{"id":"vidhyamitra:city-day:rishikesh:2102-12-11:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2102-12-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2102-12-11","date_display":"December 11, 2102 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":2102,"month":12,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2489143.770833,"kali_year":5204,"ahargana":1900678.2708,"sun":{"sidereal_longitude":232.569,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":241.1317,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":8.5627,"elapsed_within_tithi_degrees":8.5627},"nakshatra":{"number":19,"name":"Mūla","pada":1,"moon_longitude":241.1317,"elapsed_within_degrees":1.1317},"yoga":{"number":9,"name":"Śūla","sum_longitude":113.7007},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":2102,"month":12,"day":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2489143.770833,"ahargana":1900678.2708,"kali_year":5204,"ayanamsa_lahiri":25.291,"grahas":{"sun":{"sidereal_longitude":233.25046099999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":243.78426100000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false,"latitude":-2.3687},"mars":{"sidereal_longitude":226.078261,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":251.173861,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":245.89386100000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"venus":{"sidereal_longitude":249.82766100000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":209.57046100000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":272.9185,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":92.9185,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"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":2102,"month":12,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2489143.770833,"kali_year":5204,"ahargana":1900678.2708,"sun":{"sidereal_longitude":232.569,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":241.1317,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":8.5627,"elapsed_within_tithi_degrees":8.5627},"nakshatra":{"number":19,"name":"Mūla","pada":1,"moon_longitude":241.1317,"elapsed_within_degrees":1.1317},"yoga":{"number":9,"name":"Śūla","sum_longitude":113.7007},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.369,"elongation":8.563},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.369,"opposition_distance":171.437}},"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":"07:03","sunsetLocal":"17:18","solarNoonLocal":"12:11","dayLengthHours":10.25061936682156,"dayLengthDisplay":"10 Hours 15 Mins 02 Secs","nightLengthDisplay":"13 Hours 44 Mins 58 Secs","moonriseLocal":"07:48","moonsetLocal":"17:58","rahuKala":{"name":"Rāhu Kāla","start":"08:20","end":"09:37","startHours":8.338376359366368,"endHours":9.619703780219062,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:54","end":"12:11","startHours":10.901031201071758,"endHours":12.182358621924454,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:28","end":"14:45","startHours":13.463686042777148,"endHours":14.745013463629842,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:27","end":"09:47","startHours":9.44886012410537,"endHours":9.790547436332755,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:29","end":"07:45","startHours":7.484158078797905,"endHours":7.757507928579813,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:31","startHours":11.840671309697068,"endHours":12.52404593415184,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:41","end":"06:22","startHours":5.690299689604132,"endHours":6.373674314058903,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:12","end":"07:03","startHours":6.20283065794521,"endHours":7.057048938513673,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:53","end":"14:34","startHours":13.89079518306138,"endHours":14.574169807516151,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:06","end":"17:30","startHours":17.107668305335235,"endHours":17.507668305335233,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:18","end":"17:44","startHours":17.307668305335234,"endHours":17.734777445619464,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:03","end":"18:48","startHours":17.057668305335234,"endHours":18.807668305335234,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:31","startHours":23.84067130969707,"endHours":24.52404593415184,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:03","end":"08:20","startHours":7.057048938513673,"endHours":8.338376359366368,"quality":"auspicious"},{"name":"Kāla","start":"08:20","end":"09:37","startHours":8.338376359366368,"endHours":9.619703780219062,"quality":"inauspicious"},{"name":"Śubha","start":"09:37","end":"10:54","startHours":9.619703780219062,"endHours":10.901031201071758,"quality":"auspicious"},{"name":"Roga","start":"10:54","end":"12:11","startHours":10.901031201071758,"endHours":12.182358621924454,"quality":"inauspicious"},{"name":"Udveg","start":"12:11","end":"13:28","startHours":12.182358621924454,"endHours":13.463686042777148,"quality":"inauspicious"},{"name":"Chala","start":"13:28","end":"14:45","startHours":13.463686042777148,"endHours":14.745013463629842,"quality":"neutral"},{"name":"Labha","start":"14:45","end":"16:02","startHours":14.745013463629842,"endHours":16.02634088448254,"quality":"auspicious"},{"name":"Amṛta","start":"16:02","end":"17:18","startHours":16.02634088448254,"endHours":17.307668305335234,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:18","end":"19:02","startHours":17.307668305335234,"endHours":19.02634088448254,"quality":"neutral"},{"name":"Labha","start":"19:02","end":"20:45","startHours":19.02634088448