{"id":"vidhyamitra:city-day:rishikesh:2110-12-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2110-12-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2110-12-17","date_display":"December 17, 2110 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":2110,"month":12,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2492071.770833,"kali_year":5212,"ahargana":1903606.2708,"sun":{"sidereal_longitude":238.6476,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":309.822,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":71.1743,"elapsed_within_tithi_degrees":11.1743},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1,"moon_longitude":309.822,"elapsed_within_degrees":3.1553},"yoga":{"number":15,"name":"Vajra","sum_longitude":188.4696},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2110,"month":12,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2492071.770833,"ahargana":1903606.2708,"kali_year":5212,"ayanamsa_lahiri":25.403,"grahas":{"sun":{"sidereal_longitude":239.29728999999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":313.8002899999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false,"latitude":-0.938},"mars":{"sidereal_longitude":294.31339,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":216.43809,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":149.51509,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":257.77229,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":292.04359,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":117.779,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":297.779,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"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":2110,"month":12,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2492071.770833,"kali_year":5212,"ahargana":1903606.2708,"sun":{"sidereal_longitude":238.6476,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":309.822,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":71.1743,"elapsed_within_tithi_degrees":11.1743},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1,"moon_longitude":309.822,"elapsed_within_degrees":3.1553},"yoga":{"number":15,"name":"Vajra","sum_longitude":188.4696},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.938,"elongation":71.174},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.938,"opposition_distance":108.826}},"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":10.214619451174526,"dayLengthDisplay":"10 Hours 12 Mins 53 Secs","nightLengthDisplay":"13 Hours 47 Mins 07 Secs","moonriseLocal":"11:28","moonsetLocal":"22:55","rahuKala":{"name":"Rāhu Kāla","start":"12:14","end":"13:30","startHours":12.227937185381528,"endHours":13.504764616778345,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:24","end":"09:40","startHours":8.397454891191082,"endHours":9.674282322587898,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:57","end":"12:14","startHours":10.951109753984714,"endHours":12.227937185381528,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:30","end":"09:51","startHours":9.504038665068322,"endHours":9.844525980107473,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:33","end":"07:49","startHours":7.546236603593204,"endHours":7.818626455624525,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:34","startHours":11.887449870342376,"endHours":12.56842450042068,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:46","end":"06:26","startHours":5.758678199637663,"endHours":6.439652829715964,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:16","end":"07:07","startHours":6.269409172196388,"endHours":7.120627459794266,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:56","end":"14:37","startHours":13.930373760577282,"endHours":14.611348390655584,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:08","end":"17:32","startHours":17.135246910968792,"endHours":17.53524691096879,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:20","end":"17:46","startHours":17.33524691096879,"endHours":17.76085605476773,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:05","end":"18:50","startHours":17.08524691096879,"endHours":18.83524691096879,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:34","startHours":23.887449870342376,"endHours":24.56842450042068,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"07:07","end":"08:24","startHours":7.120627459794266,"endHours":8.397454891191082,"quality":"auspicious"},{"name":"Amṛta","start":"08:24","end":"09:40","startHours":8.397454891191082,"endHours":9.674282322587898,"quality":"auspicious"},{"name":"Kāla","start":"09:40","end":"10:57","startHours":9.674282322587898,"endHours":10.951109753984714,"quality":"inauspicious"},{"name":"Śubha","start":"10:57","end":"12:14","startHours":10.951109753984714,"endHours":12.227937185381528,"quality":"auspicious"},{"name":"Roga","start":"12:14","end":"13:30","startHours":12.227937185381528,"endHours":13.504764616778345,"quality":"inauspicious"},{"name":"Udveg","start":"13:30","end":"14:47","startHours":13.504764616778345,"endHours":14.78159204817516,"quality":"inauspicious"},{"name":"Chala","start":"14:47","end":"16:04","startHours":14.78159204817516,"endHours":16.058419479571974,"quality":"neutral"},{"name":"Labha","start":"16:04","end":"17:20","startHours":16.058419479571974,"endHours":17.33524691096879,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:20","end":"19:04","startHours":17.33524691096879,"endHours":19.058419479571977,"quality":"inauspicious"},{"name":"Chala","start":"19:04","end":"20:47","startHours":19.058419479571977,"endHours":20.78159204817516,"quality":"neutral"},{"name":"Labha","start":"20:47","end":"22:30","startHours":20.78159204817516,"endHours