{"id":"vidhyamitra:city-day:rishikesh:2108-02-23:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2108-02-23","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2108-02-23","date_display":"February 23, 2108 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":2108,"month":2,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2491043.770833,"kali_year":5209,"ahargana":1902578.2708,"sun":{"sidereal_longitude":308.0371,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":76.4541,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":128.417,"elapsed_within_tithi_degrees":8.417},"nakshatra":{"number":6,"name":"Ārdrā","pada":3,"moon_longitude":76.4541,"elapsed_within_degrees":9.7875},"yoga":{"number":2,"name":"Prīti","sum_longitude":24.4912},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2108,"month":2,"day":23,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2491043.770833,"ahargana":1902578.2708,"kali_year":5209,"ayanamsa_lahiri":25.3637,"grahas":{"sun":{"sidereal_longitude":308.164767,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":74.246467,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false,"latitude":-4.477},"mars":{"sidereal_longitude":169.71006699999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":284.08886699999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":45.09906699999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":353.063667,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":268.49056700000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":172.2474,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":352.2474,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","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":2108,"month":2,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2491043.770833,"kali_year":5209,"ahargana":1902578.2708,"sun":{"sidereal_longitude":308.0371,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":76.4541,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":128.417,"elapsed_within_tithi_degrees":8.417},"nakshatra":{"number":6,"name":"Ārdrā","pada":3,"moon_longitude":76.4541,"elapsed_within_degrees":9.7875},"yoga":{"number":2,"name":"Prīti","sum_longitude":24.4912},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.477,"elongation":128.417},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.477,"opposition_distance":51.583}},"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":"06:51","sunsetLocal":"18:11","solarNoonLocal":"12:31","dayLengthHours":11.332237627832647,"dayLengthDisplay":"11 Hours 19 Mins 56 Secs","nightLengthDisplay":"12 Hours 40 Mins 04 Secs","moonriseLocal":"13:55","moonsetLocal":"03:55","rahuKala":{"name":"Rāhu Kāla","start":"13:56","end":"15:21","startHours":13.931494652803472,"endHours":15.348024356282554,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:51","end":"08:16","startHours":6.848846135408068,"endHours":8.265375838887149,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:41","end":"11:06","startHours":9.68190554236623,"endHours":11.09843524584531,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:30","end":"09:52","startHours":9.493034915235686,"endHours":9.870776169496773,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:19","end":"07:37","startHours":7.321022703234428,"endHours":7.623215706643299,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:08","end":"12:54","startHours":12.137223695063302,"endHours":12.89270620358548,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:20","end":"06:06","startHours":5.337881118363715,"endHours":6.093363626885892,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:54","end":"06:51","startHours":5.904492999755347,"endHours":6.848846135408068,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:24","end":"15:10","startHours":14.403671220629832,"endHours":15.159153729152008,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:59","end":"18:23","startHours":17.981083763240715,"endHours":18.381083763240714,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:11","end":"18:39","startHours":18.181083763240714,"endHours":18.653260331067074,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:56","end":"19:41","startHours":17.931083763240714,"endHours":19.681083763240714,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:08","end":"00:54","startHours":24.1372236950633,"endHours":24.89270620358548,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:51","end":"08:16","startHours":6.848846135408068,"endHours":8.265375838887149,"quality":"auspicious"},{"name":"Roga","start":"08:16","end":"09:41","startHours":8.265375838887149,"endHours":9.68190554236623,"quality":"inauspicious"},{"name":"Udveg","start":"09:41","end":"11:06","startHours":9.68190554236623,"endHours":11.09843524584531,"quality":"inauspicious"},{"name":"Chala","start":"11:06","end":"12:31","startHours":11.09843524584531,"endHours":12.51496494932439,"quality":"neutral"},{"name":"Labha","start":"12:31","end":"13:56","startHours":12.51496494932439,"endHours":13.931494652803472,"quality":"auspicious"},{"name":"Amṛta","start":"13:56","end":"15:21","startHours":13.931494652803472,"endHours":15.348024356282554,"quality":"auspicious"},{"name":"Kāla","start":"15:21","end":"16:46","startHours":15.348024356282554,"endHours":16.764554059761632,"quality":"inauspicious"},{"name":"Śubha","start":"16:46","end":"18:11","startHours":16.764554059761632,"endHours":18.181083763240714,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:11","end":"19:46","startHours":18.181083763240714,"endHours":19.764554059761632,"quality":"auspicious"},{"name":"Kāla","start":"19:46","end":"21:21","startHours":19.764554059761632,"endHours":21.34802435628255,"quality":"inauspicious"},{"name":"Śubha","start":"21:21","end":"22:56","startHours":21.34802435628255,"endHours":22.931494652803472,"quality":"auspicious"},{"name":"Roga","start":"22:56","end":"00:31","startHours":22.931494652803472,"endHours":24.51496494932439,"quality":"inauspicious"},{"name":"Udveg","start":"00:31","end":"