{"id":"vidhyamitra:city-day:rishikesh:2001-10-27:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2001-10-27","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2001-10-27","date_display":"October 27, 2001 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":2001,"month":10,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452209.770833,"kali_year":5103,"ahargana":1863744.2708,"sun":{"sidereal_longitude":189.105,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":309.6191,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":120.5141,"elapsed_within_tithi_degrees":0.5141},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1,"moon_longitude":309.6191,"elapsed_within_degrees":2.9525},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":138.7242},"karana":{"half_tithi_index":20,"name":"Vaṇija"},"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":2001,"month":10,"day":27,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2452209.770833,"ahargana":1863744.2708,"kali_year":5103,"ayanamsa_lahiri":23.8784,"grahas":{"sun":{"sidereal_longitude":189.8125110000001,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":311.57631100000003,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false,"latitude":-3.8866},"mars":{"sidereal_longitude":275.65011100000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":171.743111,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":81.64741100000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"venus":{"sidereal_longitude":170.48801100000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":50.204710999999975,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":69.8596,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":249.8596,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","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":"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":2001,"month":10,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452209.770833,"kali_year":5103,"ahargana":1863744.2708,"sun":{"sidereal_longitude":189.105,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":309.6191,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":120.5141,"elapsed_within_tithi_degrees":0.5141},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1,"moon_longitude":309.6191,"elapsed_within_degrees":2.9525},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":138.7242},"karana":{"half_tithi_index":20,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.887,"elongation":120.514},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.887,"opposition_distance":59.486}},"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":"06:27","sunsetLocal":"17:34","solarNoonLocal":"12:01","dayLengthHours":11.128523269078123,"dayLengthDisplay":"11 Hours 07 Mins 43 Secs","nightLengthDisplay":"12 Hours 52 Mins 17 Secs","moonriseLocal":"14:27","moonsetLocal":"01:48","rahuKala":{"name":"Rāhu Kāla","start":"09:14","end":"10:37","startHours":9.22735412169855,"endHours":10.618419530333314,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:24","end":"14:47","startHours":13.400550347602845,"endHours":14.791615756237611,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:27","end":"07:50","startHours":6.445223304429018,"endHours":7.836288713063784,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:03","end":"09:25","startHours":9.04187873388058,"endHours":9.412829509516518,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:55","end":"07:12","startHours":6.90891177397394,"endHours":7.20567239448269,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:38","end":"12:23","startHours":11.63853416333214,"endHours":12.380435714604017,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:58","end":"05:42","startHours":4.961420201885269,"endHours":5.703321753157144,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:31","end":"06:27","startHours":5.5178463653391745,"endHours":6.445223304429018,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:52","end":"14:36","startHours":13.864238817147767,"endHours":14.606140368419641,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:22","end":"17:46","startHours":17.37374657350714,"endHours":17.77374657350714,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:34","end":"18:02","startHours":17.57374657350714,"endHours":18.037435043052064,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:19","end":"19:04","startHours":17.32374657350714,"endHours":19.07374657350714,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:38","end":"00:23","startHours":23.638534163332142,"endHours":24.380435714604015,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:27","end":"07:50","startHours":6.445223304429018,"endHours":7.836288713063784,"quality":"inauspicious"},{"name":"Śubha","start":"07:50","end":"09:14","startHours":7.836288713063784,"endHours":9.22735412169855,"quality":"auspicious"},{"name":"Roga","start":"09:14","end":"10:37","startHours":9.22735412169855,"endHours":10.618419530333314,"quality":"inauspicious"},{"name":"Udveg","start":"10:37","end":"12:01","startHours":10.618419530333314,"endHours":12.009484938968079,"quality":"inauspicious"},{"name":"Chala","start":"12:01","end":"13:24","startHours":12.009484938968079,"endHours":13.400550347602845,"quality":"neutral"},{"name":"Labha","start":"13:24","end":"14:47","startHours":13.400550347602845,"endHours":14.791615756237611,"quality":"auspicious"},{"name":"Amṛta","start":"14:47","end":"16:11","startHours":14.791615756237611,"endHours":16.182681164872374,"quality":"auspicious"},{"name":"Kāla","start":"16:11","end":"17:34","startHours":16.182681164872374,"endHours":17.57374657350714,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:34","end":"19:11","startHours":17.57374657350714,"endHours":19.182