{"id":"vidhyamitra:city-day:mathura:1983-07-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/mathura/1983-07-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1983-07-15","date_display":"July 15, 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":7,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445530.770833,"kali_year":5085,"ahargana":1857065.2708,"sun":{"sidereal_longitude":88.0081,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":148.1592,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":60.1511,"elapsed_within_tithi_degrees":0.1511},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1,"moon_longitude":148.1592,"elapsed_within_degrees":1.4925},"yoga":{"number":18,"name":"Varīyān","sum_longitude":236.1673},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":7,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2445530.770833,"ahargana":1857065.2708,"kali_year":5085,"ayanamsa_lahiri":23.623,"grahas":{"sun":{"sidereal_longitude":88.396298,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"moon":{"sidereal_longitude":151.592898,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false,"latitude":4.4786},"mars":{"sidereal_longitude":77.199498,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":94.91609800000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":218.55239800000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":129.67809799999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":183.92819799999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":63.7451,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":243.7451,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"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":7,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445530.770833,"kali_year":5085,"ahargana":1857065.2708,"sun":{"sidereal_longitude":88.0081,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":148.1592,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":60.1511,"elapsed_within_tithi_degrees":0.1511},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1,"moon_longitude":148.1592,"elapsed_within_degrees":1.4925},"yoga":{"number":18,"name":"Varīyān","sum_longitude":236.1673},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.479,"elongation":60.151},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.479,"opposition_distance":119.849}},"eclipse_window_40days":[{"offset_days":-20,"type":"lunar","occurs":true,"moon_latitude":-0.167,"opposition_distance":2.137}]},"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":"05:33","sunsetLocal":"19:17","solarNoonLocal":"12:25","dayLengthHours":13.72632991102326,"dayLengthDisplay":"13 Hours 43 Mins 35 Secs","nightLengthDisplay":"10 Hours 16 Mins 25 Secs","moonriseLocal":"10:31","moonsetLocal":"22:44","rahuKala":{"name":"Rāhu Kāla","start":"10:42","end":"12:25","startHours":10.699022279561678,"endHours":12.414813518439583,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:51","end":"17:34","startHours":15.846395996195401,"endHours":17.562187235073306,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:16","end":"08:59","startHours":7.267439801805862,"endHours":8.98323104068377,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:45","end":"09:13","startHours":8.754458875500049,"endHours":9.21200320586749,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:07","end":"06:29","startHours":6.1235789758872565,"endHours":6.48961444018121,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:57","end":"12:52","startHours":11.957269188072143,"endHours":12.872357848807027,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:43","end":"04:38","startHours":3.721471241458186,"endHours":4.636559902193071,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:24","end":"05:33","startHours":4.407787737009349,"endHours":5.551648562927954,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:42","end":"15:37","startHours":14.702535170276796,"endHours":15.61762383101168,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:05","end":"19:29","startHours":19.077978473951216,"endHours":19.477978473951215,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:17","end":"19:51","startHours":19.277978473951215,"endHours":19.84990888691052,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:02","end":"20:47","startHours":19.027978473951215,"endHours":20.777978473951215,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:57","end":"00:52","startHours":23.957269188072146,"endHours":24.872357848807027,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:33","end":"07:16","startHours":5.551648562927954,"endHours":7.267439801805862,"quality":"neutral"},{"name":"Labha","start":"07:16","end":"08:59","startHours":7.267439801805862,"endHours":8.98323104068377,"quality":"auspicious"},{"name":"Amṛta","start":"08:59","end":"10:42","startHours":8.98323104068377,"endHours":10.699022279561678,"quality":"auspicious"},{"name":"Kāla","start":"10:42","end":"12:25","startHours":10.699022279561678,"endHours":12.414813518439583,"quality":"inauspicious"},{"name":"Śubha","start":"12:25","end":"14:08","startHours":12.414813518439583,"endHours":14.130604757317492,"quality":"auspicious"},{"name":"Roga","start":"14:08","end":"15:51","startHours":14.130604757317492,"endHours":15.846395996195401,"quality":"inauspicious"},{"name":"Udveg","start":"15:51","end":"17:34","startHours":15.846395996195401,"endHours":17.562187235073306,"quality":"inauspicious"},{"name":"Chala","start":"17:34","end":"19:17","startHours":17.562187235073306,"endHours":19.277978473951215,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"19:17","end":"20:34","startHours":19.277978473951215,"endHours":20.562187235073306,"quality":"inauspicious"},{"name":"Udveg","start":"20