{"id":"vidhyamitra:city-day:kolhapur:2010-12-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kolhapur/2010-12-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2010-12-18","date_display":"December 18, 2010 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":2010,"month":12,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455548.770833,"kali_year":5112,"ahargana":1867083.2708,"sun":{"sidereal_longitude":241.5987,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":20.8683,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":139.2697,"elapsed_within_tithi_degrees":7.2697},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3,"moon_longitude":20.8683,"elapsed_within_degrees":7.535},"yoga":{"number":20,"name":"Śiva","sum_longitude":262.467},"karana":{"half_tithi_index":23,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":2010,"month":12,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455548.770833,"ahargana":1867083.2708,"kali_year":5112,"ayanamsa_lahiri":24.0061,"grahas":{"sun":{"sidereal_longitude":241.986537,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"moon":{"sidereal_longitude":21.659937000000014,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false,"latitude":3.5483},"mars":{"sidereal_longitude":253.48853699999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":246.641837,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":330.996537,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":196.98823700000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":171.62663700000007,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":252.9433,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":72.9433,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","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":2010,"month":12,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455548.770833,"kali_year":5112,"ahargana":1867083.2708,"sun":{"sidereal_longitude":241.5987,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":20.8683,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":139.2697,"elapsed_within_tithi_degrees":7.2697},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3,"moon_longitude":20.8683,"elapsed_within_degrees":7.535},"yoga":{"number":20,"name":"Śiva","sum_longitude":262.467},"karana":{"half_tithi_index":23,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.548,"elongation":139.27},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.548,"opposition_distance":40.73}},"eclipse_window_40days":[{"offset_days":17,"type":"solar","occurs":true,"moon_latitude":0.37,"elongation":2.307}]},"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":11.133492187171422,"dayLengthDisplay":"11 Hours 08 Mins 01 Secs","nightLengthDisplay":"12 Hours 51 Mins 59 Secs","moonriseLocal":"15:26","moonsetLocal":"04:12","rahuKala":{"name":"Rāhu Kāla","start":"09:43","end":"11:07","startHours":9.72061149740479,"endHours":11.112298020801218,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:54","end":"15:17","startHours":13.895671067594073,"endHours":15.287357590990501,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:56","end":"08:20","startHours":6.937238450611934,"endHours":8.328924974008363,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:32","end":"09:54","startHours":9.535053294285266,"endHours":9.906169700524313,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:24","end":"07:42","startHours":7.401133958410743,"endHours":7.698027083401981,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:08","end":"12:53","startHours":12.1328681379586,"endHours":12.875100950436693,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:27","end":"06:12","startHours":5.452772825655744,"endHours":6.195005638133839,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:01","end":"06:56","startHours":6.009447435014316,"endHours":6.937238450611934,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:22","end":"15:06","startHours":14.359566575392883,"endHours":15.101799387870978,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:52","end":"18:16","startHours":17.870730637783357,"endHours":18.270730637783355,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:04","end":"18:32","startHours":18.070730637783356,"endHours":18.534626145582166,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:49","end":"19:34","startHours":17.820730637783356,"endHours":19.570730637783356,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:08","end":"00:53","startHours":24.1328681379586,"endHours":24.875100950436693,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:56","end":"08:20","startHours":6.937238450611934,"endHours":8.328924974008363,"quality":"inauspicious"},{"name":"Śubha","start":"08:20","end":"09:43","startHours":8.328924974008363,"endHours":9.72061149740479,"quality":"auspicious"},{"name":"Roga","start":"09:43","end":"11:07","startHours":9.72061149740479,"endHours":11.112298020801218,"quality":"inauspicious"},{"name":"Udveg","start":"11:07","end":"12:30","startHours":11.112298020801218,"endHours":12.503984544197646,"quality":"inauspicious"},{"name":"Chala","start":"12:30","end":"13:54","startHours":12.503984544197646,"endHours":13.895671067594073,"quality":"neutral"},{"name":"Labha","start":"13:54","end":"15:17","startHours":13.895671067594073,"endHours":15.287357590990501,"quality":"auspicious"},{"name":"Amṛta","start":"15:17","end":"16:41","startHours":15.287357590990501,"endHours":16.679044114386926,"quality":"auspicious"},{"name":"Kāla","start":"16:41","end":"18:04","startHours":16.679044114386926,"endHours":18.070730637783356,