{"id":"vidhyamitra:city-day:ayodhya:2172-08-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2172-08-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2172-08-21","date_display":"August 21, 2172 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":2172,"month":8,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514599.770833,"kali_year":5274,"ahargana":1926134.2708,"sun":{"sidereal_longitude":121.3925,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":138.078,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":16.6855,"elapsed_within_tithi_degrees":4.6855},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2,"moon_longitude":138.078,"elapsed_within_degrees":4.7446},"yoga":{"number":20,"name":"Śiva","sum_longitude":259.4704},"karana":{"half_tithi_index":2,"name":"Bālava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":2172,"month":8,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2514599.770833,"ahargana":1926134.2708,"kali_year":5274,"ayanamsa_lahiri":26.2646,"grahas":{"sun":{"sidereal_longitude":122.44385499999999,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":138.85465499999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false,"latitude":3.2386},"mars":{"sidereal_longitude":199.221455,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":133.54265499999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":193.82125500000006,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":80.22555499999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":331.764455,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":4.1371,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":184.1371,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","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":2172,"month":8,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514599.770833,"kali_year":5274,"ahargana":1926134.2708,"sun":{"sidereal_longitude":121.3925,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":138.078,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":16.6855,"elapsed_within_tithi_degrees":4.6855},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2,"moon_longitude":138.078,"elapsed_within_degrees":4.7446},"yoga":{"number":20,"name":"Śiva","sum_longitude":259.4704},"karana":{"half_tithi_index":2,"name":"Bālava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.239,"elongation":16.686},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.239,"opposition_distance":163.314}},"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":"05:36","sunsetLocal":"18:32","solarNoonLocal":"12:04","dayLengthHours":12.944293308875551,"dayLengthDisplay":"12 Hours 56 Mins 39 Secs","nightLengthDisplay":"11 Hours 03 Mins 21 Secs","moonriseLocal":"06:55","moonsetLocal":"19:24","rahuKala":{"name":"Rāhu Kāla","start":"10:27","end":"12:04","startHours":10.448328224990469,"endHours":12.066364888599914,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:18","end":"16:55","startHours":15.3024382158188,"endHours":16.920474879428244,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:13","end":"08:50","startHours":7.212254897771581,"endHours":8.830291561381024,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:37","end":"09:03","startHours":8.614553339566433,"endHours":9.046029783195618,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:08","end":"06:29","startHours":6.133563788698619,"endHours":6.478744943601967,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:38","end":"12:30","startHours":11.634888444970729,"endHours":12.497841332229099,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:52","end":"04:44","startHours":3.8683124596453973,"endHours":4.7312653469037675,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:31","end":"05:36","startHours":4.515527125089175,"endHours":5.594218234162137,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:13","end":"15:05","startHours":14.223747106745837,"endHours":15.086699994004206,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:20","end":"18:44","startHours":18.33851154303769,"endHours":18.73851154303769,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:32","end":"19:05","startHours":18.53851154303769,"endHours":19.07785709757417,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:17","end":"20:02","startHours":18.28851154303769,"endHours":20.03851154303769,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:38","end":"00:30","startHours":23.634888444970727,"endHours":24.4978413322291,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:36","end":"07:13","startHours":5.594218234162137,"endHours":7.212254897771581,"quality":"neutral"},{"name":"Labha","start":"07:13","end":"08:50","startHours":7.212254897771581,"endHours":8.830291561381024,"quality":"auspicious"},{"name":"Amṛta","start":"08:50","end":"10:27","startHours":8.830291561381024,"endHours":10.448328224990469,"quality":"auspicious"},{"name":"Kāla","start":"10:27","end":"12:04","startHours":10.448328224990469,"endHours":12.066364888599914,"quality":"inauspicious"},{"name":"Śubha","start":"12:04","end":"13:41","startHours":12.066364888599914,"endHours":13.684401552209358,"quality":"auspicious"},{"name":"Roga","start":"13:41","end":"15:18","startHours":13.684401552209358,"endHours":15.3024382158188,"quality":"inauspicious"},{"name":"Udveg","start":"15:18","end":"16:55","startHours":15.3024382158188,"endHours":16.920474879428244,"quality":"inauspicious"},{"name":"Chala","start":"16:55","end":"18:32","startHours":16.920474879428244,"endHours":18.53851154303769,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:32