{"id":"vidhyamitra:city-day:ayodhya:1721-05-10:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1721-05-10","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1721-05-10","date_display":"May 10, 1721 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":1721,"month":5,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2349771.770833,"kali_year":4823,"ahargana":1761306.2708,"sun":{"sidereal_longitude":29.873,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":186.2571,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":156.3841,"elapsed_within_tithi_degrees":0.3841},"nakshatra":{"number":14,"name":"Citrā","pada":4,"moon_longitude":186.2571,"elapsed_within_degrees":12.9237},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":216.13},"karana":{"half_tithi_index":26,"name":"Gara"},"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":1721,"month":5,"day":10,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2349771.770833,"ahargana":1761306.2708,"kali_year":4823,"ayanamsa_lahiri":19.9606,"grahas":{"sun":{"sidereal_longitude":29.233295999999996,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":185.56279600000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false,"latitude":4.4989},"mars":{"sidereal_longitude":320.0114960000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":8.867496000000017,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":191.79209600000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":true},"venus":{"sidereal_longitude":73.46639599999997,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":228.53319599999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":97.5178,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":277.5178,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":1721,"month":5,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2349771.770833,"kali_year":4823,"ahargana":1761306.2708,"sun":{"sidereal_longitude":29.873,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":186.2571,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":156.3841,"elapsed_within_tithi_degrees":0.3841},"nakshatra":{"number":14,"name":"Citrā","pada":4,"moon_longitude":186.2571,"elapsed_within_degrees":12.9237},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":216.13},"karana":{"half_tithi_index":26,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.499,"elongation":156.384},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.499,"opposition_distance":23.616}},"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":"05:17","sunsetLocal":"18:38","solarNoonLocal":"11:58","dayLengthHours":13.355806715113145,"dayLengthDisplay":"13 Hours 21 Mins 21 Secs","nightLengthDisplay":"10 Hours 38 Mins 39 Secs","moonriseLocal":"16:40","moonsetLocal":"04:05","rahuKala":{"name":"Rāhu Kāla","start":"08:37","end":"10:17","startHours":8.61950455748749,"endHours":10.288980396876632,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:38","end":"15:18","startHours":13.627932075654918,"endHours":15.297407915044062,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:17","end":"06:57","startHours":5.280552878709203,"endHours":6.950028718098347,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:24","end":"08:51","startHours":8.396907778902271,"endHours":8.842101336072709,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:50","end":"06:12","startHours":5.837044825172251,"endHours":6.1931996709086015,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:31","end":"12:24","startHours":11.513262679095337,"endHours":12.403649793436212,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:30","end":"04:23","startHours":3.4997786500274506,"endHours":4.3901657643683265,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:10","end":"05:17","startHours":4.167568985783108,"endHours":5.280552878709203,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:11","end":"15:04","startHours":14.184424022117968,"endHours":15.074811136458845,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:26","end":"18:50","startHours":18.43635959382235,"endHours":18.836359593822348,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:38","end":"19:12","startHours":18.63635959382235,"endHours":19.192851540285396,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:23","end":"20:08","startHours":18.38635959382235,"endHours":20.13635959382235,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:31","end":"00:24","startHours":23.513262679095337,"endHours":24.403649793436212,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:17","end":"06:57","startHours":5.280552878709203,"endHours":6.950028718098347,"quality":"inauspicious"},{"name":"Śubha","start":"06:57","end":"08:37","startHours":6.950028718098347,"endHours":8.61950455748749,"quality":"auspicious"},{"name":"Roga","start":"08:37","end":"10:17","startHours":8.61950455748749,"endHours":10.288980396876632,"quality":"inauspicious"},{"name":"Udveg","start":"10:17","end":"11:58","startHours":10.288980396876632,"endHours":11.958456236265775,"quality":"inauspicious"},{"name":"Chala","start":"11:58","end":"13:38","startHours":11.958456236265775,"endHours":13.627932075654918,"quality":"neutral"},{"name":"Labha","start":"13:38","end":"15:18","startHours":13.627932075654918,"endHours":15.297407915044062,"quality":"auspicious"},{"name":"Amṛta","start":"15:18","end":"16:58","startHours":15.297407915044062,"endHours":16.966883754433205,"quality":"auspicious"},{"name":"Kāla","start":"16:58","end":"18:38","startHours":16.966883754433205,"endHours":18.63635959382235,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:38","end":"19:58","startHours":18.63635959382235,"endHours":19.966883754433205,"quality":"auspicious"},{"name":"Amṛta","start":"19:58","end":"21:18","startHours":19.966883754433205,"endHours":21.29740791504406,"quality":"auspicious"},{"name":"Kāla","start":"21:18","end":"22:38","startHours":21.29740791504406,"endHours":22.62793207565492,"quality":"inauspicious"},{"name":"Śubha","start":"22:38","end":"23:58","startHours":22.62793207565492,"endHours":23.958456236265775,"quality":"auspicious"},{"name":"Roga","start":"23:58","end":"01:17","startHours":23.958456236265775,"endHours":25.28898039687663,"quality":"inauspicious"},{"name":"Udveg","start":"01:17","end":"02:37","startHours":25.28898039687663,"endHours":26.61950455748749,"quality":"inauspicious"},{"name":"Chala","start":"02:37","end":"03:57","startHours":26.61950455748749,"endHours":27.950028718098345,"quality":"neutral"},{"name":"Labha","start":"03:57","end":"05:17","startHours":27.950028718098345,"endHours":29.2805528787092,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:17","end":"06:17","startHours":5.280552878709203,"endHours":6.280552878709203,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:17","end":"07:17","startHours":6.280552878709203,"endHours":7.280552878709203,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:17","end":"08:17","startHours":7.280552878709203,"endHours":8.280552878709203,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:17","end":"09:17","startHours":8.280552878709203,"endHours":9.280552878709203,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:17","end":"10:17","startHours":9.280552878709203,"endHours":10.280552878709203,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:17","end":"11:17","startHours":10.280552878709203,"endHours":11.280552878709203,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:17","end":"12:17","startHours":11.280552878709203,"endHours":12.280552878709203,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:17","end":"13:17","startHours":12.280552878709203,"endHours":13.280552878709203,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:17","end":"14:17","startHours":13.280552878709203,"endHours":14.280552878709203,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:17","end":"15:17","startHours":14.280552878709203,"endHours":15.280552878709203,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:17","end":"16:17","startHours":15.280552878709203,"endHours":16.2805528787092,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:17","end":"17:17","startHours":16.2805528787092,"endHours":17.2805528787092,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:17","end":"18:17","startHours":17.2805528787092,"endHours":18.2805528787092,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:17","end":"19:17","startHours":18.2805528787092,"endHours":19.2805528787092,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:17","end":"20:17","startHours":19.2805528787092,"endHours":20.2805528787092,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:17","end":"21:17","startHours":20.2805528787092,"endHours":21.2805528787092,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:17","end":"22:17","startHours":21.2805528787092,"endHours":22.2805528787092,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:17","end":"23:17","startHours":22.2805528787092,"endHours":23.2805528787092,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:17","end":"00:17","startHours":23.2805528787092,"endHours":24.2805528787092,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:17","end":"01:17","startHours":24.2805528787092,"endHours":25.2805528787092,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:17","end":"02:17","startHours":25.2805528787092,"endHours":26.2805528787092,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:17","end":"03:17","startHours":26.2805528787092,"endHours":27.2805528787092,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:17","end":"04:17","startHours":27.2805528787092,"endHours":28.2805528787092,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:17","end":"05:17","startHours":28.2805528787092,"endHours":29.2805528787092,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"North","rahuVasa":"East","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":17.52090885723734,"eotMinutes":3.6766258240534686,"ayanamsa":19.9606}},"calendars":{"vikram_samvat":1778,"vikram_samvatsara":"Ānanda","saka_samvat":1643,"saka_samvatsara":"Plava","bengali_samvat":1128,"malayalam_era":897,"nanakshahi_year":252,"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":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Caturdaśī · Vikram 1778 Ānanda · Śaka 1643 Plava"},"festivals":[{"id":"narasimha-jayanti","name":"Narasiṁha Jayantī","name_sanskrit":"नरसिंह जयन्ती","tradition":"Vaishnava","associated_deity":"Narasiṁha (avatar of Krishna)","deity_avatara_index":14,"significance":"Bhagavān Narasiṁha manifested to protect the bhakta Prahlāda. Krishna's fierce protective form.","vrata":true,"primary_observance":"Sandhyā (twilight) abhiṣekam; recitation of Narasiṁha-Stotra","detection":{"tithi_number":14,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":1,"related_chart":"narasimha","sources":["Bhāgavata Purāṇa 7.8"]},{"id":"chhinnamasta-jayanti","name":"Chhinnamastā Jayantī","name_sanskrit":"छिन्नमस्ता जयन्ती","tradition":"Shakta","associated_deity":"Devī Chhinnamastā (6th of 10 Mahāvidyās)","significance":"The 6th of the Daśa Mahāvidyās. Devī's self-decapitation form representing transcendence of ego.","vrata":false,"detection":{"tithi_number":14,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":5},{"id":"vrishabha-sankranti","name":"Vṛṣabha Saṅkrānti","name_sanskrit":"वृषभ सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Taurus.","vrata":false,"detection":{"sun_rashi_ingress":"Vṛṣabha"},"precedence":5}],"todays_walk":{"walk":{"id":"narasimha-jayanti-walk","name":"Narasiṁha Jayantī Walk","name_sanskrit":"नरसिंह जयन्ती यात्रा","type":"festival","description":"Bhāgavata 7.8 (Prahlāda-Narasiṁha) + protective verses.","step_count":9,"url":"/walk/narasimha-jayanti-walk"},"reason":"Today is Narasiṁha Jayantī — its dedicated 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 May 10, 1721 CE · Ayodhyā · Vidhyamitra","description":"May 10, 1721 CE for Ayodhyā: Śukla Caturdaśī, sūryodaya 05:17, sūryāsta 18:38.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1721-05-10","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1721-05-10","sa":"https://sa.vidhyamitra.com/city/ayodhya/1721-05-10","hi":"https://hi.vidhyamitra.com/city/ayodhya/1721-05-10","x-default":"https://vidhyamitra.com/city/ayodhya/1721-05-10"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T16:19:40.913Z","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":"2026-06-01T16:19:40.913Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T16:19:40.913Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}