{"id":"vidhyamitra:city-day:ayodhya:2121-05-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2121-05-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2121-05-21","date_display":"May 21, 2121 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":2121,"month":5,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2495879.770833,"kali_year":5223,"ahargana":1907414.2708,"sun":{"sidereal_longitude":34.1796,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":87.7252,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":53.5456,"elapsed_within_tithi_degrees":5.5456},"nakshatra":{"number":7,"name":"Punarvasu","pada":3,"moon_longitude":87.7252,"elapsed_within_degrees":7.7252},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":121.9049},"karana":{"half_tithi_index":8,"name":"Bava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2121,"month":5,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2495879.770833,"ahargana":1907414.2708,"kali_year":5223,"ayanamsa_lahiri":25.5486,"grahas":{"sun":{"sidereal_longitude":34.508196,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":87.03049599999997,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false,"latitude":0.648},"mars":{"sidereal_longitude":119.73629600000004,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":24.474695999999994,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":88.65979600000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"venus":{"sidereal_longitude":347.53819599999997,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":66.092196,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":276.0128,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":96.0128,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"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":2121,"month":5,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2495879.770833,"kali_year":5223,"ahargana":1907414.2708,"sun":{"sidereal_longitude":34.1796,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":87.7252,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":53.5456,"elapsed_within_tithi_degrees":5.5456},"nakshatra":{"number":7,"name":"Punarvasu","pada":3,"moon_longitude":87.7252,"elapsed_within_degrees":7.7252},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":121.9049},"karana":{"half_tithi_index":8,"name":"Bava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.648,"elongation":53.546},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.648,"opposition_distance":126.454}},"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":"05:11","sunsetLocal":"18:44","solarNoonLocal":"11:58","dayLengthHours":13.560070949150152,"dayLengthDisplay":"13 Hours 33 Mins 36 Secs","nightLengthDisplay":"10 Hours 26 Mins 24 Secs","moonriseLocal":"08:39","moonsetLocal":"22:17","rahuKala":{"name":"Rāhu Kāla","start":"11:58","end":"13:39","startHours":11.9607430369587,"endHours":13.655751905602468,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:53","end":"08:34","startHours":6.875716431027392,"endHours":8.57072529967116,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:16","end":"11:58","startHours":10.26573416831493,"endHours":11.9607430369587,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:21","end":"08:48","startHours":8.344724117185326,"endHours":8.796726482156997,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:45","end":"06:06","startHours":5.745710518598213,"endHours":6.107312410575551,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:31","end":"12:25","startHours":11.508740671987029,"endHours":12.412745401930371,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:22","end":"04:17","startHours":3.372698102496936,"endHours":4.27670283244028,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:03","end":"05:11","startHours":4.050701649954444,"endHours":5.180707562383623,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:13","end":"15:07","startHours":14.220754861817056,"endHours":15.1247595917604,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:32","end":"18:56","startHours":18.540778511533777,"endHours":18.940778511533775,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:44","end":"19:18","startHours":18.740778511533776,"endHours":19.305781467748364,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:29","end":"20:14","startHours":18.490778511533776,"endHours":20.240778511533776,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:31","end":"00:25","startHours":23.508740671987027,"endHours":24.412745401930373,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:11","end":"06:53","startHours":5.180707562383623,"endHours":6.875716431027392,"quality":"auspicious"},{"name":"Amṛta","start":"06:53","end":"08:34","startHours":6.875716431027392,"endHours":8.57072529967116,"quality":"auspicious"},{"name":"Kāla","start":"08:34","end":"10:16","startHours":8.57072529967116,"endHours":10.26573416831493,"quality":"inauspicious"},{"name":"Śubha","start":"10:16","end":"11:58","startHours":10.26573416831493,"endHours":11.9607430369587,"quality":"auspicious"},{"name":"Roga","start":"11:58","end":"13:39","startHours":11.9607430369587,"endHours":13.655751905602468,"quality":"inauspicious"},{"name":"Udveg","start":"13:39","end":"15:21","startHours":13.655751905602468,"endHours":15.350760774246236,"quality":"inauspicious"},{"name":"Chala","start":"15:21","end":"17:03","startHours":15.350760774246236,"endHours":17.045769642890008,"quality":"neutral"},{"name":"Labha","start":"17:03","end":"18:44","startHours":17.045769642890008,"endHours":18.740778511533776,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:44","end":"20:03","startHours":18.740778511533776,"endHours":20.045769642890008,"quality":"inauspicious"},{"name":"Chala","start":"20:03","end":"21:21","startHours":20.045769642890008,"endHours