{"id":"vidhyamitra:city-day:kolhapur:1983-02-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kolhapur/1983-02-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1983-02-01","date_display":"February 1, 1983 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":1983,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445366.770833,"kali_year":5084,"ahargana":1856901.2708,"sun":{"sidereal_longitude":288.044,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":149.3146,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":221.2706,"elapsed_within_tithi_degrees":5.2706},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1,"moon_longitude":149.3146,"elapsed_within_degrees":2.6479},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":77.3587},"karana":{"half_tithi_index":36,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":1983,"month":2,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2445366.770833,"ahargana":1856901.2708,"kali_year":5084,"ayanamsa_lahiri":23.6167,"grahas":{"sun":{"sidereal_longitude":287.98836400000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"moon":{"sidereal_longitude":151.23796400000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false,"latitude":4.3823},"mars":{"sidereal_longitude":317.983964,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":264.20156399999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":223.706364,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":309.517464,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":190.386664,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":72.4346,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":252.4346,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"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":1983,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445366.770833,"kali_year":5084,"ahargana":1856901.2708,"sun":{"sidereal_longitude":288.044,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":149.3146,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":221.2706,"elapsed_within_tithi_degrees":5.2706},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1,"moon_longitude":149.3146,"elapsed_within_degrees":2.6479},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":77.3587},"karana":{"half_tithi_index":36,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.382,"elongation":138.729},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.382,"opposition_distance":41.271}},"eclipse_window_40days":[{"offset_days":-18,"type":"solar","occurs":true,"moon_latitude":-1.179,"elongation":1.007}]},"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":"07:05","sunsetLocal":"18:29","solarNoonLocal":"12:47","dayLengthHours":11.406702244809996,"dayLengthDisplay":"11 Hours 24 Mins 24 Secs","nightLengthDisplay":"12 Hours 35 Mins 36 Secs","moonriseLocal":"21:35","moonsetLocal":"09:45","rahuKala":{"name":"Rāhu Kāla","start":"15:38","end":"17:03","startHours":15.63027802982576,"endHours":17.05611581042701,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:56","end":"11:21","startHours":9.92692690742076,"endHours":11.35276468802201,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:47","end":"14:12","startHours":12.778602468623259,"endHours":14.204440249224508,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:44","end":"10:07","startHours":9.736815203340594,"endHours":10.117038611500927,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:33","end":"07:51","startHours":7.550530606418678,"endHours":7.854709332946944,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:24","end":"13:10","startHours":12.398379060462927,"endHours":13.158825876783594,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:33","end":"06:19","startHours":5.554357713576929,"endHours":6.314804529897596,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:07","end":"07:05","startHours":6.124692825817429,"endHours":7.075251346218262,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:41","end":"15:26","startHours":14.679719509424924,"endHours":15.44016632574559,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:17","end":"18:41","startHours":18.28195359102826,"endHours":18.681953591028257,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:29","end":"18:57","startHours":18.481953591028258,"endHours":18.957232851228675,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:14","end":"19:59","startHours":18.231953591028258,"endHours":19.981953591028258,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:24","end":"01:10","startHours":24.39837906046293,"endHours":25.158825876783595,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"07:05","end":"08:30","startHours":7.075251346218262,"endHours":8.501089126819512,"quality":"inauspicious"},{"name":"Udveg","start":"08:30","end":"09:56","startHours":8.501089126819512,"endHours":9.92692690742076,"quality":"inauspicious"},{"name":"Chala","start":"09:56","end":"11:21","startHours":9.92692690742076,"endHours":11.35276468802201,"quality":"neutral"},{"name":"Labha","start":"11:21","end":"12:47","startHours":11.35276468802201,"endHours":12.778602468623259,"quality":"auspicious"},{"name":"Amṛta","start":"12:47","end":"14:12","startHours":12.778602468623259,"endHours":14.204440249224508,"quality":"auspicious"},{"name":"Kāla","start":"14:12","end":"15:38","startHours":14.204440249224508,"endHours":15.63027802982576,"quality":"inauspicious"},{"name":"Śubha","start":"15:38","end":"17:03","startHours":15.63027802982576,"endHours":17.05611581042701,"quality":"auspicious"},{"name":"Roga","start":"17:03","end":"18:29","startHours":17.05611581042701,"endHours":18.481953591028258,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:29","end":"20:03","startHours":18.481953591028258,"endHours":20.05611581042701,"quality":"inauspicious"},{"name":"Śubha","start":"20:03","end":"21:38","startHours":20.05611581042701,"endHours":21.63027802982576,"quality":