{"id":"vidhyamitra:city-day:kolhapur:1918-09-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kolhapur/1918-09-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1918-09-18","date_display":"September 18, 1918 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":1918,"month":9,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2421854.770833,"kali_year":5020,"ahargana":1833389.2708,"sun":{"sidereal_longitude":151.0534,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":297.4716,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":146.4181,"elapsed_within_tithi_degrees":2.4181},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2,"moon_longitude":297.4716,"elapsed_within_degrees":4.1382},"yoga":{"number":7,"name":"Sukarma","sum_longitude":88.525},"karana":{"half_tithi_index":24,"name":"Kaulava"},"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":1918,"month":9,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2421854.770833,"ahargana":1833389.2708,"kali_year":5020,"ayanamsa_lahiri":22.7175,"grahas":{"sun":{"sidereal_longitude":151.59029499999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":296.627795,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false,"latitude":3.8666},"mars":{"sidereal_longitude":209.23569499999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":134.93149499999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":80.24199499999997,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"venus":{"sidereal_longitude":135.62389499999995,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":120.41159499999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":238.2135,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":58.2135,"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":1918,"month":9,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2421854.770833,"kali_year":5020,"ahargana":1833389.2708,"sun":{"sidereal_longitude":151.0534,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":297.4716,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":146.4181,"elapsed_within_tithi_degrees":2.4181},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2,"moon_longitude":297.4716,"elapsed_within_degrees":4.1382},"yoga":{"number":7,"name":"Sukarma","sum_longitude":88.525},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.867,"elongation":146.418},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.867,"opposition_distance":33.582}},"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":"18:33","solarNoonLocal":"12:26","dayLengthHours":12.206585472893478,"dayLengthDisplay":"12 Hours 12 Mins 24 Secs","nightLengthDisplay":"11 Hours 47 Mins 36 Secs","moonriseLocal":"16:23","moonsetLocal":"03:51","rahuKala":{"name":"Rāhu Kāla","start":"12:26","end":"13:58","startHours":12.44027963043876,"endHours":13.966102814550446,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:52","end":"09:23","startHours":7.862810078103706,"endHours":9.388633262215391,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:55","end":"12:26","startHours":10.914456446327076,"endHours":12.44027963043876,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:11","end":"09:36","startHours":9.1851901710005,"endHours":9.592076353430283,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:51","end":"07:10","startHours":6.84559462202925,"endHours":7.171103567973075,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:02","end":"12:51","startHours":12.033393448008976,"endHours":12.847165812868543,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:43","end":"05:31","startHours":4.709442164272891,"endHours":5.523214529132456,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:19","end":"06:20","startHours":5.319771437917565,"endHours":6.336986893992021,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:28","end":"15:17","startHours":14.474710542587673,"endHours":15.288482907447237,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:21","end":"18:45","startHours":18.3435723668855,"endHours":18.7435723668855,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:33","end":"19:03","startHours":18.5435723668855,"endHours":19.052180094922726,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:18","end":"20:03","startHours":18.2935723668855,"endHours":20.0435723668855,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:02","end":"00:51","startHours":24.033393448008976,"endHours":24.847165812868543,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:20","end":"07:52","startHours":6.336986893992021,"endHours":7.862810078103706,"quality":"auspicious"},{"name":"Amṛta","start":"07:52","end":"09:23","startHours":7.862810078103706,"endHours":9.388633262215391,"quality":"auspicious"},{"name":"Kāla","start":"09:23","end":"10:55","startHours":9.388633262215391,"endHours":10.914456446327076,"quality":"inauspicious"},{"name":"Śubha","start":"10:55","end":"12:26","startHours":10.914456446327076,"endHours":12.44027963043876,"quality":"auspicious"},{"name":"Roga","start":"12:26","end":"13:58","startHours":12.44027963043876,"endHours":13.966102814550446,"quality":"inauspicious"},{"name":"Udveg","start":"13:58","end":"15:30","startHours":13.966102814550446,"endHours":15.49192599866213,"quality":"inauspicious"},{"name":"Chala","start":"15:30","end":"17:01","startHours":15.49192599866213,"endHours":17.017749182773812,"quality":"neutral"},{"name":"Labha","start":"17:01","end":"18:33","startHours":17.017749182773812,"endHours":18.5435723668855,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:33","end":"20:01","startHours":18.5435723668855,"endHours":20.017749182773816,"quality":"inauspicious"},{"name":"Chala","start":"20