{"id":"vidhyamitra:city-day:ayodhya:2021-08-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2021-08-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2021-08-21","date_display":"August 21, 2021 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":2021,"month":8,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2459447.770833,"kali_year":5123,"ahargana":1870982.2708,"sun":{"sidereal_longitude":123.3772,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":286.4381,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":163.061,"elapsed_within_tithi_degrees":7.061},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2,"moon_longitude":286.4381,"elapsed_within_degrees":6.4381},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":49.8153},"karana":{"half_tithi_index":27,"name":"Vaṇija"},"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":2021,"month":8,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2459447.770833,"ahargana":1870982.2708,"kali_year":5123,"ayanamsa_lahiri":24.1553,"grahas":{"sun":{"sidereal_longitude":124.071166,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":285.354566,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false,"latitude":-3.8994},"mars":{"sidereal_longitude":139.52056600000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":141.44786599999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":302.9039660000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":161.26896599999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":284.70026600000006,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":46.3555,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":226.3555,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"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":2021,"month":8,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2459447.770833,"kali_year":5123,"ahargana":1870982.2708,"sun":{"sidereal_longitude":123.3772,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":286.4381,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":163.061,"elapsed_within_tithi_degrees":7.061},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2,"moon_longitude":286.4381,"elapsed_within_degrees":6.4381},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":49.8153},"karana":{"half_tithi_index":27,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.899,"elongation":163.061},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.899,"opposition_distance":16.939}},"eclipse_window_40days":[]},"city":{"slug":"ayodhya","name":"Ayodhyā","lat":26.799,"lon":82.204,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"ayodhya","name":"Ayodhyā","lat":26.799,"lon":82.204,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"05:35","sunsetLocal":"18:33","solarNoonLocal":"12:04","dayLengthHours":12.956223724649533,"dayLengthDisplay":"12 Hours 57 Mins 22 Secs","nightLengthDisplay":"11 Hours 02 Mins 38 Secs","moonriseLocal":"17:24","moonsetLocal":"04:14","rahuKala":{"name":"Rāhu Kāla","start":"08:50","end":"10:27","startHours":8.82730895743753,"endHours":10.446836923018722,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:41","end":"15:18","startHours":13.685892854181105,"endHours":15.305420819762297,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:35","end":"07:12","startHours":5.588253026275147,"endHours":7.207780991856339,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:37","end":"09:03","startHours":8.611371895360039,"endHours":9.043246019515022,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:08","end":"06:28","startHours":6.128095681468878,"endHours":6.473594980792866,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:38","end":"12:30","startHours":11.63449076444493,"endHours":12.498239012754897,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:52","end":"04:43","startHours":3.8607565296552098,"endHours":4.724504777965178,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:31","end":"05:35","startHours":4.508567715887686,"endHours":5.588253026275147,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:14","end":"15:05","startHours":14.225735509374836,"endHours":15.089483757684805,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:21","end":"18:45","startHours":18.34447675092468,"endHours":18.74447675092468,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:33","end":"19:05","startHours":18.54447675092468,"endHours":19.08431940611841,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:18","end":"20:03","startHours":18.29447675092468,"endHours":20.04447675092468,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:38","end":"00:30","startHours":23.63449076444493,"endHours":24.498239012754897,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:35","end":"07:12","startHours":5.588253026275147,"endHours":7.207780991856339,"quality":"inauspicious"},{"name":"Śubha","start":"07:12","end":"08:50","startHours":7.207780991856339,"endHours":8.82730895743753,"quality":"auspicious"},{"name":"Roga","start":"08:50","end":"10:27","startHours":8.82730895743753,"endHours":10.446836923018722,"quality":"inauspicious"},{"name":"Udveg","start":"10:27","end":"12:04","startHours":10.446836923018722,"endHours":12.066364888599914,"quality":"inauspicious"},{"name":"Chala","start":"12:04","end":"13:41","startHours":12.066364888599914,"endHours":13.685892854181105,"quality":"neutral"},{"name":"Labha","start":"13:41","end":"15:18","startHours":13.685892854181105,"endHours":15.305420819762297,"quality":"auspicious"},{"name":"Amṛta","start":"15:18","end":"16:55","startHours":15.305420819762297,"endHours":16.92494878534349,"quality":"auspicious"},{"name":"Kāla","start":"16:55","end":"18:33","startHours":16.92494878534349,"endHours":18.54447675092468,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:33","end":"19:55","startHours":18.54447675092468,"endHours":19.92494878534349,"quality":"auspicious"},{"name":"Amṛta