{"id":"vidhyamitra:city-day:kolhapur:1920-10-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kolhapur/1920-10-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1920-10-18","date_display":"October 18, 1920 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":1920,"month":10,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2422615.770833,"kali_year":5022,"ahargana":1834150.2708,"sun":{"sidereal_longitude":181.077,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":251.967,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":70.89,"elapsed_within_tithi_degrees":10.89},"nakshatra":{"number":19,"name":"Mūla","pada":4,"moon_longitude":251.967,"elapsed_within_degrees":11.967},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":73.044},"karana":{"half_tithi_index":11,"name":"Taitila"},"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":1920,"month":10,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2422615.770833,"ahargana":1834150.2708,"kali_year":5022,"ayanamsa_lahiri":22.7466,"grahas":{"sun":{"sidereal_longitude":181.61221999999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":250.06511999999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false,"latitude":3.6427},"mars":{"sidereal_longitude":247.98811999999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":205.72591999999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":138.47012,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":210.79462,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":147.40902,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":197.8921,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":17.8921,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","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":1920,"month":10,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2422615.770833,"kali_year":5022,"ahargana":1834150.2708,"sun":{"sidereal_longitude":181.077,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":251.967,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":70.89,"elapsed_within_tithi_degrees":10.89},"nakshatra":{"number":19,"name":"Mūla","pada":4,"moon_longitude":251.967,"elapsed_within_degrees":11.967},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":73.044},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.643,"elongation":70.89},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.643,"opposition_distance":109.11}},"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":"06:26","sunsetLocal":"18:10","solarNoonLocal":"12:18","dayLengthHours":11.736231505991249,"dayLengthDisplay":"11 Hours 44 Mins 10 Secs","nightLengthDisplay":"12 Hours 15 Mins 50 Secs","moonriseLocal":"11:19","moonsetLocal":"22:24","rahuKala":{"name":"Rāhu Kāla","start":"07:54","end":"09:22","startHours":7.892765548532974,"endHours":9.35979448678188,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:50","end":"12:18","startHours":10.826823425030787,"endHours":12.293852363279694,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:46","end":"15:14","startHours":13.760881301528599,"endHours":15.227910239777504,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:10","end":"09:33","startHours":9.164190628348694,"endHours":9.555398345215067,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:55","end":"07:14","startHours":6.914746256367037,"endHours":7.227712429860137,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:41","startHours":11.902644646413318,"endHours":12.68506008014607,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:52","end":"05:39","startHours":4.860905742818568,"endHours":5.643321176551319,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:27","end":"06:26","startHours":5.447717318118131,"endHours":6.425736610284068,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:15","end":"15:02","startHours":14.249890947611568,"endHours":15.032306381344318,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:58","end":"18:22","startHours":17.96196811627532,"endHours":18.361968116275317,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:10","end":"18:39","startHours":18.161968116275318,"endHours":18.650977762358288,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:55","end":"19:40","startHours":17.911968116275318,"endHours":19.661968116275318,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:41","startHours":23.902644646413318,"endHours":24.68506008014607,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:26","end":"07:54","startHours":6.425736610284068,"endHours":7.892765548532974,"quality":"auspicious"},{"name":"Kāla","start":"07:54","end":"09:22","startHours":7.892765548532974,"endHours":9.35979448678188,"quality":"inauspicious"},{"name":"Śubha","start":"09:22","end":"10:50","startHours":9.35979448678188,"endHours":10.826823425030787,"quality":"auspicious"},{"name":"Roga","start":"10:50","end":"12:18","startHours":10.826823425030787,"endHours":12.293852363279694,"quality":"inauspicious"},{"name":"Udveg","start":"12:18","end":"13:46","startHours":12.293852363279694,"endHours":13.760881301528599,"quality":"inauspicious"},{"name":"Chala","start":"13:46","end":"15:14","startHours":13.760881301528599,"endHours":15.227910239777504,"quality":"neutral"},{"name":"Labha","start":"15:14","end":"16:42","startHours":15.227910239777504,"endHours":16.694939178026413,"quality":"auspicious"},{"name":"Amṛta","start":"16:42","end":"18:10","startHours":16.694939178026413,"endHours":18.161968116275318,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:10","end":"19:42","startHours":18.161968116275318,"endHours":19.694939178026413,"quality":"neutral"},{"name":"Labha","start":"19:42","end":"21:14","startHours":19.694939178026413,"endHours":21.227910239777508,"quality":"auspicious"},{"name":"Amṛta","start":"21:14","end":"22:46","startHours":21.227910239777508,"endHours":22.7608813015286