02:06","startHours":24.51496494932439,"endHours":26.09843524584531,"quality":"inauspicious"},{"name":"Chala","start":"02:06","end":"03:41","startHours":26.09843524584531,"endHours":27.68190554236623,"quality":"neutral"},{"name":"Labha","start":"03:41","end":"05:16","startHours":27.68190554236623,"endHours":29.26537583888715,"quality":"auspicious"},{"name":"Amṛta","start":"05:16","end":"06:51","startHours":29.26537583888715,"endHours":30.848846135408067,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:51","end":"07:51","startHours":6.848846135408068,"endHours":7.848846135408068,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:51","end":"08:51","startHours":7.848846135408068,"endHours":8.848846135408067,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:51","end":"09:51","startHours":8.848846135408067,"endHours":9.848846135408067,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:51","end":"10:51","startHours":9.848846135408067,"endHours":10.848846135408067,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:51","end":"11:51","startHours":10.848846135408067,"endHours":11.848846135408067,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:51","end":"12:51","startHours":11.848846135408067,"endHours":12.848846135408067,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:51","end":"13:51","startHours":12.848846135408067,"endHours":13.848846135408067,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:51","end":"14:51","startHours":13.848846135408067,"endHours":14.848846135408067,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:51","end":"15:51","startHours":14.848846135408067,"endHours":15.848846135408067,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:51","end":"16:51","startHours":15.848846135408067,"endHours":16.848846135408067,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:51","end":"17:51","startHours":16.848846135408067,"endHours":17.848846135408067,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:51","end":"18:51","startHours":17.848846135408067,"endHours":18.848846135408067,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:51","end":"19:51","startHours":18.848846135408067,"endHours":19.848846135408067,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:51","end":"20:51","startHours":19.848846135408067,"endHours":20.848846135408067,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:51","end":"21:51","startHours":20.848846135408067,"endHours":21.848846135408067,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:51","end":"22:51","startHours":21.848846135408067,"endHours":22.848846135408067,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:51","end":"23:51","startHours":22.848846135408067,"endHours":23.848846135408067,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:51","end":"00:51","startHours":23.848846135408067,"endHours":24.848846135408067,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:51","end":"01:51","startHours":24.848846135408067,"endHours":25.848846135408067,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:51","end":"02:51","startHours":25.848846135408067,"endHours":26.848846135408067,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:51","end":"03:51","startHours":26.848846135408067,"endHours":27.848846135408067,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:51","end":"04:51","startHours":27.848846135408067,"endHours":28.848846135408067,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:51","end":"05:51","startHours":28.848846135408067,"endHours":29.848846135408067,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:51","end":"06:51","startHours":29.848846135408067,"endHours":30.848846135408067,"planetary_lord":"Moon"}],"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","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South","rahuVasa":"North-West","anandadiYoga":{"name":"Mausala","quality":"Inauspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-10.211977768569824,"eotMinutes":-13.968296959463448,"ayanamsa":25.3637}},"calendars":{"vikram_samvat":2165,"vikram_samvatsara":"Vṛṣa","saka_samvat":2030,"saka_samvatsara":"Vibhava","bengali_samvat":1515,"malayalam_era":1284,"nanakshahi_year":639,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Śukla Pakṣa","solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Śukla Ekādaśī · Vikram 2165 Vṛṣa · Śaka 2030 Vibhava"},"festivals":[{"id":"amalaki-ekadashi","name":"Āmalakī Ekādaśī","name_sanskrit":"आमलकी एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu (in Āmalakī tree)","significance":"Worship of Āmalakī (Indian gooseberry, sacred to Viṣṇu).","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Phālguna"},"precedence":4},{"id":"rangbhari-ekadashi","name":"Raṅgbhari Ekādaśī","name_sanskrit":"रङ्गभरी एकादशी","tradition":"Shaiva","associated_deity":"Śiva-Pārvatī","significance":"Kāśī tradition: Śiva brings Pārvatī home; rang-utsava begins.","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Phālguna"},"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":"kumbha-sankranti","name":"Kumbha Saṅkrānti","name_sanskrit":"कुम्भ सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aquarius; Kumbha-māsa begins.","vrata":false,"detection":{"sun_rashi":"Kumbha"},"precedence":5}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 February 23, 2108 CE · Ṛṣikeśa · Vidhyamitra","description":"February 23, 2108 CE for Ṛṣikeśa: Śukla Ekādaśī, sūryodaya 06:51, sūryāsta 18:11.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2108-02-23","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2108-02-23","sa":"https://sa.vidhyamitra.com/city/rishikesh/2108-02-23","hi":"https://hi.vidhyamitra.com/city/rishikesh/2108-02-23","x-default":"https://vidhyamitra.com/city/rishikesh/2108-02-23"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-22T17:15:16.285Z","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":"2026-05-22T17:15:16.285Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-22T17:15:16.285Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}