{"id":"vidhyamitra:city-day:kolhapur:1983-02-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kolhapur/1983-02-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1983-02-13","date_display":"February 13, 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":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445378.770833,"kali_year":5084,"ahargana":1856913.2708,"sun":{"sidereal_longitude":300.2737,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":301.015,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":0.7413,"elapsed_within_tithi_degrees":0.7413},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3,"moon_longitude":301.015,"elapsed_within_degrees":7.6816},"yoga":{"number":19,"name":"Parigha","sum_longitude":241.2886},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2445378.770833,"ahargana":1856913.2708,"kali_year":5084,"ayanamsa_lahiri":23.6172,"grahas":{"sun":{"sidereal_longitude":300.146306,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":300.300306,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false,"latitude":-3.4058},"mars":{"sidereal_longitude":327.341406,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":274.99250600000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":225.32580600000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":324.440606,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":190.506706,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":71.7988,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":251.7988,"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":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445378.770833,"kali_year":5084,"ahargana":1856913.2708,"sun":{"sidereal_longitude":300.2737,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":301.015,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":0.7413,"elapsed_within_tithi_degrees":0.7413},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3,"moon_longitude":301.015,"elapsed_within_degrees":7.6816},"yoga":{"number":19,"name":"Parigha","sum_longitude":241.2886},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.406,"elongation":0.741},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.406,"opposition_distance":179.259}},"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":"07:01","sunsetLocal":"18:35","solarNoonLocal":"12:48","dayLengthHours":11.564496545550938,"dayLengthDisplay":"11 Hours 33 Mins 52 Secs","nightLengthDisplay":"12 Hours 26 Mins 08 Secs","moonriseLocal":"07:02","moonsetLocal":"18:34","rahuKala":{"name":"Rāhu Kāla","start":"17:08","end":"18:35","startHours":17.130458292258638,"endHours":18.576020360452503,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:48","end":"14:14","startHours":12.793772087677034,"endHours":14.239334155870903,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:41","end":"17:08","startHours":15.684896224064769,"endHours":17.130458292258638,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:43","end":"10:06","startHours":9.709906342196785,"endHours":10.095389560381816,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:30","end":"07:48","startHours":7.493377837632855,"endHours":7.80176441218088,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:24","end":"13:11","startHours":12.408288869492003,"endHours":13.179255305862066,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:28","end":"06:14","startHours":5.469590942161441,"endHours":6.240557378531504,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:03","end":"07:01","startHours":6.047815769438988,"endHours":7.011523814901566,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:43","end":"15:30","startHours":14.72118817860219,"endHours":15.492154614972254,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:23","end":"18:47","startHours":18.376020360452504,"endHours":18.776020360452502,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:35","end":"19:03","startHours":18.576020360452503,"endHours":19.057874383183794,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:20","end":"20:05","startHours":18.326020360452503,"endHours":20.076020360452503,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:24","end":"01:11","startHours":24.408288869492004,"endHours":25.179255305862064,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:01","end":"08:27","startHours":7.011523814901566,"endHours":8.457085883095434,"quality":"inauspicious"},{"name":"Chala","start":"08:27","end":"09:54","startHours":8.457085883095434,"endHours":9.9026479512893,"quality":"neutral"},{"name":"Labha","start":"09:54","end":"11:21","startHours":9.9026479512893,"endHours":11.348210019483169,"quality":"auspicious"},{"name":"Amṛta","start":"11:21","end":"12:48","startHours":11.348210019483169,"endHours":12.793772087677034,"quality":"auspicious"},{"name":"Kāla","start":"12:48","end":"14:14","startHours":12.793772087677034,"endHours":14.239334155870903,"quality":"inauspicious"},{"name":"Śubha","start":"14:14","end":"15:41","startHours":14.239334155870903,"endHours":15.684896224064769,"quality":"auspicious"},{"name":"Roga","start":"15:41","end":"17:08","startHours":15.684896224064769,"endHours":17.130458292258638,"quality":"inauspicious"},{"name":"Udveg","start":"17:08","end":"18:35","startHours":17.130458292258638,"endHours":18.576020360452503,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:35","end":"20:08","startHours":18.576020360452503,"endHours":20.130458292258638,"quality":"auspicious"},{"name":"Roga","start":"20:08","end":"21:41","startHours":20.130458292258638,"endHours":21.68489622406477,"quality":"inauspicious"},{"name":"Udveg","start":"21:41","end":"23:14","startHours":21.68489622406477,"endHours":23.2393341558709,"quality":"inauspicious"},{"name":"Chala","start":"23:14","end":"00:48","startHours":23.2393341558709,"endHours":24.793772087677034,"quality":"neutral"},{"name":"Labha","start":"00:48","end":"02:21","startHours":24.793772087677034,"endHours":26.34821001948317,"quality":"auspicious"},{"name":"Amṛta","start":"02:21","end":"03:54","startHours":26.34821001948317,"endHours":27.9026479512893,"quality":"auspicious"},{"name":"Kāla","start":"03:54","end":"05:27","startHours":27.9026479512893,"endHours":29.45708588309543,"quality":"inauspicious"},{"name":"Śubha","start":"05:27","end":"07:01","startHours":29.45708588309543,"endHours":31.011523814901565,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:01","end":"08:01","startHours":7.011523814901566,"endHours":8.011523814901565,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:01","end":"09:01","startHours":8.011523814901565,"endHours":9.011523814901565,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:01","end":"10:01","startHours":9.011523814901565,"endHours":10.011523814901565,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:01","end":"11:01","startHours":10.011523814901565,"endHours":11.011523814901565,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:01","end":"12:01","startHours":11.011523814901565,"endHours":12.011523814901565,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:01","end":"13:01","startHours":12.011523814901565,"endHours":13.011523814901565,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:01","end":"14:01","startHours":13.011523814901565,"endHours":14.011523814901565,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:01","end":"15:01","startHours":14.011523814901565,"endHours":15.011523814901565,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:01","end":"16:01","startHours":15.011523814901565,"endHours":16.011523814901565,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:01","end":"17:01","startHours":16.011523814901565,"endHours":17.011523814901565,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:01","end":"18:01","startHours":17.011523814901565,"endHours":18.011523814901565,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:01","end":"19:01","startHours":18.011523814901565,"endHours":19.011523814901565,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:01","end":"20:01","startHours":19.011523814901565,"endHours":20.011523814901565,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:01","end":"21:01","startHours":20.011523814901565,"endHours":21.011523814901565,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:01","end":"22:01","startHours":21.011523814901565,"endHours":22.011523814901565,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:01","end":"23:01","startHours":22.011523814901565,"endHours":23.011523814901565,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:01","end":"00:01","startHours":23.011523814901565,"endHours":24.011523814901565,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:01","end":"01:01","startHours":24.011523814901565,"endHours":25.011523814901565,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:01","end":"02:01","startHours":25.011523814901565,"endHours":26.011523814901565,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:01","end":"03:01","startHours":26.011523814901565,"endHours":27.011523814901565,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:01","end":"04:01","startHours":27.011523814901565,"endHours":28.011523814901565,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:01","end":"05:01","startHours":28.011523814901565,"endHours":29.011523814901565,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:01","end":"06:01","startHours":29.011523814901565,"endHours":30.011523814901565,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:01","end":"07:01","startHours":30.011523814901565,"endHours":31.011523814901565,"planetary_lord":"Jupiter"}],"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","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Gada","quality":"Inauspicious"},"drikRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-13.597955303394594,"eotMinutes":-14.599525260622107,"ayanamsa":23.6172}},"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 Śukla Pakṣa","solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Śukla 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":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 13, 1983 CE · Kolhāpur, Maharashtra · Vidhyamitra","description":"February 13, 1983 CE for Kolhāpur, Maharashtra: Śukla Pratipada, sūryodaya 07:01, sūryāsta 18:35.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kolhapur/1983-02-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kolhapur/1983-02-13","sa":"https://sa.vidhyamitra.com/city/kolhapur/1983-02-13","hi":"https://hi.vidhyamitra.com/city/kolhapur/1983-02-13","x-default":"https://vidhyamitra.com/city/kolhapur/1983-02-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-24T13:54:18.120Z","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":"2026-05-24T13:54:18.120Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-24T13:54:18.120Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}