{"id":"vidhyamitra:city-day:rishikesh:2089-12-11:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2089-12-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2089-12-11","date_display":"December 11, 2089 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":2089,"month":12,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2484396.770833,"kali_year":5191,"ahargana":1895931.2708,"sun":{"sidereal_longitude":233.9661,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":335.1659,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":101.1997,"elapsed_within_tithi_degrees":5.1997},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1,"moon_longitude":335.1659,"elapsed_within_degrees":1.8325},"yoga":{"number":16,"name":"Siddhi","sum_longitude":209.132},"karana":{"half_tithi_index":16,"name":"Bālava"},"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":2089,"month":12,"day":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2484396.770833,"ahargana":1895931.2708,"kali_year":5191,"ayanamsa_lahiri":25.1095,"grahas":{"sun":{"sidereal_longitude":234.60553099999993,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":333.751931,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false,"latitude":0.7243},"mars":{"sidereal_longitude":247.568531,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":248.91603099999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":218.230231,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":231.933131,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":41.061031000000014,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":164.4374,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":344.4374,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","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":2089,"month":12,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2484396.770833,"kali_year":5191,"ahargana":1895931.2708,"sun":{"sidereal_longitude":233.9661,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":335.1659,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":101.1997,"elapsed_within_tithi_degrees":5.1997},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1,"moon_longitude":335.1659,"elapsed_within_degrees":1.8325},"yoga":{"number":16,"name":"Siddhi","sum_longitude":209.132},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.724,"elongation":101.2},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.724,"opposition_distance":78.8}},"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":"07:04","sunsetLocal":"17:18","solarNoonLocal":"12:11","dayLengthHours":10.241768521589686,"dayLengthDisplay":"10 Hours 14 Mins 30 Secs","nightLengthDisplay":"13 Hours 45 Mins 30 Secs","moonriseLocal":"12:46","moonsetLocal":"00:49","rahuKala":{"name":"Rāhu Kāla","start":"16:01","end":"17:18","startHours":16.023021817520586,"endHours":17.303242882719296,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:11","end":"13:28","startHours":12.182358621924454,"endHours":13.462579687123164,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:45","end":"16:01","startHours":14.742800752321875,"endHours":16.023021817520586,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:27","end":"09:48","startHours":9.451220349500538,"endHours":9.792612633553526,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:29","end":"07:46","startHours":7.488214716195847,"endHours":7.761328543438238,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:31","startHours":11.840966337871464,"endHours":12.523750905977444,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:42","end":"06:23","startHours":5.695905224917652,"endHours":6.378689793023631,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:12","end":"07:04","startHours":6.207993650997136,"endHours":7.06147436112961,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:53","end":"14:34","startHours":13.8893200421894,"endHours":14.57210461029538,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:06","end":"17:30","startHours":17.103242882719297,"endHours":17.503242882719295,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:18","end":"17:44","startHours":17.303242882719296,"endHours":17.729983237785532,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:03","end":"18:48","startHours":17.053242882719296,"endHours":18.803242882719296,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:31","startHours":23.840966337871464,"endHours":24.523750905977444,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:04","end":"08:21","startHours":7.06147436112961,"endHours":8.341695426328322,"quality":"inauspicious"},{"name":"Chala","start":"08:21","end":"09:37","startHours":8.341695426328322,"endHours":9.621916491527031,"quality":"neutral"},{"name":"Labha","start":"09:37","end":"10:54","startHours":9.621916491527031,"endHours":10.902137556725743,"quality":"auspicious"},{"name":"Amṛta","start":"10:54","end":"12:11","startHours":10.902137556725743,"endHours":12.182358621924454,"quality":"auspicious"},{"name":"Kāla","start":"12:11","end":"13:28","startHours":12.182358621924454,"endHours":13.462579687123164,"quality":"inauspicious"},{"name":"Śubha","start":"13:28","end":"14:45","startHours":13.462579687123164,"endHours":14.742800752321875,"quality":"auspicious"},{"name":"Roga","start":"14:45","end":"16:01","startHours":14.742800752321875,"endHours":16.023021817520586,"quality":"inauspicious"},{"name":"Udveg","start":"16:01","end":"17:18","startHours":16.023021817520586,"endHours":17.303242882719296,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:18","end":"19:01","startHours":17.303242882719296,"endHours":19.023021817520586,"quality":"auspicious"},{"name":"Roga","start":"19:01","end":"20:45","startHours":19.023021817520586,"endHours":20.742800752321873,"quality":"inauspicious"},{"name":"Udveg","start":"20:45","end":"22:28","startHours":20.742800752321873,"endHours":22.462579687123164,"quality":"inauspicious"},{"name":"Chala","start":"22:28","end":"00:11","startHours":22.462579687123164,"endHours":24.182358621924454,"quality":"neutral"},{"name":"Labha","start":"00:11","end":"01:54","startHours":24.182358621924454,"endHours":25.90213755672574,"quality":"auspicious"},{"name":"Amṛta","start":"01:54","end":"03:37","startHours":25.90213755672574,"endHours":27.62191649152703,"quality":"auspicious"},{"name":"Kāla","start":"03:37","end":"05:21","startHours":27.62191649152703,"endHours":29.34169542632832,"quality":"inauspicious"},{"name":"Śubha","start":"05:21","end":"07:04","startHours":29.34169542632832,"endHours":31.061474361129612,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:04","end":"08:04","startHours":7.06147436112961,"endHours":8.06147436112961,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:04","end":"09:04","startHours":8.06147436112961,"endHours":9.06147436112961,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:04","end":"10:04","startHours":9.06147436112961,"endHours":10.06147436112961,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:04","end":"11:04","startHours":10.06147436112961,"endHours":11.06147436112961,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:04","end":"12:04","startHours":11.06147436112961,"endHours":12.06147436112961,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:04","end":"13:04","startHours":12.06147436112961,"endHours":13.06147436112961,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:04","end":"14:04","startHours":13.06147436112961,"endHours":14.06147436112961,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:04","end":"15:04","startHours":14.06147436112961,"endHours":15.06147436112961,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:04","end":"16:04","startHours":15.06147436112961,"endHours":16.061474361129612,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:04","end":"17:04","startHours":16.061474361129612,"endHours":17.061474361129612,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:04","end":"18:04","startHours":17.061474361129612,"endHours":18.061474361129612,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:04","end":"19:04","startHours":18.061474361129612,"endHours":19.061474361129612,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:04","end":"20:04","startHours":19.061474361129612,"endHours":20.061474361129612,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:04","end":"21:04","startHours":20.061474361129612,"endHours":21.061474361129612,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:04","end":"22:04","startHours":21.061474361129612,"endHours":22.061474361129612,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:04","end":"23:04","startHours":22.061474361129612,"endHours":23.061474361129612,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:04","end":"00:04","startHours":23.061474361129612,"endHours":24.061474361129612,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:04","end":"01:04","startHours":24.061474361129612,"endHours":25.061474361129612,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:04","end":"02:04","startHours":25.061474361129612,"endHours":26.061474361129612,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:04","end":"03:04","startHours":26.061474361129612,"endHours":27.061474361129612,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:04","end":"04:04","startHours":27.061474361129612,"endHours":28.061474361129612,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:04","end":"05:04","startHours":28.061474361129612,"endHours":29.061474361129612,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:04","end":"06:04","startHours":29.061474361129612,"endHours":30.061474361129612,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:04","end":"07:04","startHours":30.061474361129612,"endHours":31.061474361129612,"planetary_lord":"Jupiter"}],"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":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Cara","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":-23.038007233890305,"eotMinutes":5.988082684532823,"ayanamsa":25.1095}},"calendars":{"vikram_samvat":2146,"vikram_samvatsara":"Dundubhi","saka_samvat":2011,"saka_samvatsara":"Saumya","bengali_samvat":1496,"malayalam_era":1265,"nanakshahi_year":620,"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 Navamī · Vikram 2146 Dundubhi · Śaka 2011 Saumya"},"festivals":[],"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":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Śukla Navamī","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 11, 2089 CE · Ṛṣikeśa · Vidhyamitra","description":"December 11, 2089 CE for Ṛṣikeśa: Śukla Navamī, sūryodaya 07:04, sūryāsta 17:18.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2089-12-11","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2089-12-11","sa":"https://sa.vidhyamitra.com/city/rishikesh/2089-12-11","hi":"https://hi.vidhyamitra.com/city/rishikesh/2089-12-11","x-default":"https://vidhyamitra.com/city/rishikesh/2089-12-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T09:13:55.208Z","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":"2026-05-31T09:13:55.208Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T09:13:55.208Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}