{"id":"vidhyamitra:city-day:kolhapur:2173-09-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kolhapur/2173-09-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2173-09-16","date_display":"September 16, 2173 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":2173,"month":9,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514990.770833,"kali_year":5275,"ahargana":1926525.2708,"sun":{"sidereal_longitude":146.2054,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":252.6722,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":106.4668,"elapsed_within_tithi_degrees":10.4668},"nakshatra":{"number":19,"name":"Mūla","pada":4,"moon_longitude":252.6722,"elapsed_within_degrees":12.6722},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":38.8777},"karana":{"half_tithi_index":17,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2173,"month":9,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2514990.770833,"ahargana":1926525.2708,"kali_year":5275,"ayanamsa_lahiri":26.2796,"grahas":{"sun":{"sidereal_longitude":147.352415,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":250.99741500000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false,"latitude":-4.4996},"mars":{"sidereal_longitude":118.14331499999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":166.352215,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":224.03861499999994,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":191.20701499999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":343.67751499999997,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":343.4201,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":163.4201,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","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":2173,"month":9,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514990.770833,"kali_year":5275,"ahargana":1926525.2708,"sun":{"sidereal_longitude":146.2054,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":252.6722,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":106.4668,"elapsed_within_tithi_degrees":10.4668},"nakshatra":{"number":19,"name":"Mūla","pada":4,"moon_longitude":252.6722,"elapsed_within_degrees":12.6722},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":38.8777},"karana":{"half_tithi_index":17,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.5,"elongation":106.467},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.5,"opposition_distance":73.533}},"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":"06:21","sunsetLocal":"18:34","solarNoonLocal":"12:27","dayLengthHours":12.21733590818856,"dayLengthDisplay":"12 Hours 13 Mins 02 Secs","nightLengthDisplay":"11 Hours 46 Mins 58 Secs","moonriseLocal":"13:49","moonsetLocal":"00:55","rahuKala":{"name":"Rāhu Kāla","start":"13:59","end":"15:30","startHours":13.97980847134476,"endHours":15.506975459868329,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:21","end":"07:52","startHours":6.34397352872691,"endHours":7.87114051725048,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:24","end":"10:56","startHours":9.39830750577405,"endHours":10.925474494297621,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:12","end":"09:36","startHours":9.194685240637574,"endHours":9.601929770910527,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:51","end":"07:11","startHours":6.8530291915681,"endHours":7.178824815786462,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:03","end":"12:52","startHours":12.045396952548238,"endHours":12.85988601309414,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:43","end":"05:32","startHours":4.714995407635103,"endHours":5.529484468181006,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:20","end":"06:21","startHours":5.32586220304453,"endHours":6.34397352872691,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:29","end":"15:18","startHours":14.488864134185949,"endHours":15.303353194731853,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:22","end":"18:46","startHours":18.36130943691547,"endHours":18.761309436915468,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:34","end":"19:04","startHours":18.56130943691547,"endHours":19.070365099756657,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:19","end":"20:04","startHours":18.31130943691547,"endHours":20.06130943691547,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:03","end":"00:52","startHours":24.045396952548238,"endHours":24.85988601309414,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:21","end":"07:52","startHours":6.34397352872691,"endHours":7.87114051725048,"quality":"auspicious"},{"name":"Roga","start":"07:52","end":"09:24","startHours":7.87114051725048,"endHours":9.39830750577405,"quality":"inauspicious"},{"name":"Udveg","start":"09:24","end":"10:56","startHours":9.39830750577405,"endHours":10.925474494297621,"quality":"inauspicious"},{"name":"Chala","start":"10:56","end":"12:27","startHours":10.925474494297621,"endHours":12.452641482821189,"quality":"neutral"},{"name":"Labha","start":"12:27","end":"13:59","startHours":12.452641482821189,"endHours":13.97980847134476,"quality":"auspicious"},{"name":"Amṛta","start":"13:59","end":"15:30","startHours":13.97980847134476,"endHours":15.506975459868329,"quality":"auspicious"},{"name":"Kāla","start":"15:30","end":"17:02","startHours":15.506975459868329,"endHours":17.0341424483919,"quality":"inauspicious"},{"name":"Śubha","start":"17:02","end":"18:34","startHours":17.0341424483919,"endHours":18.56130943691547,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:34","end":"20:02","startHours":18.56130943691547