":21.35076077424624,"quality":"neutral"},{"name":"Labha","start":"21:21","end":"22:39","startHours":21.35076077424624,"endHours":22.655751905602468,"quality":"auspicious"},{"name":"Amṛta","start":"22:39","end":"23:58","startHours":22.655751905602468,"endHours":23.9607430369587,"quality":"auspicious"},{"name":"Kāla","start":"23:58","end":"01:16","startHours":23.9607430369587,"endHours":25.265734168314932,"quality":"inauspicious"},{"name":"Śubha","start":"01:16","end":"02:34","startHours":25.265734168314932,"endHours":26.57072529967116,"quality":"auspicious"},{"name":"Roga","start":"02:34","end":"03:53","startHours":26.57072529967116,"endHours":27.875716431027392,"quality":"inauspicious"},{"name":"Udveg","start":"03:53","end":"05:11","startHours":27.875716431027392,"endHours":29.180707562383624,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:11","end":"06:11","startHours":5.180707562383623,"endHours":6.180707562383623,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:11","end":"07:11","startHours":6.180707562383623,"endHours":7.180707562383623,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:11","end":"08:11","startHours":7.180707562383623,"endHours":8.180707562383624,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:11","end":"09:11","startHours":8.180707562383624,"endHours":9.180707562383624,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:11","end":"10:11","startHours":9.180707562383624,"endHours":10.180707562383624,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:11","end":"11:11","startHours":10.180707562383624,"endHours":11.180707562383624,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:11","end":"12:11","startHours":11.180707562383624,"endHours":12.180707562383624,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:11","end":"13:11","startHours":12.180707562383624,"endHours":13.180707562383624,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:11","end":"14:11","startHours":13.180707562383624,"endHours":14.180707562383624,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:11","end":"15:11","startHours":14.180707562383624,"endHours":15.180707562383624,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:11","end":"16:11","startHours":15.180707562383624,"endHours":16.180707562383624,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:11","end":"17:11","startHours":16.180707562383624,"endHours":17.180707562383624,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:11","end":"18:11","startHours":17.180707562383624,"endHours":18.180707562383624,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:11","end":"19:11","startHours":18.180707562383624,"endHours":19.180707562383624,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:11","end":"20:11","startHours":19.180707562383624,"endHours":20.180707562383624,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:11","end":"21:11","startHours":20.180707562383624,"endHours":21.180707562383624,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:11","end":"22:11","startHours":21.180707562383624,"endHours":22.180707562383624,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:11","end":"23:11","startHours":22.180707562383624,"endHours":23.180707562383624,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:11","end":"00:11","startHours":23.180707562383624,"endHours":24.180707562383624,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:11","end":"01:11","startHours":24.180707562383624,"endHours":25.180707562383624,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:11","end":"02:11","startHours":25.180707562383624,"endHours":26.180707562383624,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:11","end":"03:11","startHours":26.180707562383624,"endHours":27.180707562383624,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:11","end":"04:11","startHours":27.180707562383624,"endHours":28.180707562383624,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:11","end":"05:11","startHours":28.180707562383624,"endHours":29.180707562383624,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South","rahuVasa":"South-West","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"tropicalRitu":"Grīṣma (Summer) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":20.16002773450754,"eotMinutes":3.539417782478063,"ayanamsa":25.5486}},"calendars":{"vikram_samvat":2178,"vikram_samvatsara":"Jaya","saka_samvat":2043,"saka_samvatsara":"Vṛṣa","bengali_samvat":1528,"malayalam_era":1297,"nanakshahi_year":652,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Pañcamī · Vikram 2178 Jaya · Śaka 2043 Vṛṣa"},"festivals":[{"id":"shankara-jayanti","name":"Ādi Śaṅkarācārya Jayantī","name_sanskrit":"आदि शङ्कराचार्य जयन्ती","tradition":"Smarta","associated_deity":"Ādi Śaṅkarācārya","significance":"Birth of Ādi Śaṅkara at Kāladī, Kerala; Advaita-pratiṣṭhāpaka.","vrata":false,"detection":{"tithi_number":5,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":3}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Punarvasu","url":"/day/-1626101-04-03","relevance":0.5}]},"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 May 21, 2121 CE · Ayodhyā · Vidhyamitra","description":"May 21, 2121 CE for Ayodhyā: Śukla Pañcamī, sūryodaya 05:11, sūryāsta 18:44.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2121-05-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2121-05-21","sa":"https://sa.vidhyamitra.com/city/ayodhya/2121-05-21","hi":"https://hi.vidhyamitra.com/city/ayodhya/2121-05-21","x-default":"https://vidhyamitra.com/city/ayodhya/2121-05-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T11:53:38.491Z","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":"2026-05-31T11:53:38.491Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T11:53:38.491Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}