{"id":"vidhyamitra:city-day:rishikesh:2012-12-09:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2012-12-09","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2012-12-09","date_display":"December 9, 2012 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":2012,"month":12,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456270.770833,"kali_year":5114,"ahargana":1867805.2708,"sun":{"sidereal_longitude":232.8641,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":175.9971,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":303.133,"elapsed_within_tithi_degrees":3.133},"nakshatra":{"number":14,"name":"Citrā","pada":1,"moon_longitude":175.9971,"elapsed_within_degrees":2.6638},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":48.8612},"karana":{"half_tithi_index":50,"name":"Bava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":2012,"month":12,"day":9,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2456270.770833,"ahargana":1867805.2708,"kali_year":5114,"ayanamsa_lahiri":24.0337,"grahas":{"sun":{"sidereal_longitude":233.32995099999994,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":173.46165099999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false,"latitude":-2.8113},"mars":{"sidereal_longitude":262.61025100000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":213.07805099999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":46.06005099999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":true},"venus":{"sidereal_longitude":206.88205100000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":193.16015100000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":214.6882,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":34.6882,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","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":2012,"month":12,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456270.770833,"kali_year":5114,"ahargana":1867805.2708,"sun":{"sidereal_longitude":232.8641,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":175.9971,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":303.133,"elapsed_within_tithi_degrees":3.133},"nakshatra":{"number":14,"name":"Citrā","pada":1,"moon_longitude":175.9971,"elapsed_within_degrees":2.6638},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":48.8612},"karana":{"half_tithi_index":50,"name":"Bava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.811,"elongation":56.867},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.811,"opposition_distance":123.133}},"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":"07:02","sunsetLocal":"17:18","solarNoonLocal":"12:10","dayLengthHours":10.260425024393328,"dayLengthDisplay":"10 Hours 15 Mins 38 Secs","nightLengthDisplay":"13 Hours 44 Mins 22 Secs","moonriseLocal":"02:24","moonsetLocal":"13:57","rahuKala":{"name":"Rāhu Kāla","start":"16:01","end":"17:18","startHours":16.01537167667748,"endHours":17.297924804726645,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:10","end":"13:27","startHours":12.16771229252998,"endHours":13.450265420579147,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:44","end":"16:01","startHours":14.732818548628313,"endHours":16.01537167667748,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:26","end":"09:46","startHours":9.43159895269176,"endHours":9.773613120171538,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:28","end":"07:44","startHours":7.465017489683039,"endHours":7.73862882366686,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:31","startHours":11.825698125050202,"endHours":12.509726460009759,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:40","end":"06:21","startHours":5.669443110414206,"endHours":6.353471445373762,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:11","end":"07:02","startHours":6.182464361633873,"endHours":7.037499780333317,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:53","end":"14:34","startHours":13.877783129928869,"endHours":14.561811464888423,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:06","end":"17:30","startHours":17.097924804726645,"endHours":17.497924804726644,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:18","end":"17:44","startHours":17.297924804726645,"endHours":17.725442514076367,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:03","end":"18:48","startHours":17.047924804726645,"endHours":18.797924804726645,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:31","startHours":23.825698125050202,"endHours":24.50972646000976,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:02","end":"08:19","startHours":7.037499780333317,"endHours":8.320052908382483,"quality":"inauspicious"},{"name":"Chala","start":"08:19","end":"09:36","startHours":8.320052908382483,"endHours":9.602606036431649,"quality":"neutral"},{"name":"Labha","start":"09:36","end":"10:53","startHours":9.602606036431649,"endHours":10.885159164480815,"quality":"auspicious"},{"name":"Amṛta","start":"10:53","end":"12:10","startHours":10.885159164480815,"endHours":12.16771229252998,"quality":"auspicious"},{"name":"Kāla","start":"12:10","end":"13:27","startHours":12.16771229252998,"endHours":13.450265420579147,"quality":"inauspicious"},{"name":"Śubha","start":"13:27","end":"14:44","startHours":13.450265420579147,"endHours":14.732818548628313,"quality":"auspicious"},{"name":"Roga","start":"14:44","end":"16:01","startHours":14.732818548628313,"endHours":16.01537167667748,"quality":"inauspicious"},{"name":"Udveg","start":"16:01","end":"17:18","startHours":16.01537167667748,"endHours":17.297924804726645,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:18","end":"19:01","startHours":17.297924804726645,"endHours":19.01537167667748,"quality":"auspicious"},{"name":"Roga","start":"19:01","end":"20:44","startHours":19.01537167667748,"endHours":20.732818548628