{"id":"vidhyamitra:city-day:rishikesh:2000-12-23:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2000-12-23","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2000-12-23","date_display":"December 23, 2000 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":2000,"month":12,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451901.770833,"kali_year":5102,"ahargana":1863436.2708,"sun":{"sidereal_longitude":247.3374,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":216.755,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":329.4176,"elapsed_within_tithi_degrees":5.4176},"nakshatra":{"number":17,"name":"Anurādhā","pada":2,"moon_longitude":216.755,"elapsed_within_degrees":3.4217},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":104.0924},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":2000,"month":12,"day":23,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2451901.770833,"ahargana":1863436.2708,"kali_year":5102,"ayanamsa_lahiri":23.8666,"grahas":{"sun":{"sidereal_longitude":247.65227900000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"moon":{"sidereal_longitude":217.75407900000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false,"latitude":3.4165},"mars":{"sidereal_longitude":185.76497900000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":246.07077900000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":39.124078999999995,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":293.06197899999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":31.075079000000017,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":86.1789,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":266.1789,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","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":2000,"month":12,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451901.770833,"kali_year":5102,"ahargana":1863436.2708,"sun":{"sidereal_longitude":247.3374,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":216.755,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":329.4176,"elapsed_within_tithi_degrees":5.4176},"nakshatra":{"number":17,"name":"Anurādhā","pada":2,"moon_longitude":216.755,"elapsed_within_degrees":3.4217},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":104.0924},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.416,"elongation":30.582},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.416,"opposition_distance":149.418}},"eclipse_window_40days":[{"offset_days":18,"type":"lunar","occurs":true,"moon_latitude":0.182,"opposition_distance":1.705}]},"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":10.205543287524556,"dayLengthDisplay":"10 Hours 12 Mins 20 Secs","nightLengthDisplay":"13 Hours 47 Mins 40 Secs","moonriseLocal":"05:04","moonsetLocal":"15:30","rahuKala":{"name":"Rāhu Kāla","start":"09:43","end":"11:00","startHours":9.723382649923739,"endHours":10.99907556086431,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:33","end":"14:50","startHours":13.550461382745448,"endHours":14.826154293686017,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:10","end":"08:27","startHours":7.171996828042601,"endHours":8.44768973898317,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:33","end":"09:54","startHours":9.553290261798331,"endHours":9.893475038049148,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:36","end":"07:52","startHours":7.597227798356124,"endHours":7.869375619356778,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:56","end":"12:37","startHours":11.93458369555406,"endHours":12.614953248055699,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:49","end":"06:29","startHours":5.8112577230393265,"endHours":6.491627275540964,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:19","end":"07:10","startHours":6.321534887415554,"endHours":7.171996828042601,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:59","end":"14:39","startHours":13.975692353058971,"endHours":14.656061905560607,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:11","end":"17:35","startHours":17.177540115567158,"endHours":17.577540115567157,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:23","end":"17:48","startHours":17.377540115567157,"endHours":17.802771085880682,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:08","end":"18:53","startHours":17.127540115567157,"endHours":18.877540115567157,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:56","end":"00:37","startHours":23.93458369555406,"endHours":24.6149532480557,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:10","end":"08:27","startHours":7.171996828042601,"endHours":8.44768973898317,"quality":"inauspicious"},{"name":"Śubha","start":"08:27","end":"09:43","startHours":8.44768973898317,"endHours":9.723382649923739,"quality":"auspicious"},{"name":"Roga","start":"09:43","end":"11:00","startHours":9.723382649923739,"endHours":10.99907556086431,"quality":"inauspicious"},{"name":"Udveg","start":"11:00","end":"12:16","startHours":10.99907556086431,"endHours":12.27476847180488,"quality":"inauspicious"},{"name":"Chala","start":"12:16","end":"13:33","startHours":12.27476847180488,"endHours":13.550461382745448,"quality":"neutral"},{"name":"Labha","start":"13:33","end":"14:50","startHours":13.550461382745448,"endHours":14.826154293686017,"quality":"auspicious"},{"name":"Amṛta","start":"14:50","end":"16:06","startHours":14.826154293686017,"endHours":16.101847204626587,"quality":"auspicious"},{"name":"Kāla","start":"16:06","end":"17:23","startHours":16.101847204626587,"endHours":17.377540115567157