{"id":"vidhyamitra:city-day:kolhapur:1983-04-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kolhapur/1983-04-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1983-04-18","date_display":"April 18, 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":4,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445442.770833,"kali_year":5085,"ahargana":1856977.2708,"sun":{"sidereal_longitude":3.9942,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":63.3269,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":59.3327,"elapsed_within_tithi_degrees":11.3327},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":3,"moon_longitude":63.3269,"elapsed_within_degrees":9.9935},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":67.321},"karana":{"half_tithi_index":9,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":4,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2445442.770833,"ahargana":1856977.2708,"kali_year":5085,"ayanamsa_lahiri":23.6196,"grahas":{"sun":{"sidereal_longitude":3.83596,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":63.28805999999997,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false,"latitude":-0.3981},"mars":{"sidereal_longitude":15.81135999999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":23.586659999999995,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":227.38076,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":42.00225999999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":187.50185999999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":68.4078,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":248.4078,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"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":4,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445442.770833,"kali_year":5085,"ahargana":1856977.2708,"sun":{"sidereal_longitude":3.9942,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":63.3269,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":59.3327,"elapsed_within_tithi_degrees":11.3327},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":3,"moon_longitude":63.3269,"elapsed_within_degrees":9.9935},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":67.321},"karana":{"half_tithi_index":9,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.398,"elongation":59.333},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.398,"opposition_distance":120.667}},"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":"06:16","sunsetLocal":"18:49","solarNoonLocal":"12:33","dayLengthHours":12.546100570887159,"dayLengthDisplay":"12 Hours 32 Mins 46 Secs","nightLengthDisplay":"11 Hours 27 Mins 14 Secs","moonriseLocal":"09:58","moonsetLocal":"23:03","rahuKala":{"name":"Rāhu Kāla","start":"07:50","end":"09:24","startHours":7.837227570985926,"endHours":9.405490142346821,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:58","end":"12:33","startHours":10.973752713707714,"endHours":12.542015285068612,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:07","end":"15:41","startHours":14.110277856429505,"endHours":15.678540427790399,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:12","end":"09:37","startHours":9.196388466165368,"endHours":9.614591818528273,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:48","end":"07:08","startHours":6.791719190078663,"endHours":7.126281871968986,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:07","end":"12:58","startHours":12.123811932705705,"endHours":12.960218637431515,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:36","end":"05:26","startHours":4.59615159017341,"endHours":5.432558294899221,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:13","end":"06:16","startHours":5.223456618717768,"endHours":6.268964999625031,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:38","end":"15:28","startHours":14.633032046883137,"endHours":15.469438751608948,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:37","end":"19:01","startHours":18.61506557051219,"endHours":19.01506557051219,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:49","end":"19:20","startHours":18.81506557051219,"endHours":19.33781976096582,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:34","end":"20:19","startHours":18.56506557051219,"endHours":20.31506557051219,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:07","end":"00:58","startHours":24.123811932705703,"endHours":24.960218637431513,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:16","end":"07:50","startHours":6.268964999625031,"endHours":7.837227570985926,"quality":"auspicious"},{"name":"Kāla","start":"07:50","end":"09:24","startHours":7.837227570985926,"endHours":9.405490142346821,"quality":"inauspicious"},{"name":"Śubha","start":"09:24","end":"10:58","startHours":9.405490142346821,"endHours":10.973752713707714,"quality":"auspicious"},{"name":"Roga","start":"10:58","end":"12:33","startHours":10.973752713707714,"endHours":12.542015285068612,"quality":"inauspicious"},{"name":"Udveg","start":"12:33","end":"14:07","startHours":12.542015285068612,"endHours":14.110277856429505,"quality":"inauspicious"},{"name":"Chala","start":"14:07","end":"15:41","startHours":14.110277856429505,"endHours":15.678540427790399,"quality":"neutral"},{"name":"Labha","start":"15:41","end":"17:15","startHours":15.678540427790399,"endHours":17.246802999151296,"quality":"auspicious"},{"name":"Amṛta","start":"17:15","end":"18:49","startHours":17.246802999151296,"endHours":18.81506557051219,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:49","end":"20:15","startHours":18.81506557051219,"endHours":20.246802999151296,"quality":"neutral"},{"name":"Labha","start":"20:15","end":"21:41","startHours":20.246802999151