{"id":"vidhyamitra:city-day:rishikesh:2090-05-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2090-05-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2090-05-20","date_display":"May 20, 2090 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":2090,"month":5,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2484556.770833,"kali_year":5192,"ahargana":1896091.2708,"sun":{"sidereal_longitude":34.2001,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":289.5592,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":255.359,"elapsed_within_tithi_degrees":3.359},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3,"moon_longitude":289.5592,"elapsed_within_degrees":9.5592},"yoga":{"number":25,"name":"Brahma","sum_longitude":323.7593},"karana":{"half_tithi_index":42,"name":"Viṣṭi"},"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":2090,"month":5,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2484556.770833,"ahargana":1896091.2708,"kali_year":5192,"ayanamsa_lahiri":25.1156,"grahas":{"sun":{"sidereal_longitude":34.455318000000034,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":289.592318,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false,"latitude":3.2572},"mars":{"sidereal_longitude":11.778818000000001,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":10.784317999999985,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":231.189118,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":69.431018,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":46.996317999999974,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":155.9598,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":335.9598,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"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":2090,"month":5,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2484556.770833,"kali_year":5192,"ahargana":1896091.2708,"sun":{"sidereal_longitude":34.2001,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":289.5592,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":255.359,"elapsed_within_tithi_degrees":3.359},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3,"moon_longitude":289.5592,"elapsed_within_degrees":9.5592},"yoga":{"number":25,"name":"Brahma","sum_longitude":323.7593},"karana":{"half_tithi_index":42,"name":"Viṣṭi"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.257,"elongation":104.641},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.257,"opposition_distance":75.359}},"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":"05:20","sunsetLocal":"19:06","solarNoonLocal":"12:13","dayLengthHours":13.76830748887371,"dayLengthDisplay":"13 Hours 46 Mins 06 Secs","nightLengthDisplay":"10 Hours 13 Mins 54 Secs","moonriseLocal":"23:50","moonsetLocal":"10:37","rahuKala":{"name":"Rāhu Kāla","start":"08:47","end":"10:30","startHours":8.780111244178489,"endHours":10.501149680287702,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:57","end":"15:40","startHours":13.943226552506129,"endHours":15.664264988615344,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:20","end":"07:04","startHours":5.3380343719600605,"endHours":7.059072808069274,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:33","end":"09:01","startHours":8.55063945269726,"endHours":9.009583035659716,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:55","end":"06:17","startHours":5.911713850663132,"endHours":6.278868717033097,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:46","end":"12:41","startHours":11.763244533434458,"endHours":12.681131699359371,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:30","end":"04:25","startHours":3.5022600401102326,"endHours":4.420147206035146,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:11","end":"05:20","startHours":4.190675414553918,"endHours":5.3380343719600605,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:31","end":"15:26","startHours":14.5169060312092,"endHours":15.434793197134113,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:54","end":"19:18","startHours":18.90634186083377,"endHours":19.30634186083377,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:06","end":"19:41","startHours":19.10634186083377,"endHours":19.68002133953684,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:51","end":"20:36","startHours":18.85634186083377,"endHours":20.60634186083377,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:46","end":"00:41","startHours":23.763244533434456,"endHours":24.681131699359373,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:20","end":"07:04","startHours":5.3380343719600605,"endHours":7.059072808069274,"quality":"inauspicious"},{"name":"Śubha","start":"07:04","end":"08:47","startHours":7.059072808069274,"endHours":8.780111244178489,"quality":"auspicious"},{"name":"Roga","start":"08:47","end":"10:30","startHours":8.780111244178489,"endHours":10.501149680287702,"quality":"inauspicious"},{"name":"Udveg","start":"10:30","end":"12:13","startHours":10.501149680287702,"endHours":12.222188116396914,"quality":"inauspicious"},{"name":"Chala","start":"12:13","end":"13:57","startHours":12.222188116396914,"endHours":13.943226552506129,"quality":"neutral"},{"name":"Labha","start":"13:57","end":"15:40","startHours":13.943226552506129,"endHours":15.664264988615344,"quality":"auspicious"},{"name":"Amṛta","start":"15:40","end":"17:23","startHours":15.664264988615344,"endHours":17.385303424724555,"quality":"auspicious"},{"name":"Kāla","start":"17:23","end":"19:06","startHours":17.385303424724555,"endHours":19.10634186083377,