{"id":"vidhyamitra:city-day:mathura:1981-03-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/mathura/1981-03-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-03-17","date_display":"March 17, 1981 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":1981,"month":3,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444680.770833,"kali_year":5082,"ahargana":1856215.2708,"sun":{"sidereal_longitude":332.998,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":110.9568,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":137.9588,"elapsed_within_tithi_degrees":5.9588},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2,"moon_longitude":110.9568,"elapsed_within_degrees":4.2902},"yoga":{"number":7,"name":"Sukarma","sum_longitude":83.9548},"karana":{"half_tithi_index":22,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":1981,"month":3,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444680.770833,"ahargana":1856215.2708,"kali_year":5082,"ayanamsa_lahiri":23.5905,"grahas":{"sun":{"sidereal_longitude":332.77637400000003,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":111.45227399999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false,"latitude":0.1706},"mars":{"sidereal_longitude":336.624774,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":305.49147400000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":163.15677400000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":true},"venus":{"sidereal_longitude":327.660674,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":163.419574,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":108.7822,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":288.7822,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","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":1981,"month":3,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444680.770833,"kali_year":5082,"ahargana":1856215.2708,"sun":{"sidereal_longitude":332.998,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":110.9568,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":137.9588,"elapsed_within_tithi_degrees":5.9588},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2,"moon_longitude":110.9568,"elapsed_within_degrees":4.2902},"yoga":{"number":7,"name":"Sukarma","sum_longitude":83.9548},"karana":{"half_tithi_index":22,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.171,"elongation":137.959},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.171,"opposition_distance":42.041}},"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":"06:28","sunsetLocal":"18:29","solarNoonLocal":"12:28","dayLengthHours":12.025012385449713,"dayLengthDisplay":"12 Hours 01 Mins 30 Secs","nightLengthDisplay":"11 Hours 58 Mins 30 Secs","moonriseLocal":"15:05","moonsetLocal":"04:21","rahuKala":{"name":"Rāhu Kāla","start":"15:29","end":"16:59","startHours":15.479070452899471,"endHours":16.982197001080685,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:28","end":"10:58","startHours":9.466564260174614,"endHours":10.969690808355828,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:28","end":"13:59","startHours":12.472817356537043,"endHours":13.975943904718257,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:16","end":"09:40","startHours":9.266147387083787,"endHours":9.666981133265445,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:58","end":"07:17","startHours":6.9613533465392585,"endHours":7.282020343484584,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:04","end":"12:52","startHours":12.071983610355385,"endHours":12.8736511027187,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:51","end":"05:40","startHours":4.856976179085558,"endHours":5.658643671448873,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:27","end":"06:28","startHours":5.458226798358044,"endHours":6.460311163812187,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:29","end":"15:17","startHours":14.47698608744533,"endHours":15.278653579808644,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:17","end":"18:41","startHours":18.2853235492619,"endHours":18.6853235492619,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:29","end":"18:59","startHours":18.4853235492619,"endHours":18.986365731988972,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:14","end":"19:59","startHours":18.2353235492619,"endHours":19.9853235492619,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:04","end":"00:52","startHours":24.071983610355385,"endHours":24.8736511027187,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:28","end":"07:58","startHours":6.460311163812187,"endHours":7.963437711993401,"quality":"inauspicious"},{"name":"Udveg","start":"07:58","end":"09:28","startHours":7.963437711993401,"endHours":9.466564260174614,"quality":"inauspicious"},{"name":"Chala","start":"09:28","end":"10:58","startHours":9.466564260174614,"endHours":10.969690808355828,"quality":"neutral"},{"name":"Labha","start":"10:58","end":"12:28","startHours":10.969690808355828,"endHours":12.472817356537043,"quality":"auspicious"},{"name":"Amṛta","start":"12:28","end":"13:59","startHours":12.472817356537043,"endHours":13.975943904718257,"quality":"auspicious"},{"name":"Kāla","start":"13:59","end":"15:29","startHours":13.975943904718257,"endHours":15.479070452899471,"quality":"inauspicious"},{"name":"Śubha","start":"15:29","end":"16:59","startHours":15.479070452899471,"endHours":16.982197001080685,"quality":"auspicious"},{"name":"Roga","start":"16:59","end":"18:29","startHours":16.982197001080685,"endHours":18.4853235492619,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:29","end":"19:59","startHours