"auspicious"},{"name":"Roga","start":"21:38","end":"23:12","startHours":21.63027802982576,"endHours":23.20444024922451,"quality":"inauspicious"},{"name":"Udveg","start":"23:12","end":"00:47","startHours":23.20444024922451,"endHours":24.778602468623262,"quality":"inauspicious"},{"name":"Chala","start":"00:47","end":"02:21","startHours":24.778602468623262,"endHours":26.352764688022013,"quality":"neutral"},{"name":"Labha","start":"02:21","end":"03:56","startHours":26.352764688022013,"endHours":27.92692690742076,"quality":"auspicious"},{"name":"Amṛta","start":"03:56","end":"05:30","startHours":27.92692690742076,"endHours":29.50108912681951,"quality":"auspicious"},{"name":"Kāla","start":"05:30","end":"07:05","startHours":29.50108912681951,"endHours":31.075251346218263,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:05","end":"08:05","startHours":7.075251346218262,"endHours":8.075251346218263,"planetary_lord":"Mars"},{"name":"Hora 2","start":"08:05","end":"09:05","startHours":8.075251346218263,"endHours":9.075251346218263,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"09:05","end":"10:05","startHours":9.075251346218263,"endHours":10.075251346218263,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"10:05","end":"11:05","startHours":10.075251346218263,"endHours":11.075251346218263,"planetary_lord":"Moon"},{"name":"Hora 5","start":"11:05","end":"12:05","startHours":11.075251346218263,"endHours":12.075251346218263,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"12:05","end":"13:05","startHours":12.075251346218263,"endHours":13.075251346218263,"planetary_lord":"Venus"},{"name":"Hora 7","start":"13:05","end":"14:05","startHours":13.075251346218263,"endHours":14.075251346218263,"planetary_lord":"Sun"},{"name":"Hora 8","start":"14:05","end":"15:05","startHours":14.075251346218263,"endHours":15.075251346218263,"planetary_lord":"Mars"},{"name":"Hora 9","start":"15:05","end":"16:05","startHours":15.075251346218263,"endHours":16.075251346218263,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"16:05","end":"17:05","startHours":16.075251346218263,"endHours":17.075251346218263,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"17:05","end":"18:05","startHours":17.075251346218263,"endHours":18.075251346218263,"planetary_lord":"Moon"},{"name":"Hora 12","start":"18:05","end":"19:05","startHours":18.075251346218263,"endHours":19.075251346218263,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"19:05","end":"20:05","startHours":19.075251346218263,"endHours":20.075251346218263,"planetary_lord":"Venus"},{"name":"Hora 14","start":"20:05","end":"21:05","startHours":20.075251346218263,"endHours":21.075251346218263,"planetary_lord":"Sun"},{"name":"Hora 15","start":"21:05","end":"22:05","startHours":21.075251346218263,"endHours":22.075251346218263,"planetary_lord":"Mars"},{"name":"Hora 16","start":"22:05","end":"23:05","startHours":22.075251346218263,"endHours":23.075251346218263,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"23:05","end":"00:05","startHours":23.075251346218263,"endHours":24.075251346218263,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"00:05","end":"01:05","startHours":24.075251346218263,"endHours":25.075251346218263,"planetary_lord":"Moon"},{"name":"Hora 19","start":"01:05","end":"02:05","startHours":25.075251346218263,"endHours":26.075251346218263,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"02:05","end":"03:05","startHours":26.075251346218263,"endHours":27.075251346218263,"planetary_lord":"Venus"},{"name":"Hora 21","start":"03:05","end":"04:05","startHours":27.075251346218263,"endHours":28.075251346218263,"planetary_lord":"Sun"},{"name":"Hora 22","start":"04:05","end":"05:05","startHours":28.075251346218263,"endHours":29.075251346218263,"planetary_lord":"Mars"},{"name":"Hora 23","start":"05:05","end":"06:05","startHours":29.075251346218263,"endHours":30.075251346218263,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"06:05","end":"07:05","startHours":30.075251346218263,"endHours":31.075251346218263,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"North-West","rahuVasa":"North","anandadiYoga":{"name":"Śubha","quality":"Auspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-17.301521921479917,"eotMinutes":-13.689348117395623,"ayanamsa":23.6167}},"calendars":{"vikram_samvat":2040,"vikram_samvatsara":"Dhātṛ","saka_samvat":1905,"saka_samvatsara":"Rudhirodgāri","bengali_samvat":1390,"malayalam_era":1159,"nanakshahi_year":514,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Caturthī · Vikram 2040 Dhātṛ · Śaka 1905 Rudhirodgāri"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2},{"id":"angarika-chaturthi","name":"Aṅgāraka Caturthī (Tuesday Caturthī)","name_sanskrit":"अङ्गारक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa + Maṅgala","significance":"Tuesday-Caturthī (rare); supremely auspicious for Maṅgala-doṣa-nivāraṇa.","vrata":true,"detection":{"any_of":[{"tithi_number":4,"vara_name":"Maṅgalavāra (Tuesday)"},{"tithi_number":19,"vara_name":"Maṅgalavāra (Tuesday)"}]},"precedence":3},{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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 February 1, 1983 CE · Kolhāpur, Maharashtra · Vidhyamitra","description":"February 1, 1983 CE for Kolhāpur, Maharashtra: Kṛṣṇa Caturthī, sūryodaya 07:05, sūryāsta 18:29.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kolhapur/1983-02-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kolhapur/1983-02-01","sa":"https://sa.vidhyamitra.com/city/kolhapur/1983-02-01","hi":"https://hi.vidhyamitra.com/city/kolhapur/1983-02-01","x-default":"https://vidhyamitra.com/city/kolhapur/1983-02-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T03:16:58.826Z","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":"2026-05-18T03:16:58.826Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-18T03:16:58.826Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}