{"id":"vidhyamitra:city-day:vrindavan:2131-07-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/2131-07-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2131-07-28","date_display":"July 28, 2131 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":2131,"month":7,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2499599.770833,"kali_year":5233,"ahargana":1911134.2708,"sun":{"sidereal_longitude":98.1553,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":143.8944,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":45.7391,"elapsed_within_tithi_degrees":9.7391},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":143.8944,"elapsed_within_degrees":10.5611},"yoga":{"number":19,"name":"Parigha","sum_longitude":242.0497},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":2131,"month":7,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2499599.770833,"ahargana":1911134.2708,"kali_year":5233,"ayanamsa_lahiri":25.6909,"grahas":{"sun":{"sidereal_longitude":98.969965,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"moon":{"sidereal_longitude":142.699865,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false,"latitude":4.0771},"mars":{"sidereal_longitude":358.805665,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":83.90516500000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":53.914364999999975,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":100.755065,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":192.29306499999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":78.9093,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":258.9093,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","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":2131,"month":7,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2499599.770833,"kali_year":5233,"ahargana":1911134.2708,"sun":{"sidereal_longitude":98.1553,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":143.8944,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":45.7391,"elapsed_within_tithi_degrees":9.7391},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":143.8944,"elapsed_within_degrees":10.5611},"yoga":{"number":19,"name":"Parigha","sum_longitude":242.0497},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.077,"elongation":45.739},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.077,"opposition_distance":134.261}},"eclipse_window_40days":[{"offset_days":-4,"type":"solar","occurs":true,"moon_latitude":0.962,"elongation":2.89}]},"city":{"slug":"vrindavan","name":"Vṛndāvana","lat":27.565,"lon":77.6593,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"vrindavan","name":"Vṛndāvana","lat":27.565,"lon":77.6593,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"05:40","sunsetLocal":"19:11","solarNoonLocal":"12:26","dayLengthHours":13.523243052794196,"dayLengthDisplay":"13 Hours 31 Mins 24 Secs","nightLengthDisplay":"10 Hours 28 Mins 36 Secs","moonriseLocal":"09:08","moonsetLocal":"21:33","rahuKala":{"name":"Rāhu Kāla","start":"09:03","end":"10:44","startHours":9.044741781408138,"endHours":10.735147163007412,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:07","end":"15:48","startHours":14.115957926205962,"endHours":15.806363307805235,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:40","end":"07:21","startHours":5.663931018209589,"endHours":7.354336399808863,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:49","end":"09:16","startHours":8.819354397194902,"endHours":9.270129165621375,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:14","end":"06:35","startHours":6.227399478742681,"endHours":6.5880192934838595,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:58","end":"12:53","startHours":11.974777776180213,"endHours":12.87632731303316,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:52","end":"04:46","startHours":3.8608319445036963,"endHours":4.762381481356643,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:32","end":"05:40","startHours":4.536994097143406,"endHours":5.663931018209589,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:41","end":"15:35","startHours":14.679426386739053,"endHours":15.580975923592,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:59","end":"19:23","startHours":18.987174071003786,"endHours":19.387174071003784,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:11","end":"19:45","startHours":19.187174071003785,"endHours":19.750642531536876,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:56","end":"20:41","startHours":18.937174071003785,"endHours":20.687174071003785,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:58","end":"00:53","startHours":23.974777776180215,"endHours":24.876327313033162,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:40","end":"07:21","startHours":5.663931018209589,"endHours":7.354336399808863,"quality":"inauspicious"},{"name":"Śubha","start":"07:21","end":"09:03","startHours":7.354336399808863,"endHours":9.044741781408138,"quality":"auspicious"},{"name":"Roga","start":"09:03","end":"10:44","startHours":9.044741781408138,"endHours":10.735147163007412,"quality":"inauspicious"},{"name":"Udveg","start":"10:44","end":"12:26","startHours":10.735147163007412,"endHours":12.425552544606688,"quality":"inauspicious"},{"name":"Chala","start":"12:26","end":"14:07","startHours":12.425552544606688,"endHours":14.115957926205962,"quality":"neutral"},{"name":"Labha","start":"14:07","end":"15:48","startHours":14.115957926205962,"endHours":15.806363307805235,"quality":"auspicious"},{"name":"Amṛta","start":"15:48","end":"17:30","startHours":15.806363307805235,"endHours":17.49676868940451,"quality":"auspicious"},{"name":"Kāla","start":"17:30","end":"19:11","startHours":17.49676868940451,"endHours":19.187174071003785,