{"id":"vidhyamitra:city-day:ayodhya:1821-07-27:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1821-07-27","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1821-07-27","date_display":"July 27, 1821 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":1821,"month":7,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2386373.770833,"kali_year":4923,"ahargana":1797908.2708,"sun":{"sidereal_longitude":102.157,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":77.8246,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":335.6676,"elapsed_within_tithi_degrees":11.6676},"nakshatra":{"number":6,"name":"Ārdrā","pada":4,"moon_longitude":77.8246,"elapsed_within_degrees":11.1579},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":179.9815},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"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":1821,"month":7,"day":27,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2386373.770833,"ahargana":1797908.2708,"kali_year":4923,"ayanamsa_lahiri":21.3604,"grahas":{"sun":{"sidereal_longitude":102.24813,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"moon":{"sidereal_longitude":76.80673000000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false,"latitude":3.9095},"mars":{"sidereal_longitude":60.76773000000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":114.67562999999996,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":9.99973,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":122.45943,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":6.819729999999993,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":318.1677,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":138.1677,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"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":1821,"month":7,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2386373.770833,"kali_year":4923,"ahargana":1797908.2708,"sun":{"sidereal_longitude":102.157,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":77.8246,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":335.6676,"elapsed_within_tithi_degrees":11.6676},"nakshatra":{"number":6,"name":"Ārdrā","pada":4,"moon_longitude":77.8246,"elapsed_within_degrees":11.1579},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":179.9815},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.91,"elongation":24.332},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.91,"opposition_distance":155.668}},"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":"05:22","sunsetLocal":"18:52","solarNoonLocal":"12:07","dayLengthHours":13.496110422121433,"dayLengthDisplay":"13 Hours 29 Mins 46 Secs","nightLengthDisplay":"10 Hours 30 Mins 14 Secs","moonriseLocal":"03:33","moonsetLocal":"17:18","rahuKala":{"name":"Rāhu Kāla","start":"10:26","end":"12:07","startHours":10.435767092064786,"endHours":12.122780894829965,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:30","end":"17:11","startHours":15.496808500360324,"endHours":17.183822303125503,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:04","end":"08:45","startHours":7.061739486534429,"endHours":8.748753289299607,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:31","end":"08:58","startHours":8.523818115597585,"endHours":8.973688463001633,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:56","end":"06:18","startHours":5.937063618024309,"endHours":6.2969598959475475,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:40","end":"12:34","startHours":11.672910547425918,"endHours":12.572651242234013,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:35","end":"04:28","startHours":3.575244294153059,"endHours":4.474984988961154,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:15","end":"05:22","startHours":4.25004981525913,"endHours":5.37472568376925,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:22","end":"15:16","startHours":14.372132631850203,"endHours":15.271873326658298,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:40","end":"19:04","startHours":18.670836105890682,"endHours":19.07083610589068,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:52","end":"19:26","startHours":18.87083610589068,"endHours":19.43317404014574,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:37","end":"20:22","startHours":18.62083610589068,"endHours":20.37083610589068,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:40","end":"00:34","startHours":23.672910547425918,"endHours":24.572651242234013,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:22","end":"07:04","startHours":5.37472568376925,"endHours":7.061739486534429,"quality":"neutral"},{"name":"Labha","start":"07:04","end":"08:45","startHours":7.061739486534429,"endHours":8.748753289299607,"quality":"auspicious"},{"name":"Amṛta","start":"08:45","end":"10:26","startHours":8.748753289299607,"endHours":10.435767092064786,"quality":"auspicious"},{"name":"Kāla","start":"10:26","end":"12:07","startHours":10.435767092064786,"endHours":12.122780894829965,"quality":"inauspicious"},{"name":"Śubha","start":"12:07","end":"13:49","startHours":12.122780894829965,"endHours":13.809794697595144,"quality":"auspicious"},{"name":"Roga","start":"13:49","end":"15:30","startHours":13.809794697595144,"endHours":15.496808500360324,"quality":