,"endHours":20.034142448391897,"quality":"auspicious"},{"name":"Kāla","start":"20:02","end":"21:30","startHours":20.034142448391897,"endHours":21.50697545986833,"quality":"inauspicious"},{"name":"Śubha","start":"21:30","end":"22:59","startHours":21.50697545986833,"endHours":22.97980847134476,"quality":"auspicious"},{"name":"Roga","start":"22:59","end":"00:27","startHours":22.97980847134476,"endHours":24.45264148282119,"quality":"inauspicious"},{"name":"Udveg","start":"00:27","end":"01:56","startHours":24.45264148282119,"endHours":25.925474494297617,"quality":"inauspicious"},{"name":"Chala","start":"01:56","end":"03:24","startHours":25.925474494297617,"endHours":27.39830750577405,"quality":"neutral"},{"name":"Labha","start":"03:24","end":"04:52","startHours":27.39830750577405,"endHours":28.87114051725048,"quality":"auspicious"},{"name":"Amṛta","start":"04:52","end":"06:21","startHours":28.87114051725048,"endHours":30.34397352872691,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:21","end":"07:21","startHours":6.34397352872691,"endHours":7.34397352872691,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:21","end":"08:21","startHours":7.34397352872691,"endHours":8.34397352872691,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:21","end":"09:21","startHours":8.34397352872691,"endHours":9.34397352872691,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:21","end":"10:21","startHours":9.34397352872691,"endHours":10.34397352872691,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:21","end":"11:21","startHours":10.34397352872691,"endHours":11.34397352872691,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:21","end":"12:21","startHours":11.34397352872691,"endHours":12.34397352872691,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:21","end":"13:21","startHours":12.34397352872691,"endHours":13.34397352872691,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:21","end":"14:21","startHours":13.34397352872691,"endHours":14.34397352872691,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:21","end":"15:21","startHours":14.34397352872691,"endHours":15.34397352872691,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:21","end":"16:21","startHours":15.34397352872691,"endHours":16.34397352872691,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:21","end":"17:21","startHours":16.34397352872691,"endHours":17.34397352872691,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:21","end":"18:21","startHours":17.34397352872691,"endHours":18.34397352872691,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:21","end":"19:21","startHours":18.34397352872691,"endHours":19.34397352872691,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:21","end":"20:21","startHours":19.34397352872691,"endHours":20.34397352872691,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:21","end":"21:21","startHours":20.34397352872691,"endHours":21.34397352872691,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:21","end":"22:21","startHours":21.34397352872691,"endHours":22.34397352872691,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:21","end":"23:21","startHours":22.34397352872691,"endHours":23.34397352872691,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:21","end":"00:21","startHours":23.34397352872691,"endHours":24.34397352872691,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:21","end":"01:21","startHours":24.34397352872691,"endHours":25.34397352872691,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:21","end":"02:21","startHours":25.34397352872691,"endHours":26.34397352872691,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:21","end":"03:21","startHours":26.34397352872691,"endHours":27.34397352872691,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:21","end":"04:21","startHours":27.34397352872691,"endHours":28.34397352872691,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:21","end":"05:21","startHours":28.34397352872691,"endHours":29.34397352872691,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:21","end":"06:21","startHours":29.34397352872691,"endHours":30.34397352872691,"planetary_lord":"Moon"}],"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":"South (Dakṣiṇa)","chandraVasa":"East","rahuVasa":"North-West","anandadiYoga":{"name":"Dhvaja","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":2.528363713432008,"eotMinutes":5.868311030728706,"ayanamsa":26.2796}},"calendars":{"vikram_samvat":2230,"vikram_samvatsara":"Vyaya","saka_samvat":2095,"saka_samvatsara":"Śrīmukha","bengali_samvat":1580,"malayalam_era":1349,"nanakshahi_year":704,"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 Navamī · Vikram 2230 Vyaya · Śaka 2095 Śrīmukha"},"festivals":[],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Śukla Navamī","url":"/day/-1626101-04-03","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 16, 2173 CE · Kolhāpur, Maharashtra · Vidhyamitra","description":"September 16, 2173 CE for Kolhāpur, Maharashtra: Śukla Navamī, sūryodaya 06:21, sūryāsta 18:34.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kolhapur/2173-09-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kolhapur/2173-09-16","sa":"https://sa.vidhyamitra.com/city/kolhapur/2173-09-16","hi":"https://hi.vidhyamitra.com/city/kolhapur/2173-09-16","x-default":"https://vidhyamitra.com/city/kolhapur/2173-09-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T11:38:45.936Z","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":"2026-05-31T11:38:45.936Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T11:38:45.936Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}