{"id":"vidhyamitra:city-day:rishikesh:2054-12-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2054-12-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2054-12-17","date_display":"December 17, 2054 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":2054,"month":12,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2471618.770833,"kali_year":5156,"ahargana":1883153.2708,"sun":{"sidereal_longitude":240.1768,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":85.6742,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":205.4974,"elapsed_within_tithi_degrees":1.4974},"nakshatra":{"number":7,"name":"Punarvasu","pada":2,"moon_longitude":85.6742,"elapsed_within_degrees":5.6742},"yoga":{"number":25,"name":"Brahma","sum_longitude":325.851},"karana":{"half_tithi_index":34,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2054,"month":12,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2471618.770833,"ahargana":1883153.2708,"kali_year":5156,"ayanamsa_lahiri":24.6207,"grahas":{"sun":{"sidereal_longitude":240.680345,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"moon":{"sidereal_longitude":88.10864500000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false,"latitude":-2.6307},"mars":{"sidereal_longitude":61.161445000000015,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":true},"mercury":{"sidereal_longitude":251.016845,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":233.95894499999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":255.936645,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":325.565245,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":121.4773,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":301.4773,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","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":2054,"month":12,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2471618.770833,"kali_year":5156,"ahargana":1883153.2708,"sun":{"sidereal_longitude":240.1768,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":85.6742,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":205.4974,"elapsed_within_tithi_degrees":1.4974},"nakshatra":{"number":7,"name":"Punarvasu","pada":2,"moon_longitude":85.6742,"elapsed_within_degrees":5.6742},"yoga":{"number":25,"name":"Brahma","sum_longitude":325.851},"karana":{"half_tithi_index":34,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.631,"elongation":154.503},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.631,"opposition_distance":25.497}},"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":"07:07","sunsetLocal":"17:20","solarNoonLocal":"12:14","dayLengthHours":10.21250773729492,"dayLengthDisplay":"10 Hours 12 Mins 45 Secs","nightLengthDisplay":"13 Hours 47 Mins 15 Secs","moonriseLocal":"19:08","moonsetLocal":"08:59","rahuKala":{"name":"Rāhu Kāla","start":"13:30","end":"14:47","startHours":13.504500652543392,"endHours":14.781064119705258,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:07","end":"08:24","startHours":7.121683316734067,"endHours":8.398246783895932,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:40","end":"10:57","startHours":9.674810251057798,"endHours":10.951373718219664,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:30","end":"09:51","startHours":9.504601788769548,"endHours":9.845018713346047,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:33","end":"07:49","startHours":7.547204472454689,"endHours":7.8195380121158875,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:34","startHours":11.887520260805031,"endHours":12.568354109958024,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:46","end":"06:26","startHours":5.760015618428078,"endHours":6.440849467581073,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:16","end":"07:07","startHours":6.270641005292824,"endHours":7.121683316734067,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:56","end":"14:37","startHours":13.930021808264016,"endHours":14.61085565741701,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:08","end":"17:32","startHours":17.13419105402899,"endHours":17.534191054028987,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:20","end":"17:46","startHours":17.334191054028988,"endHours":17.75971220974961,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:05","end":"18:50","startHours":17.084191054028988,"endHours":18.834191054028988,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:34","startHours":23.88752026080503,"endHours":24.568354109958026,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:07","end":"08:24","startHours":7.121683316734067,"endHours":8.398246783895932,"quality":"auspicious"},{"name":"Roga","start":"08:24","end":"09:40","startHours":8.398246783895932,"endHours":9.674810251057798,"quality":"inauspicious"},{"name":"Udveg","start":"09:40","end":"10:57","startHours":9.674810251057798,"endHours":10.951373718219664,"quality":"inauspicious"},{"name":"Chala","start":"10:57","end":"12:14","startHours":10.951373718219664,"endHours":12.227937185381528,"quality":"neutral"},{"name":"Labha","start":"12:14","end":"13:30","startHours":12.227937185381528,"endHours":13.504500652543392,"quality":"auspicious"},{"name":"Amṛta","start":"13:30","end":"14:47","startHours":13.504500652543392,"endHours":14.781064119705258,"quality":"auspicious"},{"name":"Kāla","start":"14:47","end":"16:03","startHours":14.781064119705258,"endHours":16.057627586867124,"quality":"inauspicious"},{"name":"Śubha","start":"16:03","end":"17:20","startHours":16.057627586867124,"endHours":17.334191054028988,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:20","end":"19:03","startHours":17.334191054028988,"endHours":19.057627586867124,"quality":"auspicious"},{"name":"Kāla","start