{"id":"vidhyamitra:city-day:kolhapur:1917-10-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kolhapur/1917-10-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1917-10-13","date_display":"October 13, 1917 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":1917,"month":10,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2421514.770833,"kali_year":5019,"ahargana":1833049.2708,"sun":{"sidereal_longitude":175.8858,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":140.473,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":324.5872,"elapsed_within_tithi_degrees":0.5872},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3,"moon_longitude":140.473,"elapsed_within_degrees":7.1397},"yoga":{"number":24,"name":"Śukla","sum_longitude":316.3588},"karana":{"half_tithi_index":54,"name":"Gara"},"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":1917,"month":10,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2421514.770833,"ahargana":1833049.2708,"kali_year":5019,"ayanamsa_lahiri":22.7045,"grahas":{"sun":{"sidereal_longitude":176.42368599999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":142.415386,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false,"latitude":-4.0522},"mars":{"sidereal_longitude":116.90698600000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":162.85028599999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":49.05938600000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":true},"venus":{"sidereal_longitude":219.69788599999993,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":110.590486,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":256.2284,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":76.2284,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"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":1917,"month":10,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2421514.770833,"kali_year":5019,"ahargana":1833049.2708,"sun":{"sidereal_longitude":175.8858,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":140.473,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":324.5872,"elapsed_within_tithi_degrees":0.5872},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3,"moon_longitude":140.473,"elapsed_within_degrees":7.1397},"yoga":{"number":24,"name":"Śukla","sum_longitude":316.3588},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.052,"elongation":35.413},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.052,"opposition_distance":144.587}},"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":"06:24","sunsetLocal":"18:13","solarNoonLocal":"12:19","dayLengthHours":11.815562012198022,"dayLengthDisplay":"11 Hours 48 Mins 56 Secs","nightLengthDisplay":"12 Hours 11 Mins 04 Secs","moonriseLocal":"03:53","moonsetLocal":"16:12","rahuKala":{"name":"Rāhu Kāla","start":"09:21","end":"10:50","startHours":9.355849010149239,"endHours":10.83279426167399,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:47","end":"15:16","startHours":13.786684764723496,"endHours":15.26363001624825,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:24","end":"07:53","startHours":6.4019585070997325,"endHours":7.878903758624485,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:10","end":"09:33","startHours":9.158922976612605,"endHours":9.552775043685871,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:54","end":"07:13","startHours":6.894273590941316,"endHours":7.20935524459993,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:55","end":"12:42","startHours":11.915887446125476,"endHours":12.70359158027201,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:50","end":"05:37","startHours":4.826550238806663,"endHours":5.614254372953198,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:25","end":"06:24","startHours":5.417328339416564,"endHours":6.4019585070997325,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:17","end":"15:04","startHours":14.278999848565082,"endHours":15.066703982711617,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:01","end":"18:25","startHours":18.017520519297754,"endHours":18.417520519297753,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:13","end":"18:43","startHours":18.217520519297754,"endHours":18.70983560313934,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:58","end":"19:43","startHours":17.967520519297754,"endHours":19.717520519297754,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:55","end":"00:42","startHours":23.915887446125474,"endHours":24.70359158027201,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:24","end":"07:53","startHours":6.4019585070997325,"endHours":7.878903758624485,"quality":"inauspicious"},{"name":"Śubha","start":"07:53","end":"09:21","startHours":7.878903758624485,"endHours":9.355849010149239,"quality":"auspicious"},{"name":"Roga","start":"09:21","end":"10:50","startHours":9.355849010149239,"endHours":10.83279426167399,"quality":"inauspicious"},{"name":"Udveg","start":"10:50","end":"12:19","startHours":10.83279426167399,"endHours":12.309739513198743,"quality":"inauspicious"},{"name":"Chala","start":"12:19","end":"13:47","startHours":12.309739513198743,"endHours":13.786684764723496,"quality":"neutral"},{"name":"Labha","start":"13:47","end":"15:16","startHours":13.786684764723496,"endHours":15.26363001624825,"quality":"auspicious"},{"name":"Amṛta","start":"15:16","end":"16:44","startHours":15.26363001624825,"endHours":16.740575267773,"quality":"auspicious"},{"name":"Kāla","start":"16:44","end":"18:13","startHours":16.740575267773,"endHours":18.217520519297754,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:13","end":"19:44","startHours":18.217520519297754,"endHours":19.740575267773,"quality":"auspicious"},{"name":"Amṛta","start":"19:44","end":"21:16","startHours":19.740575267773,"endHours":21.26363001624825,"quality":"auspicious"},{"name":"Kāla","start":"21:16","end":"22:47","startHours":21.26363001624825,"endHours":22.786684764723496,"quality":"inauspicious"},{"name":"Śubha","start":"22:47","end":"00:19","startHours":22.786684764723496,"endHours":24.309739513198743,"quality":"auspicious"},{"name":"Roga","start":"00:19","end":"01:50","startHours":24.309739513198743,"endHours":25.83279426167399,"quality":"inauspicious"},{"name":"Udveg","start":"01:50","end":"03:21","startHours":25.83279426167399,"endHours":27.355849010149235,"quality":"inauspicious"},{"name":"Chala","start":"03:21","end":"04:53","startHours":27.355849010149235,"endHours":28.878903758624485,"quality":"neutral"},{"name":"Labha","start":"04:53","end":"06:24","startHours":28.878903758624485,"endHours":30.40195850709973,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:24","end":"07:24","startHours":6.4019585070997325,"endHours":7.4019585070997325,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:24","end":"08:24","startHours":7.4019585070997325,"endHours":8.401958507099732,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:24","end":"09:24","startHours":8.401958507099732,"endHours":9.401958507099732,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:24","end":"10:24","startHours":9.401958507099732,"endHours":10.401958507099732,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:24","end":"11:24","startHours":10.401958507099732,"endHours":11.401958507099732,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:24","end":"12:24","startHours":11.401958507099732,"endHours":12.401958507099732,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:24","end":"13:24","startHours":12.401958507099732,"endHours":13.401958507099732,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:24","end":"14:24","startHours":13.401958507099732,"endHours":14.401958507099732,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:24","end":"15:24","startHours":14.401958507099732,"endHours":15.401958507099732,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:24","end":"16:24","startHours":15.401958507099732,"endHours":16.40195850709973,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:24","end":"17:24","startHours":16.40195850709973,"endHours":17.40195850709973,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:24","end":"18:24","startHours":17.40195850709973,"endHours":18.40195850709973,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:24","end":"19:24","startHours":18.40195850709973,"endHours":19.40195850709973,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:24","end":"20:24","startHours":19.40195850709973,"endHours":20.40195850709973,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:24","end":"21:24","startHours":20.40195850709973,"endHours":21.40195850709973,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:24","end":"22:24","startHours":21.40195850709973,"endHours":22.40195850709973,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:24","end":"23:24","startHours":22.40195850709973,"endHours":23.40195850709973,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:24","end":"00:24","startHours":23.40195850709973,"endHours":24.40195850709973,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:24","end":"01:24","startHours":24.40195850709973,"endHours":25.40195850709973,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:24","end":"02:24","startHours":25.40195850709973,"endHours":26.40195850709973,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:24","end":"03:24","startHours":26.40195850709973,"endHours":27.40195850709973,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:24","end":"04:24","startHours":27.40195850709973,"endHours":28.40195850709973,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:24","end":"05:24","startHours":28.40195850709973,"endHours":29.40195850709973,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:24","end":"06:24","startHours":29.40195850709973,"endHours":30.40195850709973,"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":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-7.488665235680861,"eotMinutes":14.442429208075392,"ayanamsa":22.7045}},"calendars":{"vikram_samvat":1974,"vikram_samvatsara":"Pramoda","saka_samvat":1839,"saka_samvatsara":"Piṅgala","bengali_samvat":1324,"malayalam_era":1093,"nanakshahi_year":448,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Trayodaśī · Vikram 1974 Pramoda · Śaka 1839 Piṅgala"},"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 October 13, 1917 CE · Kolhāpur, Maharashtra · Vidhyamitra","description":"October 13, 1917 CE for Kolhāpur, Maharashtra: Kṛṣṇa Trayodaśī, sūryodaya 06:24, sūryāsta 18:13.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kolhapur/1917-10-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kolhapur/1917-10-13","sa":"https://sa.vidhyamitra.com/city/kolhapur/1917-10-13","hi":"https://hi.vidhyamitra.com/city/kolhapur/1917-10-13","x-default":"https://vidhyamitra.com/city/kolhapur/1917-10-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T17:25:15.915Z","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":"2026-05-31T17:25:15.915Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T17:25:15.915Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}