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"19:06","end":"20:23","startHours":19.10634186083377,"endHours":20.385303424724555,"quality":"auspicious"},{"name":"Amṛta","start":"20:23","end":"21:40","startHours":20.385303424724555,"endHours":21.664264988615344,"quality":"auspicious"},{"name":"Kāla","start":"21:40","end":"22:57","startHours":21.664264988615344,"endHours":22.94322655250613,"quality":"inauspicious"},{"name":"Śubha","start":"22:57","end":"00:13","startHours":22.94322655250613,"endHours":24.222188116396914,"quality":"auspicious"},{"name":"Roga","start":"00:13","end":"01:30","startHours":24.222188116396914,"endHours":25.5011496802877,"quality":"inauspicious"},{"name":"Udveg","start":"01:30","end":"02:47","startHours":25.5011496802877,"endHours":26.780111244178485,"quality":"inauspicious"},{"name":"Chala","start":"02:47","end":"04:04","startHours":26.780111244178485,"endHours":28.059072808069274,"quality":"neutral"},{"name":"Labha","start":"04:04","end":"05:20","startHours":28.059072808069274,"endHours":29.33803437196006,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:20","end":"06:20","startHours":5.3380343719600605,"endHours":6.3380343719600605,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:20","end":"07:20","startHours":6.3380343719600605,"endHours":7.3380343719600605,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:20","end":"08:20","startHours":7.3380343719600605,"endHours":8.33803437196006,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:20","end":"09:20","startHours":8.33803437196006,"endHours":9.33803437196006,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:20","end":"10:20","startHours":9.33803437196006,"endHours":10.33803437196006,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:20","end":"11:20","startHours":10.33803437196006,"endHours":11.33803437196006,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:20","end":"12:20","startHours":11.33803437196006,"endHours":12.33803437196006,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:20","end":"13:20","startHours":12.33803437196006,"endHours":13.33803437196006,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:20","end":"14:20","startHours":13.33803437196006,"endHours":14.33803437196006,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:20","end":"15:20","startHours":14.33803437196006,"endHours":15.33803437196006,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:20","end":"16:20","startHours":15.33803437196006,"endHours":16.33803437196006,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:20","end":"17:20","startHours":16.33803437196006,"endHours":17.33803437196006,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:20","end":"18:20","startHours":17.33803437196006,"endHours":18.33803437196006,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:20","end":"19:20","startHours":18.33803437196006,"endHours":19.33803437196006,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:20","end":"20:20","startHours":19.33803437196006,"endHours":20.33803437196006,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:20","end":"21:20","startHours":20.33803437196006,"endHours":21.33803437196006,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:20","end":"22:20","startHours":21.33803437196006,"endHours":22.33803437196006,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:20","end":"23:20","startHours":22.33803437196006,"endHours":23.33803437196006,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:20","end":"00:20","startHours":23.33803437196006,"endHours":24.33803437196006,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:20","end":"01:20","startHours":24.33803437196006,"endHours":25.33803437196006,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:20","end":"02:20","startHours":25.33803437196006,"endHours":26.33803437196006,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:20","end":"03:20","startHours":26.33803437196006,"endHours":27.33803437196006,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:20","end":"04:20","startHours":27.33803437196006,"endHours":28.33803437196006,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:20","end":"05:20","startHours":28.33803437196006,"endHours":29.33803437196006,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"East","anandadiYoga":{"name":"Kāṇa","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":20.056552709816824,"eotMinutes":3.5983130161851964,"ayanamsa":25.1156}},"calendars":{"vikram_samvat":2147,"vikram_samvatsara":"Rudhirodgāri","saka_samvat":2012,"saka_samvatsara":"Sādhāraṇa","bengali_samvat":1497,"malayalam_era":1266,"nanakshahi_year":621,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Jyeṣṭha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Kṛṣṇa Saptamī · Vikram 2147 Rudhirodgāri · Śaka 2012 Sādhāraṇa"},"festivals":[],"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 May 20, 2090 CE · Ṛṣikeśa · Vidhyamitra","description":"May 20, 2090 CE for Ṛṣikeśa: Kṛṣṇa Saptamī, sūryodaya 05:20, sūryāsta 19:06.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2090-05-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2090-05-20","sa":"https://sa.vidhyamitra.com/city/rishikesh/2090-05-20","hi":"https://hi.vidhyamitra.com/city/rishikesh/2090-05-20","x-default":"https://vidhyamitra.com/city/rishikesh/2090-05-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T12:31:10.653Z","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":"2026-05-31T12:31:10.653Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T12:31:10.653Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}