{"id":"vidhyamitra:city-day:mathura:1931-07-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/mathura/1931-07-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1931-07-28","date_display":"July 28, 1931 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":1931,"month":7,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2426550.770833,"kali_year":5033,"ahargana":1838085.2708,"sun":{"sidereal_longitude":100.7671,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":264.1372,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":163.3701,"elapsed_within_tithi_degrees":7.3701},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4,"moon_longitude":264.1372,"elapsed_within_degrees":10.8039},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":4.9043},"karana":{"half_tithi_index":27,"name":"Vaṇija"},"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":1931,"month":7,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2426550.770833,"ahargana":1838085.2708,"kali_year":5033,"ayanamsa_lahiri":22.8971,"grahas":{"sun":{"sidereal_longitude":101.11507399999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"moon":{"sidereal_longitude":263.684174,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false,"latitude":-4.4846},"mars":{"sidereal_longitude":155.21817399999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":126.78077400000001,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":100.09597400000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"venus":{"sidereal_longitude":90.59677399999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":266.431474,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":349.3969,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":169.3969,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","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":1931,"month":7,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2426550.770833,"kali_year":5033,"ahargana":1838085.2708,"sun":{"sidereal_longitude":100.7671,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":264.1372,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":163.3701,"elapsed_within_tithi_degrees":7.3701},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4,"moon_longitude":264.1372,"elapsed_within_degrees":10.8039},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":4.9043},"karana":{"half_tithi_index":27,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.485,"elongation":163.37},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.485,"opposition_distance":16.63}},"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":"05:40","sunsetLocal":"19:11","solarNoonLocal":"12:25","dayLengthHours":13.53115868691171,"dayLengthDisplay":"13 Hours 31 Mins 52 Secs","nightLengthDisplay":"10 Hours 28 Mins 08 Secs","moonriseLocal":"18:02","moonsetLocal":"04:29","rahuKala":{"name":"Rāhu Kāla","start":"15:48","end":"17:30","startHours":15.807382216334613,"endHours":17.498777052198577,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:03","end":"10:44","startHours":9.041802872878758,"endHours":10.733197708742722,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:25","end":"14:07","startHours":12.424592544606686,"endHours":14.11598738047065,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:49","end":"09:16","startHours":8.816283561430229,"endHours":9.267322184327288,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:13","end":"06:35","startHours":6.222811479772152,"endHours":6.583642378089797,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:58","end":"12:53","startHours":11.973553921709629,"endHours":12.875631167503743,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:51","end":"04:45","startHours":3.854858709562603,"endHours":4.756935955356717,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:32","end":"05:40","startHours":4.531416643908188,"endHours":5.659013201150831,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:41","end":"15:35","startHours":14.679785659091971,"endHours":15.581862904886085,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:59","end":"19:23","startHours":18.99017188806254,"endHours":19.39017188806254,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:11","end":"19:45","startHours":19.19017188806254,"endHours":19.75397016668386,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:56","end":"20:41","startHours":18.94017188806254,"endHours":20.69017188806254,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:58","end":"00:53","startHours":23.97355392170963,"endHours":24.87563116750374,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:40","end":"07:21","startHours":5.659013201150831,"endHours":7.350408037014795,"quality":"inauspicious"},{"name":"Udveg","start":"07:21","end":"09:03","startHours":7.350408037014795,"endHours":9.041802872878758,"quality":"inauspicious"},{"name":"Chala","start":"09:03","end":"10:44","startHours":9.041802872878758,"endHours":10.733197708742722,"quality":"neutral"},{"name":"Labha","start":"10:44","end":"12:25","startHours":10.733197708742722,"endHours":12.424592544606686,"quality":"auspicious"},{"name":"Amṛta","start":"12:25","end":"14:07","startHours":12.424592544606686,"endHours":14.11598738047065,"quality":"auspicious"},{"name":"Kāla","start":"14:07","end":"15:48","startHours":14.11598738047065,"endHours":15.807382216334613,"quality":"inauspicious"},{"name":"Śubha","start":"15:48","end":"17:30","startHours":15.807382216334613,"endHours":17.498777052198577,"quality":"auspicious"},{"name":"Roga","start":"17:30","end":"19:11","startHours":17.498777052198577,"endHours":19.19017188806254,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"19:11","end":"20:30","startHours":19.19017188806254,"endHours":20.498777052198577,"quality":"inauspicious"},{"name":"Śubha","start":"20:30","end":"21:48","startHours":20.498777052198577,"endHours":21.807382216334613,"quality":"auspicious"},{"name":"Roga","start":"21:48","end":"23:07","startHours":21.807382216334613,"endHours":23.11598738047065,"quality":"inauspicious"},{"name":"Udveg","start":"23:07","end":"00:25","startHours":23.11598738047065,"endHours":24.424592544606686,"quality":"inauspicious"},{"name":"Chala","start":"00:25","end":"01:44","startHours":24.424592544606686,"endHours":25.733197708742722,"quality":"neutral"},{"name":"Labha","start":"01:44","end":"03:03","startHours":25.733197708742722,"endHours":27.04180287287876,"quality":"auspicious"},{"name":"Amṛta","start":"03:03","end":"04:21","startHours":27.04180287287876,"endHours":28.350408037014795,"quality":"auspicious"},{"name":"Kāla","start":"04:21","end":"05:40","startHours":28.350408037014795,"endHours":29.65901320115083,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:40","end":"06:40","startHours":5.659013201150831,"endHours":6.659013201150831,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:40","end":"07:40","startHours":6.659013201150831,"endHours":7.659013201150831,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:40","end":"08:40","startHours":7.659013201150831,"endHours":8.659013201150831,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:40","end":"09:40","startHours":8.659013201150831,"endHours":9.659013201150831,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:40","end":"10:40","startHours":9.659013201150831,"endHours":10.659013201150831,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:40","end":"11:40","startHours":10.659013201150831,"endHours":11.659013201150831,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:40","end":"12:40","startHours":11.659013201150831,"endHours":12.659013201150831,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:40","end":"13:40","startHours":12.659013201150831,"endHours":13.659013201150831,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:40","end":"14:40","startHours":13.659013201150831,"endHours":14.659013201150831,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:40","end":"15:40","startHours":14.659013201150831,"endHours":15.659013201150831,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:40","end":"16:40","startHours":15.659013201150831,"endHours":16.65901320115083,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:40","end":"17:40","startHours":16.65901320115083,"endHours":17.65901320115083,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:40","end":"18:40","startHours":17.65901320115083,"endHours":18.65901320115083,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:40","end":"19:40","startHours":18.65901320115083,"endHours":19.65901320115083,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:40","end":"20:40","startHours":19.65901320115083,"endHours":20.65901320115083,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:40","end":"21:40","startHours":20.65901320115083,"endHours":21.65901320115083,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:40","end":"22:40","startHours":21.65901320115083,"endHours":22.65901320115083,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:40","end":"23:40","startHours":22.65901320115083,"endHours":23.65901320115083,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:40","end":"00:40","startHours":23.65901320115083,"endHours":24.65901320115083,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:40","end":"01:40","startHours":24.65901320115083,"endHours":25.65901320115083,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:40","end":"02:40","startHours":25.65901320115083,"endHours":26.65901320115083,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:40","end":"03:40","startHours":26.65901320115083,"endHours":27.65901320115083,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:40","end":"04:40","startHours":27.65901320115083,"endHours":28.65901320115083,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:40","end":"05:40","startHours":28.65901320115083,"endHours":29.65901320115083,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"North","anandadiYoga":{"name":"Dhātṛ","quality":"Auspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":19.24983278563957,"eotMinutes":-6.170352676401169,"ayanamsa":22.8971}},"calendars":{"vikram_samvat":1988,"vikram_samvatsara":"Tāraṇa","saka_samvat":1853,"saka_samvatsara":"Prajāpati","bengali_samvat":1338,"malayalam_era":1107,"nanakshahi_year":462,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Caturdaśī · Vikram 1988 Tāraṇa · Śaka 1853 Prajāpati"},"festivals":[{"id":"karka-sankranti","name":"Karka Saṅkrānti (Dakṣiṇāyana)","name_sanskrit":"कर्क सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Cancer; Dakṣiṇāyana (south-going) begins. Devatā-rātri begins.","vrata":true,"detection":{"sun_rashi":"Karka"},"precedence":2}],"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 July 28, 1931 CE · Mathurā · Vidhyamitra","description":"July 28, 1931 CE for Mathurā: Śukla Caturdaśī, sūryodaya 05:40, sūryāsta 19:11.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/mathura/1931-07-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/mathura/1931-07-28","sa":"https://sa.vidhyamitra.com/city/mathura/1931-07-28","hi":"https://hi.vidhyamitra.com/city/mathura/1931-07-28","x-default":"https://vidhyamitra.com/city/mathura/1931-07-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T17:14:14.124Z","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":"2026-05-14T17:14:14.124Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T17:14:14.124Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}