{"id":"vidhyamitra:city-day:kolhapur:1973-09-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kolhapur/1973-09-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1973-09-12","date_display":"September 12, 1973 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":1973,"month":9,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441937.770833,"kali_year":5075,"ahargana":1853472.2708,"sun":{"sidereal_longitude":144.993,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":317.1369,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":172.1439,"elapsed_within_tithi_degrees":4.1439},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4,"moon_longitude":317.1369,"elapsed_within_degrees":10.4703},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":102.13},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"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":1973,"month":9,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2441937.770833,"ahargana":1853472.2708,"kali_year":5075,"ayanamsa_lahiri":23.4856,"grahas":{"sun":{"sidereal_longitude":145.65017699999999,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":318.36997699999995,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false,"latitude":4.0093},"mars":{"sidereal_longitude":15.660477000000014,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":true},"mercury":{"sidereal_longitude":153.97237700000005,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":279.566277,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":185.32747700000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":70.381977,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":254.1196,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":74.1196,"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":1973,"month":9,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441937.770833,"kali_year":5075,"ahargana":1853472.2708,"sun":{"sidereal_longitude":144.993,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":317.1369,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":172.1439,"elapsed_within_tithi_degrees":4.1439},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4,"moon_longitude":317.1369,"elapsed_within_degrees":10.4703},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":102.13},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.009,"elongation":172.144},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.009,"opposition_distance":7.856}},"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":"12:29","dayLengthHours":12.288708325874161,"dayLengthDisplay":"12 Hours 17 Mins 19 Secs","nightLengthDisplay":"11 Hours 42 Mins 41 Secs","moonriseLocal":"18:06","moonsetLocal":"05:53","rahuKala":{"name":"Rāhu Kāla","start":"12:29","end":"14:01","startHours":12.477388074200242,"endHours":14.013476614934513,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:52","end":"09:24","startHours":7.869122451997432,"endHours":9.405210992731703,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:56","end":"12:29","startHours":10.941299533465973,"endHours":12.477388074200242,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:12","end":"09:37","startHours":9.200399187300466,"endHours":9.61002279816294,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:51","end":"07:10","startHours":6.8450634248412525,"endHours":7.17276231353123,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:04","end":"12:53","startHours":12.06776446333777,"endHours":12.887011685062713,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:42","end":"05:31","startHours":4.694539467813274,"endHours":5.513786689538218,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:19","end":"06:20","startHours":5.308974884106982,"endHours":6.333033911263162,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:32","end":"15:21","startHours":14.525506128512603,"endHours":15.344753350237548,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:25","end":"18:49","startHours":18.421742237137323,"endHours":18.82174223713732,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:37","end":"19:08","startHours":18.621742237137322,"endHours":19.13377175071541,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:22","end":"20:07","startHours":18.371742237137322,"endHours":20.121742237137322,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:04","end":"00:53","startHours":24.06776446333777,"endHours":24.887011685062713,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:20","end":"07:52","startHours":6.333033911263162,"endHours":7.869122451997432,"quality":"auspicious"},{"name":"Amṛta","start":"07:52","end":"09:24","startHours":7.869122451997432,"endHours":9.405210992731703,"quality":"auspicious"},{"name":"Kāla","start":"09:24","end":"10:56","startHours":9.405210992731703,"endHours":10.941299533465973,"quality":"inauspicious"},{"name":"Śubha","start":"10:56","end":"12:29","startHours":10.941299533465973,"endHours":12.477388074200242,"quality":"auspicious"},{"name":"Roga","start":"12:29","end":"14:01","startHours":12.477388074200242,"endHours":14.013476614934513,"quality":"inauspicious"},{"name":"Udveg","start":"14:01","end":"15:33","startHours":14.013476614934513,"endHours":15.549565155668784,"quality":"inauspicious"},{"name":"Chala","start":"15:33","end":"17:05","startHours":15.549565155668784,"endHours":17.085653696403053,"quality":"neutral"},{"name":"Labha","start":"17:05","end":"18:37","startHours":17.085653696403053,"endHours":18.621742237137322,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:37","end":"20:05","startHours":18.621742237137322,"endHours":20.085653696403053,"quality":"inauspicious"},{"name":"Chala