","start":"19:55","end":"21:18","startHours":19.92494878534349,"endHours":21.305420819762297,"quality":"auspicious"},{"name":"Kāla","start":"21:18","end":"22:41","startHours":21.305420819762297,"endHours":22.685892854181105,"quality":"inauspicious"},{"name":"Śubha","start":"22:41","end":"00:04","startHours":22.685892854181105,"endHours":24.066364888599914,"quality":"auspicious"},{"name":"Roga","start":"00:04","end":"01:27","startHours":24.066364888599914,"endHours":25.446836923018722,"quality":"inauspicious"},{"name":"Udveg","start":"01:27","end":"02:50","startHours":25.446836923018722,"endHours":26.82730895743753,"quality":"inauspicious"},{"name":"Chala","start":"02:50","end":"04:12","startHours":26.82730895743753,"endHours":28.20778099185634,"quality":"neutral"},{"name":"Labha","start":"04:12","end":"05:35","startHours":28.20778099185634,"endHours":29.588253026275147,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:35","end":"06:35","startHours":5.588253026275147,"endHours":6.588253026275147,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:35","end":"07:35","startHours":6.588253026275147,"endHours":7.588253026275147,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:35","end":"08:35","startHours":7.588253026275147,"endHours":8.588253026275147,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:35","end":"09:35","startHours":8.588253026275147,"endHours":9.588253026275147,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:35","end":"10:35","startHours":9.588253026275147,"endHours":10.588253026275147,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:35","end":"11:35","startHours":10.588253026275147,"endHours":11.588253026275147,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:35","end":"12:35","startHours":11.588253026275147,"endHours":12.588253026275147,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:35","end":"13:35","startHours":12.588253026275147,"endHours":13.588253026275147,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:35","end":"14:35","startHours":13.588253026275147,"endHours":14.588253026275147,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:35","end":"15:35","startHours":14.588253026275147,"endHours":15.588253026275147,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:35","end":"16:35","startHours":15.588253026275147,"endHours":16.588253026275147,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:35","end":"17:35","startHours":16.588253026275147,"endHours":17.588253026275147,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:35","end":"18:35","startHours":17.588253026275147,"endHours":18.588253026275147,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:35","end":"19:35","startHours":18.588253026275147,"endHours":19.588253026275147,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:35","end":"20:35","startHours":19.588253026275147,"endHours":20.588253026275147,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:35","end":"21:35","startHours":20.588253026275147,"endHours":21.588253026275147,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:35","end":"22:35","startHours":21.588253026275147,"endHours":22.588253026275147,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:35","end":"23:35","startHours":22.588253026275147,"endHours":23.588253026275147,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:35","end":"00:35","startHours":23.588253026275147,"endHours":24.588253026275147,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:35","end":"01:35","startHours":24.588253026275147,"endHours":25.588253026275147,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:35","end":"02:35","startHours":25.588253026275147,"endHours":26.588253026275147,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:35","end":"03:35","startHours":26.588253026275147,"endHours":27.588253026275147,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:35","end":"04:35","startHours":27.588253026275147,"endHours":28.588253026275147,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:35","end":"05:35","startHours":28.588253026275147,"endHours":29.588253026275147,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"East","anandadiYoga":{"name":"Kāṇa","quality":"Inauspicious"},"drikRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":12.089024761944286,"eotMinutes":-2.7978933159948465,"ayanamsa":24.1553}},"calendars":{"vikram_samvat":2078,"vikram_samvatsara":"Ānanda","saka_samvat":1943,"saka_samvatsara":"Plava","bengali_samvat":1428,"malayalam_era":1197,"nanakshahi_year":552,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Caturdaśī · Vikram 2078 Ānanda · Śaka 1943 Plava"},"festivals":[{"id":"onam","name":"Onam (Vāmana / King Bali)","name_sanskrit":"ओणम् (वामन-बलि स्मरण)","tradition":"Regional","associated_deity":"Vāmana + King Bali","significance":"Kerala festival; King Bali's annual return to Kerala. Aligned with Thiru-Onam (Śravaṇa nakshatra in Bhādrapada).","vrata":false,"detection":{"nakshatra_name":"Śravaṇa","lunar_month":"Bhādrapada"},"precedence":2},{"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":"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":"ayodhya"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga August 21, 2021 CE · Ayodhyā · Vidhyamitra","description":"August 21, 2021 CE for Ayodhyā: Śukla Caturdaśī, sūryodaya 05:35, sūryāsta 18:33.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2021-08-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2021-08-21","sa":"https://sa.vidhyamitra.com/city/ayodhya/2021-08-21","hi":"https://hi.vidhyamitra.com/city/ayodhya/2021-08-21","x-default":"https://vidhyamitra.com/city/ayodhya/2021-08-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T05:51:31.966Z","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":"2026-05-15T05:51:31.966Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T05:51:31.966Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}