{"id":"vidhyamitra:city-day:rishikesh:2086-10-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2086-10-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2086-10-18","date_display":"October 18, 2086 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":2086,"month":10,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2483246.770833,"kali_year":5188,"ahargana":1894781.2708,"sun":{"sidereal_longitude":179.1333,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":301.2785,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":122.1451,"elapsed_within_tithi_degrees":2.1451},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3,"moon_longitude":301.2785,"elapsed_within_degrees":7.9451},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":120.4118},"karana":{"half_tithi_index":20,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":2086,"month":10,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2483246.770833,"ahargana":1894781.2708,"kali_year":5188,"ayanamsa_lahiri":25.0655,"grahas":{"sun":{"sidereal_longitude":180.07367,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":298.94727,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false,"latitude":4.3643},"mars":{"sidereal_longitude":73.63627000000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":189.01697000000001,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":134.79566999999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":182.58987000000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":1.1462700000000154,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":225.3699,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":45.3699,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"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":2086,"month":10,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2483246.770833,"kali_year":5188,"ahargana":1894781.2708,"sun":{"sidereal_longitude":179.1333,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":301.2785,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":122.1451,"elapsed_within_tithi_degrees":2.1451},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3,"moon_longitude":301.2785,"elapsed_within_degrees":7.9451},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":120.4118},"karana":{"half_tithi_index":20,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.364,"elongation":122.145},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.364,"opposition_distance":57.855}},"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":"06:20","sunsetLocal":"17:43","solarNoonLocal":"12:02","dayLengthHours":11.370757815168766,"dayLengthDisplay":"11 Hours 22 Mins 15 Secs","nightLengthDisplay":"12 Hours 37 Mins 45 Secs","moonriseLocal":"14:26","moonsetLocal":"01:28","rahuKala":{"name":"Rāhu Kāla","start":"10:36","end":"12:02","startHours":10.60422096971693,"endHours":12.025565696613025,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:52","end":"16:17","startHours":14.868255150405219,"endHours":16.289599877301313,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:46","end":"09:11","startHours":7.761531515924739,"endHours":9.182876242820836,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:00","end":"09:22","startHours":8.993363612568022,"endHours":9.372388873073648,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:49","end":"07:07","startHours":6.813968364660675,"endHours":7.117188573065175,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:39","end":"12:24","startHours":11.646540436107399,"endHours":12.404590957118652,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:49","end":"05:35","startHours":4.824085747006142,"endHours":5.5821362680173925,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:24","end":"06:20","startHours":5.392623637764579,"endHours":6.340186789028643,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:55","end":"14:41","startHours":13.920691999141154,"endHours":14.678742520152404,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:31","end":"17:55","startHours":17.51094460419741,"endHours":17.910944604197407,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:43","end":"18:11","startHours":17.710944604197408,"endHours":18.18472617982944,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:28","end":"19:13","startHours":17.460944604197408,"endHours":19.210944604197408,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:39","end":"00:24","startHours":23.6465404361074,"endHours":24.40459095711865,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:20","end":"07:46","startHours":6.340186789028643,"endHours":7.761531515924739,"quality":"neutral"},{"name":"Labha","start":"07:46","end":"09:11","startHours":7.761531515924739,"endHours":9.182876242820836,"quality":"auspicious"},{"name":"Amṛta","start":"09:11","end":"10:36","startHours":9.182876242820836,"endHours":10.60422096971693,"quality":"auspicious"},{"name":"Kāla","start":"10:36","end":"12:02","startHours":10.60422096971693,"endHours":12.025565696613025,"quality":"inauspicious"},{"name":"Śubha","start":"12:02","end":"13:27","startHours":12.025565696613025,"endHours":13.446910423509122,"quality":"auspicious"},{"name":"Roga","start":"13:27","end":"14:52","startHours":13.446910423509122,"endHours":14.868255150405219,"quality":"inauspicious"},{"name":"Udveg","start":"14:52","end":"16:17","startHours":14.868255150405219,"endHours":16.289599877301313,"quality":"inauspicious"},{"name":"Chala","start":"16:17","end":"17:43","startHours":16.289599877301313,"endHours":17.710944604197408,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:43","end":"19:17","startHours":17.710944604197408,"endHours":19.289599877301313,"quality":"inauspicious"},{"name":"Udveg","start":"19:17","end":"20:52","startHours":19.289599877301313,"endHours":20.86825515040522,"quality":"inauspicious"},{"name":"Chala","start":"20:52","end":"22:27","startHours":20.86825515040522,"endHours":22.44691042350912,"quality