{"id":"vidhyamitra:city-day:rishikesh:2019-12-23:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2019-12-23","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2019-12-23","date_display":"December 23, 2019 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":2019,"month":12,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458840.770833,"kali_year":5121,"ahargana":1870375.2708,"sun":{"sidereal_longitude":246.3959,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":207.4459,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":321.05,"elapsed_within_tithi_degrees":9.05},"nakshatra":{"number":16,"name":"Viśākhā","pada":3,"moon_longitude":207.4459,"elapsed_within_degrees":7.4459},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":93.8417},"karana":{"half_tithi_index":53,"name":"Taitila"},"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":2019,"month":12,"day":23,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2458840.770833,"ahargana":1870375.2708,"kali_year":5121,"ayanamsa_lahiri":24.132,"grahas":{"sun":{"sidereal_longitude":246.76325799999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"moon":{"sidereal_longitude":206.92215800000008,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false,"latitude":3.4993},"mars":{"sidereal_longitude":207.96845800000006,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":236.01235799999995,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":250.49525800000004,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"venus":{"sidereal_longitude":278.99425799999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":266.17675800000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":78.5173,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":258.5173,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","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":2019,"month":12,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458840.770833,"kali_year":5121,"ahargana":1870375.2708,"sun":{"sidereal_longitude":246.3959,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":207.4459,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":321.05,"elapsed_within_tithi_degrees":9.05},"nakshatra":{"number":16,"name":"Viśākhā","pada":3,"moon_longitude":207.4459,"elapsed_within_degrees":7.4459},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":93.8417},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.499,"elongation":38.95},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.499,"opposition_distance":141.05}},"eclipse_window_40days":[{"offset_days":3,"type":"solar","occurs":true,"moon_latitude":0.726,"elongation":0.409},{"offset_days":19,"type":"lunar","occurs":true,"moon_latitude":0.783,"opposition_distance":1.611}]},"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":"07:10","sunsetLocal":"17:23","solarNoonLocal":"12:16","dayLengthHours":10.205012200210362,"dayLengthDisplay":"10 Hours 12 Mins 18 Secs","nightLengthDisplay":"13 Hours 47 Mins 42 Secs","moonriseLocal":"04:18","moonsetLocal":"14:57","rahuKala":{"name":"Rāhu Kāla","start":"08:27","end":"09:43","startHours":8.447888896725996,"endHours":9.723515421752289,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:00","end":"12:16","startHours":10.999141946778586,"endHours":12.27476847180488,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:33","end":"14:50","startHours":13.550394996831177,"endHours":14.82602152185747,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:33","end":"09:54","startHours":9.553431885082118,"endHours":9.893598958422462,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:36","end":"07:52","startHours":7.597471213375131,"endHours":7.869604872047407,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:56","end":"12:37","startHours":11.934601398464535,"endHours":12.614935545145224,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:49","end":"06:30","startHours":5.8115940783383175,"endHours":6.4919282250190085,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:19","end":"07:10","startHours":6.321844688348836,"endHours":7.172262371699699,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:59","end":"14:39","startHours":13.975603838506608,"endHours":14.655937985187299,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:11","end":"17:35","startHours":17.17727457191006,"endHours":17.57727457191006,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:23","end":"17:48","startHours":17.37727457191006,"endHours":17.80248341358549,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:08","end":"18:53","startHours":17.12727457191006,"endHours":18.87727457191006,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:56","end":"00:37","startHours":23.934601398464533,"endHours":24.614935545145226,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:10","end":"08:27","startHours":7.172262371699699,"endHours":8.447888896725996,"quality":"auspicious"},{"name":"Kāla","start":"08:27","end":"09:43","startHours":8.447888896725996,"endHours":9.723515421752289,"quality":"inauspicious"},{"name":"Śubha","start":"09:43","end":"11:00","startHours":9.723515421752289,"endHours":10.999141946778586,"quality":"auspicious"},{"name":"Roga","start":"11:00","end":"12:16","startHours":10.999141946778586,"endHours":12.27476847180488,"quality":"inauspicious"},{"name":"Udveg","start":"12:16","end":"13:33","startHours":12.27476847180488,"endHours":13.550394996831177,"quality":"inauspicious"},{"name":"Chala","start":"13:33","end":"14:50","startHours":13.550394996831177,"endHours":14.82602152185747,"quality":"neutral"},{"name":"Labha","start":"14:50","end":"16:06","startHours":14.82602152185747,"endHours":16.101648046883767,"quality":"auspicious"},{"name":"Amṛta","start":"16:06","end":"17:23","startHours":16.101648046883767,"endHours":17.37727457191006,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:23","end":"19:06","startHours":17.37727457191006,"endHours":19.101648046883767,"quality":"neutral"},{"name":"Labha","start":"19:06","end":"20:50","startHours":19.101648046883767,"endHours":20.82602152185747,"quality":"auspicious"},{"name":"Amṛta","start":"20:50","end":"22:33","startHours":20.82602152185747,"endHours":22.550394996831173,"quality":"auspicious"},{"name":"Kāla","start":"22:33","end":"00:16","startHours":22.550394996831173,"endHours":24.27476847180488,"quality":"inauspicious"},{"name":"Śubha","start":"00:16","end":"02:00","startHours":24.27476847180488,"endHours":25.999141946778586,"quality":"auspicious"},{"name":"Roga","start":"02:00","end":"03:43","startHours":25.999141946778586,"endHours":27.72351542175229,"quality":"inauspicious"},{"name":"Udveg","start":"03:43","end":"05:27","startHours":27.72351542175229,"endHours":29.447888896725992,"quality":"inauspicious"},{"name":"Chala","start":"05:27","end":"07:10","startHours":29.447888896725992,"endHours":31.1722623716997,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:10","end":"08:10","startHours":7.172262371699699,"endHours":8.172262371699698,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:10","end":"09:10","startHours":8.172262371699698,"endHours":9.172262371699698,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:10","end":"10:10","startHours":9.172262371699698,"endHours":10.172262371699698,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:10","end":"11:10","startHours":10.172262371699698,"endHours":11.172262371699698,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:10","end":"12:10","startHours":11.172262371699698,"endHours":12.172262371699698,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:10","end":"13:10","startHours":12.172262371699698,"endHours":13.172262371699698,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:10","end":"14:10","startHours":13.172262371699698,"endHours":14.172262371699698,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:10","end":"15:10","startHours":14.172262371699698,"endHours":15.172262371699698,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:10","end":"16:10","startHours":15.172262371699698,"endHours":16.1722623716997,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:10","end":"17:10","startHours":16.1722623716997,"endHours":17.1722623716997,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:10","end":"18:10","startHours":17.1722623716997,"endHours":18.1722623716997,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:10","end":"19:10","startHours":18.1722623716997,"endHours":19.1722623716997,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:10","end":"20:10","startHours":19.1722623716997,"endHours":20.1722623716997,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:10","end":"21:10","startHours":20.1722623716997,"endHours":21.1722623716997,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:10","end":"22:10","startHours":21.1722623716997,"endHours":22.1722623716997,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:10","end":"23:10","startHours":22.1722623716997,"endHours":23.1722623716997,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:10","end":"00:10","startHours":23.1722623716997,"endHours":24.1722623716997,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:10","end":"01:10","startHours":24.1722623716997,"endHours":25.1722623716997,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:10","end":"02:10","startHours":25.1722623716997,"endHours":26.1722623716997,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:10","end":"03:10","startHours":26.1722623716997,"endHours":27.1722623716997,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:10","end":"04:10","startHours":27.1722623716997,"endHours":28.1722623716997,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:10","end":"05:10","startHours":28.1722623716997,"endHours":29.1722623716997,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:10","end":"06:10","startHours":29.1722623716997,"endHours":30.1722623716997,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:10","end":"07:10","startHours":30.1722623716997,"endHours":31.1722623716997,"planetary_lord":"Venus"}],"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","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"North","rahuVasa":"North-East","anandadiYoga":{"name":"Śubha","quality":"Auspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-23.433468104279786,"eotMinutes":0.4434916917071845,"ayanamsa":24.132}},"calendars":{"vikram_samvat":2076,"vikram_samvatsara":"Paridhāvi","saka_samvat":1941,"saka_samvatsara":"Vikāri","bengali_samvat":1426,"malayalam_era":1195,"nanakshahi_year":550,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Dvādaśī · Vikram 2076 Paridhāvi · Śaka 1941 Vikāri"},"festivals":[{"id":"lohri","name":"Lohri","name_sanskrit":"लोहड़ी","tradition":"Regional","significance":"Punjab harvest festival; eve of Makara Saṅkrānti. (Approximated as 13/14 January annually; correct via Sun in Dhanu/Makara cusp.)","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":4},{"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":"Dhanu"},"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":[{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","url":"/day/-0562-04-11","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 23, 2019 CE · Ṛṣikeśa · Vidhyamitra","description":"December 23, 2019 CE for Ṛṣikeśa: Kṛṣṇa Dvādaśī, sūryodaya 07:10, sūryāsta 17:23.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2019-12-23","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2019-12-23","sa":"https://sa.vidhyamitra.com/city/rishikesh/2019-12-23","hi":"https://hi.vidhyamitra.com/city/rishikesh/2019-12-23","x-default":"https://vidhyamitra.com/city/rishikesh/2019-12-23"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T06:34:37.874Z","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":"2026-05-15T06:34:37.874Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T06:34:37.874Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}