296,"endHours":21.6785404277904,"quality":"auspicious"},{"name":"Amṛta","start":"21:41","end":"23:07","startHours":21.6785404277904,"endHours":23.110277856429505,"quality":"auspicious"},{"name":"Kāla","start":"23:07","end":"00:33","startHours":23.110277856429505,"endHours":24.542015285068608,"quality":"inauspicious"},{"name":"Śubha","start":"00:33","end":"01:58","startHours":24.542015285068608,"endHours":25.973752713707714,"quality":"auspicious"},{"name":"Roga","start":"01:58","end":"03:24","startHours":25.973752713707714,"endHours":27.40549014234682,"quality":"inauspicious"},{"name":"Udveg","start":"03:24","end":"04:50","startHours":27.40549014234682,"endHours":28.837227570985924,"quality":"inauspicious"},{"name":"Chala","start":"04:50","end":"06:16","startHours":28.837227570985924,"endHours":30.26896499962503,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:16","end":"07:16","startHours":6.268964999625031,"endHours":7.268964999625031,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:16","end":"08:16","startHours":7.268964999625031,"endHours":8.26896499962503,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:16","end":"09:16","startHours":8.26896499962503,"endHours":9.26896499962503,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:16","end":"10:16","startHours":9.26896499962503,"endHours":10.26896499962503,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:16","end":"11:16","startHours":10.26896499962503,"endHours":11.26896499962503,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:16","end":"12:16","startHours":11.26896499962503,"endHours":12.26896499962503,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:16","end":"13:16","startHours":12.26896499962503,"endHours":13.26896499962503,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:16","end":"14:16","startHours":13.26896499962503,"endHours":14.26896499962503,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:16","end":"15:16","startHours":14.26896499962503,"endHours":15.26896499962503,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:16","end":"16:16","startHours":15.26896499962503,"endHours":16.26896499962503,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:16","end":"17:16","startHours":16.26896499962503,"endHours":17.26896499962503,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:16","end":"18:16","startHours":17.26896499962503,"endHours":18.26896499962503,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:16","end":"19:16","startHours":18.26896499962503,"endHours":19.26896499962503,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:16","end":"20:16","startHours":19.26896499962503,"endHours":20.26896499962503,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:16","end":"21:16","startHours":20.26896499962503,"endHours":21.26896499962503,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:16","end":"22:16","startHours":21.26896499962503,"endHours":22.26896499962503,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:16","end":"23:16","startHours":22.26896499962503,"endHours":23.26896499962503,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:16","end":"00:16","startHours":23.26896499962503,"endHours":24.26896499962503,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:16","end":"01:16","startHours":24.26896499962503,"endHours":25.26896499962503,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:16","end":"02:16","startHours":25.26896499962503,"endHours":26.26896499962503,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:16","end":"03:16","startHours":26.26896499962503,"endHours":27.26896499962503,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:16","end":"04:16","startHours":27.26896499962503,"endHours":28.26896499962503,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:16","end":"05:16","startHours":28.26896499962503,"endHours":29.26896499962503,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:16","end":"06:16","startHours":29.26896499962503,"endHours":30.26896499962503,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":10.566623036732544,"eotMinutes":0.5058828958834352,"ayanamsa":23.6196}},"calendars":{"vikram_samvat":2040,"vikram_samvatsara":"Dhātṛ","saka_samvat":1905,"saka_samvatsara":"Rudhirodgāri","bengali_samvat":1390,"malayalam_era":1159,"nanakshahi_year":514,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Caitra","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Pañcamī · Vikram 2040 Dhātṛ · Śaka 1905 Rudhirodgāri"},"festivals":[{"id":"ramanuja-jayanti","name":"Rāmānujācārya Jayantī","name_sanskrit":"रामानुजाचार्य जयन्ती","tradition":"Vaishnava","associated_deity":"Rāmānujācārya (Viśiṣṭādvaita)","significance":"Birth of Rāmānujācārya; Viśiṣṭādvaita-pratiṣṭhāpaka. Caitra Śukla 5.","vrata":false,"detection":{"tithi_number":5,"tithi_paksha":"Śukla","lunar_month":"Caitra"},"precedence":3}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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 April 18, 1983 CE · Kolhāpur, Maharashtra · Vidhyamitra","description":"April 18, 1983 CE for Kolhāpur, Maharashtra: Śukla Pañcamī, sūryodaya 06:16, sūryāsta 18:49.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kolhapur/1983-04-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kolhapur/1983-04-18","sa":"https://sa.vidhyamitra.com/city/kolhapur/1983-04-18","hi":"https://hi.vidhyamitra.com/city/kolhapur/1983-04-18","x-default":"https://vidhyamitra.com/city/kolhapur/1983-04-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T06:46:02.205Z","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":"2026-05-31T06:46:02.205Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T06:46:02.205Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}