":"neutral"},{"name":"Labha","start":"22:27","end":"00:02","startHours":22.44691042350912,"endHours":24.025565696613025,"quality":"auspicious"},{"name":"Amṛta","start":"00:02","end":"01:36","startHours":24.025565696613025,"endHours":25.60422096971693,"quality":"auspicious"},{"name":"Kāla","start":"01:36","end":"03:11","startHours":25.60422096971693,"endHours":27.182876242820832,"quality":"inauspicious"},{"name":"Śubha","start":"03:11","end":"04:46","startHours":27.182876242820832,"endHours":28.761531515924737,"quality":"auspicious"},{"name":"Roga","start":"04:46","end":"06:20","startHours":28.761531515924737,"endHours":30.340186789028643,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:20","end":"07:20","startHours":6.340186789028643,"endHours":7.340186789028643,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:20","end":"08:20","startHours":7.340186789028643,"endHours":8.340186789028643,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:20","end":"09:20","startHours":8.340186789028643,"endHours":9.340186789028643,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:20","end":"10:20","startHours":9.340186789028643,"endHours":10.340186789028643,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:20","end":"11:20","startHours":10.340186789028643,"endHours":11.340186789028643,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:20","end":"12:20","startHours":11.340186789028643,"endHours":12.340186789028643,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:20","end":"13:20","startHours":12.340186789028643,"endHours":13.340186789028643,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:20","end":"14:20","startHours":13.340186789028643,"endHours":14.340186789028643,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:20","end":"15:20","startHours":14.340186789028643,"endHours":15.340186789028643,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:20","end":"16:20","startHours":15.340186789028643,"endHours":16.340186789028643,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:20","end":"17:20","startHours":16.340186789028643,"endHours":17.340186789028643,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:20","end":"18:20","startHours":17.340186789028643,"endHours":18.340186789028643,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:20","end":"19:20","startHours":18.340186789028643,"endHours":19.340186789028643,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:20","end":"20:20","startHours":19.340186789028643,"endHours":20.340186789028643,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:20","end":"21:20","startHours":20.340186789028643,"endHours":21.340186789028643,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:20","end":"22:20","startHours":21.340186789028643,"endHours":22.340186789028643,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:20","end":"23:20","startHours":22.340186789028643,"endHours":23.340186789028643,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:20","end":"00:20","startHours":23.340186789028643,"endHours":24.340186789028643,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:20","end":"01:20","startHours":24.340186789028643,"endHours":25.340186789028643,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:20","end":"02:20","startHours":25.340186789028643,"endHours":26.340186789028643,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:20","end":"03:20","startHours":26.340186789028643,"endHours":27.340186789028643,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:20","end":"04:20","startHours":27.340186789028643,"endHours":28.340186789028643,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:20","end":"05:20","startHours":28.340186789028643,"endHours":29.340186789028643,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:20","end":"06:20","startHours":29.340186789028643,"endHours":30.340186789028643,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"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":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"South-East","anandadiYoga":{"name":"Lumba","quality":"Auspicious"},"drikRitu":"Śarad (Autumn)","vedicRitu":"Śarad (Autumn)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-9.727593507093209,"eotMinutes":15.395658203218455,"ayanamsa":25.0655}},"calendars":{"vikram_samvat":2143,"vikram_samvatsara":"Siddhārthī","saka_samvat":2008,"saka_samvatsara":"Parābhava","bengali_samvat":1493,"malayalam_era":1262,"nanakshahi_year":617,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Śukla Pakṣa","solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Śukla Ekādaśī · Vikram 2143 Siddhārthī · Śaka 2008 Parābhava"},"festivals":[{"id":"devotthana-ekadashi","name":"Devotthāna Ekādaśī (Prabodhinī)","name_sanskrit":"देवोत्थान एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Bhagavān Viṣṇu awakens; Cāturmāsya ends; weddings can resume.","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Kārtika"},"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":"tula-sankranti","name":"Tulā Saṅkrānti","name_sanskrit":"तुला सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Libra.","vrata":false,"detection":{"sun_rashi":"Tulā"},"precedence":5}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 18, 2086 CE · Ṛṣikeśa · Vidhyamitra","description":"October 18, 2086 CE for Ṛṣikeśa: Śukla Ekādaśī, sūryodaya 06:20, sūryāsta 17:43.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2086-10-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2086-10-18","sa":"https://sa.vidhyamitra.com/city/rishikesh/2086-10-18","hi":"https://hi.vidhyamitra.com/city/rishikesh/2086-10-18","x-default":"https://vidhyamitra.com/city/rishikesh/2086-10-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-24T16:11:30.649Z","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":"2026-05-24T16:11:30.649Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-24T16:11:30.649Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}