{"id":"vidhyamitra:city-day:kolhapur:1909-09-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kolhapur/1909-09-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1909-09-13","date_display":"September 13, 1909 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":1909,"month":9,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2418562.770833,"kali_year":5011,"ahargana":1830097.2708,"sun":{"sidereal_longitude":146.5083,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":128.9729,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":342.4647,"elapsed_within_tithi_degrees":6.4647},"nakshatra":{"number":10,"name":"Maghā","pada":3,"moon_longitude":128.9729,"elapsed_within_degrees":8.9729},"yoga":{"number":21,"name":"Siddha","sum_longitude":275.4812},"karana":{"half_tithi_index":57,"name":"Śakuni"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":1909,"month":9,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2418562.770833,"ahargana":1830097.2708,"kali_year":5011,"ayanamsa_lahiri":22.5916,"grahas":{"sun":{"sidereal_longitude":147.01347399999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":129.46547399999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false,"latitude":4.3723},"mars":{"sidereal_longitude":342.571074,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":true},"mercury":{"sidereal_longitude":174.40857400000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":152.43237399999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":183.93117400000006,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":0.5823740000000157,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":52.6395,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":232.6395,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","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":1909,"month":9,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2418562.770833,"kali_year":5011,"ahargana":1830097.2708,"sun":{"sidereal_longitude":146.5083,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":128.9729,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":342.4647,"elapsed_within_tithi_degrees":6.4647},"nakshatra":{"number":10,"name":"Maghā","pada":3,"moon_longitude":128.9729,"elapsed_within_degrees":8.9729},"yoga":{"number":21,"name":"Siddha","sum_longitude":275.4812},"karana":{"half_tithi_index":57,"name":"Śakuni"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.372,"elongation":17.535},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.372,"opposition_distance":162.465}},"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":12.281275291266379,"dayLengthDisplay":"12 Hours 16 Mins 53 Secs","nightLengthDisplay":"11 Hours 43 Mins 07 Secs","moonriseLocal":"05:03","moonsetLocal":"17:34","rahuKala":{"name":"Rāhu Kāla","start":"07:52","end":"09:24","startHours":7.865737250277341,"endHours":9.400896661685639,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:56","end":"12:28","startHours":10.936056073093935,"endHours":12.471215484502233,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:00","end":"15:32","startHours":14.00637489591053,"endHours":15.541534307318827,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:12","end":"09:36","startHours":9.196208740164533,"endHours":9.605584583206745,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:51","end":"07:10","startHours":6.842297642671809,"endHours":7.169798317105579,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:04","end":"12:53","startHours":12.06183964146002,"endHours":12.880591327544446,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:42","end":"05:31","startHours":4.6930744667001925,"endHours":5.511826152784618,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:18","end":"06:20","startHours":5.307138231263512,"endHours":6.3305778388690435,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:31","end":"15:20","startHours":14.518094699713297,"endHours":15.336846385797722,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:25","end":"18:49","startHours":18.411853130135423,"endHours":18.81185313013542,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:37","end":"19:07","startHours":18.611853130135422,"endHours":19.12357293393819,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:22","end":"20:07","startHours":18.361853130135422,"endHours":20.111853130135422,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:04","end":"00:53","startHours":24.06183964146002,"endHours":24.880591327544444,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:20","end":"07:52","startHours":6.3305778388690435,"endHours":7.865737250277341,"quality":"auspicious"},{"name":"Kāla","start":"07:52","end":"09:24","startHours":7.865737250277341,"endHours":9.400896661685639,"quality":"inauspicious"},{"name":"Śubha","start":"09:24","end":"10:56","startHours":9.400896661685639,"endHours":10.936056073093935,"quality":"auspicious"},{"name":"Roga","start":"10:56","end":"12:28","startHours":10.936056073093935,"endHours":12.471215484502233,"quality":"inauspicious"},{"name":"Udveg","start":"12:28","end":"14:00","startHours":12.471215484502233,"endHours":14.00637489591053,"quality":"inauspicious"},{"name":"Chala","start":"14:00","end":"15:32","startHours":14.00637489591053,"endHours":15.541534307318827,"quality":"neutral"},{"name":"Labha","start":"15:32","end":"17:05","startHours":15.541534307318827,"endHours":17.076693718727125,"quality":"auspicious"},{"name":"Amṛta","start":"17:05","end":"18:37","startHours":17.076693718727125,"endHours":18.611853130135422,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:37","end":"20:05","startHours":18.611853130135422,"endHours