{"id":"vidhyamitra:city-day:rishikesh:1986-10-11:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1986-10-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1986-10-11","date_display":"October 11, 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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1986,"month":10,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446714.770833,"kali_year":5088,"ahargana":1858249.2708,"sun":{"sidereal_longitude":173.0575,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":268.1065,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":95.049,"elapsed_within_tithi_degrees":11.049},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1,"moon_longitude":268.1065,"elapsed_within_degrees":1.4398},"yoga":{"number":7,"name":"Sukarma","sum_longitude":81.164},"karana":{"half_tithi_index":15,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":10,"day":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2446714.770833,"ahargana":1858249.2708,"kali_year":5088,"ayanamsa_lahiri":23.6683,"grahas":{"sun":{"sidereal_longitude":173.766261,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":270.094461,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false,"latitude":-4.4942},"mars":{"sidereal_longitude":277.58946100000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":196.23746099999994,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":321.430161,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":206.64276100000006,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":true},"saturn":{"sidereal_longitude":222.21876099999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":1.0111,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":181.0111,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1986,"month":10,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446714.770833,"kali_year":5088,"ahargana":1858249.2708,"sun":{"sidereal_longitude":173.0575,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":268.1065,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":95.049,"elapsed_within_tithi_degrees":11.049},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1,"moon_longitude":268.1065,"elapsed_within_degrees":1.4398},"yoga":{"number":7,"name":"Sukarma","sum_longitude":81.164},"karana":{"half_tithi_index":15,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.494,"elongation":95.049},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.494,"opposition_distance":84.951}},"eclipse_window_40days":[{"offset_days":-7,"type":"solar","occurs":true,"moon_latitude":1.033,"elongation":1.957}]},"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":"06:15","sunsetLocal":"17:51","solarNoonLocal":"12:03","dayLengthHours":11.5978619130063,"dayLengthDisplay":"11 Hours 35 Mins 52 Secs","nightLengthDisplay":"12 Hours 24 Mins 08 Secs","moonriseLocal":"13:18","moonsetLocal":"23:39","rahuKala":{"name":"Rāhu Kāla","start":"09:09","end":"10:36","startHours":9.149588288477924,"endHours":10.599321027603711,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:30","end":"14:57","startHours":13.498786505855286,"endHours":14.948519244981075,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:15","end":"07:42","startHours":6.250122810226349,"endHours":7.699855549352137,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:57","end":"09:21","startHours":8.95629058992782,"endHours":9.34288598702803,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:44","end":"07:03","startHours":6.733367056601612,"endHours":7.04264337428178,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:40","end":"12:26","startHours":11.66245836962929,"endHours":12.43564916382971,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:42","end":"05:29","startHours":4.703741221825509,"endHours":5.47693201602593,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:17","end":"06:15","startHours":5.2836343174758245,"endHours":6.250122810226349,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:59","end":"14:45","startHours":13.98203075223055,"endHours":14.75522154643097,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:39","end":"18:03","startHours":17.64798472323265,"endHours":18.04798472323265,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:51","end":"18:20","startHours":17.84798472323265,"endHours":18.331228969607913,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:36","end":"19:21","startHours":17.59798472323265,"endHours":19.34798472323265,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:40","end":"00:26","startHours":23.66245836962929,"endHours":24.43564916382971,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:15","end":"07:42","startHours":6.250122810226349,"endHours":7.699855549352137,"quality":"inauspicious"},{"name":"Śubha","start":"07:42","end":"09:09","startHours":7.699855549352137,"endHours":9.149588288477924,"quality":"auspicious"},{"name":"Roga","start":"09:09","end":"10:36","startHours":9.149588288477924,"endHours":10.599321027603711,"quality":"inauspicious"},{"name":"Udveg","start":"10:36","end":"12:03","startHours":10.599321027603711,"endHours":12.0490537667295,"quality":"inauspicious"},{"name":"Chala","start":"12:03","end":"13:30","startHours":12.0490537667295,"endHours":13.498786505855286,"quality":"neutral"},{"name":"Labha","start":"13:30","end":"14:57","startHours":13.498786505855286,"endHours":14.948519244981075,"quality":"auspicious"},{"name":"Amṛta","start":"14:57","end":"16:24","startHours":14.948519244981075,"endHours":16.398251984106864,"quality":"auspicious"},{"name":"Kāla","start":"16:24","end":"17:51","startHours":16.398251984106864,"endHours":17.84798472323265,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:51","end":"19:24","startHours":17.84798472323265,"endHours":19.39825198410686,"quality":"auspicious"},{"name":"Amṛta","start":"19:24","end":"20:57","startHours":19.39825198410686,"endHours":20.948519244981075,"quality":"auspicious"},{"name":"Kāla","start":"20:57","end":"22:30","startHours":20.948519244981075,"endHours":22.498786505855286,"quality":"inauspicious"},{"name":"Śubha","start