:34","end":"21:51","startHours":20.562187235073306,"endHours":21.8463959961954,"quality":"inauspicious"},{"name":"Chala","start":"21:51","end":"23:08","startHours":21.8463959961954,"endHours":23.130604757317492,"quality":"neutral"},{"name":"Labha","start":"23:08","end":"00:25","startHours":23.130604757317492,"endHours":24.414813518439587,"quality":"auspicious"},{"name":"Amṛta","start":"00:25","end":"01:42","startHours":24.414813518439587,"endHours":25.699022279561678,"quality":"auspicious"},{"name":"Kāla","start":"01:42","end":"02:59","startHours":25.699022279561678,"endHours":26.98323104068377,"quality":"inauspicious"},{"name":"Śubha","start":"02:59","end":"04:16","startHours":26.98323104068377,"endHours":28.267439801805864,"quality":"auspicious"},{"name":"Roga","start":"04:16","end":"05:33","startHours":28.267439801805864,"endHours":29.551648562927955,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:33","end":"06:33","startHours":5.551648562927954,"endHours":6.551648562927954,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:33","end":"07:33","startHours":6.551648562927954,"endHours":7.551648562927954,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:33","end":"08:33","startHours":7.551648562927954,"endHours":8.551648562927955,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:33","end":"09:33","startHours":8.551648562927955,"endHours":9.551648562927955,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:33","end":"10:33","startHours":9.551648562927955,"endHours":10.551648562927955,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:33","end":"11:33","startHours":10.551648562927955,"endHours":11.551648562927955,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:33","end":"12:33","startHours":11.551648562927955,"endHours":12.551648562927955,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:33","end":"13:33","startHours":12.551648562927955,"endHours":13.551648562927955,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:33","end":"14:33","startHours":13.551648562927955,"endHours":14.551648562927955,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:33","end":"15:33","startHours":14.551648562927955,"endHours":15.551648562927955,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:33","end":"16:33","startHours":15.551648562927955,"endHours":16.551648562927955,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:33","end":"17:33","startHours":16.551648562927955,"endHours":17.551648562927955,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:33","end":"18:33","startHours":17.551648562927955,"endHours":18.551648562927955,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:33","end":"19:33","startHours":18.551648562927955,"endHours":19.551648562927955,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:33","end":"20:33","startHours":19.551648562927955,"endHours":20.551648562927955,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:33","end":"21:33","startHours":20.551648562927955,"endHours":21.551648562927955,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:33","end":"22:33","startHours":21.551648562927955,"endHours":22.551648562927955,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:33","end":"23:33","startHours":22.551648562927955,"endHours":23.551648562927955,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:33","end":"00:33","startHours":23.551648562927955,"endHours":24.551648562927955,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:33","end":"01:33","startHours":24.551648562927955,"endHours":25.551648562927955,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:33","end":"02:33","startHours":25.551648562927955,"endHours":26.551648562927955,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:33","end":"03:33","startHours":26.551648562927955,"endHours":27.551648562927955,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:33","end":"04:33","startHours":27.551648562927955,"endHours":28.551648562927955,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:33","end":"05:33","startHours":28.551648562927955,"endHours":29.551648562927955,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"North-West","rahuVasa":"South-East","anandadiYoga":{"name":"Prajāpati","quality":"Auspicious"},"drikRitu":"Grīṣma (Summer) (Drik)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":21.636754259909445,"eotMinutes":-5.583611106375076,"ayanamsa":23.623}},"calendars":{"vikram_samvat":2040,"vikram_samvatsara":"Dhātṛ","saka_samvat":1905,"saka_samvatsara":"Rudhirodgāri","bengali_samvat":1390,"malayalam_era":1159,"nanakshahi_year":514,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Śukla Pakṣa","solar_month":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Śukla Ṣaṣṭhī · Vikram 2040 Dhātṛ · Śaka 1905 Rudhirodgāri"},"festivals":[{"id":"mithuna-sankranti","name":"Mithuna Saṅkrānti","name_sanskrit":"मिथुन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Gemini.","vrata":false,"detection":{"sun_rashi":"Mithuna"},"precedence":5}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 July 15, 1983 CE · Mathurā · Vidhyamitra","description":"July 15, 1983 CE for Mathurā: Śukla Ṣaṣṭhī, sūryodaya 05:33, sūryāsta 19:17.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/mathura/1983-07-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/mathura/1983-07-15","sa":"https://sa.vidhyamitra.com/city/mathura/1983-07-15","hi":"https://hi.vidhyamitra.com/city/mathura/1983-07-15","x-default":"https://vidhyamitra.com/city/mathura/1983-07-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T13:32:27.404Z","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":"2026-05-14T13:32:27.404Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T13:32:27.404Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}