{"id":"vidhyamitra:city-day:rishikesh:1990-05-05:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1990-05-05","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1990-05-05","date_display":"May 5, 1990 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":1990,"month":5,"day":5,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2448016.770833,"kali_year":5092,"ahargana":1859551.2708,"sun":{"sidereal_longitude":20.6419,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":145.827,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":125.1851,"elapsed_within_tithi_degrees":5.1851},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":145.827,"elapsed_within_degrees":12.4937},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":166.469},"karana":{"half_tithi_index":20,"name":"Vaṇija"},"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":1990,"month":5,"day":5,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2448016.770833,"ahargana":1859551.2708,"kali_year":5092,"ayanamsa_lahiri":23.7181,"grahas":{"sun":{"sidereal_longitude":20.57901499999997,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":147.827815,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false,"latitude":-2.5017},"mars":{"sidereal_longitude":316.93341499999997,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":19.183114999999987,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":74.01061500000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":337.427915,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":271.39591500000006,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":292.0249,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":112.0249,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":1990,"month":5,"day":5,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2448016.770833,"kali_year":5092,"ahargana":1859551.2708,"sun":{"sidereal_longitude":20.6419,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":145.827,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":125.1851,"elapsed_within_tithi_degrees":5.1851},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":145.827,"elapsed_within_degrees":12.4937},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":166.469},"karana":{"half_tithi_index":20,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.502,"elongation":125.185},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.502,"opposition_distance":54.815}},"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":"05:31","sunsetLocal":"18:56","solarNoonLocal":"12:14","dayLengthHours":13.421594762529494,"dayLengthDisplay":"13 Hours 25 Mins 18 Secs","nightLengthDisplay":"10 Hours 34 Mins 42 Secs","moonriseLocal":"14:32","moonsetLocal":"02:53","rahuKala":{"name":"Rāhu Kāla","start":"08:52","end":"10:33","startHours":8.870884246126582,"endHours":10.548583591442767,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:54","end":"15:35","startHours":13.903982282075141,"endHours":15.58168162739133,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:31","end":"07:12","startHours":5.515485555494208,"endHours":7.193184900810395,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:39","end":"09:06","startHours":8.647191000084423,"endHours":9.094577492168739,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:04","end":"06:26","startHours":6.074718670599603,"endHours":6.432627864267056,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:47","end":"12:40","startHours":11.77889644467464,"endHours":12.673669428843272,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:44","end":"04:37","startHours":3.725939587156942,"endHours":4.620712571325575,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:24","end":"05:31","startHours":4.397019325283416,"endHours":5.515485555494208,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:28","end":"15:21","startHours":14.463215397180537,"endHours":15.35798838134917,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:44","end":"19:08","startHours":18.737080318023704,"endHours":19.137080318023703,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:56","end":"19:30","startHours":18.937080318023703,"endHours":19.4963134331291,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:41","end":"20:26","startHours":18.687080318023703,"endHours":20.437080318023703,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:47","end":"00:40","startHours":23.77889644467464,"endHours":24.673669428843272,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:31","end":"07:12","startHours":5.515485555494208,"endHours":7.193184900810395,"quality":"inauspicious"},{"name":"Śubha","start":"07:12","end":"08:52","startHours":7.193184900810395,"endHours":8.870884246126582,"quality":"auspicious"},{"name":"Roga","start":"08:52","end":"10:33","startHours":8.870884246126582,"endHours":10.548583591442767,"quality":"inauspicious"},{"name":"Udveg","start":"10:33","end":"12:14","startHours":10.548583591442767,"endHours":12.226282936758956,"quality":"inauspicious"},{"name":"Chala","start":"12:14","end":"13:54","startHours":12.226282936758956,"endHours":13.903982282075141,"quality":"neutral"},{"name":"Labha","start":"13:54","end":"15:35","startHours":13.903982282075141,"endHours":15.58168162739133,"quality":"auspicious"},{"name":"Amṛta","start":"15:35","end":"17:16","startHours":15.58168162739133,"endHours":17.259380972707515,"quality":"auspicious"},{"name":"Kāla","start":"17:16","end":"18:56","startHours":17.259380972707515,"endHours":18.937080318023703,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:56","end":"20:16","startHours":18.937080318023703,"endHours":20.25938097270752,"quality":"auspicious"},{"name":"Amṛta","start":"20:16","end":"21:35","startHours":20.25938097270752,"endHours":21.58168162739133,"quality":"auspicious"},{"name":"Kāla","start":"21:35","end":"22:54","startHours":21.58168162739133,"endHours":22.90398228207514,"quality":"inauspicious"},{"name":"Śubha","start":"22:54","end":"00:14","startHours":22.90398228207514,"endHours":24.226282936758956,"quality":"auspicious