,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:23","end":"19:06","startHours":17.377540115567157,"endHours":19.101847204626587,"quality":"auspicious"},{"name":"Amṛta","start":"19:06","end":"20:50","startHours":19.101847204626587,"endHours":20.826154293686017,"quality":"auspicious"},{"name":"Kāla","start":"20:50","end":"22:33","startHours":20.826154293686017,"endHours":22.55046138274545,"quality":"inauspicious"},{"name":"Śubha","start":"22:33","end":"00:16","startHours":22.55046138274545,"endHours":24.27476847180488,"quality":"auspicious"},{"name":"Roga","start":"00:16","end":"02:00","startHours":24.27476847180488,"endHours":25.99907556086431,"quality":"inauspicious"},{"name":"Udveg","start":"02:00","end":"03:43","startHours":25.99907556086431,"endHours":27.723382649923742,"quality":"inauspicious"},{"name":"Chala","start":"03:43","end":"05:27","startHours":27.723382649923742,"endHours":29.447689738983172,"quality":"neutral"},{"name":"Labha","start":"05:27","end":"07:10","startHours":29.447689738983172,"endHours":31.1719968280426,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:10","end":"08:10","startHours":7.171996828042601,"endHours":8.171996828042602,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:10","end":"09:10","startHours":8.171996828042602,"endHours":9.171996828042602,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:10","end":"10:10","startHours":9.171996828042602,"endHours":10.171996828042602,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:10","end":"11:10","startHours":10.171996828042602,"endHours":11.171996828042602,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:10","end":"12:10","startHours":11.171996828042602,"endHours":12.171996828042602,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:10","end":"13:10","startHours":12.171996828042602,"endHours":13.171996828042602,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:10","end":"14:10","startHours":13.171996828042602,"endHours":14.171996828042602,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:10","end":"15:10","startHours":14.171996828042602,"endHours":15.171996828042602,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:10","end":"16:10","startHours":15.171996828042602,"endHours":16.1719968280426,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:10","end":"17:10","startHours":16.1719968280426,"endHours":17.1719968280426,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:10","end":"18:10","startHours":17.1719968280426,"endHours":18.1719968280426,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:10","end":"19:10","startHours":18.1719968280426,"endHours":19.1719968280426,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:10","end":"20:10","startHours":19.1719968280426,"endHours":20.1719968280426,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:10","end":"21:10","startHours":20.1719968280426,"endHours":21.1719968280426,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:10","end":"22:10","startHours":21.1719968280426,"endHours":22.1719968280426,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:10","end":"23:10","startHours":22.1719968280426,"endHours":23.1719968280426,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:10","end":"00:10","startHours":23.1719968280426,"endHours":24.1719968280426,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:10","end":"01:10","startHours":24.1719968280426,"endHours":25.1719968280426,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:10","end":"02:10","startHours":25.1719968280426,"endHours":26.1719968280426,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:10","end":"03:10","startHours":26.1719968280426,"endHours":27.1719968280426,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:10","end":"04:10","startHours":27.1719968280426,"endHours":28.1719968280426,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:10","end":"05:10","startHours":28.1719968280426,"endHours":29.1719968280426,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:10","end":"06:10","startHours":29.1719968280426,"endHours":30.1719968280426,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:10","end":"07:10","startHours":30.1719968280426,"endHours":31.1719968280426,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-East","rahuVasa":"East","anandadiYoga":{"name":"Mānasa","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":-23.427773537182972,"eotMinutes":0.4434916917071845,"ayanamsa":23.8666}},"calendars":{"vikram_samvat":2057,"vikram_samvatsara":"Vijaya","saka_samvat":1922,"saka_samvatsara":"Vikrama","bengali_samvat":1407,"malayalam_era":1176,"nanakshahi_year":531,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Trayodaśī · Vikram 2057 Vijaya · Śaka 1922 Vikrama"},"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},{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 23, 2000 CE · Ṛṣikeśa · Vidhyamitra","description":"December 23, 2000 CE for Ṛṣikeśa: Kṛṣṇa Trayodaśī, sūryodaya 07:10, sūryāsta 17:23.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2000-12-23","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2000-12-23","sa":"https://sa.vidhyamitra.com/city/rishikesh/2000-12-23","hi":"https://hi.vidhyamitra.com/city/rishikesh/2000-12-23","x-default":"https://vidhyamitra.com/city/rishikesh/2000-12-23"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-16T23:45:30.647Z","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":"2026-05-16T23:45:30.647Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-16T23:45:30.647Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}