{"id":"vidhyamitra:city-day:mathura:1983-05-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/mathura/1983-05-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1983-05-16","date_display":"May 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":5,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445470.770833,"kali_year":5085,"ahargana":1857005.2708,"sun":{"sidereal_longitude":31.0285,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":72.029,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":41.0005,"elapsed_within_tithi_degrees":5.0005},"nakshatra":{"number":6,"name":"Ārdrā","pada":2,"moon_longitude":72.029,"elapsed_within_degrees":5.3623},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":103.0575},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"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":5,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2445470.770833,"ahargana":1857005.2708,"kali_year":5085,"ayanamsa_lahiri":23.6207,"grahas":{"sun":{"sidereal_longitude":31.01129099999997,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":73.63329099999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false,"latitude":0.4},"mars":{"sidereal_longitude":36.01279099999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":26.104090999999983,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":224.68649099999993,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":73.99279100000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":185.45329100000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":66.9242,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":246.9242,"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":5,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445470.770833,"kali_year":5085,"ahargana":1857005.2708,"sun":{"sidereal_longitude":31.0285,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":72.029,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":41.0005,"elapsed_within_tithi_degrees":5.0005},"nakshatra":{"number":6,"name":"Ārdrā","pada":2,"moon_longitude":72.029,"elapsed_within_degrees":5.3623},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":103.0575},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.4,"elongation":41},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.4,"opposition_distance":139}},"eclipse_window_40days":[]},"city":{"slug":"mathura","name":"Mathurā","lat":27.4924,"lon":77.6737,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"mathura","name":"Mathurā","lat":27.4924,"lon":77.6737,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"05:30","sunsetLocal":"19:01","solarNoonLocal":"12:16","dayLengthHours":13.50515466240297,"dayLengthDisplay":"13 Hours 30 Mins 19 Secs","nightLengthDisplay":"10 Hours 29 Mins 41 Secs","moonriseLocal":"08:11","moonsetLocal":"22:01","rahuKala":{"name":"Rāhu Kāla","start":"07:12","end":"08:53","startHours":7.194932752285762,"endHours":8.883077085086134,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:34","end":"12:16","startHours":10.571221417886505,"endHours":12.259365750686875,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:57","end":"15:38","startHours":13.947510083487247,"endHours":15.635654416287618,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:39","end":"09:06","startHours":8.657991174046083,"endHours":9.108162996126183,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:04","end":"06:26","startHours":6.069503197085514,"endHours":6.429640654749593,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:49","end":"12:43","startHours":11.809193928606776,"endHours":12.709537572766974,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:42","end":"04:36","startHours":3.7061011311649947,"endHours":4.606444775325192,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:23","end":"05:30","startHours":4.3813588642851435,"endHours":5.506788419485391,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:31","end":"15:25","startHours":14.510224861087371,"endHours":15.41056850524757,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:49","end":"19:13","startHours":18.811943081888362,"endHours":19.21194308188836,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:01","end":"19:34","startHours":19.01194308188836,"endHours":19.574657859488486,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:46","end":"20:31","startHours":18.76194308188836,"endHours":20.51194308188836,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:49","end":"00:43","startHours":23.809193928606778,"endHours":24.709537572766973,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:30","end":"07:12","startHours":5.506788419485391,"endHours":7.194932752285762,"quality":"auspicious"},{"name":"Kāla","start":"07:12","end":"08:53","startHours":7.194932752285762,"endHours":8.883077085086134,"quality":"inauspicious"},{"name":"Śubha","start":"08:53","end":"10:34","startHours":8.883077085086134,"endHours":10.571221417886505,"quality":"auspicious"},{"name":"Roga","start":"10:34","end":"12:16","startHours":10.571221417886505,"endHours":12.259365750686875,"quality":"inauspicious"},{"name":"Udveg","start":"12:16","end":"13:57","startHours":12.259365750686875,"endHours":13.947510083487247,"quality":"inauspicious"},{"name":"Chala","start":"13:57","end":"15:38","startHours":13.947510083487247,"endHours":15.635654416287618,"quality":"neutral"},{"name":"Labha","start":"15:38","end":"17:19","startHours":15.635654416287618,"endHours":17.32379874908799,"quality":"auspicious"},{"name":"Amṛta","start":"17:19","end":"19:01","startHours":17.32379874908799,"endHours":19.01194308188836,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"19:01","end":"20:19","startHours":19.01194308188836,"endHours":20.32379874908799,"quality":"neutral"},{"name":"Labha","start":"20:19