"},{"name":"Roga","start":"00:14","end":"01:33","startHours":24.226282936758956,"endHours":25.54858359144277,"quality":"inauspicious"},{"name":"Udveg","start":"01:33","end":"02:52","startHours":25.54858359144277,"endHours":26.870884246126582,"quality":"inauspicious"},{"name":"Chala","start":"02:52","end":"04:12","startHours":26.870884246126582,"endHours":28.193184900810394,"quality":"neutral"},{"name":"Labha","start":"04:12","end":"05:31","startHours":28.193184900810394,"endHours":29.51548555549421,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:31","end":"06:31","startHours":5.515485555494208,"endHours":6.515485555494208,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:31","end":"07:31","startHours":6.515485555494208,"endHours":7.515485555494208,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:31","end":"08:31","startHours":7.515485555494208,"endHours":8.515485555494209,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:31","end":"09:31","startHours":8.515485555494209,"endHours":9.515485555494209,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:31","end":"10:31","startHours":9.515485555494209,"endHours":10.515485555494209,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:31","end":"11:31","startHours":10.515485555494209,"endHours":11.515485555494209,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:31","end":"12:31","startHours":11.515485555494209,"endHours":12.515485555494209,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:31","end":"13:31","startHours":12.515485555494209,"endHours":13.515485555494209,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:31","end":"14:31","startHours":13.515485555494209,"endHours":14.515485555494209,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:31","end":"15:31","startHours":14.515485555494209,"endHours":15.515485555494209,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:31","end":"16:31","startHours":15.515485555494209,"endHours":16.51548555549421,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:31","end":"17:31","startHours":16.51548555549421,"endHours":17.51548555549421,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:31","end":"18:31","startHours":17.51548555549421,"endHours":18.51548555549421,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:31","end":"19:31","startHours":18.51548555549421,"endHours":19.51548555549421,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:31","end":"20:31","startHours":19.51548555549421,"endHours":20.51548555549421,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:31","end":"21:31","startHours":20.51548555549421,"endHours":21.51548555549421,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:31","end":"22:31","startHours":21.51548555549421,"endHours":22.51548555549421,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:31","end":"23:31","startHours":22.51548555549421,"endHours":23.51548555549421,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:31","end":"00:31","startHours":23.51548555549421,"endHours":24.51548555549421,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:31","end":"01:31","startHours":24.51548555549421,"endHours":25.51548555549421,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:31","end":"02:31","startHours":25.51548555549421,"endHours":26.51548555549421,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:31","end":"03:31","startHours":26.51548555549421,"endHours":27.51548555549421,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:31","end":"04:31","startHours":27.51548555549421,"endHours":28.51548555549421,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:31","end":"05:31","startHours":28.51548555549421,"endHours":29.51548555549421,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"West","rahuVasa":"East","anandadiYoga":{"name":"Dhvaja","quality":"Auspicious"},"drikRitu":"Vasanta (Spring) (Drik)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":16.127042818255806,"eotMinutes":3.3526237944626183,"ayanamsa":23.7181}},"calendars":{"vikram_samvat":2047,"vikram_samvatsara":"Subhānu","saka_samvat":1912,"saka_samvatsara":"Pramoda","bengali_samvat":1397,"malayalam_era":1166,"nanakshahi_year":521,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Ekādaśī · Vikram 2047 Subhānu · Śaka 1912 Pramoda"},"festivals":[{"id":"mesha-sankranti","name":"Meṣa Saṅkrānti (Vaiśākhī / Vishu / Pohelā Boishākh / Bihu)","name_sanskrit":"मेष सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aries; solar new year. Regional: Vaiśākhī (Punjab) · Vishu (Kerala) · Pohelā Boishākh (Bengal) · Bihu (Assam) · Tamil Puthāṇḍu.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":1},{"id":"baisakhi","name":"Baisakhi (Vaiśākhī)","name_sanskrit":"वैशाखी","tradition":"Regional","associated_deity":"Sūrya + Khalsa Pantha (Sikh)","significance":"Punjab New Year + Sikh Khalsa founding day.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":2},{"id":"mohini-ekadashi","name":"Mohinī Ekādaśī","name_sanskrit":"मोहिनी एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu (Mohinī form)","significance":"Mohinī-form of Viṣṇu deceived asuras during samudra-mathana for amṛta.","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":3,"sources":["Bhāgavata 8.9"]},{"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}],"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 5, 1990 CE · Ṛṣikeśa · Vidhyamitra","description":"May 5, 1990 CE for Ṛṣikeśa: Śukla Ekādaśī, sūryodaya 05:31, sūryāsta 18:56.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1990-05-05","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1990-05-05","sa":"https://sa.vidhyamitra.com/city/rishikesh/1990-05-05","hi":"https://hi.vidhyamitra.com/city/rishikesh/1990-05-05","x-default":"https://vidhyamitra.com/city/rishikesh/1990-05-05"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-17T17:49:14.145Z","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":"2026-05-17T17:49:14.145Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-17T17:49:14.145Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}