{"id":"vidhyamitra:city-day:rishikesh:2031-11-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2031-11-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2031-11-18","date_display":"November 18, 2031 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":2031,"month":11,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2463188.770833,"kali_year":5133,"ahargana":1874723.2708,"sun":{"sidereal_longitude":210.5136,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":250.6419,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":40.1283,"elapsed_within_tithi_degrees":4.1283},"nakshatra":{"number":19,"name":"Mūla","pada":4,"moon_longitude":250.6419,"elapsed_within_degrees":10.6419},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":101.1555},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"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":2031,"month":11,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2463188.770833,"ahargana":1874723.2708,"kali_year":5133,"ayanamsa_lahiri":24.2983,"grahas":{"sun":{"sidereal_longitude":211.18783299999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":253.48863299999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false,"latitude":3.0386},"mars":{"sidereal_longitude":273.419933,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":231.29613300000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":246.17913299999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"venus":{"sidereal_longitude":166.34773299999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":56.89293299999997,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":208.1393,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":28.1393,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","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":2031,"month":11,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2463188.770833,"kali_year":5133,"ahargana":1874723.2708,"sun":{"sidereal_longitude":210.5136,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":250.6419,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":40.1283,"elapsed_within_tithi_degrees":4.1283},"nakshatra":{"number":19,"name":"Mūla","pada":4,"moon_longitude":250.6419,"elapsed_within_degrees":10.6419},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":101.1555},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.039,"elongation":40.128},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.039,"opposition_distance":139.872}},"eclipse_window_40days":[{"offset_days":-19,"type":"lunar","occurs":true,"moon_latitude":1.494,"opposition_distance":1.604},{"offset_days":-3,"type":"solar","occurs":true,"moon_latitude":-0.008,"elongation":0.726},{"offset_days":11,"type":"lunar","occurs":true,"moon_latitude":-1.298,"opposition_distance":2.63}]},"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":"06:45","sunsetLocal":"17:20","solarNoonLocal":"12:03","dayLengthHours":10.592567032801607,"dayLengthDisplay":"10 Hours 35 Mins 33 Secs","nightLengthDisplay":"13 Hours 24 Mins 27 Secs","moonriseLocal":"09:46","moonsetLocal":"19:57","rahuKala":{"name":"Rāhu Kāla","start":"14:42","end":"16:01","startHours":14.6935047462199,"endHours":16.017575625320102,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:24","end":"10:43","startHours":9.397221229819099,"endHours":10.721292108919299,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:03","end":"13:22","startHours":12.0453629880195,"endHours":13.369433867119701,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:13","end":"09:34","startHours":9.220678445939072,"endHours":9.573764013699124,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:11","end":"07:28","startHours":7.190436431318763,"endHours":7.472904885526805,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:42","end":"12:24","startHours":11.692277420259446,"endHours":12.398448555779554,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:20","end":"06:03","startHours":5.336737200578482,"endHours":6.042908336098589,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:52","end":"06:45","startHours":5.8663655522185625,"endHours":6.749079471618696,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:49","end":"14:31","startHours":13.810790826819767,"endHours":14.516961962339874,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:08","end":"17:32","startHours":17.141646504420304,"endHours":17.541646504420303,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:20","end":"17:47","startHours":17.341646504420304,"endHours":17.78300346412037,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:05","end":"18:50","startHours":17.091646504420304,"endHours":18.841646504420304,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:42","end":"00:24","startHours":23.692277420259444,"endHours":24.398448555779552,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:45","end":"08:04","startHours":6.749079471618696,"endHours":8.073150350718898,"quality":"inauspicious"},{"name":"Udveg","start":"08:04","end":"09:24","startHours":8.073150350718898,"endHours":9.397221229819099,"quality":"inauspicious"},{"name":"Chala","start":"09:24","end":"10:43","startHours":9.397221229819099,"endHours":10.721292108919299,"quality":"neutral"},{"name":"Labha","start":"10:43","end":"12:03","startHours":10.721292108919299,"endHours":12.0453629880195,"quality":"auspicious"},{"name":"Amṛta","start":"12:03","end":"13:22","startHours":12.0453629880195,"endHours":13.369433867119701,"quality":"auspicious"},{"name":"Kāla","start":"13:22","end":"14:42","startHours":13.369433867119701,"endHours":14.6935047462199,"quality":"inauspicious"},{"name":"Śubha","start":"14:42","end":"16:01","startHours":14.6935047462199,"endHours":16.017575625320102,"quality":"auspicious"},{"name":"Roga","start":"16:01","end":"17:20","startHours":16.017575625320102,"endHours":17.341646504420304,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:20","end":"19:01","startHours":17.341646504420304,"endHours":19.017575625320102,"quality":"inauspicious"},{"name":"Śubha","start":"19:01","end":"20:42","startHours":19.017575625320