":"22:30","end":"00:03","startHours":22.498786505855286,"endHours":24.0490537667295,"quality":"auspicious"},{"name":"Roga","start":"00:03","end":"01:36","startHours":24.0490537667295,"endHours":25.59932102760371,"quality":"inauspicious"},{"name":"Udveg","start":"01:36","end":"03:09","startHours":25.59932102760371,"endHours":27.149588288477922,"quality":"inauspicious"},{"name":"Chala","start":"03:09","end":"04:42","startHours":27.149588288477922,"endHours":28.699855549352137,"quality":"neutral"},{"name":"Labha","start":"04:42","end":"06:15","startHours":28.699855549352137,"endHours":30.25012281022635,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:15","end":"07:15","startHours":6.250122810226349,"endHours":7.250122810226349,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:15","end":"08:15","startHours":7.250122810226349,"endHours":8.25012281022635,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:15","end":"09:15","startHours":8.25012281022635,"endHours":9.25012281022635,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:15","end":"10:15","startHours":9.25012281022635,"endHours":10.25012281022635,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:15","end":"11:15","startHours":10.25012281022635,"endHours":11.25012281022635,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:15","end":"12:15","startHours":11.25012281022635,"endHours":12.25012281022635,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:15","end":"13:15","startHours":12.25012281022635,"endHours":13.25012281022635,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:15","end":"14:15","startHours":13.25012281022635,"endHours":14.25012281022635,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:15","end":"15:15","startHours":14.25012281022635,"endHours":15.25012281022635,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:15","end":"16:15","startHours":15.25012281022635,"endHours":16.25012281022635,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:15","end":"17:15","startHours":16.25012281022635,"endHours":17.25012281022635,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:15","end":"18:15","startHours":17.25012281022635,"endHours":18.25012281022635,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:15","end":"19:15","startHours":18.25012281022635,"endHours":19.25012281022635,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:15","end":"20:15","startHours":19.25012281022635,"endHours":20.25012281022635,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:15","end":"21:15","startHours":20.25012281022635,"endHours":21.25012281022635,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:15","end":"22:15","startHours":21.25012281022635,"endHours":22.25012281022635,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:15","end":"23:15","startHours":22.25012281022635,"endHours":23.25012281022635,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:15","end":"00:15","startHours":23.25012281022635,"endHours":24.25012281022635,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:15","end":"01:15","startHours":24.25012281022635,"endHours":25.25012281022635,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:15","end":"02:15","startHours":25.25012281022635,"endHours":26.25012281022635,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:15","end":"03:15","startHours":26.25012281022635,"endHours":27.25012281022635,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:15","end":"04:15","startHours":27.25012281022635,"endHours":28.25012281022635,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:15","end":"05:15","startHours":28.25012281022635,"endHours":29.25012281022635,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:15","end":"06:15","startHours":29.25012281022635,"endHours":30.25012281022635,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"East","anandadiYoga":{"name":"Mṛtyu","quality":"Inauspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-6.844038531037741,"eotMinutes":13.986373996230075,"ayanamsa":23.6683}},"calendars":{"vikram_samvat":2043,"vikram_samvatsara":"Pramāthi","saka_samvat":1908,"saka_samvatsara":"Akṣaya","bengali_samvat":1393,"malayalam_era":1162,"nanakshahi_year":517,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Āśvina","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Aṣṭamī · Vikram 2043 Pramāthi · Śaka 1908 Akṣaya"},"festivals":[{"id":"durga-ashtami","name":"Mahā-Aṣṭamī (Durgā-Aṣṭamī)","name_sanskrit":"महाष्टमी","tradition":"Shakta","associated_deity":"Devī Durgā","significance":"8th day of Śāradīya Navrātri; Mahiṣāsura-mardinī kṣaṇa.","vrata":true,"detection":{"tithi_number":8,"tithi_paksha":"Śukla","lunar_month":"Āśvina"},"precedence":1}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Dedicated festival walk for Mahā-Aṣṭamī (Durgā-Aṣṭamī) is not live yet; Śanivāra (Saturday) — 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 October 11, 1986 CE · Ṛṣikeśa · Vidhyamitra","description":"October 11, 1986 CE for Ṛṣikeśa: Śukla Aṣṭamī, sūryodaya 06:15, sūryāsta 17:51.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1986-10-11","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1986-10-11","sa":"https://sa.vidhyamitra.com/city/rishikesh/1986-10-11","hi":"https://hi.vidhyamitra.com/city/rishikesh/1986-10-11","x-default":"https://vidhyamitra.com/city/rishikesh/1986-10-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-05T03:25:58.084Z","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":"2026-09-05T03:25:58.084Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-05T03:25:58.084Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no single city is the universal center.","purna_chain":["Hosted scripture","Named-tradition interpretation","Original Vidhyamitra contemplation","Bhūmi-born material medium","Vidhyamitra portal","Responsible reader in their own kṣetra"],"claim_boundary":"The legacy purna_chain field carries a source-to-reader sequence, not a revealed physical descent, universal cosmology, or proof that software is conscious.","antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}