{"id":"vidhyamitra:city-day:rishikesh:2091-10-11:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2091-10-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2091-10-11","date_display":"October 11, 2091 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":2091,"month":10,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2485065.770833,"kali_year":5193,"ahargana":1896600.2708,"sun":{"sidereal_longitude":171.9003,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":148.335,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":336.4347,"elapsed_within_tithi_degrees":0.4347},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1,"moon_longitude":148.335,"elapsed_within_degrees":1.6683},"yoga":{"number":25,"name":"Brahma","sum_longitude":320.2353},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"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":2091,"month":10,"day":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2485065.770833,"ahargana":1896600.2708,"kali_year":5193,"ayanamsa_lahiri":25.135,"grahas":{"sun":{"sidereal_longitude":172.86406999999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"moon":{"sidereal_longitude":148.61856999999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false,"latitude":1.4892},"mars":{"sidereal_longitude":217.31916999999999,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":191.89067,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":258.15747,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":192.46636999999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":73.62527,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":128.9906,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":308.9906,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","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":2091,"month":10,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2485065.770833,"kali_year":5193,"ahargana":1896600.2708,"sun":{"sidereal_longitude":171.9003,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":148.335,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":336.4347,"elapsed_within_tithi_degrees":0.4347},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1,"moon_longitude":148.335,"elapsed_within_degrees":1.6683},"yoga":{"number":25,"name":"Brahma","sum_longitude":320.2353},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.489,"elongation":23.565},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.489,"opposition_distance":156.435}},"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":"06:16","sunsetLocal":"17:50","solarNoonLocal":"12:03","dayLengthHours":11.581005273001908,"dayLengthDisplay":"11 Hours 34 Mins 52 Secs","nightLengthDisplay":"12 Hours 25 Mins 08 Secs","moonriseLocal":"04:18","moonsetLocal":"16:34","rahuKala":{"name":"Rāhu Kāla","start":"13:30","end":"14:57","startHours":13.496679425854737,"endHours":14.944305084979977,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:16","end":"07:42","startHours":6.258551130228545,"endHours":7.706176789353783,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:09","end":"10:36","startHours":9.153802448479022,"endHours":10.60142810760426,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:58","end":"09:21","startHours":8.96078569392899,"endHours":9.346819203029053,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:44","end":"07:03","startHours":6.7410930166036245,"endHours":7.049919823883675,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:40","end":"12:26","startHours":11.663020257629437,"endHours":12.435087275829563,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:43","end":"05:29","startHours":4.71441709382829,"endHours":5.486484112028418,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:18","end":"06:16","startHours":5.293467357478386,"endHours":6.258551130228545,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:59","end":"14:45","startHours":13.979221312229818,"endHours":14.751288330429945,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:38","end":"18:02","startHours":17.639556403230454,"endHours":18.039556403230453,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:50","end":"18:19","startHours":17.839556403230453,"endHours":18.322098289605535,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:35","end":"19:20","startHours":17.589556403230453,"endHours":19.339556403230453,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:40","end":"00:26","startHours":23.663020257629437,"endHours":24.435087275829563,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:16","end":"07:42","startHours":6.258551130228545,"endHours":7.706176789353783,"quality":"auspicious"},{"name":"Roga","start":"07:42","end":"09:09","startHours":7.706176789353783,"endHours":9.153802448479022,"quality":"inauspicious"},{"name":"Udveg","start":"09:09","end":"10:36","startHours":9.153802448479022,"endHours":10.60142810760426,"quality":"inauspicious"},{"name":"Chala","start":"10:36","end":"12:03","startHours":10.60142810760426,"endHours":12.0490537667295,"quality":"neutral"},{"name":"Labha","start":"12:03","end":"13:30","startHours":12.0490537667295,"endHours":13.496679425854737,"quality":"auspicious"},{"name":"Amṛta","start":"13:30","end":"14:57","startHours":13.496679425854737,"endHours":14.944305084979977,"quality":"auspicious"},{"name":"Kāla","start":"14:57","end":"16:24","startHours":14.944305084979977,"endHours":16.391930744105217,"quality":"inauspicious"},{"name":"Śubha","start":"16:24","end":"17:50","startHours":16.391930744105217,"endHours":17.839556403230453,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:50","end":"19:24","startHours":17.839556403230453,"endHours":19.391930744105213,"quality":"auspicious"},{"name":"Kāla","start":"19:24","end":"20:57","startHours":19.391930744105213,"endHours":20.944305084979977,"quality