","end":"19:55","startHours":18.53851154303769,"endHours":19.920474879428244,"quality":"inauspicious"},{"name":"Udveg","start":"19:55","end":"21:18","startHours":19.920474879428244,"endHours":21.302438215818803,"quality":"inauspicious"},{"name":"Chala","start":"21:18","end":"22:41","startHours":21.302438215818803,"endHours":22.68440155220936,"quality":"neutral"},{"name":"Labha","start":"22:41","end":"00:04","startHours":22.68440155220936,"endHours":24.066364888599914,"quality":"auspicious"},{"name":"Amṛta","start":"00:04","end":"01:27","startHours":24.066364888599914,"endHours":25.44832822499047,"quality":"auspicious"},{"name":"Kāla","start":"01:27","end":"02:50","startHours":25.44832822499047,"endHours":26.830291561381024,"quality":"inauspicious"},{"name":"Śubha","start":"02:50","end":"04:13","startHours":26.830291561381024,"endHours":28.212254897771583,"quality":"auspicious"},{"name":"Roga","start":"04:13","end":"05:36","startHours":28.212254897771583,"endHours":29.59421823416214,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:36","end":"06:36","startHours":5.594218234162137,"endHours":6.594218234162137,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:36","end":"07:36","startHours":6.594218234162137,"endHours":7.594218234162137,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:36","end":"08:36","startHours":7.594218234162137,"endHours":8.594218234162138,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:36","end":"09:36","startHours":8.594218234162138,"endHours":9.594218234162138,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:36","end":"10:36","startHours":9.594218234162138,"endHours":10.594218234162138,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:36","end":"11:36","startHours":10.594218234162138,"endHours":11.594218234162138,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:36","end":"12:36","startHours":11.594218234162138,"endHours":12.594218234162138,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:36","end":"13:36","startHours":12.594218234162138,"endHours":13.594218234162138,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:36","end":"14:36","startHours":13.594218234162138,"endHours":14.594218234162138,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:36","end":"15:36","startHours":14.594218234162138,"endHours":15.594218234162138,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:36","end":"16:36","startHours":15.594218234162138,"endHours":16.59421823416214,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:36","end":"17:36","startHours":16.59421823416214,"endHours":17.59421823416214,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:36","end":"18:36","startHours":17.59421823416214,"endHours":18.59421823416214,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:36","end":"19:36","startHours":18.59421823416214,"endHours":19.59421823416214,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:36","end":"20:36","startHours":19.59421823416214,"endHours":20.59421823416214,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:36","end":"21:36","startHours":20.59421823416214,"endHours":21.59421823416214,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:36","end":"22:36","startHours":21.59421823416214,"endHours":22.59421823416214,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:36","end":"23:36","startHours":22.59421823416214,"endHours":23.59421823416214,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:36","end":"00:36","startHours":23.59421823416214,"endHours":24.59421823416214,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:36","end":"01:36","startHours":24.59421823416214,"endHours":25.59421823416214,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:36","end":"02:36","startHours":25.59421823416214,"endHours":26.59421823416214,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:36","end":"03:36","startHours":26.59421823416214,"endHours":27.59421823416214,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:36","end":"04:36","startHours":27.59421823416214,"endHours":28.59421823416214,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:36","end":"05:36","startHours":28.59421823416214,"endHours":29.59421823416214,"planetary_lord":"Mars"}],"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":"South-East","anandadiYoga":{"name":"Dhūmra","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":11.921974926249671,"eotMinutes":-2.7978933159948465,"ayanamsa":26.2646}},"calendars":{"vikram_samvat":2229,"vikram_samvatsara":"Pārthiva","saka_samvat":2094,"saka_samvatsara":"Aṅgirasa","bengali_samvat":1579,"malayalam_era":1348,"nanakshahi_year":703,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Dvitīyā · Vikram 2229 Pārthiva · Śaka 2094 Aṅgirasa"},"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":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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, 2172 CE · Ayodhyā · Vidhyamitra","description":"August 21, 2172 CE for Ayodhyā: Śukla Dvitīyā, sūryodaya 05:36, sūryāsta 18:32.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2172-08-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2172-08-21","sa":"https://sa.vidhyamitra.com/city/ayodhya/2172-08-21","hi":"https://hi.vidhyamitra.com/city/ayodhya/2172-08-21","x-default":"https://vidhyamitra.com/city/ayodhya/2172-08-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-21T03:53:49.703Z","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":"2026-05-21T03:53:49.703Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-21T03:53:49.703Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}