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:04","end":"19:41","startHours":18.070730637783356,"endHours":19.67904411438693,"quality":"auspicious"},{"name":"Amṛta","start":"19:41","end":"21:17","startHours":19.67904411438693,"endHours":21.2873575909905,"quality":"auspicious"},{"name":"Kāla","start":"21:17","end":"22:54","startHours":21.2873575909905,"endHours":22.895671067594073,"quality":"inauspicious"},{"name":"Śubha","start":"22:54","end":"00:30","startHours":22.895671067594073,"endHours":24.503984544197646,"quality":"auspicious"},{"name":"Roga","start":"00:30","end":"02:07","startHours":24.503984544197646,"endHours":26.11229802080122,"quality":"inauspicious"},{"name":"Udveg","start":"02:07","end":"03:43","startHours":26.11229802080122,"endHours":27.72061149740479,"quality":"inauspicious"},{"name":"Chala","start":"03:43","end":"05:20","startHours":27.72061149740479,"endHours":29.328924974008363,"quality":"neutral"},{"name":"Labha","start":"05:20","end":"06:56","startHours":29.328924974008363,"endHours":30.937238450611936,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:56","end":"07:56","startHours":6.937238450611934,"endHours":7.937238450611934,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:56","end":"08:56","startHours":7.937238450611934,"endHours":8.937238450611934,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:56","end":"09:56","startHours":8.937238450611934,"endHours":9.937238450611934,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:56","end":"10:56","startHours":9.937238450611934,"endHours":10.937238450611934,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:56","end":"11:56","startHours":10.937238450611934,"endHours":11.937238450611934,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:56","end":"12:56","startHours":11.937238450611934,"endHours":12.937238450611934,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:56","end":"13:56","startHours":12.937238450611934,"endHours":13.937238450611934,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:56","end":"14:56","startHours":13.937238450611934,"endHours":14.937238450611934,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:56","end":"15:56","startHours":14.937238450611934,"endHours":15.937238450611934,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:56","end":"16:56","startHours":15.937238450611934,"endHours":16.937238450611936,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:56","end":"17:56","startHours":16.937238450611936,"endHours":17.937238450611936,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:56","end":"18:56","startHours":17.937238450611936,"endHours":18.937238450611936,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:56","end":"19:56","startHours":18.937238450611936,"endHours":19.937238450611936,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:56","end":"20:56","startHours":19.937238450611936,"endHours":20.937238450611936,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:56","end":"21:56","startHours":20.937238450611936,"endHours":21.937238450611936,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:56","end":"22:56","startHours":21.937238450611936,"endHours":22.937238450611936,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:56","end":"23:56","startHours":22.937238450611936,"endHours":23.937238450611936,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:56","end":"00:56","startHours":23.937238450611936,"endHours":24.937238450611936,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:56","end":"01:56","startHours":24.937238450611936,"endHours":25.937238450611936,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:56","end":"02:56","startHours":25.937238450611936,"endHours":26.937238450611936,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:56","end":"03:56","startHours":26.937238450611936,"endHours":27.937238450611936,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:56","end":"04:56","startHours":27.937238450611936,"endHours":28.937238450611936,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:56","end":"05:56","startHours":28.937238450611936,"endHours":29.937238450611936,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:56","end":"06:56","startHours":29.937238450611936,"endHours":30.937238450611936,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"East","anandadiYoga":{"name":"Cara","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.3757883098329,"eotMinutes":2.787727348141232,"ayanamsa":24.0061}},"calendars":{"vikram_samvat":2067,"vikram_samvatsara":"Śobhana","saka_samvat":1932,"saka_samvatsara":"Vikṛti","bengali_samvat":1417,"malayalam_era":1186,"nanakshahi_year":541,"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":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Dvādaśī · Vikram 2067 Śobhana · Śaka 1932 Vikṛti"},"festivals":[],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 18, 2010 CE · Kolhāpur, Maharashtra · Vidhyamitra","description":"December 18, 2010 CE for Kolhāpur, Maharashtra: Śukla Dvādaśī, sūryodaya 06:56, sūryāsta 18:04.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kolhapur/2010-12-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kolhapur/2010-12-18","sa":"https://sa.vidhyamitra.com/city/kolhapur/2010-12-18","hi":"https://hi.vidhyamitra.com/city/kolhapur/2010-12-18","x-default":"https://vidhyamitra.com/city/kolhapur/2010-12-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T07:33:23.473Z","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":"2026-06-02T07:33:23.473Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T07:33:23.473Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}