681164872374,"quality":"auspicious"},{"name":"Amṛta","start":"19:11","end":"20:47","startHours":19.182681164872374,"endHours":20.79161575623761,"quality":"auspicious"},{"name":"Kāla","start":"20:47","end":"22:24","startHours":20.79161575623761,"endHours":22.400550347602845,"quality":"inauspicious"},{"name":"Śubha","start":"22:24","end":"00:01","startHours":22.400550347602845,"endHours":24.00948493896808,"quality":"auspicious"},{"name":"Roga","start":"00:01","end":"01:37","startHours":24.00948493896808,"endHours":25.618419530333313,"quality":"inauspicious"},{"name":"Udveg","start":"01:37","end":"03:14","startHours":25.618419530333313,"endHours":27.227354121698546,"quality":"inauspicious"},{"name":"Chala","start":"03:14","end":"04:50","startHours":27.227354121698546,"endHours":28.836288713063784,"quality":"neutral"},{"name":"Labha","start":"04:50","end":"06:27","startHours":28.836288713063784,"endHours":30.445223304429017,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:27","end":"07:27","startHours":6.445223304429018,"endHours":7.445223304429018,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:27","end":"08:27","startHours":7.445223304429018,"endHours":8.445223304429017,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:27","end":"09:27","startHours":8.445223304429017,"endHours":9.445223304429017,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:27","end":"10:27","startHours":9.445223304429017,"endHours":10.445223304429017,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:27","end":"11:27","startHours":10.445223304429017,"endHours":11.445223304429017,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:27","end":"12:27","startHours":11.445223304429017,"endHours":12.445223304429017,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:27","end":"13:27","startHours":12.445223304429017,"endHours":13.445223304429017,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:27","end":"14:27","startHours":13.445223304429017,"endHours":14.445223304429017,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:27","end":"15:27","startHours":14.445223304429017,"endHours":15.445223304429017,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:27","end":"16:27","startHours":15.445223304429017,"endHours":16.445223304429017,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:27","end":"17:27","startHours":16.445223304429017,"endHours":17.445223304429017,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:27","end":"18:27","startHours":17.445223304429017,"endHours":18.445223304429017,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:27","end":"19:27","startHours":18.445223304429017,"endHours":19.445223304429017,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:27","end":"20:27","startHours":19.445223304429017,"endHours":20.445223304429017,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:27","end":"21:27","startHours":20.445223304429017,"endHours":21.445223304429017,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:27","end":"22:27","startHours":21.445223304429017,"endHours":22.445223304429017,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:27","end":"23:27","startHours":22.445223304429017,"endHours":23.445223304429017,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:27","end":"00:27","startHours":23.445223304429017,"endHours":24.445223304429017,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:27","end":"01:27","startHours":24.445223304429017,"endHours":25.445223304429017,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:27","end":"02:27","startHours":25.445223304429017,"endHours":26.445223304429017,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:27","end":"03:27","startHours":26.445223304429017,"endHours":27.445223304429017,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:27","end":"04:27","startHours":27.445223304429017,"endHours":28.445223304429017,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:27","end":"05:27","startHours":28.445223304429017,"endHours":29.445223304429017,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:27","end":"06:27","startHours":29.445223304429017,"endHours":30.445223304429017,"planetary_lord":"Mercury"}],"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","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"East","anandadiYoga":{"name":"Śubha","quality":"Auspicious"},"drikRitu":"Śarad (Autumn) (Drik)","vedicRitu":"Śarad (Autumn)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-12.745870957851155,"eotMinutes":16.360503661915228,"ayanamsa":23.8784}},"calendars":{"vikram_samvat":2058,"vikram_samvatsara":"Jaya","saka_samvat":1923,"saka_samvatsara":"Vṛṣa","bengali_samvat":1408,"malayalam_era":1177,"nanakshahi_year":532,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Śukla Pakṣa","solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Śukla Ekādaśī · Vikram 2058 Jaya · Śaka 1923 Vṛṣa"},"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":"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":"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 27, 2001 CE · Ṛṣikeśa · Vidhyamitra","description":"October 27, 2001 CE for Ṛṣikeśa: Śukla Ekādaśī, sūryodaya 06:27, sūryāsta 17:34.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2001-10-27","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2001-10-27","sa":"https://sa.vidhyamitra.com/city/rishikesh/2001-10-27","hi":"https://hi.vidhyamitra.com/city/rishikesh/2001-10-27","x-default":"https://vidhyamitra.com/city/rishikesh/2001-10-27"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-16T22:46:40.574Z","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":"2026-05-16T22:46:40.574Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-16T22:46:40.574Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}