","start":"20:05","end":"21:33","startHours":20.085653696403053,"endHours":21.54956515566878,"quality":"neutral"},{"name":"Labha","start":"21:33","end":"23:01","startHours":21.54956515566878,"endHours":23.01347661493451,"quality":"auspicious"},{"name":"Amṛta","start":"23:01","end":"00:29","startHours":23.01347661493451,"endHours":24.477388074200242,"quality":"auspicious"},{"name":"Kāla","start":"00:29","end":"01:56","startHours":24.477388074200242,"endHours":25.941299533465973,"quality":"inauspicious"},{"name":"Śubha","start":"01:56","end":"03:24","startHours":25.941299533465973,"endHours":27.405210992731703,"quality":"auspicious"},{"name":"Roga","start":"03:24","end":"04:52","startHours":27.405210992731703,"endHours":28.86912245199743,"quality":"inauspicious"},{"name":"Udveg","start":"04:52","end":"06:20","startHours":28.86912245199743,"endHours":30.33303391126316,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:20","end":"07:20","startHours":6.333033911263162,"endHours":7.333033911263162,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:20","end":"08:20","startHours":7.333033911263162,"endHours":8.333033911263161,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:20","end":"09:20","startHours":8.333033911263161,"endHours":9.333033911263161,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:20","end":"10:20","startHours":9.333033911263161,"endHours":10.333033911263161,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:20","end":"11:20","startHours":10.333033911263161,"endHours":11.333033911263161,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:20","end":"12:20","startHours":11.333033911263161,"endHours":12.333033911263161,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:20","end":"13:20","startHours":12.333033911263161,"endHours":13.333033911263161,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:20","end":"14:20","startHours":13.333033911263161,"endHours":14.333033911263161,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:20","end":"15:20","startHours":14.333033911263161,"endHours":15.333033911263161,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:20","end":"16:20","startHours":15.333033911263161,"endHours":16.33303391126316,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:20","end":"17:20","startHours":16.33303391126316,"endHours":17.33303391126316,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:20","end":"18:20","startHours":17.33303391126316,"endHours":18.33303391126316,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:20","end":"19:20","startHours":18.33303391126316,"endHours":19.33303391126316,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:20","end":"20:20","startHours":19.33303391126316,"endHours":20.33303391126316,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:20","end":"21:20","startHours":20.33303391126316,"endHours":21.33303391126316,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:20","end":"22:20","startHours":21.33303391126316,"endHours":22.33303391126316,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:20","end":"23:20","startHours":22.33303391126316,"endHours":23.33303391126316,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:20","end":"00:20","startHours":23.33303391126316,"endHours":24.33303391126316,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:20","end":"01:20","startHours":24.33303391126316,"endHours":25.33303391126316,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:20","end":"02:20","startHours":25.33303391126316,"endHours":26.33303391126316,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:20","end":"03:20","startHours":26.33303391126316,"endHours":27.33303391126316,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:20","end":"04:20","startHours":27.33303391126316,"endHours":28.33303391126316,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:20","end":"05:20","startHours":28.33303391126316,"endHours":29.33303391126316,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:20","end":"06:20","startHours":29.33303391126316,"endHours":30.33303391126316,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"South","rahuVasa":"South-West","anandadiYoga":{"name":"Śrīvatsa","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":4.299240436936886,"eotMinutes":4.383515547985428,"ayanamsa":23.4856}},"calendars":{"vikram_samvat":2030,"vikram_samvatsara":"Akṣaya","saka_samvat":1895,"saka_samvatsara":"Pramādī","bengali_samvat":1380,"malayalam_era":1149,"nanakshahi_year":504,"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 Pūrṇimā · Vikram 2030 Akṣaya · Śaka 1895 Pramādī"},"festivals":[],"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":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Śukla Pūrṇimā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Śukla Pūrṇimā","url":"/day/-0562-04-11","relevance":0.5}]},"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 12, 1973 CE · Kolhāpur, Maharashtra · Vidhyamitra","description":"September 12, 1973 CE for Kolhāpur, Maharashtra: Śukla Pūrṇimā, sūryodaya 06:20, sūryāsta 18:37.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kolhapur/1973-09-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kolhapur/1973-09-12","sa":"https://sa.vidhyamitra.com/city/kolhapur/1973-09-12","hi":"https://hi.vidhyamitra.com/city/kolhapur/1973-09-12","x-default":"https://vidhyamitra.com/city/kolhapur/1973-09-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T02:04:35.871Z","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":"2026-06-01T02:04:35.871Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T02:04:35.871Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}