{"id":"vidhyamitra:city-day:rishikesh:1958-09-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1958-09-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1958-09-07","date_display":"September 7, 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":9,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2436453.770833,"kali_year":5060,"ahargana":1847988.2708,"sun":{"sidereal_longitude":140.0331,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":60.1951,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":280.162,"elapsed_within_tithi_degrees":4.162},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":3,"moon_longitude":60.1951,"elapsed_within_degrees":6.8617},"yoga":{"number":16,"name":"Siddhi","sum_longitude":200.2281},"karana":{"half_tithi_index":46,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":9,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2436453.770833,"ahargana":1847988.2708,"kali_year":5060,"ayanamsa_lahiri":23.2758,"grahas":{"sun":{"sidereal_longitude":140.63950599999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":57.50180599999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false,"latitude":-3.7076},"mars":{"sidereal_longitude":32.70390600000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":true},"mercury":{"sidereal_longitude":123.63590599999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":187.15320599999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":124.25950599999999,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":236.46590600000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":184.6883,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":4.6883,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","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":1958,"month":9,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2436453.770833,"kali_year":5060,"ahargana":1847988.2708,"sun":{"sidereal_longitude":140.0331,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":60.1951,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":280.162,"elapsed_within_tithi_degrees":4.162},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":3,"moon_longitude":60.1951,"elapsed_within_degrees":6.8617},"yoga":{"number":16,"name":"Siddhi","sum_longitude":200.2281},"karana":{"half_tithi_index":46,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.708,"elongation":79.838},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.708,"opposition_distance":100.162}},"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":"05:56","sunsetLocal":"18:33","solarNoonLocal":"12:14","dayLengthHours":12.620547116274343,"dayLengthDisplay":"12 Hours 37 Mins 14 Secs","nightLengthDisplay":"11 Hours 22 Mins 46 Secs","moonriseLocal":"23:42","moonsetLocal":"13:42","rahuKala":{"name":"Rāhu Kāla","start":"16:58","end":"18:33","startHours":16.972230185752167,"endHours":18.54979857528646,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:14","end":"13:49","startHours":12.239525017149287,"endHours":13.81709340668358,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:24","end":"16:58","startHours":15.394661796217873,"endHours":16.972230185752167,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:52","end":"09:18","startHours":8.874045786142796,"endHours":9.294730690018607,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:27","end":"06:47","startHours":6.4551075888568805,"endHours":6.791655511957529,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:49","end":"12:40","startHours":11.818840113273477,"endHours":12.6602099210251,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:15","end":"05:05","startHours":4.246511843508871,"endHours":5.087881651260493,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:53","end":"05:56","startHours":4.877539199322587,"endHours":5.929251459012116,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:21","end":"15:11","startHours":14.342949536528344,"endHours":15.184319344279967,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:21","end":"18:45","startHours":18.34979857528646,"endHours":18.74979857528646,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:33","end":"19:05","startHours":18.54979857528646,"endHours":19.075654705131225,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:18","end":"20:03","startHours":18.29979857528646,"endHours":20.04979857528646,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:49","end":"00:40","startHours":23.818840113273477,"endHours":24.660209921025103,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:56","end":"07:30","startHours":5.929251459012116,"endHours":7.506819848546409,"quality":"inauspicious"},{"name":"Chala","start":"07:30","end":"09:05","startHours":7.506819848546409,"endHours":9.084388238080702,"quality":"neutral"},{"name":"Labha","start":"09:05","end":"10:40","startHours":9.084388238080702,"endHours":10.661956627614995,"quality":"auspicious"},{"name":"Amṛta","start":"10:40","end":"12:14","startHours":10.661956627614995,"endHours":12.239525017149287,"quality":"auspicious"},{"name":"Kāla","start":"12:14","end":"13:49","startHours":12.239525017149287,"endHours":13.81709340668358,"quality":"inauspicious"},{"name":"Śubha","start":"13:49","end":"15:24","startHours":13.81709340668358,"endHours":15.394661796217873,"quality":"auspicious"},{"name":"Roga","start":"15:24","end":"16:58","startHours":15.394661796217873,"endHours":16.972230185752167,"quality":"inauspicious"},{"name":"Udveg","start":"16:58","end":"18:33","startHours":16.972230185752167,"endHours":18.54979857528646,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