{"id":"vidhyamitra:city-day:kolhapur:1958-09-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kolhapur/1958-09-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1958-09-13","date_display":"September 13, 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":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2436459.770833,"kali_year":5060,"ahargana":1847994.2708,"sun":{"sidereal_longitude":145.8487,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":138.5733,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":352.7246,"elapsed_within_tithi_degrees":4.7246},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2,"moon_longitude":138.5733,"elapsed_within_degrees":5.24},"yoga":{"number":22,"name":"Sādhya","sum_longitude":284.422},"karana":{"half_tithi_index":58,"name":"Catuṣpāda"},"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":1958,"month":9,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2436459.770833,"ahargana":1847994.2708,"kali_year":5060,"ayanamsa_lahiri":23.276,"grahas":{"sun":{"sidereal_longitude":146.47137700000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":139.97697699999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false,"latitude":-3.2243},"mars":{"sidereal_longitude":34.885276999999974,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":true},"mercury":{"sidereal_longitude":129.89497699999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":188.26457699999992,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":131.672077,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":236.62727700000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":184.3704,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":4.3704,"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":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2436459.770833,"kali_year":5060,"ahargana":1847994.2708,"sun":{"sidereal_longitude":145.8487,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":138.5733,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":352.7246,"elapsed_within_tithi_degrees":4.7246},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2,"moon_longitude":138.5733,"elapsed_within_degrees":5.24},"yoga":{"number":22,"name":"Sādhya","sum_longitude":284.422},"karana":{"half_tithi_index":58,"name":"Catuṣpāda"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.224,"elongation":7.275},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.224,"opposition_distance":172.725}},"eclipse_window_40days":[]},"city":{"slug":"kolhapur","name":"Kolhāpur, Maharashtra","lat":16.705,"lon":74.2433,"tz_offset_hours":5.5,"state":"Maharashtra","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"kolhapur","name":"Kolhāpur, Maharashtra","lat":16.705,"lon":74.2433,"tz_offset_hours":5.5,"state":"Maharashtra","country":"IN","tier":"tier-1"},"sunriseLocal":"06:20","sunsetLocal":"18:37","solarNoonLocal":"12:28","dayLengthHours":12.279020490926573,"dayLengthDisplay":"12 Hours 16 Mins 44 Secs","nightLengthDisplay":"11 Hours 43 Mins 16 Secs","moonriseLocal":"05:52","moonsetLocal":"18:13","rahuKala":{"name":"Rāhu Kāla","start":"09:24","end":"10:56","startHours":9.401460361770589,"endHours":10.936337923136412,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:00","end":"15:32","startHours":14.006093045868054,"endHours":15.540970607233877,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:20","end":"07:52","startHours":6.331705239038946,"endHours":7.8665828004047675,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:12","end":"09:36","startHours":9.196810020255146,"endHours":9.606110703286033,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:51","end":"07:10","startHours":6.843331092827554,"endHours":7.170771639252262,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:04","end":"12:53","startHours":12.061914801471348,"endHours":12.880516167533118,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:42","end":"05:31","startHours":4.694502506915403,"endHours":5.513103872977175,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:19","end":"06:20","startHours":5.308453531461732,"endHours":6.331705239038946,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:31","end":"15:20","startHours":14.517718899656662,"endHours":15.336320265718435,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:25","end":"18:49","startHours":18.41072572996552,"endHours":18.81072572996552,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:37","end":"19:07","startHours":18.61072572996552,"endHours":19.122351583754128,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:22","end":"20:07","startHours":18.36072572996552,"endHours":20.11072572996552,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:04","end":"00:53","startHours":24.061914801471346,"endHours":24.880516167533116,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:20","end":"07:52","startHours":6.331705239038946,"endHours":7.8665828004047675,"quality":"inauspicious"},{"name":"Śubha","start":"07:52","end":"09:24","startHours":7.8665828004047675,"endHours":9.401460361770589,"quality":"auspicious"},{"name":"Roga","start":"09:24","end":"10:56","startHours":9.401460361770589,"endHours":10.936337923136412,"quality":"inauspicious"},{"name":"Udveg","start":"10:56","end":"12:28","startHours":10.936337923136412,"endHours":12.471215484502233,"quality":"inauspicious"},{"name":"Chala","start":"12:28","end":"14:00","startHours":12.471215484502233,"endHours":14.006093045868054,"quality":"neutral"},{"name":"Labha","start":"14:00","end":"15:32","startHours":14.006093045868054,"endHours":15.540970607233877,"quality":"auspicious"},{"name":"Amṛta","start":"15:32","end":"17:05","startHours":15.540970607233877,"endHours":17.0758481685997,"quality":"auspicious"},{"name":"Kāla","start":"17:05","end":"18:37","startHours":17.0758481685997,"endHours":18.61072572996552,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:37","end":"20:05","startHours":18.61072572996552,"endHours":20.0758481685997,"quality":"auspicious"},{"name":"Amṛta","start":"20:05","end":"21:32","startHours":20.0758481685997,"endHours":21.540970607233877,"quality":"auspicious"},{"name":"Kāla","start":"21:32","end":"23:00","startHours":21.540970607233877,"endHours":23.006093045868056,"quality":"inauspicious"},{"name":"Śubha","start":"23:00","end":"00:28","startHours":23.006093045868056,"endHours":24.47121548450223,"quality":"auspicious"},{"name":"Roga","start":"00:28","end":"01:56","startHours":24.47121548450223,"endHours":25.936337923136414,"quality":"inauspicious"},{"name":"Udveg","start":"01:56","end":"03:24","startHours":25.936337923136414,"endHours":27.40146036177059,"quality":"inauspicious"},{"name":"Chala","start":"03:24","end":"04:52","startHours":27.40146036177059,"endHours":28.866582800404768,"quality":"neutral"},{"name":"Labha","start":"04:52","end":"06:20","startHours":28.866582800404768,"endHours":30.331705239038946,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:20","end":"07:20","startHours":6.331705239038946,"endHours":7.331705239038946,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:20","end":"08:20","startHours":7.331705239038946,"endHours":8.331705239038946,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:20","end":"09:20","startHours":8.331705239038946,"endHours":9.331705239038946,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:20","end":"10:20","startHours":9.331705239038946,"endHours":10.331705239038946,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:20","end":"11:20","startHours":10.331705239038946,"endHours":11.331705239038946,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:20","end":"12:20","startHours":11.331705239038946,"endHours":12.331705239038946,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:20","end":"13:20","startHours":12.331705239038946,"endHours":13.331705239038946,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:20","end":"14:20","startHours":13.331705239038946,"endHours":14.331705239038946,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:20","end":"15:20","startHours":14.331705239038946,"endHours":15.331705239038946,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:20","end":"16:20","startHours":15.331705239038946,"endHours":16.331705239038946,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:20","end":"17:20","startHours":16.331705239038946,"endHours":17.331705239038946,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:20","end":"18:20","startHours":17.331705239038946,"endHours":18.331705239038946,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:20","end":"19:20","startHours":18.331705239038946,"endHours":19.331705239038946,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:20","end":"20:20","startHours":19.331705239038946,"endHours":20.331705239038946,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:20","end":"21:20","startHours":20.331705239038946,"endHours":21.331705239038946,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:20","end":"22:20","startHours":21.331705239038946,"endHours":22.331705239038946,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:20","end":"23:20","startHours":22.331705239038946,"endHours":23.331705239038946,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:20","end":"00:20","startHours":23.331705239038946,"endHours":24.331705239038946,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:20","end":"01:20","startHours":24.331705239038946,"endHours":25.331705239038946,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:20","end":"02:20","startHours":25.331705239038946,"endHours":26.331705239038946,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:20","end":"03:20","startHours":26.331705239038946,"endHours":27.331705239038946,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:20","end":"04:20","startHours":27.331705239038946,"endHours":28.331705239038946,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:20","end":"05:20","startHours":28.331705239038946,"endHours":29.331705239038946,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:20","end":"06:20","startHours":29.331705239038946,"endHours":30.331705239038946,"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"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":4.059469248177265,"eotMinutes":4.753870929866006,"ayanamsa":23.276}},"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 Amāvasyā · Vikram 2015 Virodhakṛt · Śaka 1880 Vilambī"},"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":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Kṛṣṇa Amāvasyā","url":"/day/-3137-10-20","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"kolhapur"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga September 13, 1958 CE · Kolhāpur, Maharashtra · Vidhyamitra","description":"September 13, 1958 CE for Kolhāpur, Maharashtra: Kṛṣṇa Amāvasyā, sūryodaya 06:20, sūryāsta 18:37.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kolhapur/1958-09-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kolhapur/1958-09-13","sa":"https://sa.vidhyamitra.com/city/kolhapur/1958-09-13","hi":"https://hi.vidhyamitra.com/city/kolhapur/1958-09-13","x-default":"https://vidhyamitra.com/city/kolhapur/1958-09-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T23:45:06.617Z","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":"2026-06-01T23:45:06.617Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T23:45:06.617Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}