:01","end":"21:30","startHours":20.017749182773816,"endHours":21.49192599866213,"quality":"neutral"},{"name":"Labha","start":"21:30","end":"22:58","startHours":21.49192599866213,"endHours":22.966102814550446,"quality":"auspicious"},{"name":"Amṛta","start":"22:58","end":"00:26","startHours":22.966102814550446,"endHours":24.44027963043876,"quality":"auspicious"},{"name":"Kāla","start":"00:26","end":"01:55","startHours":24.44027963043876,"endHours":25.914456446327076,"quality":"inauspicious"},{"name":"Śubha","start":"01:55","end":"03:23","startHours":25.914456446327076,"endHours":27.388633262215393,"quality":"auspicious"},{"name":"Roga","start":"03:23","end":"04:52","startHours":27.388633262215393,"endHours":28.862810078103706,"quality":"inauspicious"},{"name":"Udveg","start":"04:52","end":"06:20","startHours":28.862810078103706,"endHours":30.33698689399202,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:20","end":"07:20","startHours":6.336986893992021,"endHours":7.336986893992021,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:20","end":"08:20","startHours":7.336986893992021,"endHours":8.336986893992021,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:20","end":"09:20","startHours":8.336986893992021,"endHours":9.336986893992021,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:20","end":"10:20","startHours":9.336986893992021,"endHours":10.336986893992021,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:20","end":"11:20","startHours":10.336986893992021,"endHours":11.336986893992021,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:20","end":"12:20","startHours":11.336986893992021,"endHours":12.336986893992021,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:20","end":"13:20","startHours":12.336986893992021,"endHours":13.336986893992021,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:20","end":"14:20","startHours":13.336986893992021,"endHours":14.336986893992021,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:20","end":"15:20","startHours":14.336986893992021,"endHours":15.336986893992021,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:20","end":"16:20","startHours":15.336986893992021,"endHours":16.33698689399202,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:20","end":"17:20","startHours":16.33698689399202,"endHours":17.33698689399202,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:20","end":"18:20","startHours":17.33698689399202,"endHours":18.33698689399202,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:20","end":"19:20","startHours":18.33698689399202,"endHours":19.33698689399202,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:20","end":"20:20","startHours":19.33698689399202,"endHours":20.33698689399202,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:20","end":"21:20","startHours":20.33698689399202,"endHours":21.33698689399202,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:20","end":"22:20","startHours":21.33698689399202,"endHours":22.33698689399202,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:20","end":"23:20","startHours":22.33698689399202,"endHours":23.33698689399202,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:20","end":"00:20","startHours":23.33698689399202,"endHours":24.33698689399202,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:20","end":"01:20","startHours":24.33698689399202,"endHours":25.33698689399202,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:20","end":"02:20","startHours":25.33698689399202,"endHours":26.33698689399202,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:20","end":"03:20","startHours":26.33698689399202,"endHours":27.33698689399202,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:20","end":"04:20","startHours":27.33698689399202,"endHours":28.33698689399202,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:20","end":"05:20","startHours":28.33698689399202,"endHours":29.33698689399202,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:20","end":"06:20","startHours":29.33698689399202,"endHours":30.33698689399202,"planetary_lord":"Sun"}],"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":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"South-West","anandadiYoga":{"name":"Dhvaja","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":2.260838964101682,"eotMinutes":6.610022173674397,"ayanamsa":22.7175}},"calendars":{"vikram_samvat":1975,"vikram_samvatsara":"Prajāpati","saka_samvat":1840,"saka_samvatsara":"Kālayukta","bengali_samvat":1325,"malayalam_era":1094,"nanakshahi_year":449,"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":"Kanyā (Puraṭṭāsi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Trayodaśī · Vikram 1975 Prajāpati · Śaka 1840 Kālayukta"},"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":"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":[]},"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 18, 1918 CE · Kolhāpur, Maharashtra · Vidhyamitra","description":"September 18, 1918 CE for Kolhāpur, Maharashtra: Śukla Trayodaśī, sūryodaya 06:20, sūryāsta 18:33.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kolhapur/1918-09-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kolhapur/1918-09-18","sa":"https://sa.vidhyamitra.com/city/kolhapur/1918-09-18","hi":"https://hi.vidhyamitra.com/city/kolhapur/1918-09-18","x-default":"https://vidhyamitra.com/city/kolhapur/1918-09-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T13:22:42.130Z","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":"2026-06-02T13:22:42.130Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T13:22:42.130Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}