":18.4853235492619,"endHours":19.982197001080685,"quality":"inauspicious"},{"name":"Śubha","start":"19:59","end":"21:29","startHours":19.982197001080685,"endHours":21.47907045289947,"quality":"auspicious"},{"name":"Roga","start":"21:29","end":"22:59","startHours":21.47907045289947,"endHours":22.975943904718257,"quality":"inauspicious"},{"name":"Udveg","start":"22:59","end":"00:28","startHours":22.975943904718257,"endHours":24.472817356537043,"quality":"inauspicious"},{"name":"Chala","start":"00:28","end":"01:58","startHours":24.472817356537043,"endHours":25.96969080835583,"quality":"neutral"},{"name":"Labha","start":"01:58","end":"03:28","startHours":25.96969080835583,"endHours":27.466564260174614,"quality":"auspicious"},{"name":"Amṛta","start":"03:28","end":"04:58","startHours":27.466564260174614,"endHours":28.9634377119934,"quality":"auspicious"},{"name":"Kāla","start":"04:58","end":"06:28","startHours":28.9634377119934,"endHours":30.460311163812186,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:28","end":"07:28","startHours":6.460311163812187,"endHours":7.460311163812187,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:28","end":"08:28","startHours":7.460311163812187,"endHours":8.460311163812186,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:28","end":"09:28","startHours":8.460311163812186,"endHours":9.460311163812186,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:28","end":"10:28","startHours":9.460311163812186,"endHours":10.460311163812186,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:28","end":"11:28","startHours":10.460311163812186,"endHours":11.460311163812186,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:28","end":"12:28","startHours":11.460311163812186,"endHours":12.460311163812186,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:28","end":"13:28","startHours":12.460311163812186,"endHours":13.460311163812186,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:28","end":"14:28","startHours":13.460311163812186,"endHours":14.460311163812186,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:28","end":"15:28","startHours":14.460311163812186,"endHours":15.460311163812186,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:28","end":"16:28","startHours":15.460311163812186,"endHours":16.460311163812186,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:28","end":"17:28","startHours":16.460311163812186,"endHours":17.460311163812186,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:28","end":"18:28","startHours":17.460311163812186,"endHours":18.460311163812186,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:28","end":"19:28","startHours":18.460311163812186,"endHours":19.460311163812186,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:28","end":"20:28","startHours":19.460311163812186,"endHours":20.460311163812186,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:28","end":"21:28","startHours":20.460311163812186,"endHours":21.460311163812186,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:28","end":"22:28","startHours":21.460311163812186,"endHours":22.460311163812186,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:28","end":"23:28","startHours":22.460311163812186,"endHours":23.460311163812186,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:28","end":"00:28","startHours":23.460311163812186,"endHours":24.460311163812186,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:28","end":"01:28","startHours":24.460311163812186,"endHours":25.460311163812186,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:28","end":"02:28","startHours":25.460311163812186,"endHours":26.460311163812186,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:28","end":"03:28","startHours":26.460311163812186,"endHours":27.460311163812186,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:28","end":"04:28","startHours":27.460311163812186,"endHours":28.460311163812186,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:28","end":"05:28","startHours":28.460311163812186,"endHours":29.460311163812186,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:28","end":"06:28","startHours":29.460311163812186,"endHours":30.460311163812186,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"North","anandadiYoga":{"name":"Mṛtyu","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":-1.4441969040949783,"eotMinutes":-9.063841392222612,"ayanamsa":23.5905}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Śukla Pakṣa","solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Dvādaśī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[{"id":"mina-sankranti","name":"Mīna Saṅkrānti","name_sanskrit":"मीन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Pisces; Mīna-māsa begins.","vrata":false,"detection":{"sun_rashi":"Mīna"},"precedence":5}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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 March 17, 1981 CE · Mathurā · Vidhyamitra","description":"March 17, 1981 CE for Mathurā: Śukla Dvādaśī, sūryodaya 06:28, sūryāsta 18:29.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/mathura/1981-03-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/mathura/1981-03-17","sa":"https://sa.vidhyamitra.com/city/mathura/1981-03-17","hi":"https://hi.vidhyamitra.com/city/mathura/1981-03-17","x-default":"https://vidhyamitra.com/city/mathura/1981-03-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T16:28:58.024Z","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":"2026-05-14T16:28:58.024Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T16:28:58.024Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}