{"id":"vidhyamitra:city-day:kolhapur:2187-09-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kolhapur/2187-09-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2187-09-15","date_display":"September 15, 2187 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":2187,"month":9,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2520102.770833,"kali_year":5289,"ahargana":1931637.2708,"sun":{"sidereal_longitude":144.6302,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":293.623,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":148.9928,"elapsed_within_tithi_degrees":4.9928},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1,"moon_longitude":293.623,"elapsed_within_degrees":0.2896},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":78.2531},"karana":{"half_tithi_index":24,"name":"Kaulava"},"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":2187,"month":9,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2520102.770833,"ahargana":1931637.2708,"kali_year":5289,"ayanamsa_lahiri":26.4751,"grahas":{"sun":{"sidereal_longitude":145.80719899999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":295.598799,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false,"latitude":-2.9542},"mars":{"sidereal_longitude":207.40389900000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":143.226699,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":295.305799,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":164.303899,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":163.44779900000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":72.5617,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":252.5617,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"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":2187,"month":9,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2520102.770833,"kali_year":5289,"ahargana":1931637.2708,"sun":{"sidereal_longitude":144.6302,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":293.623,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":148.9928,"elapsed_within_tithi_degrees":4.9928},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1,"moon_longitude":293.623,"elapsed_within_degrees":0.2896},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":78.2531},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.954,"elongation":148.993},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.954,"opposition_distance":31.007}},"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":"18:35","solarNoonLocal":"12:28","dayLengthHours":12.238793042893912,"dayLengthDisplay":"12 Hours 14 Mins 20 Secs","nightLengthDisplay":"11 Hours 45 Mins 40 Secs","moonriseLocal":"16:42","moonsetLocal":"04:12","rahuKala":{"name":"Rāhu Kāla","start":"09:24","end":"10:56","startHours":9.399137186219814,"endHours":10.928986316581554,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:59","end":"15:31","startHours":13.988684577305031,"endHours":15.518533707666771,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:20","end":"07:52","startHours":6.339438925496337,"endHours":7.869288055858076,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:12","end":"09:36","startHours":9.195157302171584,"endHours":9.603117070268047,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:51","end":"07:11","startHours":6.849388635616917,"endHours":7.175756450094088,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:03","end":"12:52","startHours":12.050875678846829,"endHours":12.866795215039758,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:42","end":"05:31","startHours":4.707599853110482,"endHours":5.523519389303409,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:19","end":"06:20","startHours":5.319539505255177,"endHours":6.339438925496337,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:30","end":"15:19","startHours":14.498634287425611,"endHours":15.314553823618539,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:23","end":"18:47","startHours":18.37823196839025,"endHours":18.778231968390248,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:35","end":"19:05","startHours":18.57823196839025,"endHours":19.08818167851083,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:20","end":"20:05","startHours":18.32823196839025,"endHours":20.07823196839025,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:03","end":"00:52","startHours":24.05087567884683,"endHours":24.866795215039758,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:20","end":"07:52","startHours":6.339438925496337,"endHours":7.869288055858076,"quality":"inauspicious"},{"name":"Śubha","start":"07:52","end":"09:24","startHours":7.869288055858076,"endHours":9.399137186219814,"quality":"auspicious"},{"name":"Roga","start":"09:24","end":"10:56","startHours":9.399137186219814,"endHours":10.928986316581554,"quality":"inauspicious"},{"name":"Udveg","start":"10:56","end":"12:28","startHours":10.928986316581554,"endHours":12.458835446943294,"quality":"inauspicious"},{"name":"Chala","start":"12:28","end":"13:59","startHours":12.458835446943294,"endHours":13.988684577305031,"quality":"neutral"},{"name":"Labha","start":"13:59","end":"15:31","startHours":13.988684577305031,"endHours":15.518533707666771,"quality":"auspicious"},{"name":"Amṛta","start":"15:31","end":"17:03","startHours":15.518533707666771,"endHours":17.04838283802851,"quality":"auspicious"},{"name":"Kāla","start":"17:03","end":"18:35","startHours":17.04838283802851,"endHours":18.57823196839025,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:35","end":"20:03","startHours":18.57823196839025,"endHours":20.04838283802851,"quality":"auspicious"},{"name