{"id":"vidhyamitra:city-day:rishikesh:2083-04-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2083-04-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2083-04-13","date_display":"April 13, 2083 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":2083,"month":4,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2481962.770833,"kali_year":5184,"ahargana":1893497.2708,"sun":{"sidereal_longitude":358.261,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":311.2892,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":313.0283,"elapsed_within_tithi_degrees":1.0283},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2,"moon_longitude":311.2892,"elapsed_within_degrees":4.6226},"yoga":{"number":24,"name":"Śukla","sum_longitude":309.5502},"karana":{"half_tithi_index":52,"name":"Kaulava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2083,"month":4,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2481962.770833,"ahargana":1893497.2708,"kali_year":5184,"ayanamsa_lahiri":25.0164,"grahas":{"sun":{"sidereal_longitude":358.314928,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":312.603928,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false,"latitude":1.3808},"mars":{"sidereal_longitude":49.38372800000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":2.931728000000021,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":16.125428,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":329.520128,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":321.27582800000005,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":293.4024,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":113.4024,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":2083,"month":4,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2481962.770833,"kali_year":5184,"ahargana":1893497.2708,"sun":{"sidereal_longitude":358.261,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":311.2892,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":313.0283,"elapsed_within_tithi_degrees":1.0283},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2,"moon_longitude":311.2892,"elapsed_within_degrees":4.6226},"yoga":{"number":24,"name":"Śukla","sum_longitude":309.5502},"karana":{"half_tithi_index":52,"name":"Kaulava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.381,"elongation":46.972},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.381,"opposition_distance":133.028}},"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":"05:53","sunsetLocal":"18:43","solarNoonLocal":"12:18","dayLengthHours":12.837673935179886,"dayLengthDisplay":"12 Hours 50 Mins 16 Secs","nightLengthDisplay":"11 Hours 09 Mins 44 Secs","moonriseLocal":"03:32","moonsetLocal":"14:57","rahuKala":{"name":"Rāhu Kāla","start":"15:30","end":"17:07","startHours":15.504408664290043,"endHours":17.10911790618753,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:05","end":"10:41","startHours":9.0855716967001,"endHours":10.690280938597587,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:18","end":"13:54","startHours":12.294990180495073,"endHours":13.899699422392558,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:52","end":"09:18","startHours":8.871610464447103,"endHours":9.299532928953099,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:25","end":"06:45","startHours":6.411056293537625,"endHours":6.753394265142422,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:43","startHours":11.867067715989077,"endHours":12.72291264500107,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:10","end":"05:01","startHours":4.1644633548811445,"endHours":5.020308283893137,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:48","end":"05:53","startHours":4.806347051640139,"endHours":5.8761532129051295,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:26","end":"15:17","startHours":14.434602503025054,"endHours":15.290447432037046,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:31","end":"18:55","startHours":18.513827148085017,"endHours":18.913827148085016,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:43","end":"19:15","startHours":18.713827148085016,"endHours":19.248730228717513,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:28","end":"20:13","startHours":18.463827148085016,"endHours":20.213827148085016,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:43","startHours":23.867067715989077,"endHours":24.72291264500107,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:53","end":"07:29","startHours":5.8761532129051295,"endHours":7.480862454802615,"quality":"inauspicious"},{"name":"Udveg","start":"07:29","end":"09:05","startHours":7.480862454802615,"endHours":9.0855716967001,"quality":"inauspicious"},{"name":"Chala","start":"09:05","end":"10:41","startHours":9.0855716967001,"endHours":10.690280938597587,"quality":"neutral"},{"name":"Labha","start":"10:41","end":"12:18","startHours":10.690280938597587,"endHours":12.294990180495073,"quality":"auspicious"},{"name":"Amṛta","start":"12:18","end":"13:54","startHours":12.294990180495073,"endHours":13.899699422392558,"quality":"auspicious"},{"name":"Kāla","start":"13:54","end":"15:30","startHours":13.899699422392558,"endHours":15.504408664290043,"quality":"inauspicious"},{"name":"Śubha","start":"15:30","end":"17:07","startHours":15.504408664290043,"endHours":17.10911790618753,"quality":"auspicious"},{"name":"Roga","start":"17:07","end":"18:43","startHours":17.10911790618753,"endHours":18.713827148085016,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:43","end":"20:07","startHours":18.713827148085