{"id":"vidhyamitra:city-day:kolhapur:2186-12-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kolhapur/2186-12-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2186-12-17","date_display":"December 17, 2186 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":2186,"month":12,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2519830.770833,"kali_year":5288,"ahargana":1931365.2708,"sun":{"sidereal_longitude":237.9649,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":308.8878,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":70.9229,"elapsed_within_tithi_degrees":10.9229},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1,"moon_longitude":308.8878,"elapsed_within_degrees":2.2212},"yoga":{"number":15,"name":"Vajra","sum_longitude":186.8528},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":2186,"month":12,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2519830.770833,"ahargana":1931365.2708,"kali_year":5288,"ayanamsa_lahiri":26.4647,"grahas":{"sun":{"sidereal_longitude":238.800792,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":305.873192,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false,"latitude":-3.0044},"mars":{"sidereal_longitude":151.880292,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":251.70579199999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":270.90299200000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":191.75609199999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":162.11859200000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":86.9736,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":266.9736,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"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":2186,"month":12,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2519830.770833,"kali_year":5288,"ahargana":1931365.2708,"sun":{"sidereal_longitude":237.9649,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":308.8878,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":70.9229,"elapsed_within_tithi_degrees":10.9229},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1,"moon_longitude":308.8878,"elapsed_within_degrees":2.2212},"yoga":{"number":15,"name":"Vajra","sum_longitude":186.8528},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.004,"elongation":70.923},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.004,"opposition_distance":109.077}},"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":"06:56","sunsetLocal":"18:04","solarNoonLocal":"12:30","dayLengthHours":11.134616582464659,"dayLengthDisplay":"11 Hours 08 Mins 05 Secs","nightLengthDisplay":"12 Hours 51 Mins 55 Secs","moonriseLocal":"11:09","moonsetLocal":"22:48","rahuKala":{"name":"Rāhu Kāla","start":"16:40","end":"18:04","startHours":16.67170507047244,"endHours":18.063532143280522,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:30","end":"13:53","startHours":12.496223852048193,"endHours":13.888050924856277,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:17","end":"16:40","startHours":15.279877997664357,"endHours":16.67170507047244,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:32","end":"09:54","startHours":9.52699276339095,"endHours":9.898146649473107,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:24","end":"07:41","startHours":7.392857918418558,"endHours":7.689781027284282,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:08","end":"12:52","startHours":12.125069965966038,"endHours":12.867377738130347,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:27","end":"06:11","startHours":5.444300016487243,"endHours":6.186607788651553,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:00","end":"06:56","startHours":6.001030845610476,"endHours":6.928915560815864,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:21","end":"15:06","startHours":14.35199328245897,"endHours":15.094301054623282,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:52","end":"18:16","startHours":17.863532143280523,"endHours":18.26353214328052,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:04","end":"18:32","startHours":18.063532143280522,"endHours":18.527474500883216,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:49","end":"19:34","startHours":17.813532143280522,"endHours":19.563532143280522,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:08","end":"00:52","startHours":24.125069965966038,"endHours":24.867377738130347,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:56","end":"08:19","startHours":6.928915560815864,"endHours":8.320742633623947,"quality":"inauspicious"},{"name":"Chala","start":"08:19","end":"09:43","startHours":8.320742633623947,"endHours":9.712569706432028,"quality":"neutral"},{"name":"Labha","start":"09:43","end":"11:06","startHours":9.712569706432028,"endHours":11.104396779240112,"quality":"auspicious"},{"name":"Amṛta","start":"11:06","end":"12:30","startHours":11.104396779240112,"endHours":12.496223852048193,"quality":"auspicious"},{"name":"Kāla","start":"12:30","end":"13:53","startHours":12.496223852048193,"endHours":13.888050924856277,"quality":"inauspicious"},{"name":"Śubha","start":"13:53","end":"15:17","startHours":13.888050924856277,"endHours":15.279877997664357,"quality":"auspicious"},{"name":"Roga","start":"15:17","end":"16:40","startHours":15.279877997664357,"endHours":16.67170507047244,"quality":"inauspicious"},{"name":"Udveg","start":"16:40","end":"18:04","startHours":16.67170507047244,"endHours":18.063532143280522,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:04","end":"19:40","startHours":18.063532143280522,"endHours":19.67170507047244,"quality":"auspicious"},{"name":"Roga","start":"19:40","end":"21:17","startHours":19.67170507047244,"endHours":21.279877997664357,"quality":