","end":"21:38","startHours":20.32379874908799,"endHours":21.63565441628762,"quality":"auspicious"},{"name":"Amṛta","start":"21:38","end":"22:57","startHours":21.63565441628762,"endHours":22.94751008348725,"quality":"auspicious"},{"name":"Kāla","start":"22:57","end":"00:16","startHours":22.94751008348725,"endHours":24.259365750686875,"quality":"inauspicious"},{"name":"Śubha","start":"00:16","end":"01:34","startHours":24.259365750686875,"endHours":25.571221417886505,"quality":"auspicious"},{"name":"Roga","start":"01:34","end":"02:53","startHours":25.571221417886505,"endHours":26.883077085086136,"quality":"inauspicious"},{"name":"Udveg","start":"02:53","end":"04:12","startHours":26.883077085086136,"endHours":28.194932752285762,"quality":"inauspicious"},{"name":"Chala","start":"04:12","end":"05:30","startHours":28.194932752285762,"endHours":29.50678841948539,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:30","end":"06:30","startHours":5.506788419485391,"endHours":6.506788419485391,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:30","end":"07:30","startHours":6.506788419485391,"endHours":7.506788419485391,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:30","end":"08:30","startHours":7.506788419485391,"endHours":8.50678841948539,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:30","end":"09:30","startHours":8.50678841948539,"endHours":9.50678841948539,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:30","end":"10:30","startHours":9.50678841948539,"endHours":10.50678841948539,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:30","end":"11:30","startHours":10.50678841948539,"endHours":11.50678841948539,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:30","end":"12:30","startHours":11.50678841948539,"endHours":12.50678841948539,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:30","end":"13:30","startHours":12.50678841948539,"endHours":13.50678841948539,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:30","end":"14:30","startHours":13.50678841948539,"endHours":14.50678841948539,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:30","end":"15:30","startHours":14.50678841948539,"endHours":15.50678841948539,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:30","end":"16:30","startHours":15.50678841948539,"endHours":16.50678841948539,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:30","end":"17:30","startHours":16.50678841948539,"endHours":17.50678841948539,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:30","end":"18:30","startHours":17.50678841948539,"endHours":18.50678841948539,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:30","end":"19:30","startHours":18.50678841948539,"endHours":19.50678841948539,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:30","end":"20:30","startHours":19.50678841948539,"endHours":20.50678841948539,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:30","end":"21:30","startHours":20.50678841948539,"endHours":21.50678841948539,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:30","end":"22:30","startHours":21.50678841948539,"endHours":22.50678841948539,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:30","end":"23:30","startHours":22.50678841948539,"endHours":23.50678841948539,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:30","end":"00:30","startHours":23.50678841948539,"endHours":24.50678841948539,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:30","end":"01:30","startHours":24.50678841948539,"endHours":25.50678841948539,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:30","end":"02:30","startHours":25.50678841948539,"endHours":26.50678841948539,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:30","end":"03:30","startHours":26.50678841948539,"endHours":27.50678841948539,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:30","end":"04:30","startHours":27.50678841948539,"endHours":28.50678841948539,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:30","end":"05:30","startHours":28.50678841948539,"endHours":29.50678841948539,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"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":"Mudgara","quality":"Inauspicious"},"drikRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":18.925071575489856,"eotMinutes":3.743254958787478,"ayanamsa":23.6207}},"calendars":{"vikram_samvat":2040,"vikram_samvatsara":"Dhātṛ","saka_samvat":1905,"saka_samvatsara":"Rudhirodgāri","bengali_samvat":1390,"malayalam_era":1159,"nanakshahi_year":514,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Śukla Pakṣa","solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Śukla Caturthī · Vikram 2040 Dhātṛ · Śaka 1905 Rudhirodgāri"},"festivals":[{"id":"vrishabha-sankranti","name":"Vṛṣabha Saṅkrānti","name_sanskrit":"वृषभ सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Taurus.","vrata":false,"detection":{"sun_rashi":"Vṛṣabha"},"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":"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":"mathura"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga May 16, 1983 CE · Mathurā · Vidhyamitra","description":"May 16, 1983 CE for Mathurā: Śukla Caturthī, sūryodaya 05:30, sūryāsta 19:01.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/mathura/1983-05-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/mathura/1983-05-16","sa":"https://sa.vidhyamitra.com/city/mathura/1983-05-16","hi":"https://hi.vidhyamitra.com/city/mathura/1983-05-16","x-default":"https://vidhyamitra.com/city/mathura/1983-05-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T13:41:23.648Z","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":"2026-05-14T13:41:23.648Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T13:41:23.648Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}