016,"endHours":20.10911790618753,"quality":"inauspicious"},{"name":"Śubha","start":"20:07","end":"21:30","startHours":20.10911790618753,"endHours":21.504408664290047,"quality":"auspicious"},{"name":"Roga","start":"21:30","end":"22:54","startHours":21.504408664290047,"endHours":22.89969942239256,"quality":"inauspicious"},{"name":"Udveg","start":"22:54","end":"00:18","startHours":22.89969942239256,"endHours":24.294990180495073,"quality":"inauspicious"},{"name":"Chala","start":"00:18","end":"01:41","startHours":24.294990180495073,"endHours":25.69028093859759,"quality":"neutral"},{"name":"Labha","start":"01:41","end":"03:05","startHours":25.69028093859759,"endHours":27.0855716967001,"quality":"auspicious"},{"name":"Amṛta","start":"03:05","end":"04:29","startHours":27.0855716967001,"endHours":28.480862454802615,"quality":"auspicious"},{"name":"Kāla","start":"04:29","end":"05:53","startHours":28.480862454802615,"endHours":29.87615321290513,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:53","end":"06:53","startHours":5.8761532129051295,"endHours":6.8761532129051295,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:53","end":"07:53","startHours":6.8761532129051295,"endHours":7.8761532129051295,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:53","end":"08:53","startHours":7.8761532129051295,"endHours":8.87615321290513,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:53","end":"09:53","startHours":8.87615321290513,"endHours":9.87615321290513,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:53","end":"10:53","startHours":9.87615321290513,"endHours":10.87615321290513,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:53","end":"11:53","startHours":10.87615321290513,"endHours":11.87615321290513,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:53","end":"12:53","startHours":11.87615321290513,"endHours":12.87615321290513,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:53","end":"13:53","startHours":12.87615321290513,"endHours":13.87615321290513,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:53","end":"14:53","startHours":13.87615321290513,"endHours":14.87615321290513,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:53","end":"15:53","startHours":14.87615321290513,"endHours":15.87615321290513,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:53","end":"16:53","startHours":15.87615321290513,"endHours":16.87615321290513,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:53","end":"17:53","startHours":16.87615321290513,"endHours":17.87615321290513,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:53","end":"18:53","startHours":17.87615321290513,"endHours":18.87615321290513,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:53","end":"19:53","startHours":18.87615321290513,"endHours":19.87615321290513,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:53","end":"20:53","startHours":19.87615321290513,"endHours":20.87615321290513,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:53","end":"21:53","startHours":20.87615321290513,"endHours":21.87615321290513,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:53","end":"22:53","startHours":21.87615321290513,"endHours":22.87615321290513,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:53","end":"23:53","startHours":22.87615321290513,"endHours":23.87615321290513,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:53","end":"00:53","startHours":23.87615321290513,"endHours":24.87615321290513,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:53","end":"01:53","startHours":24.87615321290513,"endHours":25.87615321290513,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:53","end":"02:53","startHours":25.87615321290513,"endHours":26.87615321290513,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:53","end":"03:53","startHours":26.87615321290513,"endHours":27.87615321290513,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:53","end":"04:53","startHours":27.87615321290513,"endHours":28.87615321290513,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:53","end":"05:53","startHours":28.87615321290513,"endHours":29.87615321290513,"planetary_lord":"Saturn"}],"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","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"South","rahuVasa":"North","anandadiYoga":{"name":"Prajāpati","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":9.063035260575743,"eotMinutes":-0.7698108297043191,"ayanamsa":25.0164}},"calendars":{"vikram_samvat":2140,"vikram_samvatsara":"Nala","saka_samvat":2005,"saka_samvatsara":"Śobhana","bengali_samvat":1490,"malayalam_era":1259,"nanakshahi_year":614,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Dvādaśī · Vikram 2140 Nala · Śaka 2005 Śobhana"},"festivals":[],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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 April 13, 2083 CE · Ṛṣikeśa · Vidhyamitra","description":"April 13, 2083 CE for Ṛṣikeśa: Kṛṣṇa Dvādaśī, sūryodaya 05:53, sūryāsta 18:43.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2083-04-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2083-04-13","sa":"https://sa.vidhyamitra.com/city/rishikesh/2083-04-13","hi":"https://hi.vidhyamitra.com/city/rishikesh/2083-04-13","x-default":"https://vidhyamitra.com/city/rishikesh/2083-04-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T03:52:48.635Z","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":"2026-05-31T03:52:48.635Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T03:52:48.635Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}