{"id":"vidhyamitra:city-day:rishikesh:1986-06-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1986-06-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1986-06-18","date_display":"June 18, 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":6,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446599.770833,"kali_year":5088,"ahargana":1858134.2708,"sun":{"sidereal_longitude":62.657,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":188.1505,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":125.4935,"elapsed_within_tithi_degrees":5.4935},"nakshatra":{"number":15,"name":"Svātī","pada":1,"moon_longitude":188.1505,"elapsed_within_degrees":1.4839},"yoga":{"number":19,"name":"Parigha","sum_longitude":250.8076},"karana":{"half_tithi_index":20,"name":"Vaṇija"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":6,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2446599.770833,"ahargana":1858134.2708,"kali_year":5088,"ayanamsa_lahiri":23.6639,"grahas":{"sun":{"sidereal_longitude":62.867853999999966,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":185.44455400000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false,"latitude":-0.0821},"mars":{"sidereal_longitude":269.12285399999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":true},"mercury":{"sidereal_longitude":86.88205399999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":329.04825400000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":99.18715400000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":220.90865400000007,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":7.1044,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":187.1044,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","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":1986,"month":6,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446599.770833,"kali_year":5088,"ahargana":1858134.2708,"sun":{"sidereal_longitude":62.657,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":188.1505,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":125.4935,"elapsed_within_tithi_degrees":5.4935},"nakshatra":{"number":15,"name":"Svātī","pada":1,"moon_longitude":188.1505,"elapsed_within_degrees":1.4839},"yoga":{"number":19,"name":"Parigha","sum_longitude":250.8076},"karana":{"half_tithi_index":20,"name":"Vaṇija"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.082,"elongation":125.494},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.082,"opposition_distance":54.506}},"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":"05:15","sunsetLocal":"19:20","solarNoonLocal":"12:18","dayLengthHours":14.079970865942437,"dayLengthDisplay":"14 Hours 04 Mins 48 Secs","nightLengthDisplay":"9 Hours 55 Mins 12 Secs","moonriseLocal":"14:52","moonsetLocal":"02:05","rahuKala":{"name":"Rāhu Kāla","start":"12:18","end":"14:03","startHours":12.295770561114995,"endHours":14.055766919357799,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:01","end":"08:47","startHours":7.01578148638658,"endHours":8.775777844629385,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:32","end":"12:18","startHours":10.53577420287219,"endHours":12.295770561114995,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:32","end":"09:01","startHours":8.541111663530344,"endHours":9.010444025728425,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:51","end":"06:13","startHours":5.842450580891377,"endHours":6.217916470649842,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:46","startHours":11.826438198916915,"endHours":12.765102923313076,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:23","end":"04:19","startHours":3.3784556793514513,"endHours":4.317120403747613,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:05","end":"05:15","startHours":4.082454222648573,"endHours":5.255785128143776,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:39","end":"15:35","startHours":14.6424323721054,"endHours":15.581097096501562,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:08","end":"19:32","startHours":19.135755994086214,"endHours":19.535755994086212,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:20","end":"19:55","startHours":19.335755994086213,"endHours":19.922421446833816,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:05","end":"20:50","startHours":19.085755994086213,"endHours":20.835755994086213,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:46","startHours":23.826438198916915,"endHours":24.765102923313076,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:15","end":"07:01","startHours":5.255785128143776,"endHours":7.01578148638658,"quality":"auspicious"},{"name":"Amṛta","start":"07:01","end":"08:47","startHours":7.01578148638658,"endHours":8.775777844629385,"quality":"auspicious"},{"name":"Kāla","start":"08:47","end":"10:32","startHours":8.775777844629385,"endHours":10.53577420287219,"quality":"inauspicious"},{"name":"Śubha","start":"10:32","end":"12:18","startHours":10.53577420287219,"endHours":12.295770561114995,"quality":"auspicious"},{"name":"Roga","start":"12:18","end":"14:03","startHours":12.295770561114995,"endHours":14.055766919357799,"quality":"inauspicious"},{"name":"Udveg","start":"14:03","end":"15:49","startHours":14.055766919357799,"endHours":15.815763277600604,"quality":"inauspicious"},{"name":"Chala","start":"15:49","end":"17:35","startHours":15.815763277600604,"endHours":17.575759635843408,"quality":"neutral"},{"name":"Labha","start":"17:35","end":"19:20","startHours":17.575759635843408,"endHours":19.335755994086213,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"19:20","end":"20:35","startHours":19.335755994086213,"endHours":20.575759635843408,"quality":"inauspicious"},{"name":"Chala","start":"20:35","end":"21:49","startHours":20.575759635843408,"endHours":21.815763277600603,"quality":"neutral"},{"name":"Labha","start":"21:49","end":"23:03","startHours":21.815763277600603,"endHours":23.0557669193578,"quality":"auspicious"},{"name":"Amṛta","start":"23:03","end":"00:18","startHours":23.0557669193578,"endHours":24.295770561114995,"quality":"auspicious"},{"name":"Kāla","start":"00:18","end":"01:32","startHours":24.295770561114995,"endHours":25.53577420287219,"quality":"inauspicious"},{"name":"Śubha","start":"01:32","end":"02:47","startHours":25.53577420287219,"endHours":26.775777844629385,"quality":"auspicious"},{"name":"Roga","start":"02:47","end":"04:01","startHours":26.775777844629385,"endHours":28.01578148638658,"quality":"inauspicious"},{"name":"Udveg","start":"04:01","end":"05:15","startHours":28.01578148638658,"endHours":29.255785128143778,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:15","end":"06:15","startHours":5.255785128143776,"endHours":6.255785128143776,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:15","end":"07:15","startHours":6.255785128143776,"endHours":7.255785128143776,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:15","end":"08:15","startHours":7.255785128143776,"endHours":8.255785128143776,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:15","end":"09:15","startHours":8.255785128143776,"endHours":9.255785128143776,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:15","end":"10:15","startHours":9.255785128143776,"endHours":10.255785128143776,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:15","end":"11:15","startHours":10.255785128143776,"endHours":11.255785128143776,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:15","end":"12:15","startHours":11.255785128143776,"endHours":12.255785128143776,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:15","end":"13:15","startHours":12.255785128143776,"endHours":13.255785128143776,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:15","end":"14:15","startHours":13.255785128143776,"endHours":14.255785128143776,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:15","end":"15:15","startHours":14.255785128143776,"endHours":15.255785128143776,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:15","end":"16:15","startHours":15.255785128143776,"endHours":16.255785128143778,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:15","end":"17:15","startHours":16.255785128143778,"endHours":17.255785128143778,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:15","end":"18:15","startHours":17.255785128143778,"endHours":18.255785128143778,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:15","end":"19:15","startHours":18.255785128143778,"endHours":19.255785128143778,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:15","end":"20:15","startHours":19.255785128143778,"endHours":20.255785128143778,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:15","end":"21:15","startHours":20.255785128143778,"endHours":21.255785128143778,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:15","end":"22:15","startHours":21.255785128143778,"endHours":22.255785128143778,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:15","end":"23:15","startHours":22.255785128143778,"endHours":23.255785128143778,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:15","end":"00:15","startHours":23.255785128143778,"endHours":24.255785128143778,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:15","end":"01:15","startHours":24.255785128143778,"endHours":25.255785128143778,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:15","end":"02:15","startHours":25.255785128143778,"endHours":26.255785128143778,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:15","end":"03:15","startHours":26.255785128143778,"endHours":27.255785128143778,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:15","end":"04:15","startHours":27.255785128143778,"endHours":28.255785128143778,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:15","end":"05:15","startHours":28.255785128143778,"endHours":29.255785128143778,"planetary_lord":"Sun"}],"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":"South-West","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"drikRitu":"Grīṣma (Summer)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":23.39101751787303,"eotMinutes":-0.8166336668997627,"ayanamsa":23.6639}},"calendars":{"vikram_samvat":2043,"vikram_samvatsara":"Pramāthi","saka_samvat":1908,"saka_samvatsara":"Akṣaya","bengali_samvat":1393,"malayalam_era":1162,"nanakshahi_year":517,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Śukla Pakṣa","solar_month":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Śukla Ekādaśī · Vikram 2043 Pramāthi · Śaka 1908 Akṣaya"},"festivals":[{"id":"devshayani-ekadashi","name":"Devśayanī Ekādaśī","name_sanskrit":"देवशयनी एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Bhagavān Viṣṇu enters yoga-nidrā; Cāturmāsya begins.","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Āṣāḍha"},"precedence":3},{"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},{"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":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 June 18, 1986 CE · Ṛṣikeśa · Vidhyamitra","description":"June 18, 1986 CE for Ṛṣikeśa: Śukla Ekādaśī, sūryodaya 05:15, sūryāsta 19:20.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1986-06-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1986-06-18","sa":"https://sa.vidhyamitra.com/city/rishikesh/1986-06-18","hi":"https://hi.vidhyamitra.com/city/rishikesh/1986-06-18","x-default":"https://vidhyamitra.com/city/rishikesh/1986-06-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T10:47:39.077Z","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":"2026-05-18T10:47:39.077Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-18T10:47:39.077Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}