{"id":"vidhyamitra:city-day:kolhapur:1900-12-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kolhapur/1900-12-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1900-12-21","date_display":"December 21, 1900 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":1900,"month":12,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2415374.770833,"kali_year":5002,"ahargana":1826909.2708,"sun":{"sidereal_longitude":246.1822,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":233.9681,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":347.7859,"elapsed_within_tithi_degrees":11.7859},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3,"moon_longitude":233.9681,"elapsed_within_degrees":7.3015},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":120.1504},"karana":{"half_tithi_index":57,"name":"Śakuni"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":1900,"month":12,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2415374.770833,"ahargana":1826909.2708,"kali_year":5002,"ayanamsa_lahiri":22.4696,"grahas":{"sun":{"sidereal_longitude":246.27167900000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"moon":{"sidereal_longitude":234.98827900000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false,"latitude":0.9664},"mars":{"sidereal_longitude":138.36347899999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":230.23137900000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":242.49007900000004,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"venus":{"sidereal_longitude":216.08317899999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":255.12437899999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":221.5551,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":41.5551,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","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":1900,"month":12,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2415374.770833,"kali_year":5002,"ahargana":1826909.2708,"sun":{"sidereal_longitude":246.1822,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":233.9681,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":347.7859,"elapsed_within_tithi_degrees":11.7859},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3,"moon_longitude":233.9681,"elapsed_within_degrees":7.3015},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":120.1504},"karana":{"half_tithi_index":57,"name":"Śakuni"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.966,"elongation":12.214},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.966,"opposition_distance":167.786}},"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":"06:58","sunsetLocal":"18:06","solarNoonLocal":"12:32","dayLengthHours":11.130928209698327,"dayLengthDisplay":"11 Hours 07 Mins 51 Secs","nightLengthDisplay":"12 Hours 52 Mins 09 Secs","moonriseLocal":"06:13","moonsetLocal":"17:20","rahuKala":{"name":"Rāhu Kāla","start":"11:08","end":"12:32","startHours":11.136036817005337,"endHours":12.52740284321763,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:19","end":"16:42","startHours":15.31013489564221,"endHours":16.701500921854503,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:21","end":"09:45","startHours":8.353304764580756,"endHours":9.744670790793046,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:34","end":"09:56","startHours":9.559155320631408,"endHours":9.930186260954684,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:26","end":"07:43","startHours":7.425727413772562,"endHours":7.722552166031184,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:09","end":"12:54","startHours":12.156371902894351,"endHours":12.898433783540908,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:29","end":"06:13","startHours":5.477814977075354,"endHours":6.21987685772191,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:02","end":"06:58","startHours":6.034361387560271,"endHours":6.961938738368465,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:23","end":"15:07","startHours":14.382557544834016,"endHours":15.12461942548057,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:54","end":"18:18","startHours":17.892866948066793,"endHours":18.29286694806679,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:06","end":"18:33","startHours":18.092866948066792,"endHours":18.55665562347089,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:51","end":"19:36","startHours":17.842866948066792,"endHours":19.592866948066792,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:09","end":"00:54","startHours":24.156371902894353,"endHours":24.898433783540906,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:58","end":"08:21","startHours":6.961938738368465,"endHours":8.353304764580756,"quality":"neutral"},{"name":"Labha","start":"08:21","end":"09:45","startHours":8.353304764580756,"endHours":9.744670790793046,"quality":"auspicious"},{"name":"Amṛta","start":"09:45","end":"11:08","startHours":9.744670790793046,"endHours":11.136036817005337,"quality":"auspicious"},{"name":"Kāla","start":"11:08","end":"12:32","startHours":11.136036817005337,"endHours":12.52740284321763,"quality":"inauspicious"},{"name":"Śubha","start":"12:32","end":"13:55","startHours":12.52740284321763,"endHours":13.918768869429918,"quality":"auspicious"},{"name":"Roga","start":"13:55","end":"15:19","startHours":13.918768869429918,"endHours":15.31013489564221,"quality":"inauspicious"},{"name":"Udveg","start":"15:19","end":"16:42","startHours":15.31013489564221,"endHours":16.701500921854503,"quality":"inauspicious"},{"name":"Chala","start":"16:42","end":"18:06","startHours":16.701500921854503,"endHours":18.092866948066792,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:06