{"id":"vidhyamitra:city-day:rishikesh:2089-10-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2089-10-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2089-10-18","date_display":"October 18, 2089 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":2089,"month":10,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2484342.770833,"kali_year":5191,"ahargana":1895877.2708,"sun":{"sidereal_longitude":179.3558,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":341.1052,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":161.7494,"elapsed_within_tithi_degrees":5.7494},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3,"moon_longitude":341.1052,"elapsed_within_degrees":7.7719},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":160.461},"karana":{"half_tithi_index":26,"name":"Gara"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2089,"month":10,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2484342.770833,"ahargana":1895877.2708,"kali_year":5191,"ayanamsa_lahiri":25.1074,"grahas":{"sun":{"sidereal_longitude":180.30289400000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":342.725494,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false,"latitude":0.485},"mars":{"sidereal_longitude":207.980994,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":180.804894,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":206.416694,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":164.183894,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":44.951693999999975,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":167.2986,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":347.2986,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","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":2089,"month":10,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2484342.770833,"kali_year":5191,"ahargana":1895877.2708,"sun":{"sidereal_longitude":179.3558,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":341.1052,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":161.7494,"elapsed_within_tithi_degrees":5.7494},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3,"moon_longitude":341.1052,"elapsed_within_degrees":7.7719},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":160.461},"karana":{"half_tithi_index":26,"name":"Gara"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.485,"elongation":161.749},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.485,"opposition_distance":18.251}},"eclipse_window_40days":[{"offset_days":-14,"type":"solar","occurs":true,"moon_latitude":-0.097,"elongation":1.303}]},"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":"06:21","sunsetLocal":"17:42","solarNoonLocal":"12:02","dayLengthHours":11.362898827727626,"dayLengthDisplay":"11 Hours 21 Mins 46 Secs","nightLengthDisplay":"12 Hours 38 Mins 14 Secs","moonriseLocal":"16:41","moonsetLocal":"05:01","rahuKala":{"name":"Rāhu Kāla","start":"14:52","end":"16:17","startHours":14.86629040354493,"endHours":16.286652757010884,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:11","end":"10:36","startHours":9.184840989681117,"endHours":10.605203343147071,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:02","end":"13:27","startHours":12.025565696613025,"endHours":13.445928050078978,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:00","end":"09:22","startHours":8.995459342552325,"endHours":9.374222636809911,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:49","end":"07:07","startHours":6.817570400571196,"endHours":7.120581035977266,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:39","end":"12:24","startHours":11.646802402355437,"endHours":12.404328990870614,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:50","end":"05:35","startHours":4.829063105718861,"endHours":5.5865896942340365,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:24","end":"06:21","startHours":5.397208047105242,"endHours":6.344116282749211,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:55","end":"14:41","startHours":13.919382167900963,"endHours":14.676908756416138,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:30","end":"17:54","startHours":17.50701511047684,"endHours":17.907015110476838,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:42","end":"18:11","startHours":17.70701511047684,"endHours":18.180469228298822,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:27","end":"19:12","startHours":17.45701511047684,"endHours":19.20701511047684,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:39","end":"00:24","startHours":23.646802402355437,"endHours":24.404328990870614,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:21","end":"07:46","startHours":6.344116282749211,"endHours":7.7644786362151645,"quality":"inauspicious"},{"name":"Udveg","start":"07:46","end":"09:11","startHours":7.7644786362151645,"endHours":9.184840989681117,"quality":"inauspicious"},{"name":"Chala","start":"09:11","end":"10:36","startHours":9.184840989681117,"endHours":10.605203343147071,"quality":"neutral"},{"name":"Labha","start":"10:36","end":"12:02","startHours":10.605203343147071,"endHours":12.025565696613025,"quality":"auspicious"},{"name":"Amṛta","start":"12:02","end":"13:27","startHours":12.025565696613025,"endHours":13.445928050078978,"quality":"auspicious"},{"name":"Kāla","start":"13:27","end":"14:52","startHours":13.445928050078978,"endHours":14.86629040354493,"quality":"inauspicious"},{"name":"Śubha","start":"14:52","end":"16:17","startHours":14.86629040354493,"endHours":16.286652757010884,"quality":"auspicious"},{"name":"Roga","start":"16:17","end":"17:42","startHours":16.286652757010884,"endHours":17.70701511047684,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:42","end":"19:17","