{"id":"vidhyamitra:city-day:rishikesh:1958-05-02:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1958-05-02","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1958-05-02","date_display":"May 2, 1958 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":1958,"month":5,"day":2,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2436325.770833,"kali_year":5060,"ahargana":1847860.2708,"sun":{"sidereal_longitude":18.0193,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":179.0678,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":161.0485,"elapsed_within_tithi_degrees":5.0485},"nakshatra":{"number":14,"name":"Citrā","pada":2,"moon_longitude":179.0678,"elapsed_within_degrees":5.7345},"yoga":{"number":15,"name":"Vajra","sum_longitude":197.0871},"karana":{"half_tithi_index":26,"name":"Gara"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":1958,"month":5,"day":2,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2436325.770833,"ahargana":1847860.2708,"kali_year":5060,"ayanamsa_lahiri":23.2709,"grahas":{"sun":{"sidereal_longitude":17.867196999999976,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":177.31089699999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false,"latitude":-0.9656},"mars":{"sidereal_longitude":310.9672969999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":357.446697,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":182.01189699999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":333.543897,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":242.33619699999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":191.4703,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":11.4703,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","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":1958,"month":5,"day":2,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2436325.770833,"kali_year":5060,"ahargana":1847860.2708,"sun":{"sidereal_longitude":18.0193,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":179.0678,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":161.0485,"elapsed_within_tithi_degrees":5.0485},"nakshatra":{"number":14,"name":"Citrā","pada":2,"moon_longitude":179.0678,"elapsed_within_degrees":5.7345},"yoga":{"number":15,"name":"Vajra","sum_longitude":197.0871},"karana":{"half_tithi_index":26,"name":"Gara"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.966,"elongation":161.048},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.966,"opposition_distance":18.952}},"eclipse_window_40days":[{"offset_days":-13,"type":"solar","occurs":true,"moon_latitude":0.569,"elongation":0.542}]},"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":"05:34","sunsetLocal":"18:54","solarNoonLocal":"12:14","dayLengthHours":13.339778391231043,"dayLengthDisplay":"13 Hours 20 Mins 23 Secs","nightLengthDisplay":"10 Hours 39 Mins 37 Secs","moonriseLocal":"17:08","moonsetLocal":"04:36","rahuKala":{"name":"Rāhu Kāla","start":"10:34","end":"12:14","startHours":10.56400304131011,"endHours":12.23147534021399,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:34","end":"17:14","startHours":15.566419938021753,"endHours":17.23389223692563,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:14","end":"08:54","startHours":7.22905844350235,"endHours":8.896530742406231,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:40","end":"09:07","startHours":8.674201102552379,"endHours":9.118860382260081,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:07","end":"06:28","startHours":6.117410244233096,"endHours":6.473137667999257,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:47","end":"12:41","startHours":11.786816060506288,"endHours":12.676134619921692,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:47","end":"04:40","startHours":3.782949025767664,"endHours":4.672267585183066,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:27","end":"05:34","startHours":4.449937945329216,"endHours":5.561586144598469,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:27","end":"15:21","startHours":14.454771738752498,"endHours":15.3440902981679,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:42","end":"19:06","startHours":18.701364535829512,"endHours":19.10136453582951,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:54","end":"19:27","startHours":18.90136453582951,"endHours":19.45718863546414,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:39","end":"20:24","startHours":18.65136453582951,"endHours":20.40136453582951,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:47","end":"00:41","startHours":23.78681606050629,"endHours":24.67613461992169,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:34","end":"07:14","startHours":5.561586144598469,"endHours":7.22905844350235,"quality":"neutral"},{"name":"Labha","start":"07:14","end":"08:54","startHours":7.22905844350235,"endHours":8.896530742406231,"quality":"auspicious"},{"name":"Amṛta","start":"08:54","end":"10:34","startHours":8.896530742406231,"endHours":10.56400304131011,"quality":"auspicious"},{"name":"Kāla","start":"10:34","end":"12:14","startHours":10.56400304131011,"endHours":12.23147534021399,"quality":"inauspicious"},{"name":"Śubha","start":"12:14","end":"13:54","startHours":12.23147534021399,"endHours":13.898947639117871,"quality":"auspicious"},{"name":"Roga","start":"13:54","end":"15:34","startHours":13.898947639117871,"endHours":15.566419938021753,"quality":"inauspicious"},{"name":"Udveg","start":"15:34","end":"17:14","startHours":15.566419938021753,"endHours":17.23389223692563,"quality":"inauspicious"},{"name":"Chala","start":"17:14","end":"18:54","startHours":17.23389223692563,"endHours":18.90136453582951,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:54","end":"20:14","startHours":18.90136453582951,"endHours":20.23389223692563,"quality":"inauspicious"},{"name":"Udveg","start":"20:14","end":"21:34","startHours":20.23389223692563,"endHours":21.566419938021753,"quality":"inauspicious"},{"name":"Chala","start":"21:34","end":"22:54","startHours":21.566419938021753,"endHours":22.89894763911787,"quality":"neutral"},{"name":"Labha","start":"22:54","end":"00:14","startHours":22.89894763911787,"endHours":24.23147534021399,"quality":"auspicious"},{"name":