313,"quality":"inauspicious"},{"name":"Udveg","start":"20:44","end":"22:27","startHours":20.732818548628313,"endHours":22.450265420579147,"quality":"inauspicious"},{"name":"Chala","start":"22:27","end":"00:10","startHours":22.450265420579147,"endHours":24.16771229252998,"quality":"neutral"},{"name":"Labha","start":"00:10","end":"01:53","startHours":24.16771229252998,"endHours":25.885159164480815,"quality":"auspicious"},{"name":"Amṛta","start":"01:53","end":"03:36","startHours":25.885159164480815,"endHours":27.60260603643165,"quality":"auspicious"},{"name":"Kāla","start":"03:36","end":"05:19","startHours":27.60260603643165,"endHours":29.320052908382483,"quality":"inauspicious"},{"name":"Śubha","start":"05:19","end":"07:02","startHours":29.320052908382483,"endHours":31.037499780333317,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:02","end":"08:02","startHours":7.037499780333317,"endHours":8.037499780333317,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:02","end":"09:02","startHours":8.037499780333317,"endHours":9.037499780333317,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:02","end":"10:02","startHours":9.037499780333317,"endHours":10.037499780333317,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:02","end":"11:02","startHours":10.037499780333317,"endHours":11.037499780333317,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:02","end":"12:02","startHours":11.037499780333317,"endHours":12.037499780333317,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:02","end":"13:02","startHours":12.037499780333317,"endHours":13.037499780333317,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:02","end":"14:02","startHours":13.037499780333317,"endHours":14.037499780333317,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:02","end":"15:02","startHours":14.037499780333317,"endHours":15.037499780333317,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:02","end":"16:02","startHours":15.037499780333317,"endHours":16.037499780333317,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:02","end":"17:02","startHours":16.037499780333317,"endHours":17.037499780333317,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:02","end":"18:02","startHours":17.037499780333317,"endHours":18.037499780333317,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:02","end":"19:02","startHours":18.037499780333317,"endHours":19.037499780333317,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:02","end":"20:02","startHours":19.037499780333317,"endHours":20.037499780333317,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:02","end":"21:02","startHours":20.037499780333317,"endHours":21.037499780333317,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:02","end":"22:02","startHours":21.037499780333317,"endHours":22.037499780333317,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:02","end":"23:02","startHours":22.037499780333317,"endHours":23.037499780333317,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:02","end":"00:02","startHours":23.037499780333317,"endHours":24.037499780333317,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:02","end":"01:02","startHours":24.037499780333317,"endHours":25.037499780333317,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:02","end":"02:02","startHours":25.037499780333317,"endHours":26.037499780333317,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:02","end":"03:02","startHours":26.037499780333317,"endHours":27.037499780333317,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:02","end":"04:02","startHours":27.037499780333317,"endHours":28.037499780333317,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:02","end":"05:02","startHours":28.037499780333317,"endHours":29.037499780333317,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:02","end":"06:02","startHours":29.037499780333317,"endHours":30.037499780333317,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:02","end":"07:02","startHours":30.037499780333317,"endHours":31.037499780333317,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"North-West","rahuVasa":"North-East","anandadiYoga":{"name":"Padma","quality":"Auspicious"},"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":-22.836243752139175,"eotMinutes":6.866862448201248,"ayanamsa":24.0337}},"calendars":{"vikram_samvat":2069,"vikram_samvatsara":"Viśvāvasu","saka_samvat":1934,"saka_samvatsara":"Nandana","bengali_samvat":1419,"malayalam_era":1188,"nanakshahi_year":543,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Kṛṣṇa Pakṣa","solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Kṛṣṇa Ekādaśī · Vikram 2069 Viśvāvasu · Śaka 1934 Nandana"},"festivals":[{"id":"saphala-ekadashi","name":"Saphalā Ekādaśī","name_sanskrit":"सफला एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Renders all undertakings fruitful (saphala).","vrata":true,"detection":{"tithi_number":26,"tithi_paksha":"Kṛṣṇa","lunar_month":"Mārgaśīrṣa"},"precedence":4},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5},{"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":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 9, 2012 CE · Ṛṣikeśa · Vidhyamitra","description":"December 9, 2012 CE for Ṛṣikeśa: Kṛṣṇa Ekādaśī, sūryodaya 07:02, sūryāsta 17:18.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2012-12-09","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2012-12-09","sa":"https://sa.vidhyamitra.com/city/rishikesh/2012-12-09","hi":"https://hi.vidhyamitra.com/city/rishikesh/2012-12-09","x-default":"https://vidhyamitra.com/city/rishikesh/2012-12-09"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-16T13:12:08.222Z","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":"2026-05-16T13:12:08.222Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-16T13:12:08.222Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}