{"id":"vidhyamitra:city-day:kolhapur:2186-09-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kolhapur/2186-09-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2186-09-13","date_display":"September 13, 2186 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":2186,"month":9,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2519735.770833,"kali_year":5288,"ahargana":1931270.2708,"sun":{"sidereal_longitude":142.9415,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":141.2158,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":358.2742,"elapsed_within_tithi_degrees":10.2742},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3,"moon_longitude":141.2158,"elapsed_within_degrees":7.8824},"yoga":{"number":22,"name":"Sādhya","sum_longitude":284.1573},"karana":{"half_tithi_index":59,"name":"Nāga"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2186,"month":9,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2519735.770833,"ahargana":1931270.2708,"kali_year":5288,"ayanamsa_lahiri":26.461,"grahas":{"sun":{"sidereal_longitude":144.11152200000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":140.85832200000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false,"latitude":3.4054},"mars":{"sidereal_longitude":98.22402199999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":167.07472200000007,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":259.00902199999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":132.07532200000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":152.20082200000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":92.0071,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":272.0071,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":2186,"month":9,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2519735.770833,"kali_year":5288,"ahargana":1931270.2708,"sun":{"sidereal_longitude":142.9415,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":141.2158,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":358.2742,"elapsed_within_tithi_degrees":10.2742},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3,"moon_longitude":141.2158,"elapsed_within_degrees":7.8824},"yoga":{"number":22,"name":"Sādhya","sum_longitude":284.1573},"karana":{"half_tithi_index":59,"name":"Nāga"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.405,"elongation":1.726},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.405,"opposition_distance":178.274}},"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":"18:36","solarNoonLocal":"12:28","dayLengthHours":12.265938173267113,"dayLengthDisplay":"12 Hours 15 Mins 57 Secs","nightLengthDisplay":"11 Hours 44 Mins 03 Secs","moonriseLocal":"06:07","moonsetLocal":"18:24","rahuKala":{"name":"Rāhu Kāla","start":"12:28","end":"14:00","startHours":12.471215484502233,"endHours":14.004457756160622,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:52","end":"09:24","startHours":7.871488669527066,"endHours":9.404730941185456,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:56","end":"12:28","startHours":10.937973212843843,"endHours":12.471215484502233,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:12","end":"09:37","startHours":9.200298638297669,"endHours":9.60916324407324,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:51","end":"07:11","startHours":6.849327155088139,"endHours":7.176418839708596,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:04","end":"12:53","startHours":12.062350878726663,"endHours":12.880080090277803,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:42","end":"05:31","startHours":4.7027879747663945,"endHours":5.5205171863175355,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:19","end":"06:20","startHours":5.316084883429751,"endHours":6.3382463978686765,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:31","end":"15:20","startHours":14.515538513380084,"endHours":15.333267724931225,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:24","end":"18:48","startHours":18.40418457113579,"endHours":18.80418457113579,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:36","end":"19:07","startHours":18.60418457113579,"endHours":19.115265328355253,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:21","end":"20:06","startHours":18.35418457113579,"endHours":20.10418457113579,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:04","end":"00:53","startHours":24.06235087872666,"endHours":24.8800800902778,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:20","end":"07:52","startHours":6.3382463978686765,"endHours":7.871488669527066,"quality":"auspicious"},{"name":"Amṛta","start":"07:52","end":"09:24","startHours":7.871488669527066,"endHours":9.404730941185456,"quality":"auspicious"},{"name":"Kāla","start":"09:24","end":"10:56","startHours":9.404730941185456,"endHours":10.937973212843843,"quality":"inauspicious"},{"name":"Śubha","start":"10:56","end":"12:28","startHours":10.937973212843843,"endHours":12.471215484502233,"quality":"auspicious"},{"name":"Roga","start":"12:28","end":"14:00","startHours":12.471215484502233,"endHours":14.004457756160622,"quality":"inauspicious"},{"name":"Udveg","start":"14:00","end":"15:32","startHours":14.004457756160622,"endHours":15.53770002781901,"quality":"inauspicious"},{"name":"Chala","start":"15:32","end":"17:04","startHours":15.53770002781901,"endHours":17.0709422994774,"quality":"neutral"},{"name":"Labha","start":"17:04","end":"18:36","startHours":17.0709422994774,"endHours":18.60418457113579,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:36","end":"20:04","startHours":18.60418457113579,"endHours":20.0709422994774,"quality":"inauspicious"},{"name":"Chala","start":"20:04","end":"21:32","startHours":20.0709422994774,"endHours":21.53770002781901,"quality":"neutral"},{"name":"Labha","start":"21:32","end":"23:00","startHours":21.53770002781901,"endHours":23.004457756160622,"quality":"auspicious"},{"name":"Amṛta","start":"23:00","end":"00:28","startHours":23.004457756160622,"endHours":24.47121548450223,"quality":"auspicious"},{"name":"Kāla","start":"00:28","end":"01:56","startHours":24.47121548450223,"endHours":25.937973212843843,"quality":"inauspicious"},{"name":"Śubha","start":"01:56","end":"03:24","startHours":25.937973212843843,"endHours":27.404730941185456,"quality":"auspicious"},{"name":"Roga","start":"03:24","end":"04:52","startHours":27.404730941185456,"endHours":28.871488669527068,"quality":"inauspicious"},{"name":"Udveg","start":"04:52","end":"06:20","startHours":28.871488669527068,"endHours":30.338246397868676,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:20","end":"07:20","startHours":6.3382463978686765,"endHours":7.3382463978686765,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:20","end":"08:20","startHours":7.3382463978686765,"endHours":8.338246397868676,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:20","end":"09:20","startHours":8.338246397868676,"endHours":9.338246397868676,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:20","end":"10:20","startHours":9.338246397868676,"endHours":10.338246397868676,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:20","end":"11:20","startHours":10.338246397868676,"endHours":11.338246397868676,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:20","end":"12:20","startHours":11.338246397868676,"endHours":12.338246397868676,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:20","end":"13:20","startHours":12.338246397868676,"endHours":13.338246397868676,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:20","end":"14:20","startHours":13.338246397868676,"endHours":14.338246397868676,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:20","end":"15:20","startHours":14.338246397868676,"endHours":15.338246397868676,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:20","end":"16:20","startHours":15.338246397868676,"endHours":16.338246397868676,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:20","end":"17:20","startHours":16.338246397868676,"endHours":17.338246397868676,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:20","end":"18:20","startHours":17.338246397868676,"endHours":18.338246397868676,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:20","end":"19:20","startHours":18.338246397868676,"endHours":19.338246397868676,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:20","end":"20:20","startHours":19.338246397868676,"endHours":20.338246397868676,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:20","end":"21:20","startHours":20.338246397868676,"endHours":21.338246397868676,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:20","end":"22:20","startHours":21.338246397868676,"endHours":22.338246397868676,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:20","end":"23:20","startHours":22.338246397868676,"endHours":23.338246397868676,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:20","end":"00:20","startHours":23.338246397868676,"endHours":24.338246397868676,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:20","end":"01:20","startHours":24.338246397868676,"endHours":25.338246397868676,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:20","end":"02:20","startHours":25.338246397868676,"endHours":26.338246397868676,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:20","end":"03:20","startHours":26.338246397868676,"endHours":27.338246397868676,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:20","end":"04:20","startHours":27.338246397868676,"endHours":28.338246397868676,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:20","end":"05:20","startHours":28.338246397868676,"endHours":29.338246397868676,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:20","end":"06:20","startHours":29.338246397868676,"endHours":30.338246397868676,"planetary_lord":"Sun"}],"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":"North (Uttara)","chandraVasa":"West","rahuVasa":"South-West","anandadiYoga":{"name":"Gada","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":3.73536317782841,"eotMinutes":4.753870929866006,"ayanamsa":26.461}},"calendars":{"vikram_samvat":2243,"vikram_samvatsara":"Vikāri","saka_samvat":2108,"saka_samvatsara":"Vyaya","bengali_samvat":1593,"malayalam_era":1362,"nanakshahi_year":717,"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 2243 Vikāri · Śaka 2108 Vyaya"},"festivals":[],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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, 2186 CE · Kolhāpur, Maharashtra · Vidhyamitra","description":"September 13, 2186 CE for Kolhāpur, Maharashtra: Kṛṣṇa Amāvasyā, sūryodaya 06:20, sūryāsta 18:36.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kolhapur/2186-09-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kolhapur/2186-09-13","sa":"https://sa.vidhyamitra.com/city/kolhapur/2186-09-13","hi":"https://hi.vidhyamitra.com/city/kolhapur/2186-09-13","x-default":"https://vidhyamitra.com/city/kolhapur/2186-09-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T10:12:29.622Z","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":"2026-05-31T10:12:29.622Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T10:12:29.622Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}