{"id":"vidhyamitra:city-day:mathura:1971-08-22:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/mathura/1971-08-22","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1971-08-22","date_display":"August 22, 1971 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":1971,"month":8,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441185.770833,"kali_year":5073,"ahargana":1852720.2708,"sun":{"sidereal_longitude":124.2761,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":138.7215,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":14.4454,"elapsed_within_tithi_degrees":2.4454},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2,"moon_longitude":138.7215,"elapsed_within_degrees":5.3881},"yoga":{"number":20,"name":"Śiva","sum_longitude":262.9975},"karana":{"half_tithi_index":2,"name":"Bālava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":1971,"month":8,"day":22,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2441185.770833,"ahargana":1852720.2708,"kali_year":5073,"ayanamsa_lahiri":23.4568,"grahas":{"sun":{"sidereal_longitude":124.85260900000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":136.87960899999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false,"latitude":-1.8829},"mars":{"sidereal_longitude":290.956009,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":true},"mercury":{"sidereal_longitude":133.780709,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":215.07660899999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":123.68350899999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":42.73900900000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":293.9641,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":113.9641,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":1971,"month":8,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441185.770833,"kali_year":5073,"ahargana":1852720.2708,"sun":{"sidereal_longitude":124.2761,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":138.7215,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":14.4454,"elapsed_within_tithi_degrees":2.4454},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2,"moon_longitude":138.7215,"elapsed_within_degrees":5.3881},"yoga":{"number":20,"name":"Śiva","sum_longitude":262.9975},"karana":{"half_tithi_index":2,"name":"Bālava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.883,"elongation":14.445},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.883,"opposition_distance":165.555}},"eclipse_window_40days":[{"offset_days":-15,"type":"lunar","occurs":true,"moon_latitude":-0.252,"opposition_distance":1.604},{"offset_days":-1,"type":"solar","occurs":true,"moon_latitude":-0.93,"elongation":2.643}]},"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":"05:52","sunsetLocal":"18:51","solarNoonLocal":"12:22","dayLengthHours":12.980119825315349,"dayLengthDisplay":"12 Hours 58 Mins 48 Secs","nightLengthDisplay":"11 Hours 01 Mins 12 Secs","moonriseLocal":"06:51","moonsetLocal":"19:29","rahuKala":{"name":"Rāhu Kāla","start":"17:14","end":"18:51","startHours":17.231587205557396,"endHours":18.854102183721814,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:22","end":"13:59","startHours":12.36404227106414,"endHours":13.986557249228557,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:37","end":"17:14","startHours":15.609072227392977,"endHours":17.231587205557396,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:54","end":"09:20","startHours":8.90267698431338,"endHours":9.335347645157224,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:25","end":"06:46","startHours":6.414820684461271,"endHours":6.760957213136347,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:56","end":"12:48","startHours":11.931371610220294,"endHours":12.796712931907985,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:09","end":"05:01","startHours":4.143299715031086,"endHours":5.0086410367187755,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:48","end":"05:52","startHours":4.792305706296853,"endHours":5.873982358406465,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:32","end":"15:24","startHours":14.527395575283364,"endHours":15.392736896971055,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:39","end":"19:03","startHours":18.654102183721815,"endHours":19.054102183721813,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:51","end":"19:24","startHours":18.854102183721814,"endHours":19.39494050977662,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:36","end":"20:21","startHours":18.604102183721814,"endHours":20.354102183721814,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:56","end":"00:48","startHours":23.931371610220296,"endHours":24.796712931907983,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:52","end":"07:30","startHours":5.873982358406465,"endHours":7.496497336570884,"quality":"inauspicious"},{"name":"Chala","start":"07:30","end":"09:07","startHours":7.496497336570884,"endHours":9.119012314735302,"quality":"neutral"},{"name":"Labha","start":"09:07","end":"10:44","startHours":9.119012314735302,"endHours":10.741527292899722,"quality":"auspicious"},{"name":"Amṛta","start":"10:44","end":"12:22","startHours":10.741527292899722,"endHours":12.36404227106414,"quality":"auspicious"},{"name":"Kāla","start":"12:22","end":"13:59","startHours":12.36404227106414,"endHours":13.986557249228557,"quality":"inauspicious"},{"name":"Śubha","start":"13:59","end":"15:37","startHours":13.986557249228557,"endHours":15.609072227392977,"quality":"auspicious"},{"name":"Roga","start":"15:37","end":"17:14","startHours":15.609072227392977,"endHours":17.231587205557396,"quality":"inauspicious"},{"name":"Udveg","start":"17:14","end":"18:51","startHours":17.231587205557396,"endHours":18.854102183721814,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:51","end":"20:14","startHours":18.854102183721814,"endHours":20.231587205557396,"quality":"auspicious"},{"name":"Roga","start":"20:14","end":"21:37","startHours":20.231587205557396,"endHours":21.60907222739298,"quality":"inauspicious"},{"name":"Udveg","start":"21:37","end":"22:59","startHours":21.60907222739298,"endHours":22.986557249228557,"quality":"inauspicious"},{"name":"Chala","start":"22:59","end":"00:22","startHours":22.986557249228557,"endHours":24.36404227106414,"quality":"neutral"},{"name":"Labha","start":"00:22","end":"01:44","startHours":24.36404227106414,"endHours":25.741527292899722,"quality":"auspicious"},{"name":"Amṛta","start":"01:44","end":"03:07","startHours":25.741527292899722,"endHours":27.1190123147353,"quality":"auspicious"},{"name":"Kāla","start":"03:07","end":"04:30","startHours":27.1190123147353,"endHours":28.496497336570883,"quality":"inauspicious"},{"name":"Śubha","start":"04:30","end":"05:52","startHours":28.496497336570883,"endHours":29.873982358406465,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:52","end":"06:52","startHours":5.873982358406465,"endHours":6.873982358406465,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:52","end":"07:52","startHours":6.873982358406465,"endHours":7.873982358406465,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:52","end":"08:52","startHours":7.873982358406465,"endHours":8.873982358406465,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:52","end":"09:52","startHours":8.873982358406465,"endHours":9.873982358406465,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:52","end":"10:52","startHours":9.873982358406465,"endHours":10.873982358406465,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:52","end":"11:52","startHours":10.873982358406465,"endHours":11.873982358406465,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:52","end":"12:52","startHours":11.873982358406465,"endHours":12.873982358406465,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:52","end":"13:52","startHours":12.873982358406465,"endHours":13.873982358406465,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:52","end":"14:52","startHours":13.873982358406465,"endHours":14.873982358406465,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:52","end":"15:52","startHours":14.873982358406465,"endHours":15.873982358406465,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:52","end":"16:52","startHours":15.873982358406465,"endHours":16.873982358406465,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:52","end":"17:52","startHours":16.873982358406465,"endHours":17.873982358406465,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:52","end":"18:52","startHours":17.873982358406465,"endHours":18.873982358406465,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:52","end":"19:52","startHours":18.873982358406465,"endHours":19.873982358406465,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:52","end":"20:52","startHours":19.873982358406465,"endHours":20.873982358406465,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:52","end":"21:52","startHours":20.873982358406465,"endHours":21.873982358406465,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:52","end":"22:52","startHours":21.873982358406465,"endHours":22.873982358406465,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:52","end":"23:52","startHours":22.873982358406465,"endHours":23.873982358406465,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:52","end":"00:52","startHours":23.873982358406465,"endHours":24.873982358406465,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:52","end":"01:52","startHours":24.873982358406465,"endHours":25.873982358406465,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:52","end":"02:52","startHours":25.873982358406465,"endHours":26.873982358406465,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:52","end":"03:52","startHours":26.873982358406465,"endHours":27.873982358406465,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:52","end":"04:52","startHours":27.873982358406465,"endHours":28.873982358406465,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:52","end":"05:52","startHours":28.873982358406465,"endHours":29.873982358406465,"planetary_lord":"Jupiter"}],"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":"West (Paścim)","chandraVasa":"West","rahuVasa":"North-East","anandadiYoga":{"name":"Chatra","quality":"Auspicious"},"drikRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":12.060332154697585,"eotMinutes":-2.537336263848294,"ayanamsa":23.4568}},"calendars":{"vikram_samvat":2028,"vikram_samvatsara":"Raktākṣī","saka_samvat":1893,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1378,"malayalam_era":1147,"nanakshahi_year":502,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Dvitīyā · Vikram 2028 Raktākṣī · Śaka 1893 Virodhakṛt"},"festivals":[{"id":"simha-sankranti","name":"Siṁha Saṅkrānti","name_sanskrit":"सिंह सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Leo.","vrata":false,"detection":{"sun_rashi":"Siṃha"},"precedence":5}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 August 22, 1971 CE · Mathurā · Vidhyamitra","description":"August 22, 1971 CE for Mathurā: Śukla Dvitīyā, sūryodaya 05:52, sūryāsta 18:51.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/mathura/1971-08-22","hreflang_alternates":{"en":"https://vidhyamitra.com/city/mathura/1971-08-22","sa":"https://sa.vidhyamitra.com/city/mathura/1971-08-22","hi":"https://hi.vidhyamitra.com/city/mathura/1971-08-22","x-default":"https://vidhyamitra.com/city/mathura/1971-08-22"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T12:39:49.867Z","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":"2026-05-14T12:39:49.867Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T12:39:49.867Z","pillar_versions":{"BOB-History":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}