":"19:03","end":"20:47","startHours":19.057627586867124,"endHours":20.781064119705256,"quality":"inauspicious"},{"name":"Śubha","start":"20:47","end":"22:30","startHours":20.781064119705256,"endHours":22.504500652543392,"quality":"auspicious"},{"name":"Roga","start":"22:30","end":"00:14","startHours":22.504500652543392,"endHours":24.227937185381528,"quality":"inauspicious"},{"name":"Udveg","start":"00:14","end":"01:57","startHours":24.227937185381528,"endHours":25.951373718219664,"quality":"inauspicious"},{"name":"Chala","start":"01:57","end":"03:40","startHours":25.951373718219664,"endHours":27.6748102510578,"quality":"neutral"},{"name":"Labha","start":"03:40","end":"05:24","startHours":27.6748102510578,"endHours":29.39824678389593,"quality":"auspicious"},{"name":"Amṛta","start":"05:24","end":"07:07","startHours":29.39824678389593,"endHours":31.121683316734067,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:07","end":"08:07","startHours":7.121683316734067,"endHours":8.121683316734067,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:07","end":"09:07","startHours":8.121683316734067,"endHours":9.121683316734067,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:07","end":"10:07","startHours":9.121683316734067,"endHours":10.121683316734067,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:07","end":"11:07","startHours":10.121683316734067,"endHours":11.121683316734067,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:07","end":"12:07","startHours":11.121683316734067,"endHours":12.121683316734067,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:07","end":"13:07","startHours":12.121683316734067,"endHours":13.121683316734067,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:07","end":"14:07","startHours":13.121683316734067,"endHours":14.121683316734067,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:07","end":"15:07","startHours":14.121683316734067,"endHours":15.121683316734067,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:07","end":"16:07","startHours":15.121683316734067,"endHours":16.121683316734067,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:07","end":"17:07","startHours":16.121683316734067,"endHours":17.121683316734067,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:07","end":"18:07","startHours":17.121683316734067,"endHours":18.121683316734067,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:07","end":"19:07","startHours":18.121683316734067,"endHours":19.121683316734067,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:07","end":"20:07","startHours":19.121683316734067,"endHours":20.121683316734067,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:07","end":"21:07","startHours":20.121683316734067,"endHours":21.121683316734067,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:07","end":"22:07","startHours":21.121683316734067,"endHours":22.121683316734067,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:07","end":"23:07","startHours":22.121683316734067,"endHours":23.121683316734067,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:07","end":"00:07","startHours":23.121683316734067,"endHours":24.121683316734067,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:07","end":"01:07","startHours":24.121683316734067,"endHours":25.121683316734067,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:07","end":"02:07","startHours":25.121683316734067,"endHours":26.121683316734067,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:07","end":"03:07","startHours":26.121683316734067,"endHours":27.121683316734067,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:07","end":"04:07","startHours":27.121683316734067,"endHours":28.121683316734067,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:07","end":"05:07","startHours":28.121683316734067,"endHours":29.121683316734067,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:07","end":"06:07","startHours":29.121683316734067,"endHours":30.121683316734067,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:07","end":"07:07","startHours":30.121683316734067,"endHours":31.121683316734067,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South","rahuVasa":"North-West","anandadiYoga":{"name":"Gada","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.353044712659027,"eotMinutes":3.253368877108411,"ayanamsa":24.6207}},"calendars":{"vikram_samvat":2111,"vikram_samvatsara":"Sarvajit","saka_samvat":1976,"saka_samvatsara":"Bhāva","bengali_samvat":1461,"malayalam_era":1230,"nanakshahi_year":585,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Tṛtīyā · Vikram 2111 Sarvajit · Śaka 1976 Bhāva"},"festivals":[{"id":"dhanu-sankranti","name":"Dhanu Saṅkrānti","name_sanskrit":"धनु सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Sagittarius; Dhanu-māsa (Khara-māsa).","vrata":false,"detection":{"sun_rashi_ingress":"Dhanu"},"precedence":5}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Punarvasu","url":"/day/-1626101-04-03","relevance":0.5}]},"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 17, 2054 CE · Ṛṣikeśa · Vidhyamitra","description":"December 17, 2054 CE for Ṛṣikeśa: Kṛṣṇa Tṛtīyā, sūryodaya 07:07, sūryāsta 17:20.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2054-12-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2054-12-17","sa":"https://sa.vidhyamitra.com/city/rishikesh/2054-12-17","hi":"https://hi.vidhyamitra.com/city/rishikesh/2054-12-17","x-default":"https://vidhyamitra.com/city/rishikesh/2054-12-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T14:20:31.237Z","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":"2026-06-01T14:20:31.237Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T14:20:31.237Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}