startHours":17.70701511047684,"endHours":19.286652757010884,"quality":"inauspicious"},{"name":"Śubha","start":"19:17","end":"20:52","startHours":19.286652757010884,"endHours":20.86629040354493,"quality":"auspicious"},{"name":"Roga","start":"20:52","end":"22:27","startHours":20.86629040354493,"endHours":22.44592805007898,"quality":"inauspicious"},{"name":"Udveg","start":"22:27","end":"00:02","startHours":22.44592805007898,"endHours":24.025565696613025,"quality":"inauspicious"},{"name":"Chala","start":"00:02","end":"01:36","startHours":24.025565696613025,"endHours":25.60520334314707,"quality":"neutral"},{"name":"Labha","start":"01:36","end":"03:11","startHours":25.60520334314707,"endHours":27.18484098968112,"quality":"auspicious"},{"name":"Amṛta","start":"03:11","end":"04:46","startHours":27.18484098968112,"endHours":28.764478636215166,"quality":"auspicious"},{"name":"Kāla","start":"04:46","end":"06:21","startHours":28.764478636215166,"endHours":30.344116282749212,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:21","end":"07:21","startHours":6.344116282749211,"endHours":7.344116282749211,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:21","end":"08:21","startHours":7.344116282749211,"endHours":8.344116282749212,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:21","end":"09:21","startHours":8.344116282749212,"endHours":9.344116282749212,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:21","end":"10:21","startHours":9.344116282749212,"endHours":10.344116282749212,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:21","end":"11:21","startHours":10.344116282749212,"endHours":11.344116282749212,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:21","end":"12:21","startHours":11.344116282749212,"endHours":12.344116282749212,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:21","end":"13:21","startHours":12.344116282749212,"endHours":13.344116282749212,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:21","end":"14:21","startHours":13.344116282749212,"endHours":14.344116282749212,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:21","end":"15:21","startHours":14.344116282749212,"endHours":15.344116282749212,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:21","end":"16:21","startHours":15.344116282749212,"endHours":16.344116282749212,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:21","end":"17:21","startHours":16.344116282749212,"endHours":17.344116282749212,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:21","end":"18:21","startHours":17.344116282749212,"endHours":18.344116282749212,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:21","end":"19:21","startHours":18.344116282749212,"endHours":19.344116282749212,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:21","end":"20:21","startHours":19.344116282749212,"endHours":20.344116282749212,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:21","end":"21:21","startHours":20.344116282749212,"endHours":21.344116282749212,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:21","end":"22:21","startHours":21.344116282749212,"endHours":22.344116282749212,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:21","end":"23:21","startHours":22.344116282749212,"endHours":23.344116282749212,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:21","end":"00:21","startHours":23.344116282749212,"endHours":24.344116282749212,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:21","end":"01:21","startHours":24.344116282749212,"endHours":25.344116282749212,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:21","end":"02:21","startHours":25.344116282749212,"endHours":26.344116282749212,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:21","end":"03:21","startHours":26.344116282749212,"endHours":27.344116282749212,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:21","end":"04:21","startHours":27.344116282749212,"endHours":28.344116282749212,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:21","end":"05:21","startHours":28.344116282749212,"endHours":29.344116282749212,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:21","end":"06:21","startHours":29.344116282749212,"endHours":30.344116282749212,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"North","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"drikRitu":"Śarad (Autumn)","vedicRitu":"Śarad (Autumn)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-9.826542457574826,"eotMinutes":15.395658203218455,"ayanamsa":25.1074}},"calendars":{"vikram_samvat":2146,"vikram_samvatsara":"Dundubhi","saka_samvat":2011,"saka_samvatsara":"Saumya","bengali_samvat":1496,"malayalam_era":1265,"nanakshahi_year":620,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Śukla Pakṣa","solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Śukla Caturdaśī · Vikram 2146 Dundubhi · Śaka 2011 Saumya"},"festivals":[{"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":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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, 2089 CE · Ṛṣikeśa · Vidhyamitra","description":"October 18, 2089 CE for Ṛṣikeśa: Śukla Caturdaśī, sūryodaya 06:21, sūryāsta 17:42.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2089-10-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2089-10-18","sa":"https://sa.vidhyamitra.com/city/rishikesh/2089-10-18","hi":"https://hi.vidhyamitra.com/city/rishikesh/2089-10-18","x-default":"https://vidhyamitra.com/city/rishikesh/2089-10-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-24T12:40:40.693Z","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":"2026-05-24T12:40:40.693Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-24T12:40:40.693Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}