"Amṛta","start":"00:14","end":"01:34","startHours":24.23147534021399,"endHours":25.56400304131011,"quality":"auspicious"},{"name":"Kāla","start":"01:34","end":"02:54","startHours":25.56400304131011,"endHours":26.896530742406227,"quality":"inauspicious"},{"name":"Śubha","start":"02:54","end":"04:14","startHours":26.896530742406227,"endHours":28.22905844350235,"quality":"auspicious"},{"name":"Roga","start":"04:14","end":"05:34","startHours":28.22905844350235,"endHours":29.56158614459847,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:34","end":"06:34","startHours":5.561586144598469,"endHours":6.561586144598469,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:34","end":"07:34","startHours":6.561586144598469,"endHours":7.561586144598469,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:34","end":"08:34","startHours":7.561586144598469,"endHours":8.561586144598468,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:34","end":"09:34","startHours":8.561586144598468,"endHours":9.561586144598468,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:34","end":"10:34","startHours":9.561586144598468,"endHours":10.561586144598468,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:34","end":"11:34","startHours":10.561586144598468,"endHours":11.561586144598468,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:34","end":"12:34","startHours":11.561586144598468,"endHours":12.561586144598468,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:34","end":"13:34","startHours":12.561586144598468,"endHours":13.561586144598468,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:34","end":"14:34","startHours":13.561586144598468,"endHours":14.561586144598468,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:34","end":"15:34","startHours":14.561586144598468,"endHours":15.561586144598468,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:34","end":"16:34","startHours":15.561586144598468,"endHours":16.56158614459847,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:34","end":"17:34","startHours":16.56158614459847,"endHours":17.56158614459847,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:34","end":"18:34","startHours":17.56158614459847,"endHours":18.56158614459847,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:34","end":"19:34","startHours":18.56158614459847,"endHours":19.56158614459847,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:34","end":"20:34","startHours":19.56158614459847,"endHours":20.56158614459847,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:34","end":"21:34","startHours":20.56158614459847,"endHours":21.56158614459847,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:34","end":"22:34","startHours":21.56158614459847,"endHours":22.56158614459847,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:34","end":"23:34","startHours":22.56158614459847,"endHours":23.56158614459847,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:34","end":"00:34","startHours":23.56158614459847,"endHours":24.56158614459847,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:34","end":"01:34","startHours":24.56158614459847,"endHours":25.56158614459847,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:34","end":"02:34","startHours":25.56158614459847,"endHours":26.56158614459847,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:34","end":"03:34","startHours":26.56158614459847,"endHours":27.56158614459847,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:34","end":"04:34","startHours":27.56158614459847,"endHours":28.56158614459847,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:34","end":"05:34","startHours":28.56158614459847,"endHours":29.56158614459847,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"North-West","rahuVasa":"South-East","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":15.168506535643814,"eotMinutes":3.041079587160539,"ayanamsa":23.2709}},"calendars":{"vikram_samvat":2015,"vikram_samvatsara":"Virodhakṛt","saka_samvat":1880,"saka_samvatsara":"Vilambī","bengali_samvat":1365,"malayalam_era":1134,"nanakshahi_year":489,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Caturdaśī · Vikram 2015 Virodhakṛt · Śaka 1880 Vilambī"},"festivals":[{"id":"narasimha-jayanti","name":"Narasiṁha Jayantī","name_sanskrit":"नरसिंह जयन्ती","tradition":"Vaishnava","associated_deity":"Narasiṁha (avatar of Krishna)","deity_avatara_index":14,"significance":"Bhagavān Narasiṁha manifested to protect the bhakta Prahlāda. Krishna's fierce protective form.","vrata":true,"primary_observance":"Sandhyā (twilight) abhiṣekam; recitation of Narasiṁha-Stotra","detection":{"tithi_number":14,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":1,"related_chart":"narasimha","sources":["Bhāgavata Purāṇa 7.8"]},{"id":"chhinnamasta-jayanti","name":"Chhinnamastā Jayantī","name_sanskrit":"छिन्नमस्ता जयन्ती","tradition":"Shakta","associated_deity":"Devī Chhinnamastā (6th of 10 Mahāvidyās)","significance":"The 6th of the Daśa Mahāvidyās. Devī's self-decapitation form representing transcendence of ego.","vrata":false,"detection":{"tithi_number":14,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":5}],"todays_walk":{"walk":{"id":"narasimha-jayanti-walk","name":"Narasiṁha Jayantī Walk","name_sanskrit":"नरसिंह जयन्ती यात्रा","type":"festival","description":"Bhāgavata 7.8 (Prahlāda-Narasiṁha) + protective verses.","step_count":9,"url":"/walk/narasimha-jayanti-walk"},"reason":"Today is Narasiṁha Jayantī — its dedicated 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 2, 1958 CE · Ṛṣikeśa · Vidhyamitra","description":"May 2, 1958 CE for Ṛṣikeśa: Śukla Caturdaśī, sūryodaya 05:34, sūryāsta 18:54.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1958-05-02","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1958-05-02","sa":"https://sa.vidhyamitra.com/city/rishikesh/1958-05-02","hi":"https://hi.vidhyamitra.com/city/rishikesh/1958-05-02","x-default":"https://vidhyamitra.com/city/rishikesh/1958-05-02"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T04:40:37.852Z","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":"2026-06-02T04:40:37.852Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T04:40:37.852Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}