","start":"21:51","end":"23:07","startHours":21.848361223792622,"endHours":23.1133738027238,"quality":"auspicious"},{"name":"Roga","start":"23:07","end":"00:23","startHours":23.1133738027238,"endHours":24.378386381654977,"quality":"inauspicious"},{"name":"Udveg","start":"00:23","end":"01:39","startHours":24.378386381654977,"endHours":25.643398960586158,"quality":"inauspicious"},{"name":"Chala","start":"01:39","end":"02:55","startHours":25.643398960586158,"endHours":26.908411539517335,"quality":"neutral"},{"name":"Labha","start":"02:55","end":"04:10","startHours":26.908411539517335,"endHours":28.173424118448516,"quality":"auspicious"},{"name":"Amṛta","start":"04:10","end":"05:26","startHours":28.173424118448516,"endHours":29.438436697379693,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:26","end":"06:26","startHours":5.438436697379694,"endHours":6.438436697379694,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:26","end":"07:26","startHours":6.438436697379694,"endHours":7.438436697379694,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:26","end":"08:26","startHours":7.438436697379694,"endHours":8.438436697379693,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:26","end":"09:26","startHours":8.438436697379693,"endHours":9.438436697379693,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:26","end":"10:26","startHours":9.438436697379693,"endHours":10.438436697379693,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:26","end":"11:26","startHours":10.438436697379693,"endHours":11.438436697379693,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:26","end":"12:26","startHours":11.438436697379693,"endHours":12.438436697379693,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:26","end":"13:26","startHours":12.438436697379693,"endHours":13.438436697379693,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:26","end":"14:26","startHours":13.438436697379693,"endHours":14.438436697379693,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:26","end":"15:26","startHours":14.438436697379693,"endHours":15.438436697379693,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:26","end":"16:26","startHours":15.438436697379693,"endHours":16.438436697379693,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:26","end":"17:26","startHours":16.438436697379693,"endHours":17.438436697379693,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:26","end":"18:26","startHours":17.438436697379693,"endHours":18.438436697379693,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:26","end":"19:26","startHours":18.438436697379693,"endHours":19.438436697379693,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:26","end":"20:26","startHours":19.438436697379693,"endHours":20.438436697379693,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:26","end":"21:26","startHours":20.438436697379693,"endHours":21.438436697379693,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:26","end":"22:26","startHours":21.438436697379693,"endHours":22.438436697379693,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:26","end":"23:26","startHours":22.438436697379693,"endHours":23.438436697379693,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:26","end":"00:26","startHours":23.438436697379693,"endHours":24.438436697379693,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:26","end":"01:26","startHours":24.438436697379693,"endHours":25.438436697379693,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:26","end":"02:26","startHours":25.438436697379693,"endHours":26.438436697379693,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:26","end":"03:26","startHours":26.438436697379693,"endHours":27.438436697379693,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:26","end":"04:26","startHours":27.438436697379693,"endHours":28.438436697379693,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:26","end":"05:26","startHours":28.438436697379693,"endHours":29.438436697379693,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"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":"South (Dakṣiṇa)","chandraVasa":"North","rahuVasa":"North-West","anandadiYoga":{"name":"Prajāpati","quality":"Auspicious"},"drikRitu":"Grīṣma (Summer)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":21.272803889164155,"eotMinutes":-5.773582899298716,"ayanamsa":23.665}},"calendars":{"vikram_samvat":2043,"vikram_samvatsara":"Pramāthi","saka_samvat":1908,"saka_samvatsara":"Akṣaya","bengali_samvat":1393,"malayalam_era":1162,"nanakshahi_year":517,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Ekādaśī · Vikram 2043 Pramāthi · Śaka 1908 Akṣaya"},"festivals":[{"id":"karka-sankranti","name":"Karka Saṅkrānti (Dakṣiṇāyana)","name_sanskrit":"कर्क सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Cancer; Dakṣiṇāyana (south-going) begins. Devatā-rātri begins.","vrata":true,"detection":{"sun_rashi":"Karka"},"precedence":2},{"id":"pavitropana-ekadashi","name":"Pavitropanā Ekādaśī (Putradā)","name_sanskrit":"पवित्रोपना एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Confers son; pavitra (sacred thread) ceremony for Viṣṇu.","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Śrāvaṇa"},"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":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","url":"/day/-0562-04-11","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, 1986 CE · Ṛṣikeśa · Vidhyamitra","description":"July 17, 1986 CE for Ṛṣikeśa: Śukla Ekādaśī, sūryodaya 05:26, sūryāsta 19:19.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1986-07-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1986-07-17","sa":"https://sa.vidhyamitra.com/city/rishikesh/1986-07-17","hi":"https://hi.vidhyamitra.com/city/rishikesh/1986-07-17","x-default":"https://vidhyamitra.com/city/rishikesh/1986-07-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T15:12:28.666Z","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":"2026-05-18T15:12:28.666Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-18T15:12:28.666Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}