"inauspicious"},{"name":"Udveg","start":"21:17","end":"22:53","startHours":21.279877997664357,"endHours":22.888050924856273,"quality":"inauspicious"},{"name":"Chala","start":"22:53","end":"00:30","startHours":22.888050924856273,"endHours":24.496223852048193,"quality":"neutral"},{"name":"Labha","start":"00:30","end":"02:06","startHours":24.496223852048193,"endHours":26.104396779240112,"quality":"auspicious"},{"name":"Amṛta","start":"02:06","end":"03:43","startHours":26.104396779240112,"endHours":27.712569706432028,"quality":"auspicious"},{"name":"Kāla","start":"03:43","end":"05:19","startHours":27.712569706432028,"endHours":29.320742633623944,"quality":"inauspicious"},{"name":"Śubha","start":"05:19","end":"06:56","startHours":29.320742633623944,"endHours":30.928915560815863,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:56","end":"07:56","startHours":6.928915560815864,"endHours":7.928915560815864,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:56","end":"08:56","startHours":7.928915560815864,"endHours":8.928915560815863,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:56","end":"09:56","startHours":8.928915560815863,"endHours":9.928915560815863,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:56","end":"10:56","startHours":9.928915560815863,"endHours":10.928915560815863,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:56","end":"11:56","startHours":10.928915560815863,"endHours":11.928915560815863,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:56","end":"12:56","startHours":11.928915560815863,"endHours":12.928915560815863,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:56","end":"13:56","startHours":12.928915560815863,"endHours":13.928915560815863,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:56","end":"14:56","startHours":13.928915560815863,"endHours":14.928915560815863,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:56","end":"15:56","startHours":14.928915560815863,"endHours":15.928915560815863,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:56","end":"16:56","startHours":15.928915560815863,"endHours":16.928915560815863,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:56","end":"17:56","startHours":16.928915560815863,"endHours":17.928915560815863,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:56","end":"18:56","startHours":17.928915560815863,"endHours":18.928915560815863,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:56","end":"19:56","startHours":18.928915560815863,"endHours":19.928915560815863,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:56","end":"20:56","startHours":19.928915560815863,"endHours":20.928915560815863,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:56","end":"21:56","startHours":20.928915560815863,"endHours":21.928915560815863,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:56","end":"22:56","startHours":21.928915560815863,"endHours":22.928915560815863,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:56","end":"23:56","startHours":22.928915560815863,"endHours":23.928915560815863,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:56","end":"00:56","startHours":23.928915560815863,"endHours":24.928915560815863,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:56","end":"01:56","startHours":24.928915560815863,"endHours":25.928915560815863,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:56","end":"02:56","startHours":25.928915560815863,"endHours":26.928915560815863,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:56","end":"03:56","startHours":26.928915560815863,"endHours":27.928915560815863,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:56","end":"04:56","startHours":27.928915560815863,"endHours":28.928915560815863,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:56","end":"05:56","startHours":28.928915560815863,"endHours":29.928915560815863,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:56","end":"06:56","startHours":29.928915560815863,"endHours":30.928915560815863,"planetary_lord":"Jupiter"}],"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":"West (Paścim)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.351778190885945,"eotMinutes":3.253368877108411,"ayanamsa":26.4647}},"calendars":{"vikram_samvat":2243,"vikram_samvatsara":"Vikāri","saka_samvat":2108,"saka_samvatsara":"Vyaya","bengali_samvat":1593,"malayalam_era":1362,"nanakshahi_year":717,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Mārgaśīrṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Ṣaṣṭhī · Vikram 2243 Vikāri · Śaka 2108 Vyaya"},"festivals":[{"id":"skanda-shashthi","name":"Skanda Ṣaṣṭhī","name_sanskrit":"स्कन्द षष्ठी","tradition":"Shaiva","associated_deity":"Kārttikeya / Skanda / Murugan","significance":"Kārttikeya's victory over Tāraka. Important Shaiva day in Tamil tradition.","vrata":true,"detection":{"tithi_number":6,"tithi_paksha":"Śukla","lunar_month":"Mārgaśīrṣa"},"precedence":3}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 December 17, 2186 CE · Kolhāpur, Maharashtra · Vidhyamitra","description":"December 17, 2186 CE for Kolhāpur, Maharashtra: Śukla Ṣaṣṭhī, sūryodaya 06:56, sūryāsta 18:04.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kolhapur/2186-12-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kolhapur/2186-12-17","sa":"https://sa.vidhyamitra.com/city/kolhapur/2186-12-17","hi":"https://hi.vidhyamitra.com/city/kolhapur/2186-12-17","x-default":"https://vidhyamitra.com/city/kolhapur/2186-12-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-30T23:25:15.127Z","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":"2026-05-30T23:25:15.127Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-30T23:25:15.127Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}