","end":"19:42","startHours":18.092866948066792,"endHours":19.7015009218545,"quality":"inauspicious"},{"name":"Udveg","start":"19:42","end":"21:19","startHours":19.7015009218545,"endHours":21.31013489564221,"quality":"inauspicious"},{"name":"Chala","start":"21:19","end":"22:55","startHours":21.31013489564221,"endHours":22.91876886942992,"quality":"neutral"},{"name":"Labha","start":"22:55","end":"00:32","startHours":22.91876886942992,"endHours":24.52740284321763,"quality":"auspicious"},{"name":"Amṛta","start":"00:32","end":"02:08","startHours":24.52740284321763,"endHours":26.136036817005337,"quality":"auspicious"},{"name":"Kāla","start":"02:08","end":"03:45","startHours":26.136036817005337,"endHours":27.744670790793045,"quality":"inauspicious"},{"name":"Śubha","start":"03:45","end":"05:21","startHours":27.744670790793045,"endHours":29.353304764580756,"quality":"auspicious"},{"name":"Roga","start":"05:21","end":"06:58","startHours":29.353304764580756,"endHours":30.961938738368467,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:58","end":"07:58","startHours":6.961938738368465,"endHours":7.961938738368465,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:58","end":"08:58","startHours":7.961938738368465,"endHours":8.961938738368465,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:58","end":"09:58","startHours":8.961938738368465,"endHours":9.961938738368465,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:58","end":"10:58","startHours":9.961938738368465,"endHours":10.961938738368465,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:58","end":"11:58","startHours":10.961938738368465,"endHours":11.961938738368465,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:58","end":"12:58","startHours":11.961938738368465,"endHours":12.961938738368465,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:58","end":"13:58","startHours":12.961938738368465,"endHours":13.961938738368465,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:58","end":"14:58","startHours":13.961938738368465,"endHours":14.961938738368465,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:58","end":"15:58","startHours":14.961938738368465,"endHours":15.961938738368465,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:58","end":"16:58","startHours":15.961938738368465,"endHours":16.961938738368467,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:58","end":"17:58","startHours":16.961938738368467,"endHours":17.961938738368467,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:58","end":"18:58","startHours":17.961938738368467,"endHours":18.961938738368467,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:58","end":"19:58","startHours":18.961938738368467,"endHours":19.961938738368467,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:58","end":"20:58","startHours":19.961938738368467,"endHours":20.961938738368467,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:58","end":"21:58","startHours":20.961938738368467,"endHours":21.961938738368467,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:58","end":"22:58","startHours":21.961938738368467,"endHours":22.961938738368467,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:58","end":"23:58","startHours":22.961938738368467,"endHours":23.961938738368467,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:58","end":"00:58","startHours":23.961938738368467,"endHours":24.961938738368467,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:58","end":"01:58","startHours":24.961938738368467,"endHours":25.961938738368467,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:58","end":"02:58","startHours":25.961938738368467,"endHours":26.961938738368467,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:58","end":"03:58","startHours":26.961938738368467,"endHours":27.961938738368467,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:58","end":"04:58","startHours":27.961938738368467,"endHours":28.961938738368467,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:58","end":"05:58","startHours":28.961938738368467,"endHours":29.961938738368467,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:58","end":"06:58","startHours":29.961938738368467,"endHours":30.961938738368467,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"North-East","rahuVasa":"South-East","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.430506737512236,"eotMinutes":1.382629406942221,"ayanamsa":22.4696}},"calendars":{"vikram_samvat":1957,"vikram_samvatsara":"Pramādī","saka_samvat":1822,"saka_samvatsara":"Śārvarī","bengali_samvat":1307,"malayalam_era":1076,"nanakshahi_year":431,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","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":"Pauṣa Kṛṣṇa Caturdaśī · Vikram 1957 Pramādī · Śaka 1822 Śārvarī"},"festivals":[{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Jyeṣṭhā","url":"/day/-3137-10-20","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 December 21, 1900 CE · Kolhāpur, Maharashtra · Vidhyamitra","description":"December 21, 1900 CE for Kolhāpur, Maharashtra: Kṛṣṇa Caturdaśī, sūryodaya 06:58, sūryāsta 18:06.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kolhapur/1900-12-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kolhapur/1900-12-21","sa":"https://sa.vidhyamitra.com/city/kolhapur/1900-12-21","hi":"https://hi.vidhyamitra.com/city/kolhapur/1900-12-21","x-default":"https://vidhyamitra.com/city/kolhapur/1900-12-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T19:47:27.168Z","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":"2026-05-31T19:47:27.168Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T19:47:27.168Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}