254,"endHours":20.745013463629846,"quality":"auspicious"},{"name":"Amṛta","start":"20:45","end":"22:28","startHours":20.745013463629846,"endHours":22.463686042777148,"quality":"auspicious"},{"name":"Kāla","start":"22:28","end":"00:11","startHours":22.463686042777148,"endHours":24.182358621924454,"quality":"inauspicious"},{"name":"Śubha","start":"00:11","end":"01:54","startHours":24.182358621924454,"endHours":25.90103120107176,"quality":"auspicious"},{"name":"Roga","start":"01:54","end":"03:37","startHours":25.90103120107176,"endHours":27.619703780219062,"quality":"inauspicious"},{"name":"Udveg","start":"03:37","end":"05:20","startHours":27.619703780219062,"endHours":29.338376359366368,"quality":"inauspicious"},{"name":"Chala","start":"05:20","end":"07:03","startHours":29.338376359366368,"endHours":31.057048938513674,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:03","end":"08:03","startHours":7.057048938513673,"endHours":8.057048938513674,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:03","end":"09:03","startHours":8.057048938513674,"endHours":9.057048938513674,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:03","end":"10:03","startHours":9.057048938513674,"endHours":10.057048938513674,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:03","end":"11:03","startHours":10.057048938513674,"endHours":11.057048938513674,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:03","end":"12:03","startHours":11.057048938513674,"endHours":12.057048938513674,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:03","end":"13:03","startHours":12.057048938513674,"endHours":13.057048938513674,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:03","end":"14:03","startHours":13.057048938513674,"endHours":14.057048938513674,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:03","end":"15:03","startHours":14.057048938513674,"endHours":15.057048938513674,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:03","end":"16:03","startHours":15.057048938513674,"endHours":16.057048938513674,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:03","end":"17:03","startHours":16.057048938513674,"endHours":17.057048938513674,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:03","end":"18:03","startHours":17.057048938513674,"endHours":18.057048938513674,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:03","end":"19:03","startHours":18.057048938513674,"endHours":19.057048938513674,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:03","end":"20:03","startHours":19.057048938513674,"endHours":20.057048938513674,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:03","end":"21:03","startHours":20.057048938513674,"endHours":21.057048938513674,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:03","end":"22:03","startHours":21.057048938513674,"endHours":22.057048938513674,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:03","end":"23:03","startHours":22.057048938513674,"endHours":23.057048938513674,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:03","end":"00:03","startHours":23.057048938513674,"endHours":24.057048938513674,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:03","end":"01:03","startHours":24.057048938513674,"endHours":25.057048938513674,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:03","end":"02:03","startHours":25.057048938513674,"endHours":26.057048938513674,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:03","end":"03:03","startHours":26.057048938513674,"endHours":27.057048938513674,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:03","end":"04:03","startHours":27.057048938513674,"endHours":28.057048938513674,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:03","end":"05:03","startHours":28.057048938513674,"endHours":29.057048938513674,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:03","end":"06:03","startHours":29.057048938513674,"endHours":30.057048938513674,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:03","end":"07:03","startHours":30.057048938513674,"endHours":31.057048938513674,"planetary_lord":"Venus"}],"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":"East (Pūrva)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Gada","quality":"Inauspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Śarad (Autumn)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-22.942375366808044,"eotMinutes":5.988082684532823,"ayanamsa":25.291}},"calendars":{"vikram_samvat":2159,"vikram_samvatsara":"Yuva","saka_samvat":2024,"saka_samvatsara":"Dundubhi","bengali_samvat":1509,"malayalam_era":1278,"nanakshahi_year":633,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Śukla Pakṣa","solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Pratipada · Vikram 2159 Yuva · Śaka 2024 Dundubhi"},"festivals":[{"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}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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 December 11, 2102 CE · Ṛṣikeśa · Vidhyamitra","description":"December 11, 2102 CE for Ṛṣikeśa: Śukla Pratipada, sūryodaya 07:03, sūryāsta 17:18.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2102-12-11","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2102-12-11","sa":"https://sa.vidhyamitra.com/city/rishikesh/2102-12-11","hi":"https://hi.vidhyamitra.com/city/rishikesh/2102-12-11","x-default":"https://vidhyamitra.com/city/rishikesh/2102-12-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-21T03:54:06.186Z","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":"2026-05-21T03:54:06.186Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-21T03:54:06.186Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}