{"id":"vidhyamitra:city-day:erode:1983-02-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/1983-02-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1983-02-16","date_display":"February 16, 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":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445381.770833,"kali_year":5084,"ahargana":1856916.2708,"sun":{"sidereal_longitude":303.3199,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":339.3515,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":36.0316,"elapsed_within_tithi_degrees":0.0316},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2,"moon_longitude":339.3515,"elapsed_within_degrees":6.0181},"yoga":{"number":22,"name":"Sādhya","sum_longitude":282.6714},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2445381.770833,"ahargana":1856916.2708,"kali_year":5084,"ayanamsa_lahiri":23.6173,"grahas":{"sun":{"sidereal_longitude":303.17779100000007,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":336.967391,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false,"latitude":-4.4964},"mars":{"sidereal_longitude":329.67159100000003,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":278.659591,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":225.67999099999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":328.159391,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":190.49729100000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":71.6399,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":251.6399,"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":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445381.770833,"kali_year":5084,"ahargana":1856916.2708,"sun":{"sidereal_longitude":303.3199,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":339.3515,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":36.0316,"elapsed_within_tithi_degrees":0.0316},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2,"moon_longitude":339.3515,"elapsed_within_degrees":6.0181},"yoga":{"number":22,"name":"Sādhya","sum_longitude":282.6714},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.496,"elongation":36.032},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.496,"opposition_distance":143.968}},"eclipse_window_40days":[]},"city":{"slug":"erode","name":"Erode, Tamil Nadu","lat":11.341,"lon":77.7172,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"erode","name":"Erode, Tamil Nadu","lat":11.341,"lon":77.7172,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tier-1"},"sunriseLocal":"06:40","sunsetLocal":"18:27","solarNoonLocal":"12:34","dayLengthHours":11.774087451078723,"dayLengthDisplay":"11 Hours 46 Mins 27 Secs","nightLengthDisplay":"12 Hours 13 Mins 33 Secs","moonriseLocal":"08:46","moonsetLocal":"20:51","rahuKala":{"name":"Rāhu Kāla","start":"12:34","end":"14:02","startHours":12.561153476699271,"endHours":14.03291440808411,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:09","end":"09:37","startHours":8.14587068254475,"endHours":9.61763161392959,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:05","end":"12:34","startHours":11.08939254531443,"endHours":12.561153476699271,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:25","end":"09:49","startHours":9.421396823078277,"endHours":9.813866404780901,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:10","end":"07:29","startHours":7.164696728288189,"endHours":7.478672393650289,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:10","end":"12:57","startHours":12.168683894996645,"endHours":12.953623058401893,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:06","end":"05:53","startHours":5.104231424349413,"endHours":5.889170587754661,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:42","end":"06:40","startHours":5.692935796903349,"endHours":6.674109751159909,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:31","end":"15:19","startHours":14.523501385212391,"endHours":15.30844054861764,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:15","end":"18:39","startHours":18.248197202238632,"endHours":18.64819720223863,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:27","end":"18:56","startHours":18.44819720223863,"endHours":18.938784179366912,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:12","end":"19:57","startHours":18.19819720223863,"endHours":19.94819720223863,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:10","end":"00:57","startHours":24.168683894996644,"endHours":24.95362305840189,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:40","end":"08:09","startHours":6.674109751159909,"endHours":8.14587068254475,"quality":"auspicious"},{"name":"Amṛta","start":"08:09","end":"09:37","startHours":8.14587068254475,"endHours":9.61763161392959,"quality":"auspicious"},{"name":"Kāla","start":"09:37","end":"11:05","startHours":9.61763161392959,"endHours":11.08939254531443,"quality":"inauspicious"},{"name":"Śubha","start":"11:05","end":"12:34","startHours":11.08939254531443,"endHours":12.561153476699271,"quality":"auspicious"},{"name":"Roga","start":"12:34","end":"14:02","startHours":12.561153476699271,"endHours":14.03291440808411,"quality":"inauspicious"},{"name":"Udveg","start":"14:02","end":"15:30","startHours":14.03291440808411,"endHours":15.504675339468951,"quality":"inauspicious"},{"name":"Chala","start":"15:30","end":"16:59","startHours":15.504675339468951,"endHours":16.97643627085379,"quality":"neutral"},{"name":"Labha","start":"16:59","end":"18:27","startHours":