":20.076693718727125,"quality":"neutral"},{"name":"Labha","start":"20:05","end":"21:32","startHours":20.076693718727125,"endHours":21.541534307318827,"quality":"auspicious"},{"name":"Amṛta","start":"21:32","end":"23:00","startHours":21.541534307318827,"endHours":23.006374895910533,"quality":"auspicious"},{"name":"Kāla","start":"23:00","end":"00:28","startHours":23.006374895910533,"endHours":24.47121548450223,"quality":"inauspicious"},{"name":"Śubha","start":"00:28","end":"01:56","startHours":24.47121548450223,"endHours":25.936056073093937,"quality":"auspicious"},{"name":"Roga","start":"01:56","end":"03:24","startHours":25.936056073093937,"endHours":27.40089666168564,"quality":"inauspicious"},{"name":"Udveg","start":"03:24","end":"04:52","startHours":27.40089666168564,"endHours":28.86573725027734,"quality":"inauspicious"},{"name":"Chala","start":"04:52","end":"06:20","startHours":28.86573725027734,"endHours":30.330577838869043,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:20","end":"07:20","startHours":6.3305778388690435,"endHours":7.3305778388690435,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:20","end":"08:20","startHours":7.3305778388690435,"endHours":8.330577838869043,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:20","end":"09:20","startHours":8.330577838869043,"endHours":9.330577838869043,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:20","end":"10:20","startHours":9.330577838869043,"endHours":10.330577838869043,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:20","end":"11:20","startHours":10.330577838869043,"endHours":11.330577838869043,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:20","end":"12:20","startHours":11.330577838869043,"endHours":12.330577838869043,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:20","end":"13:20","startHours":12.330577838869043,"endHours":13.330577838869043,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:20","end":"14:20","startHours":13.330577838869043,"endHours":14.330577838869043,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:20","end":"15:20","startHours":14.330577838869043,"endHours":15.330577838869043,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:20","end":"16:20","startHours":15.330577838869043,"endHours":16.330577838869043,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:20","end":"17:20","startHours":16.330577838869043,"endHours":17.330577838869043,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:20","end":"18:20","startHours":17.330577838869043,"endHours":18.330577838869043,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:20","end":"19:20","startHours":18.330577838869043,"endHours":19.330577838869043,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:20","end":"20:20","startHours":19.330577838869043,"endHours":20.330577838869043,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:20","end":"21:20","startHours":20.330577838869043,"endHours":21.330577838869043,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:20","end":"22:20","startHours":21.330577838869043,"endHours":22.330577838869043,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:20","end":"23:20","startHours":22.330577838869043,"endHours":23.330577838869043,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:20","end":"00:20","startHours":23.330577838869043,"endHours":24.330577838869043,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:20","end":"01:20","startHours":24.330577838869043,"endHours":25.330577838869043,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:20","end":"02:20","startHours":25.330577838869043,"endHours":26.330577838869043,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:20","end":"03:20","startHours":26.330577838869043,"endHours":27.330577838869043,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:20","end":"04:20","startHours":27.330577838869043,"endHours":28.330577838869043,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:20","end":"05:20","startHours":28.330577838869043,"endHours":29.330577838869043,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:20","end":"06:20","startHours":29.330577838869043,"endHours":30.330577838869043,"planetary_lord":"Venus"}],"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":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"West","rahuVasa":"North-East","anandadiYoga":{"name":"Padma","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":4.115293460049216,"eotMinutes":4.753870929866006,"ayanamsa":22.5916}},"calendars":{"vikram_samvat":1966,"vikram_samvatsara":"Dundubhi","saka_samvat":1831,"saka_samvatsara":"Saumya","bengali_samvat":1316,"malayalam_era":1085,"nanakshahi_year":440,"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 Caturdaśī · Vikram 1966 Dundubhi · Śaka 1831 Saumya"},"festivals":[{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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, 1909 CE · Kolhāpur, Maharashtra · Vidhyamitra","description":"September 13, 1909 CE for Kolhāpur, Maharashtra: Kṛṣṇa Caturdaśī, sūryodaya 06:20, sūryāsta 18:37.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kolhapur/1909-09-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kolhapur/1909-09-13","sa":"https://sa.vidhyamitra.com/city/kolhapur/1909-09-13","hi":"https://hi.vidhyamitra.com/city/kolhapur/1909-09-13","x-default":"https://vidhyamitra.com/city/kolhapur/1909-09-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T17:36:36.402Z","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":"2026-05-31T17:36:36.402Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T17:36:36.402Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}