{"id":"vidhyamitra:city-day:rishikesh:1958-10-09:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1958-10-09","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1958-10-09","date_display":"October 9, 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":10,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2436485.770833,"kali_year":5060,"ahargana":1848020.2708,"sun":{"sidereal_longitude":171.3214,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":120.9015,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":309.5801,"elapsed_within_tithi_degrees":9.5801},"nakshatra":{"number":10,"name":"Maghā","pada":1,"moon_longitude":120.9015,"elapsed_within_degrees":0.9015},"yoga":{"number":22,"name":"Sādhya","sum_longitude":292.2229},"karana":{"half_tithi_index":51,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":10,"day":9,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2436485.770833,"ahargana":1848020.2708,"kali_year":5060,"ayanamsa_lahiri":23.277,"grahas":{"sun":{"sidereal_longitude":171.96368400000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"moon":{"sidereal_longitude":119.05408399999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false,"latitude":-3.9757},"mars":{"sidereal_longitude":39.83838400000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":true},"mercury":{"sidereal_longitude":175.06338400000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":193.50448400000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":164.00718400000005,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":237.95298400000001,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":182.9928,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":2.9928,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","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":1958,"month":10,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2436485.770833,"kali_year":5060,"ahargana":1848020.2708,"sun":{"sidereal_longitude":171.3214,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":120.9015,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":309.5801,"elapsed_within_tithi_degrees":9.5801},"nakshatra":{"number":10,"name":"Maghā","pada":1,"moon_longitude":120.9015,"elapsed_within_degrees":0.9015},"yoga":{"number":22,"name":"Sādhya","sum_longitude":292.2229},"karana":{"half_tithi_index":51,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.976,"elongation":50.42},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.976,"opposition_distance":129.58}},"eclipse_window_40days":[{"offset_days":4,"type":"solar","occurs":true,"moon_latitude":-0.439,"elongation":1.89}]},"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":"06:14","sunsetLocal":"17:53","solarNoonLocal":"12:03","dayLengthHours":11.663640914507035,"dayLengthDisplay":"11 Hours 39 Mins 49 Secs","nightLengthDisplay":"12 Hours 20 Mins 11 Secs","moonriseLocal":"01:56","moonsetLocal":"15:08","rahuKala":{"name":"Rāhu Kāla","start":"13:31","end":"14:58","startHours":13.515265309014612,"endHours":14.97322042332799,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:14","end":"07:41","startHours":6.225489737447716,"endHours":7.683444851761095,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:08","end":"10:36","startHours":9.141399966074474,"endHours":10.599355080387854,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:57","end":"09:20","startHours":8.94700595083269,"endHours":9.335793981316257,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:43","end":"07:01","startHours":6.711474775552175,"endHours":7.0225051999390296,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:40","end":"12:27","startHours":11.668522164217666,"endHours":12.446098225184802,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:40","end":"05:27","startHours":4.670337615513445,"endHours":5.44791367648058,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:15","end":"06:14","startHours":5.253519661238796,"endHours":6.225489737447716,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:00","end":"14:47","startHours":14.001250347119072,"endHours":14.778826408086207,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:41","end":"18:05","startHours":17.689130651954752,"endHours":18.08913065195475,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:53","end":"18:23","startHours":17.88913065195475,"endHours":18.37511569005921,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:38","end":"19:23","startHours":17.63913065195475,"endHours":19.38913065195475,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:40","end":"00:27","startHours":23.668522164217666,"endHours":24.4460982251848,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:14","end":"07:41","startHours":6.225489737447716,"endHours":7.683444851761095,"quality":"auspicious"},{"name":"Roga","start":"07:41","end":"09:08","startHours":7.683444851761095,"endHours":9.141399966074474,"quality":"inauspicious"},{"name":"Udveg","start":"09:08","end":"10:36","startHours":9.141399966074474,"endHours":10.599355080387854,"quality":"inauspicious"},{"name":"Chala","start":"10:36","end":"12:03","startHours":10.599355080387854,"endHours":12.057310194701234,"quality":"neutral"},{"name":"Labha","start":"12:03","end":"13:31","startHours":12.057310194701234,"endHours":13.515265309014612,"quality":"auspicious"},{"name":"Amṛta","start":"13:31","end":"14:58","startHours":13.515265309014612,"endHours":14.97322042332799,"quality":"auspicious"},{"name":"Kāla","start":"14:58","end":"16:26","startHours":14.97322042332799,"endHours":16.431175537641373,"quality":"inauspicious"},{"name":"Śubha","start":"16:26","end":"17:53","startHours":16.431175537641373,"endHours":17.88913065195475,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:53","end":"19:26","startHours":17.88913065195475,"endHours":19.431175537641373,"quality":"auspicious"},{"name":"Kāla","start":"19:26","end":"20:58","startHours":19.431175537641373,"endHours":20.973220423327994,"quality":"inauspicious"},{"name":"Śubha","start":"20:58","end":"22:31","startHours":20.973220423327994,"endHours":22.515265309014612,"quality":"auspicious"},{"name":"Roga","start":"22:31","end":"00:03","startHours":22.515265309014612,"endHours":24.057310194701234,"quality":"inauspicious"},{"name":"Udveg","start":"00:03","end":"01:36","startHours":24.057310194701234,"endHours":25.599355080387856,"quality":"inauspicious"},{"name":"Chala","start":"01:36","end":"03:08","startHours":25.599355080387856,"endHours":27.141399966074474,"quality":"neutral"},{"name":"Labha","start":"03:08","end":"04:41","startHours":27.141399966074474,"endHours":28.683444851761095,"quality":"auspicious"},{"name":"Amṛta","start":"04:41","end":"06:14","startHours":28.683444851761095,"endHours":30.225489737447717,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:14","end":"07:14","startHours":6.225489737447716,"endHours":7.225489737447716,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:14","end":"08:14","startHours":7.225489737447716,"endHours":8.225489737447717,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:14","end":"09:14","startHours":8.225489737447717,"endHours":9.225489737447717,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:14","end":"10:14","startHours":9.225489737447717,"endHours":10.225489737447717,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:14","end":"11:14","startHours":10.225489737447717,"endHours":11.225489737447717,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:14","end":"12:14","startHours":11.225489737447717,"endHours":12.225489737447717,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:14","end":"13:14","startHours":12.225489737447717,"endHours":13.225489737447717,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:14","end":"14:14","startHours":13.225489737447717,"endHours":14.225489737447717,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:14","end":"15:14","startHours":14.225489737447717,"endHours":15.225489737447717,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:14","end":"16:14","startHours":15.225489737447717,"endHours":16.225489737447717,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:14","end":"17:14","startHours":16.225489737447717,"endHours":17.225489737447717,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:14","end":"18:14","startHours":17.225489737447717,"endHours":18.225489737447717,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:14","end":"19:14","startHours":18.225489737447717,"endHours":19.225489737447717,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:14","end":"20:14","startHours":19.225489737447717,"endHours":20.225489737447717,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:14","end":"21:14","startHours":20.225489737447717,"endHours":21.225489737447717,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:14","end":"22:14","startHours":21.225489737447717,"endHours":22.225489737447717,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:14","end":"23:14","startHours":22.225489737447717,"endHours":23.225489737447717,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:14","end":"00:14","startHours":23.225489737447717,"endHours":24.225489737447717,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:14","end":"01:14","startHours":24.225489737447717,"endHours":25.225489737447717,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:14","end":"02:14","startHours":25.225489737447717,"endHours":26.225489737447717,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:14","end":"03:14","startHours":26.225489737447717,"endHours":27.225489737447717,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:14","end":"04:14","startHours":27.225489737447717,"endHours":28.225489737447717,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:14","end":"05:14","startHours":28.225489737447717,"endHours":29.225489737447717,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:14","end":"06:14","startHours":29.225489737447717,"endHours":30.225489737447717,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-West","rahuVasa":"North-West","anandadiYoga":{"name":"Cara","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-6.001451552838077,"eotMinutes":13.49098831792595,"ayanamsa":23.277}},"calendars":{"vikram_samvat":2015,"vikram_samvatsara":"Virodhakṛt","saka_samvat":1880,"saka_samvatsara":"Vilambī","bengali_samvat":1365,"malayalam_era":1134,"nanakshahi_year":489,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Ekādaśī · Vikram 2015 Virodhakṛt · Śaka 1880 Vilambī"},"festivals":[{"id":"rama-ekadashi","name":"Ramā Ekādaśī","name_sanskrit":"रमा एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu (with Ramā = Lakṣmī)","significance":"Lakṣmī (Ramā) granted boon to King Mucukunda.","vrata":true,"detection":{"tithi_number":26,"tithi_paksha":"Kṛṣṇa","lunar_month":"Āśvina"},"precedence":4},{"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":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 October 9, 1958 CE · Ṛṣikeśa · Vidhyamitra","description":"October 9, 1958 CE for Ṛṣikeśa: Kṛṣṇa Ekādaśī, sūryodaya 06:14, sūryāsta 17:53.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1958-10-09","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1958-10-09","sa":"https://sa.vidhyamitra.com/city/rishikesh/1958-10-09","hi":"https://hi.vidhyamitra.com/city/rishikesh/1958-10-09","x-default":"https://vidhyamitra.com/city/rishikesh/1958-10-09"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T19:39:26.599Z","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":"2026-06-01T19:39:26.599Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T19:39:26.599Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}