16.97643627085379,"endHours":18.44819720223863,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:27","end":"19:59","startHours":18.44819720223863,"endHours":19.976436270853792,"quality":"inauspicious"},{"name":"Chala","start":"19:59","end":"21:30","startHours":19.976436270853792,"endHours":21.50467533946895,"quality":"neutral"},{"name":"Labha","start":"21:30","end":"23:02","startHours":21.50467533946895,"endHours":23.03291440808411,"quality":"auspicious"},{"name":"Amṛta","start":"23:02","end":"00:34","startHours":23.03291440808411,"endHours":24.56115347669927,"quality":"auspicious"},{"name":"Kāla","start":"00:34","end":"02:05","startHours":24.56115347669927,"endHours":26.089392545314432,"quality":"inauspicious"},{"name":"Śubha","start":"02:05","end":"03:37","startHours":26.089392545314432,"endHours":27.61763161392959,"quality":"auspicious"},{"name":"Roga","start":"03:37","end":"05:09","startHours":27.61763161392959,"endHours":29.14587068254475,"quality":"inauspicious"},{"name":"Udveg","start":"05:09","end":"06:40","startHours":29.14587068254475,"endHours":30.67410975115991,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:40","end":"07:40","startHours":6.674109751159909,"endHours":7.674109751159909,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:40","end":"08:40","startHours":7.674109751159909,"endHours":8.674109751159909,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:40","end":"09:40","startHours":8.674109751159909,"endHours":9.674109751159909,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:40","end":"10:40","startHours":9.674109751159909,"endHours":10.674109751159909,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:40","end":"11:40","startHours":10.674109751159909,"endHours":11.674109751159909,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:40","end":"12:40","startHours":11.674109751159909,"endHours":12.674109751159909,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:40","end":"13:40","startHours":12.674109751159909,"endHours":13.674109751159909,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:40","end":"14:40","startHours":13.674109751159909,"endHours":14.674109751159909,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:40","end":"15:40","startHours":14.674109751159909,"endHours":15.674109751159909,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:40","end":"16:40","startHours":15.674109751159909,"endHours":16.67410975115991,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:40","end":"17:40","startHours":16.67410975115991,"endHours":17.67410975115991,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:40","end":"18:40","startHours":17.67410975115991,"endHours":18.67410975115991,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:40","end":"19:40","startHours":18.67410975115991,"endHours":19.67410975115991,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:40","end":"20:40","startHours":19.67410975115991,"endHours":20.67410975115991,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:40","end":"21:40","startHours":20.67410975115991,"endHours":21.67410975115991,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:40","end":"22:40","startHours":21.67410975115991,"endHours":22.67410975115991,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:40","end":"23:40","startHours":22.67410975115991,"endHours":23.67410975115991,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:40","end":"00:40","startHours":23.67410975115991,"endHours":24.67410975115991,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:40","end":"01:40","startHours":24.67410975115991,"endHours":25.67410975115991,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:40","end":"02:40","startHours":25.67410975115991,"endHours":26.67410975115991,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:40","end":"03:40","startHours":26.67410975115991,"endHours":27.67410975115991,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:40","end":"04:40","startHours":27.67410975115991,"endHours":28.67410975115991,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:40","end":"05:40","startHours":28.67410975115991,"endHours":29.67410975115991,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:40","end":"06:40","startHours":29.67410975115991,"endHours":30.67410975115991,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"South-West","anandadiYoga":{"name":"Mudgara","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":-12.580564347554489,"eotMinutes":-14.538008601956186,"ayanamsa":23.6173}},"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 Caturthī · 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},{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"erode"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga February 16, 1983 CE · Erode, Tamil Nadu · Vidhyamitra","description":"February 16, 1983 CE for Erode, Tamil Nadu: Śukla Caturthī, sūryodaya 06:40, sūryāsta 18:27.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/1983-02-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/1983-02-16","sa":"https://sa.vidhyamitra.com/city/erode/1983-02-16","hi":"https://hi.vidhyamitra.com/city/erode/1983-02-16","x-default":"https://vidhyamitra.com/city/erode/1983-02-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T13:17:07.589Z","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":"2026-05-18T13:17:07.589Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-18T13:17:07.589Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}