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"19:11","end":"20:30","startHours":19.187174071003785,"endHours":20.49676868940451,"quality":"auspicious"},{"name":"Amṛta","start":"20:30","end":"21:48","startHours":20.49676868940451,"endHours":21.806363307805235,"quality":"auspicious"},{"name":"Kāla","start":"21:48","end":"23:07","startHours":21.806363307805235,"endHours":23.11595792620596,"quality":"inauspicious"},{"name":"Śubha","start":"23:07","end":"00:26","startHours":23.11595792620596,"endHours":24.42555254460669,"quality":"auspicious"},{"name":"Roga","start":"00:26","end":"01:44","startHours":24.42555254460669,"endHours":25.73514716300741,"quality":"inauspicious"},{"name":"Udveg","start":"01:44","end":"03:03","startHours":25.73514716300741,"endHours":27.04474178140814,"quality":"inauspicious"},{"name":"Chala","start":"03:03","end":"04:21","startHours":27.04474178140814,"endHours":28.354336399808865,"quality":"neutral"},{"name":"Labha","start":"04:21","end":"05:40","startHours":28.354336399808865,"endHours":29.66393101820959,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:40","end":"06:40","startHours":5.663931018209589,"endHours":6.663931018209589,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:40","end":"07:40","startHours":6.663931018209589,"endHours":7.663931018209589,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:40","end":"08:40","startHours":7.663931018209589,"endHours":8.663931018209588,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:40","end":"09:40","startHours":8.663931018209588,"endHours":9.663931018209588,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:40","end":"10:40","startHours":9.663931018209588,"endHours":10.663931018209588,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:40","end":"11:40","startHours":10.663931018209588,"endHours":11.663931018209588,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:40","end":"12:40","startHours":11.663931018209588,"endHours":12.663931018209588,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:40","end":"13:40","startHours":12.663931018209588,"endHours":13.663931018209588,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:40","end":"14:40","startHours":13.663931018209588,"endHours":14.663931018209588,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:40","end":"15:40","startHours":14.663931018209588,"endHours":15.663931018209588,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:40","end":"16:40","startHours":15.663931018209588,"endHours":16.66393101820959,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:40","end":"17:40","startHours":16.66393101820959,"endHours":17.66393101820959,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:40","end":"18:40","startHours":17.66393101820959,"endHours":18.66393101820959,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:40","end":"19:40","startHours":18.66393101820959,"endHours":19.66393101820959,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:40","end":"20:40","startHours":19.66393101820959,"endHours":20.66393101820959,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:40","end":"21:40","startHours":20.66393101820959,"endHours":21.66393101820959,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:40","end":"22:40","startHours":21.66393101820959,"endHours":22.66393101820959,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:40","end":"23:40","startHours":22.66393101820959,"endHours":23.66393101820959,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:40","end":"00:40","startHours":23.66393101820959,"endHours":24.66393101820959,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:40","end":"01:40","startHours":24.66393101820959,"endHours":25.66393101820959,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:40","end":"02:40","startHours":25.66393101820959,"endHours":26.66393101820959,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:40","end":"03:40","startHours":26.66393101820959,"endHours":27.66393101820959,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:40","end":"04:40","startHours":27.66393101820959,"endHours":28.66393101820959,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:40","end":"05:40","startHours":28.66393101820959,"endHours":29.66393101820959,"planetary_lord":"Mercury"}],"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","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"West","rahuVasa":"East","anandadiYoga":{"name":"Dhvaja","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":19.095758782081177,"eotMinutes":-6.170352676401169,"ayanamsa":25.6909}},"calendars":{"vikram_samvat":2188,"vikram_samvatsara":"Krodhi","saka_samvat":2053,"saka_samvatsara":"Khara","bengali_samvat":1538,"malayalam_era":1307,"nanakshahi_year":662,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Caturthī · Vikram 2188 Krodhi · Śaka 2053 Khara"},"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},{"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":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"vrindavan"},"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, 2131 CE · Vṛndāvana · Vidhyamitra","description":"July 28, 2131 CE for Vṛndāvana: Śukla Caturthī, sūryodaya 05:40, sūryāsta 19:11.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/2131-07-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/2131-07-28","sa":"https://sa.vidhyamitra.com/city/vrindavan/2131-07-28","hi":"https://hi.vidhyamitra.com/city/vrindavan/2131-07-28","x-default":"https://vidhyamitra.com/city/vrindavan/2131-07-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-24T11:19:57.650Z","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":"2026-05-24T11:19:57.650Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-24T11:19:57.650Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}