{"id":"vidhyamitra:city-day:kolhapur:2011-09-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kolhapur/2011-09-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2011-09-13","date_display":"September 13, 2011 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":2011,"month":9,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455817.770833,"kali_year":5113,"ahargana":1867352.2708,"sun":{"sidereal_longitude":145.1554,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":334.2207,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":189.0654,"elapsed_within_tithi_degrees":9.0654},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1,"moon_longitude":334.2207,"elapsed_within_degrees":0.8874},"yoga":{"number":9,"name":"Śūla","sum_longitude":119.3761},"karana":{"half_tithi_index":31,"name":"Kaulava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2011,"month":9,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455817.770833,"ahargana":1867352.2708,"kali_year":5113,"ayanamsa_lahiri":24.0164,"grahas":{"sun":{"sidereal_longitude":145.904859,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":333.025759,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false,"latitude":4.479},"mars":{"sidereal_longitude":92.05875900000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":132.17635900000005,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":15.917958999999996,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":true},"venus":{"sidereal_longitude":153.283859,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":172.22345900000005,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":238.6904,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":58.6904,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","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":2011,"month":9,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455817.770833,"kali_year":5113,"ahargana":1867352.2708,"sun":{"sidereal_longitude":145.1554,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":334.2207,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":189.0654,"elapsed_within_tithi_degrees":9.0654},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1,"moon_longitude":334.2207,"elapsed_within_degrees":0.8874},"yoga":{"number":9,"name":"Śūla","sum_longitude":119.3761},"karana":{"half_tithi_index":31,"name":"Kaulava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.479,"elongation":170.935},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.479,"opposition_distance":9.065}},"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":12.276264762984628,"dayLengthDisplay":"12 Hours 16 Mins 35 Secs","nightLengthDisplay":"11 Hours 43 Mins 25 Secs","moonriseLocal":"18:56","moonsetLocal":"06:58","rahuKala":{"name":"Rāhu Kāla","start":"15:32","end":"17:04","startHours":15.54028167524839,"endHours":17.07481477062147,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:24","end":"10:56","startHours":9.402149293756075,"endHours":10.936682389129153,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:28","end":"14:00","startHours":12.471215484502231,"endHours":14.00574857987531,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:12","end":"09:36","startHours":9.197544881039665,"endHours":9.606753706472485,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:51","end":"07:10","startHours":6.8445941348009445,"endHours":7.171961195147201,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:04","end":"12:53","startHours":12.062006659069413,"endHours":12.880424309935053,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:42","end":"05:31","startHours":4.696247801278634,"endHours":5.514665452144277,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:19","end":"06:20","startHours":5.310061039427866,"endHours":6.333083103009918,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:31","end":"15:20","startHours":14.517259611666336,"endHours":15.335677262531979,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:25","end":"18:49","startHours":18.409347865994548,"endHours":18.809347865994546,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:37","end":"19:07","startHours":18.609347865994547,"endHours":19.120858897785574,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:22","end":"20:07","startHours":18.359347865994547,"endHours":20.109347865994547,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:04","end":"00:53","startHours":24.06200665906941,"endHours":24.88042430993505,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:20","end":"07:52","startHours":6.333083103009918,"endHours":7.867616198382997,"quality":"inauspicious"},{"name":"Udveg","start":"07:52","end":"09:24","startHours":7.867616198382997,"endHours":9.402149293756075,"quality":"inauspicious"},{"name":"Chala","start":"09:24","end":"10:56","startHours":9.402149293756075,"endHours":10.936682389129153,"quality":"neutral"},{"name":"Labha","start":"10:56","end":"12:28","startHours":10.936682389129153,"endHours":12.471215484502231,"quality":"auspicious"},{"name":"Amṛta","start":"12:28","end":"14:00","startHours":12.471215484502231,"endHours":14.00574857987531,"quality":"auspicious"},{"name":"Kāla","start":"14:00","end":"15:32","startHours":14.00574857987531,"endHours":15.54028167524839,"quality":"inauspicious"},{"name":"Śubha","start":"15:32","end":"17:04","startHours":15.54028167524839,"endHours":17.07481477062147,"quality":"auspicious"},{"name":"Roga","start":"17:04","end":"18:37","startHours":17.07481477062147,"endHours":18.609347865994547,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:37","end":"20:04","startHours":18.609347865994547,"endHours":20.07481477062147,"quality":"inauspicious"},{"name":"Śubha","start":"20:04","end":"21:32","startHours":20.07481477062147,"endHours":21.54028167524839,"quality":"auspicious"},{"name":"Roga","start":"21:32","end":"23:00","startHours":21.54028167524839,"endHours":23.00574857987531,"quality":"inauspicious"},{"name":"Udveg","start":"23:00","end":"00:28","startHours":23.00574857987531,"endHours":24.47121548450223,"quality":"inauspicious"},{"name":"Chala","start":"00:28","end":"01:56","startHours":24.47121548450223,"endHours":25.936682389129153,"quality":"neutral"},{"name":"Labha","start":"01:56","end":"03:24","startHours":25.936682389129153,"endHours":27.402149293756075,"quality":"auspicious"},{"name":"Amṛta","start":"03:24","end":"04:52","startHours":27.402149293756075,"endHours":28.867616198382997,"quality":"auspicious"},{"name":"Kāla","start":"04:52","end":"06:20","startHours":28.867616198382997,"endHours":30.33308310300992,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:20","end":"07:20","startHours":6.333083103009918,"endHours":7.333083103009918,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:20","end":"08:20","startHours":7.333083103009918,"endHours":8.333083103009919,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:20","end":"09:20","startHours":8.333083103009919,"endHours":9.333083103009919,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:20","end":"10:20","startHours":9.333083103009919,"endHours":10.333083103009919,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:20","end":"11:20","startHours":10.333083103009919,"endHours":11.333083103009919,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:20","end":"12:20","startHours":11.333083103009919,"endHours":12.333083103009919,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:20","end":"13:20","startHours":12.333083103009919,"endHours":13.333083103009919,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:20","end":"14:20","startHours":13.333083103009919,"endHours":14.333083103009919,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:20","end":"15:20","startHours":14.333083103009919,"endHours":15.333083103009919,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:20","end":"16:20","startHours":15.333083103009919,"endHours":16.33308310300992,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:20","end":"17:20","startHours":16.33308310300992,"endHours":17.33308310300992,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:20","end":"18:20","startHours":17.33308310300992,"endHours":18.33308310300992,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:20","end":"19:20","startHours":18.33308310300992,"endHours":19.33308310300992,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:20","end":"20:20","startHours":19.33308310300992,"endHours":20.33308310300992,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:20","end":"21:20","startHours":20.33308310300992,"endHours":21.33308310300992,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:20","end":"22:20","startHours":21.33308310300992,"endHours":22.33308310300992,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:20","end":"23:20","startHours":22.33308310300992,"endHours":23.33308310300992,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:20","end":"00:20","startHours":23.33308310300992,"endHours":24.33308310300992,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:20","end":"01:20","startHours":24.33308310300992,"endHours":25.33308310300992,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:20","end":"02:20","startHours":25.33308310300992,"endHours":26.33308310300992,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:20","end":"03:20","startHours":26.33308310300992,"endHours":27.33308310300992,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:20","end":"04:20","startHours":27.33308310300992,"endHours":28.33308310300992,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:20","end":"05:20","startHours":28.33308310300992,"endHours":29.33308310300992,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:20","end":"06:20","startHours":29.33308310300992,"endHours":30.33308310300992,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"North","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":3.991228094824265,"eotMinutes":4.753870929866006,"ayanamsa":24.0164}},"calendars":{"vikram_samvat":2068,"vikram_samvatsara":"Krodhi","saka_samvat":1933,"saka_samvatsara":"Khara","bengali_samvat":1418,"malayalam_era":1187,"nanakshahi_year":542,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Pratipada · Vikram 2068 Krodhi · Śaka 1933 Khara"},"festivals":[{"id":"pitra-paksha-start","name":"Pitṛ-Pakṣa Start","name_sanskrit":"पितृ पक्ष आरम्भ","tradition":"Pan-Hindu","associated_deity":"Pitṛ-gaṇa","significance":"Begin 16-day śrāddha period for ancestors. Bhādrapada Pūrṇimā next-day.","vrata":true,"detection":{"tithi_number":16,"tithi_paksha":"Kṛṣṇa","lunar_month":"Bhādrapada"},"precedence":2},{"id":"simha-sankranti","name":"Siṁha Saṅkrānti","name_sanskrit":"सिंह सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Leo.","vrata":false,"detection":{"sun_rashi":"Siṃha"},"precedence":5}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[]},"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, 2011 CE · Kolhāpur, Maharashtra · Vidhyamitra","description":"September 13, 2011 CE for Kolhāpur, Maharashtra: Kṛṣṇa Pratipada, sūryodaya 06:20, sūryāsta 18:37.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kolhapur/2011-09-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kolhapur/2011-09-13","sa":"https://sa.vidhyamitra.com/city/kolhapur/2011-09-13","hi":"https://hi.vidhyamitra.com/city/kolhapur/2011-09-13","x-default":"https://vidhyamitra.com/city/kolhapur/2011-09-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-16T06:29:06.994Z","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":"2026-05-16T06:29:06.994Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-16T06:29:06.994Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}