{"id":"vidhyamitra:city-day:kolhapur:1983-02-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kolhapur/1983-02-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1983-02-28","date_display":"February 28, 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":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445393.770833,"kali_year":5084,"ahargana":1856928.2708,"sun":{"sidereal_longitude":315.4529,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":145.3616,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":189.9087,"elapsed_within_tithi_degrees":9.9087},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":145.3616,"elapsed_within_degrees":12.0283},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":100.8144},"karana":{"half_tithi_index":31,"name":"Kaulava"},"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":2,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2445393.770833,"ahargana":1856928.2708,"kali_year":5084,"ayanamsa_lahiri":23.6177,"grahas":{"sun":{"sidereal_longitude":315.26403300000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":144.46953299999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false,"latitude":4.333},"mars":{"sidereal_longitude":338.946333,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":295.422633,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":226.87173299999995,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":342.974333,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":190.304533,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":71.004,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":251.004,"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":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445393.770833,"kali_year":5084,"ahargana":1856928.2708,"sun":{"sidereal_longitude":315.4529,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":145.3616,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":189.9087,"elapsed_within_tithi_degrees":9.9087},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":145.3616,"elapsed_within_degrees":12.0283},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":100.8144},"karana":{"half_tithi_index":31,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.333,"elongation":170.091},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.333,"opposition_distance":9.909}},"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":"06:53","sunsetLocal":"18:40","solarNoonLocal":"12:46","dayLengthHours":11.785170261433397,"dayLengthDisplay":"11 Hours 47 Mins 07 Secs","nightLengthDisplay":"12 Hours 12 Mins 53 Secs","moonriseLocal":"19:15","moonsetLocal":"07:31","rahuKala":{"name":"Rāhu Kāla","start":"08:21","end":"09:49","startHours":8.351392132396269,"endHours":9.824538415075443,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:18","end":"12:46","startHours":11.297684697754619,"endHours":12.770830980433793,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:15","end":"15:43","startHours":14.243977263112967,"endHours":15.717123545792141,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:38","end":"10:01","startHours":9.62811891071822,"endHours":10.020957919432666,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:22","end":"07:41","startHours":7.369294610610152,"endHours":7.683565817581709,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:23","end":"13:10","startHours":12.377991971719345,"endHours":13.163669989148238,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:18","end":"06:06","startHours":5.306889814859307,"endHours":6.092567832288201,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:54","end":"06:53","startHours":5.896148327930978,"endHours":6.878245849717094,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:44","end":"15:31","startHours":14.735026024006025,"endHours":15.520704041434918,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:28","end":"18:52","startHours":18.46341611115049,"endHours":18.86341611115049,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:40","end":"19:09","startHours":18.66341611115049,"endHours":19.154464872043548,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:25","end":"20:10","startHours":18.41341611115049,"endHours":20.16341611115049,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:23","end":"01:10","startHours":24.377991971719347,"endHours":25.16366998914824,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:53","end":"08:21","startHours":6.878245849717094,"endHours":8.351392132396269,"quality":"auspicious"},{"name":"Kāla","start":"08:21","end":"09:49","startHours":8.351392132396269,"endHours":9.824538415075443,"quality":"inauspicious"},{"name":"Śubha","start":"09:49","end":"11:18","startHours":9.824538415075443,"endHours":11.297684697754619,"quality":"auspicious"},{"name":"Roga","start":"11:18","end":"12:46","startHours":11.297684697754619,"endHours":12.770830980433793,"quality":"inauspicious"},{"name":"Udveg","start":"12:46","end":"14:15","startHours":12.770830980433793,"endHours":14.243977263112967,"quality":"inauspicious"},{"name":"Chala","start":"14:15","end":"15:43","startHours":14.243977263112967,"endHours":15.717123545792141,"quality":"neutral"},{"name":"Labha","start":"15:43","end":"17:11","startHours":15.717123545792141,"endHours":17.190269828471315,"quality":"auspicious"},{"name":"Amṛta","start":"17:11","end":"18:40","startHours":17.190269828471315,"endHours":18.66341611115049,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:40","end":"20:11","startHours":18.66341611115049,"endHours":20.190269828471315,"quality":"neutral"},{"name":"Labha","start":"20:11","end":"21:43","startHours":20.190269828471315,"endHours":21.71712354579214,"quality":"auspicious"},{"name":"Amṛta","start":