102,"endHours":20.6935047462199,"quality":"auspicious"},{"name":"Roga","start":"20:42","end":"22:22","startHours":20.6935047462199,"endHours":22.369433867119703,"quality":"inauspicious"},{"name":"Udveg","start":"22:22","end":"00:03","startHours":22.369433867119703,"endHours":24.045362988019498,"quality":"inauspicious"},{"name":"Chala","start":"00:03","end":"01:43","startHours":24.045362988019498,"endHours":25.7212921089193,"quality":"neutral"},{"name":"Labha","start":"01:43","end":"03:24","startHours":25.7212921089193,"endHours":27.3972212298191,"quality":"auspicious"},{"name":"Amṛta","start":"03:24","end":"05:04","startHours":27.3972212298191,"endHours":29.073150350718898,"quality":"auspicious"},{"name":"Kāla","start":"05:04","end":"06:45","startHours":29.073150350718898,"endHours":30.749079471618696,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:45","end":"07:45","startHours":6.749079471618696,"endHours":7.749079471618696,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:45","end":"08:45","startHours":7.749079471618696,"endHours":8.749079471618696,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:45","end":"09:45","startHours":8.749079471618696,"endHours":9.749079471618696,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:45","end":"10:45","startHours":9.749079471618696,"endHours":10.749079471618696,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:45","end":"11:45","startHours":10.749079471618696,"endHours":11.749079471618696,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:45","end":"12:45","startHours":11.749079471618696,"endHours":12.749079471618696,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:45","end":"13:45","startHours":12.749079471618696,"endHours":13.749079471618696,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:45","end":"14:45","startHours":13.749079471618696,"endHours":14.749079471618696,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:45","end":"15:45","startHours":14.749079471618696,"endHours":15.749079471618696,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:45","end":"16:45","startHours":15.749079471618696,"endHours":16.749079471618696,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:45","end":"17:45","startHours":16.749079471618696,"endHours":17.749079471618696,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:45","end":"18:45","startHours":17.749079471618696,"endHours":18.749079471618696,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:45","end":"19:45","startHours":18.749079471618696,"endHours":19.749079471618696,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:45","end":"20:45","startHours":19.749079471618696,"endHours":20.749079471618696,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:45","end":"21:45","startHours":20.749079471618696,"endHours":21.749079471618696,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:45","end":"22:45","startHours":21.749079471618696,"endHours":22.749079471618696,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:45","end":"23:45","startHours":22.749079471618696,"endHours":23.749079471618696,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:45","end":"00:45","startHours":23.749079471618696,"endHours":24.749079471618696,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:45","end":"01:45","startHours":24.749079471618696,"endHours":25.749079471618696,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:45","end":"02:45","startHours":25.749079471618696,"endHours":26.749079471618696,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:45","end":"03:45","startHours":26.749079471618696,"endHours":27.749079471618696,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:45","end":"04:45","startHours":27.749079471618696,"endHours":28.749079471618696,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:45","end":"05:45","startHours":28.749079471618696,"endHours":29.749079471618696,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:45","end":"06:45","startHours":29.749079471618696,"endHours":30.749079471618696,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"North","anandadiYoga":{"name":"Sushira","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":-19.130883997480076,"eotMinutes":14.207820718830007,"ayanamsa":24.2983}},"calendars":{"vikram_samvat":2088,"vikram_samvatsara":"Raktākṣī","saka_samvat":1953,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1438,"malayalam_era":1207,"nanakshahi_year":562,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Śukla Pakṣa","solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Caturthī · Vikram 2088 Raktākṣī · Śaka 1953 Virodhakṛt"},"festivals":[{"id":"angarika-chaturthi","name":"Aṅgāraka Caturthī (Tuesday Caturthī)","name_sanskrit":"अङ्गारक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa + Maṅgala","significance":"Tuesday-Caturthī (rare); supremely auspicious for Maṅgala-doṣa-nivāraṇa.","vrata":true,"detection":{"any_of":[{"tithi_number":4,"vara_name":"Maṅgalavāra (Tuesday)"},{"tithi_number":19,"vara_name":"Maṅgalavāra (Tuesday)"}]},"precedence":3},{"id":"vrischika-sankranti","name":"Vṛścika Saṅkrānti","name_sanskrit":"वृश्चिक सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Scorpio.","vrata":false,"detection":{"sun_rashi":"Vṛścika"},"precedence":5},{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"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 November 18, 2031 CE · Ṛṣikeśa · Vidhyamitra","description":"November 18, 2031 CE for Ṛṣikeśa: Śukla Caturthī, sūryodaya 06:45, sūryāsta 17:20.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2031-11-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2031-11-18","sa":"https://sa.vidhyamitra.com/city/rishikesh/2031-11-18","hi":"https://hi.vidhyamitra.com/city/rishikesh/2031-11-18","x-default":"https://vidhyamitra.com/city/rishikesh/2031-11-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T05:51:24.113Z","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":"2026-05-15T05:51:24.113Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T05:51:24.113Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}