":22.504764616778345,"quality":"auspicious"},{"name":"Amṛta","start":"22:30","end":"00:14","startHours":22.504764616778345,"endHours":24.227937185381528,"quality":"auspicious"},{"name":"Kāla","start":"00:14","end":"01:57","startHours":24.227937185381528,"endHours":25.951109753984714,"quality":"inauspicious"},{"name":"Śubha","start":"01:57","end":"03:40","startHours":25.951109753984714,"endHours":27.6742823225879,"quality":"auspicious"},{"name":"Roga","start":"03:40","end":"05:24","startHours":27.6742823225879,"endHours":29.39745489119108,"quality":"inauspicious"},{"name":"Udveg","start":"05:24","end":"07:07","startHours":29.39745489119108,"endHours":31.120627459794264,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:07","end":"08:07","startHours":7.120627459794266,"endHours":8.120627459794266,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"08:07","end":"09:07","startHours":8.120627459794266,"endHours":9.120627459794266,"planetary_lord":"Venus"},{"name":"Hora 3","start":"09:07","end":"10:07","startHours":9.120627459794266,"endHours":10.120627459794266,"planetary_lord":"Sun"},{"name":"Hora 4","start":"10:07","end":"11:07","startHours":10.120627459794266,"endHours":11.120627459794266,"planetary_lord":"Mars"},{"name":"Hora 5","start":"11:07","end":"12:07","startHours":11.120627459794266,"endHours":12.120627459794266,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"12:07","end":"13:07","startHours":12.120627459794266,"endHours":13.120627459794266,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"13:07","end":"14:07","startHours":13.120627459794266,"endHours":14.120627459794266,"planetary_lord":"Moon"},{"name":"Hora 8","start":"14:07","end":"15:07","startHours":14.120627459794266,"endHours":15.120627459794266,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"15:07","end":"16:07","startHours":15.120627459794266,"endHours":16.120627459794264,"planetary_lord":"Venus"},{"name":"Hora 10","start":"16:07","end":"17:07","startHours":16.120627459794264,"endHours":17.120627459794264,"planetary_lord":"Sun"},{"name":"Hora 11","start":"17:07","end":"18:07","startHours":17.120627459794264,"endHours":18.120627459794264,"planetary_lord":"Mars"},{"name":"Hora 12","start":"18:07","end":"19:07","startHours":18.120627459794264,"endHours":19.120627459794264,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"19:07","end":"20:07","startHours":19.120627459794264,"endHours":20.120627459794264,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"20:07","end":"21:07","startHours":20.120627459794264,"endHours":21.120627459794264,"planetary_lord":"Moon"},{"name":"Hora 15","start":"21:07","end":"22:07","startHours":21.120627459794264,"endHours":22.120627459794264,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"22:07","end":"23:07","startHours":22.120627459794264,"endHours":23.120627459794264,"planetary_lord":"Venus"},{"name":"Hora 17","start":"23:07","end":"00:07","startHours":23.120627459794264,"endHours":24.120627459794264,"planetary_lord":"Sun"},{"name":"Hora 18","start":"00:07","end":"01:07","startHours":24.120627459794264,"endHours":25.120627459794264,"planetary_lord":"Mars"},{"name":"Hora 19","start":"01:07","end":"02:07","startHours":25.120627459794264,"endHours":26.120627459794264,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"02:07","end":"03:07","startHours":26.120627459794264,"endHours":27.120627459794264,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"03:07","end":"04:07","startHours":27.120627459794264,"endHours":28.120627459794264,"planetary_lord":"Moon"},{"name":"Hora 22","start":"04:07","end":"05:07","startHours":28.120627459794264,"endHours":29.120627459794264,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"05:07","end":"06:07","startHours":29.120627459794264,"endHours":30.120627459794264,"planetary_lord":"Venus"},{"name":"Hora 24","start":"06:07","end":"07:07","startHours":30.120627459794264,"endHours":31.120627459794264,"planetary_lord":"Sun"}],"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":"North (Uttara)","chandraVasa":"South","rahuVasa":"South-West","anandadiYoga":{"name":"Śrīvatsa","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.33036659042584,"eotMinutes":3.253368877108411,"ayanamsa":25.403}},"calendars":{"vikram_samvat":2167,"vikram_samvatsara":"Subhānu","saka_samvat":2032,"saka_samvatsara":"Pramoda","bengali_samvat":1517,"malayalam_era":1286,"nanakshahi_year":641,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Mārgaśīrṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Ṣaṣṭhī · Vikram 2167 Subhānu · Śaka 2032 Pramoda"},"festivals":[{"id":"skanda-shashthi","name":"Skanda Ṣaṣṭhī","name_sanskrit":"स्कन्द षष्ठी","tradition":"Shaiva","associated_deity":"Kārttikeya / Skanda / Murugan","significance":"Kārttikeya's victory over Tāraka. Important Shaiva day in Tamil tradition.","vrata":true,"detection":{"tithi_number":6,"tithi_paksha":"Śukla","lunar_month":"Mārgaśīrṣa"},"precedence":3}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 17, 2110 CE · Ṛṣikeśa · Vidhyamitra","description":"December 17, 2110 CE for Ṛṣikeśa: Śukla Ṣaṣṭhī, sūryodaya 07:07, sūryāsta 17:20.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2110-12-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2110-12-17","sa":"https://sa.vidhyamitra.com/city/rishikesh/2110-12-17","hi":"https://hi.vidhyamitra.com/city/rishikesh/2110-12-17","x-default":"https://vidhyamitra.com/city/rishikesh/2110-12-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T21:41:02.457Z","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":"2026-05-31T21:41:02.457Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T21:41:02.457Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}