":"Amṛta","start":"20:03","end":"21:31","startHours":20.04838283802851,"endHours":21.51853370766677,"quality":"auspicious"},{"name":"Kāla","start":"21:31","end":"22:59","startHours":21.51853370766677,"endHours":22.98868457730503,"quality":"inauspicious"},{"name":"Śubha","start":"22:59","end":"00:28","startHours":22.98868457730503,"endHours":24.458835446943294,"quality":"auspicious"},{"name":"Roga","start":"00:28","end":"01:56","startHours":24.458835446943294,"endHours":25.928986316581554,"quality":"inauspicious"},{"name":"Udveg","start":"01:56","end":"03:24","startHours":25.928986316581554,"endHours":27.399137186219814,"quality":"inauspicious"},{"name":"Chala","start":"03:24","end":"04:52","startHours":27.399137186219814,"endHours":28.869288055858078,"quality":"neutral"},{"name":"Labha","start":"04:52","end":"06:20","startHours":28.869288055858078,"endHours":30.33943892549634,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:20","end":"07:20","startHours":6.339438925496337,"endHours":7.339438925496337,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:20","end":"08:20","startHours":7.339438925496337,"endHours":8.339438925496337,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:20","end":"09:20","startHours":8.339438925496337,"endHours":9.339438925496337,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:20","end":"10:20","startHours":9.339438925496337,"endHours":10.339438925496337,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:20","end":"11:20","startHours":10.339438925496337,"endHours":11.339438925496337,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:20","end":"12:20","startHours":11.339438925496337,"endHours":12.339438925496337,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:20","end":"13:20","startHours":12.339438925496337,"endHours":13.339438925496337,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:20","end":"14:20","startHours":13.339438925496337,"endHours":14.339438925496337,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:20","end":"15:20","startHours":14.339438925496337,"endHours":15.339438925496337,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:20","end":"16:20","startHours":15.339438925496337,"endHours":16.33943892549634,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:20","end":"17:20","startHours":16.33943892549634,"endHours":17.33943892549634,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:20","end":"18:20","startHours":17.33943892549634,"endHours":18.33943892549634,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:20","end":"19:20","startHours":18.33943892549634,"endHours":19.33943892549634,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:20","end":"20:20","startHours":19.33943892549634,"endHours":20.33943892549634,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:20","end":"21:20","startHours":20.33943892549634,"endHours":21.33943892549634,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:20","end":"22:20","startHours":21.33943892549634,"endHours":22.33943892549634,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:20","end":"23:20","startHours":22.33943892549634,"endHours":23.33943892549634,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:20","end":"00:20","startHours":23.33943892549634,"endHours":24.33943892549634,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:20","end":"01:20","startHours":24.33943892549634,"endHours":25.33943892549634,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:20","end":"02:20","startHours":25.33943892549634,"endHours":26.33943892549634,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:20","end":"03:20","startHours":26.33943892549634,"endHours":27.33943892549634,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:20","end":"04:20","startHours":27.33943892549634,"endHours":28.33943892549634,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:20","end":"05:20","startHours":28.33943892549634,"endHours":29.33943892549634,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:20","end":"06:20","startHours":29.33943892549634,"endHours":30.33943892549634,"planetary_lord":"Mercury"}],"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":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"East","anandadiYoga":{"name":"Siddhi","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":3.061763260449876,"eotMinutes":5.496673183402374,"ayanamsa":26.4751}},"calendars":{"vikram_samvat":2244,"vikram_samvatsara":"Śārvarī","saka_samvat":2109,"saka_samvatsara":"Sarvajit","bengali_samvat":1594,"malayalam_era":1363,"nanakshahi_year":718,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","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 Śukla Trayodaśī · Vikram 2244 Śārvarī · Śaka 2109 Sarvajit"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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":[]},"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 15, 2187 CE · Kolhāpur, Maharashtra · Vidhyamitra","description":"September 15, 2187 CE for Kolhāpur, Maharashtra: Śukla Trayodaśī, sūryodaya 06:20, sūryāsta 18:35.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kolhapur/2187-09-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kolhapur/2187-09-15","sa":"https://sa.vidhyamitra.com/city/kolhapur/2187-09-15","hi":"https://hi.vidhyamitra.com/city/kolhapur/2187-09-15","x-default":"https://vidhyamitra.com/city/kolhapur/2187-09-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T19:55:26.729Z","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":"2026-05-31T19:55:26.729Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T19:55:26.729Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}