,"quality":"auspicious"},{"name":"Kāla","start":"22:46","end":"00:18","startHours":22.7608813015286,"endHours":24.293852363279694,"quality":"inauspicious"},{"name":"Śubha","start":"00:18","end":"01:50","startHours":24.293852363279694,"endHours":25.82682342503079,"quality":"auspicious"},{"name":"Roga","start":"01:50","end":"03:22","startHours":25.82682342503079,"endHours":27.35979448678188,"quality":"inauspicious"},{"name":"Udveg","start":"03:22","end":"04:54","startHours":27.35979448678188,"endHours":28.892765548532974,"quality":"inauspicious"},{"name":"Chala","start":"04:54","end":"06:26","startHours":28.892765548532974,"endHours":30.42573661028407,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:26","end":"07:26","startHours":6.425736610284068,"endHours":7.425736610284068,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:26","end":"08:26","startHours":7.425736610284068,"endHours":8.42573661028407,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:26","end":"09:26","startHours":8.42573661028407,"endHours":9.42573661028407,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:26","end":"10:26","startHours":9.42573661028407,"endHours":10.42573661028407,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:26","end":"11:26","startHours":10.42573661028407,"endHours":11.42573661028407,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:26","end":"12:26","startHours":11.42573661028407,"endHours":12.42573661028407,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:26","end":"13:26","startHours":12.42573661028407,"endHours":13.42573661028407,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:26","end":"14:26","startHours":13.42573661028407,"endHours":14.42573661028407,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:26","end":"15:26","startHours":14.42573661028407,"endHours":15.42573661028407,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:26","end":"16:26","startHours":15.42573661028407,"endHours":16.42573661028407,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:26","end":"17:26","startHours":16.42573661028407,"endHours":17.42573661028407,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:26","end":"18:26","startHours":17.42573661028407,"endHours":18.42573661028407,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:26","end":"19:26","startHours":18.42573661028407,"endHours":19.42573661028407,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:26","end":"20:26","startHours":19.42573661028407,"endHours":20.42573661028407,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:26","end":"21:26","startHours":20.42573661028407,"endHours":21.42573661028407,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:26","end":"22:26","startHours":21.42573661028407,"endHours":22.42573661028407,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:26","end":"23:26","startHours":22.42573661028407,"endHours":23.42573661028407,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:26","end":"00:26","startHours":23.42573661028407,"endHours":24.42573661028407,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:26","end":"01:26","startHours":24.42573661028407,"endHours":25.42573661028407,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:26","end":"02:26","startHours":25.42573661028407,"endHours":26.42573661028407,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:26","end":"03:26","startHours":26.42573661028407,"endHours":27.42573661028407,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:26","end":"04:26","startHours":27.42573661028407,"endHours":28.42573661028407,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:26","end":"05:26","startHours":28.42573661028407,"endHours":29.42573661028407,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:26","end":"06:26","startHours":29.42573661028407,"endHours":30.42573661028407,"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","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Gada","quality":"Inauspicious"},"drikRitu":"Śarad (Autumn)","vedicRitu":"Śarad (Autumn)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-9.44174193127194,"eotMinutes":15.395658203218455,"ayanamsa":22.7466}},"calendars":{"vikram_samvat":1977,"vikram_samvatsara":"Śrīmukha","saka_samvat":1842,"saka_samvatsara":"Raudra","bengali_samvat":1327,"malayalam_era":1096,"nanakshahi_year":451,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Śukla Pakṣa","solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Śukla Ṣaṣṭhī · Vikram 1977 Śrīmukha · Śaka 1842 Raudra"},"festivals":[{"id":"chhath-puja","name":"Chhaṭh Pūjā","name_sanskrit":"छठ पूजा","tradition":"Regional","associated_deity":"Sūrya + Chhaṭhī Mātā","significance":"Bihar/UP festival worshiping Sūrya. 6th day of Kārtika Śukla.","vrata":true,"detection":{"tithi_number":6,"tithi_paksha":"Śukla","lunar_month":"Kārtika"},"precedence":2},{"id":"tula-sankranti","name":"Tulā Saṅkrānti","name_sanskrit":"तुला सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Libra.","vrata":false,"detection":{"sun_rashi":"Tulā"},"precedence":5}],"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 October 18, 1920 CE · Kolhāpur, Maharashtra · Vidhyamitra","description":"October 18, 1920 CE for Kolhāpur, Maharashtra: Śukla Ṣaṣṭhī, sūryodaya 06:26, sūryāsta 18:10.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kolhapur/1920-10-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kolhapur/1920-10-18","sa":"https://sa.vidhyamitra.com/city/kolhapur/1920-10-18","hi":"https://hi.vidhyamitra.com/city/kolhapur/1920-10-18","x-default":"https://vidhyamitra.com/city/kolhapur/1920-10-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-24T09:14:52.009Z","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":"2026-05-24T09:14:52.009Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-24T09:14:52.009Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}