"21:43","end":"23:15","startHours":21.71712354579214,"endHours":23.243977263112967,"quality":"auspicious"},{"name":"Kāla","start":"23:15","end":"00:46","startHours":23.243977263112967,"endHours":24.770830980433793,"quality":"inauspicious"},{"name":"Śubha","start":"00:46","end":"02:18","startHours":24.770830980433793,"endHours":26.29768469775462,"quality":"auspicious"},{"name":"Roga","start":"02:18","end":"03:49","startHours":26.29768469775462,"endHours":27.82453841507544,"quality":"inauspicious"},{"name":"Udveg","start":"03:49","end":"05:21","startHours":27.82453841507544,"endHours":29.351392132396267,"quality":"inauspicious"},{"name":"Chala","start":"05:21","end":"06:53","startHours":29.351392132396267,"endHours":30.878245849717093,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:53","end":"07:53","startHours":6.878245849717094,"endHours":7.878245849717094,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:53","end":"08:53","startHours":7.878245849717094,"endHours":8.878245849717093,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:53","end":"09:53","startHours":8.878245849717093,"endHours":9.878245849717093,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:53","end":"10:53","startHours":9.878245849717093,"endHours":10.878245849717093,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:53","end":"11:53","startHours":10.878245849717093,"endHours":11.878245849717093,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:53","end":"12:53","startHours":11.878245849717093,"endHours":12.878245849717093,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:53","end":"13:53","startHours":12.878245849717093,"endHours":13.878245849717093,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:53","end":"14:53","startHours":13.878245849717093,"endHours":14.878245849717093,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:53","end":"15:53","startHours":14.878245849717093,"endHours":15.878245849717093,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:53","end":"16:53","startHours":15.878245849717093,"endHours":16.878245849717093,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:53","end":"17:53","startHours":16.878245849717093,"endHours":17.878245849717093,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:53","end":"18:53","startHours":17.878245849717093,"endHours":18.878245849717093,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:53","end":"19:53","startHours":18.878245849717093,"endHours":19.878245849717093,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:53","end":"20:53","startHours":19.878245849717093,"endHours":20.878245849717093,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:53","end":"21:53","startHours":20.878245849717093,"endHours":21.878245849717093,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:53","end":"22:53","startHours":21.878245849717093,"endHours":22.878245849717093,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:53","end":"23:53","startHours":22.878245849717093,"endHours":23.878245849717093,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:53","end":"00:53","startHours":23.878245849717093,"endHours":24.878245849717093,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:53","end":"01:53","startHours":24.878245849717093,"endHours":25.878245849717093,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:53","end":"02:53","startHours":25.878245849717093,"endHours":26.878245849717093,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:53","end":"03:53","startHours":26.878245849717093,"endHours":27.878245849717093,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:53","end":"04:53","startHours":27.878245849717093,"endHours":28.878245849717093,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:53","end":"05:53","startHours":28.878245849717093,"endHours":29.878245849717093,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:53","end":"06:53","startHours":29.878245849717093,"endHours":30.878245849717093,"planetary_lord":"Venus"}],"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":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"West","rahuVasa":"North-East","anandadiYoga":{"name":"Lumba","quality":"Auspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-8.238889555559185,"eotMinutes":-13.223058826027486,"ayanamsa":23.6177}},"calendars":{"vikram_samvat":2040,"vikram_samvatsara":"Dhātṛ","saka_samvat":1905,"saka_samvatsara":"Rudhirodgāri","bengali_samvat":1390,"malayalam_era":1159,"nanakshahi_year":514,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa Pakṣa","solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Kṛṣṇa Pratipada · Vikram 2040 Dhātṛ · Śaka 1905 Rudhirodgāri"},"festivals":[{"id":"kumbha-sankranti","name":"Kumbha Saṅkrānti","name_sanskrit":"कुम्भ सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aquarius; Kumbha-māsa begins.","vrata":false,"detection":{"sun_rashi":"Kumbha"},"precedence":5}],"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 February 28, 1983 CE · Kolhāpur, Maharashtra · Vidhyamitra","description":"February 28, 1983 CE for Kolhāpur, Maharashtra: Kṛṣṇa Pratipada, sūryodaya 06:53, sūryāsta 18:40.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kolhapur/1983-02-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kolhapur/1983-02-28","sa":"https://sa.vidhyamitra.com/city/kolhapur/1983-02-28","hi":"https://hi.vidhyamitra.com/city/kolhapur/1983-02-28","x-default":"https://vidhyamitra.com/city/kolhapur/1983-02-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-19T12:10:50.190Z","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":"2026-05-19T12:10:50.190Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-19T12:10:50.190Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}