:33","end":"19:58","startHours":18.54979857528646,"endHours":19.972230185752167,"quality":"auspicious"},{"name":"Roga","start":"19:58","end":"21:24","startHours":19.972230185752167,"endHours":21.394661796217875,"quality":"inauspicious"},{"name":"Udveg","start":"21:24","end":"22:49","startHours":21.394661796217875,"endHours":22.817093406683583,"quality":"inauspicious"},{"name":"Chala","start":"22:49","end":"00:14","startHours":22.817093406683583,"endHours":24.239525017149287,"quality":"neutral"},{"name":"Labha","start":"00:14","end":"01:40","startHours":24.239525017149287,"endHours":25.661956627614995,"quality":"auspicious"},{"name":"Amṛta","start":"01:40","end":"03:05","startHours":25.661956627614995,"endHours":27.084388238080702,"quality":"auspicious"},{"name":"Kāla","start":"03:05","end":"04:30","startHours":27.084388238080702,"endHours":28.506819848546407,"quality":"inauspicious"},{"name":"Śubha","start":"04:30","end":"05:56","startHours":28.506819848546407,"endHours":29.929251459012114,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:56","end":"06:56","startHours":5.929251459012116,"endHours":6.929251459012116,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:56","end":"07:56","startHours":6.929251459012116,"endHours":7.929251459012116,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:56","end":"08:56","startHours":7.929251459012116,"endHours":8.929251459012116,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:56","end":"09:56","startHours":8.929251459012116,"endHours":9.929251459012116,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:56","end":"10:56","startHours":9.929251459012116,"endHours":10.929251459012116,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:56","end":"11:56","startHours":10.929251459012116,"endHours":11.929251459012116,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:56","end":"12:56","startHours":11.929251459012116,"endHours":12.929251459012116,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:56","end":"13:56","startHours":12.929251459012116,"endHours":13.929251459012116,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:56","end":"14:56","startHours":13.929251459012116,"endHours":14.929251459012116,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:56","end":"15:56","startHours":14.929251459012116,"endHours":15.929251459012116,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:56","end":"16:56","startHours":15.929251459012116,"endHours":16.929251459012114,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:56","end":"17:56","startHours":16.929251459012114,"endHours":17.929251459012114,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:56","end":"18:56","startHours":17.929251459012114,"endHours":18.929251459012114,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:56","end":"19:56","startHours":18.929251459012114,"endHours":19.929251459012114,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:56","end":"20:56","startHours":19.929251459012114,"endHours":20.929251459012114,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:56","end":"21:56","startHours":20.929251459012114,"endHours":21.929251459012114,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:56","end":"22:56","startHours":21.929251459012114,"endHours":22.929251459012114,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:56","end":"23:56","startHours":22.929251459012114,"endHours":23.929251459012114,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:56","end":"00:56","startHours":23.929251459012114,"endHours":24.929251459012114,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:56","end":"01:56","startHours":24.929251459012114,"endHours":25.929251459012114,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:56","end":"02:56","startHours":25.929251459012114,"endHours":26.929251459012114,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:56","end":"03:56","startHours":26.929251459012114,"endHours":27.929251459012114,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:56","end":"04:56","startHours":27.929251459012114,"endHours":28.929251459012114,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:56","end":"05:56","startHours":28.929251459012114,"endHours":29.929251459012114,"planetary_lord":"Jupiter"}],"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":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Saumya","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":6.3265538492100655,"eotMinutes":2.5580989710426816,"ayanamsa":23.2758}},"calendars":{"vikram_samvat":2015,"vikram_samvatsara":"Virodhakṛt","saka_samvat":1880,"saka_samvatsara":"Vilambī","bengali_samvat":1365,"malayalam_era":1134,"nanakshahi_year":489,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Navamī · Vikram 2015 Virodhakṛt · Śaka 1880 Vilambī"},"festivals":[],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 September 7, 1958 CE · Ṛṣikeśa · Vidhyamitra","description":"September 7, 1958 CE for Ṛṣikeśa: Kṛṣṇa Navamī, sūryodaya 05:56, sūryāsta 18:33.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1958-09-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1958-09-07","sa":"https://sa.vidhyamitra.com/city/rishikesh/1958-09-07","hi":"https://hi.vidhyamitra.com/city/rishikesh/1958-09-07","x-default":"https://vidhyamitra.com/city/rishikesh/1958-09-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T00:00:56.156Z","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":"2026-05-31T00:00:56.156Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T00:00:56.156Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}