":"inauspicious"},{"name":"Śubha","start":"20:57","end":"22:30","startHours":20.944305084979977,"endHours":22.496679425854737,"quality":"auspicious"},{"name":"Roga","start":"22:30","end":"00:03","startHours":22.496679425854737,"endHours":24.0490537667295,"quality":"inauspicious"},{"name":"Udveg","start":"00:03","end":"01:36","startHours":24.0490537667295,"endHours":25.60142810760426,"quality":"inauspicious"},{"name":"Chala","start":"01:36","end":"03:09","startHours":25.60142810760426,"endHours":27.15380244847902,"quality":"neutral"},{"name":"Labha","start":"03:09","end":"04:42","startHours":27.15380244847902,"endHours":28.706176789353783,"quality":"auspicious"},{"name":"Amṛta","start":"04:42","end":"06:16","startHours":28.706176789353783,"endHours":30.258551130228547,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:16","end":"07:16","startHours":6.258551130228545,"endHours":7.258551130228545,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:16","end":"08:16","startHours":7.258551130228545,"endHours":8.258551130228545,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:16","end":"09:16","startHours":8.258551130228545,"endHours":9.258551130228545,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:16","end":"10:16","startHours":9.258551130228545,"endHours":10.258551130228545,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:16","end":"11:16","startHours":10.258551130228545,"endHours":11.258551130228545,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:16","end":"12:16","startHours":11.258551130228545,"endHours":12.258551130228545,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:16","end":"13:16","startHours":12.258551130228545,"endHours":13.258551130228545,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:16","end":"14:16","startHours":13.258551130228545,"endHours":14.258551130228545,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:16","end":"15:16","startHours":14.258551130228545,"endHours":15.258551130228545,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:16","end":"16:16","startHours":15.258551130228545,"endHours":16.258551130228547,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:16","end":"17:16","startHours":16.258551130228547,"endHours":17.258551130228547,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:16","end":"18:16","startHours":17.258551130228547,"endHours":18.258551130228547,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:16","end":"19:16","startHours":18.258551130228547,"endHours":19.258551130228547,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:16","end":"20:16","startHours":19.258551130228547,"endHours":20.258551130228547,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:16","end":"21:16","startHours":20.258551130228547,"endHours":21.258551130228547,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:16","end":"22:16","startHours":21.258551130228547,"endHours":22.258551130228547,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:16","end":"23:16","startHours":22.258551130228547,"endHours":23.258551130228547,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:16","end":"00:16","startHours":23.258551130228547,"endHours":24.258551130228547,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:16","end":"01:16","startHours":24.258551130228547,"endHours":25.258551130228547,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:16","end":"02:16","startHours":25.258551130228547,"endHours":26.258551130228547,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:16","end":"03:16","startHours":26.258551130228547,"endHours":27.258551130228547,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:16","end":"04:16","startHours":27.258551130228547,"endHours":28.258551130228547,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:16","end":"05:16","startHours":28.258551130228547,"endHours":29.258551130228547,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:16","end":"06:16","startHours":29.258551130228547,"endHours":30.258551130228547,"planetary_lord":"Moon"}],"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":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"West","rahuVasa":"North-West","anandadiYoga":{"name":"Dhātṛ","quality":"Auspicious"},"drikRitu":"Śarad (Autumn) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-7.0594966539491955,"eotMinutes":13.986373996230075,"ayanamsa":25.135}},"calendars":{"vikram_samvat":2148,"vikram_samvatsara":"Raktākṣī","saka_samvat":2013,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1498,"malayalam_era":1267,"nanakshahi_year":622,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Caturdaśī · Vikram 2148 Raktākṣī · Śaka 2013 Virodhakṛt"},"festivals":[{"id":"kanya-sankranti","name":"Kanyā Saṅkrānti (Mahālaya begins)","name_sanskrit":"कन्या सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Virgo; Mahālaya / Pitṛ-Pakṣa solar marker.","vrata":false,"detection":{"sun_rashi":"Kanyā"},"precedence":4},{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"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":[]},"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, 2091 CE · Ṛṣikeśa · Vidhyamitra","description":"October 11, 2091 CE for Ṛṣikeśa: Kṛṣṇa Caturdaśī, sūryodaya 06:16, sūryāsta 17:50.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2091-10-11","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2091-10-11","sa":"https://sa.vidhyamitra.com/city/rishikesh/2091-10-11","hi":"https://hi.vidhyamitra.com/city/rishikesh/2091-10-11","x-default":"https://vidhyamitra.com/city/rishikesh/2091-10-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-20T05:11:08.152Z","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":"2026-05-20T05:11:08.152Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-20T05:11:08.152Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}