"inauspicious"},{"name":"Udveg","start":"15:30","end":"17:11","startHours":15.496808500360324,"endHours":17.183822303125503,"quality":"inauspicious"},{"name":"Chala","start":"17:11","end":"18:52","startHours":17.183822303125503,"endHours":18.87083610589068,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:52","end":"20:11","startHours":18.87083610589068,"endHours":20.183822303125503,"quality":"inauspicious"},{"name":"Udveg","start":"20:11","end":"21:30","startHours":20.183822303125503,"endHours":21.496808500360324,"quality":"inauspicious"},{"name":"Chala","start":"21:30","end":"22:49","startHours":21.496808500360324,"endHours":22.809794697595144,"quality":"neutral"},{"name":"Labha","start":"22:49","end":"00:07","startHours":22.809794697595144,"endHours":24.122780894829965,"quality":"auspicious"},{"name":"Amṛta","start":"00:07","end":"01:26","startHours":24.122780894829965,"endHours":25.435767092064786,"quality":"auspicious"},{"name":"Kāla","start":"01:26","end":"02:45","startHours":25.435767092064786,"endHours":26.748753289299607,"quality":"inauspicious"},{"name":"Śubha","start":"02:45","end":"04:04","startHours":26.748753289299607,"endHours":28.061739486534428,"quality":"auspicious"},{"name":"Roga","start":"04:04","end":"05:22","startHours":28.061739486534428,"endHours":29.37472568376925,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:22","end":"06:22","startHours":5.37472568376925,"endHours":6.37472568376925,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:22","end":"07:22","startHours":6.37472568376925,"endHours":7.37472568376925,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:22","end":"08:22","startHours":7.37472568376925,"endHours":8.374725683769249,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:22","end":"09:22","startHours":8.374725683769249,"endHours":9.374725683769249,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:22","end":"10:22","startHours":9.374725683769249,"endHours":10.374725683769249,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:22","end":"11:22","startHours":10.374725683769249,"endHours":11.374725683769249,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:22","end":"12:22","startHours":11.374725683769249,"endHours":12.374725683769249,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:22","end":"13:22","startHours":12.374725683769249,"endHours":13.374725683769249,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:22","end":"14:22","startHours":13.374725683769249,"endHours":14.374725683769249,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:22","end":"15:22","startHours":14.374725683769249,"endHours":15.374725683769249,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:22","end":"16:22","startHours":15.374725683769249,"endHours":16.37472568376925,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:22","end":"17:22","startHours":16.37472568376925,"endHours":17.37472568376925,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:22","end":"18:22","startHours":17.37472568376925,"endHours":18.37472568376925,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:22","end":"19:22","startHours":18.37472568376925,"endHours":19.37472568376925,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:22","end":"20:22","startHours":19.37472568376925,"endHours":20.37472568376925,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:22","end":"21:22","startHours":20.37472568376925,"endHours":21.37472568376925,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:22","end":"22:22","startHours":21.37472568376925,"endHours":22.37472568376925,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:22","end":"23:22","startHours":22.37472568376925,"endHours":23.37472568376925,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:22","end":"00:22","startHours":23.37472568376925,"endHours":24.37472568376925,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:22","end":"01:22","startHours":24.37472568376925,"endHours":25.37472568376925,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:22","end":"02:22","startHours":25.37472568376925,"endHours":26.37472568376925,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:22","end":"03:22","startHours":26.37472568376925,"endHours":27.37472568376925,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:22","end":"04:22","startHours":27.37472568376925,"endHours":28.37472568376925,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:22","end":"05:22","startHours":28.37472568376925,"endHours":29.37472568376925,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"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":"West (Paścim)","chandraVasa":"South","rahuVasa":"South-East","anandadiYoga":{"name":"Cara","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":19.344483427343267,"eotMinutes":-6.182853689797819,"ayanamsa":21.3604}},"calendars":{"vikram_samvat":1878,"vikram_samvatsara":"Jaya","saka_samvat":1743,"saka_samvatsara":"Vṛṣa","bengali_samvat":1228,"malayalam_era":997,"nanakshahi_year":352,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Āṣāḍha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Kṛṣṇa Trayodaśī · Vikram 1878 Jaya · Śaka 1743 Vṛṣa"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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 July 27, 1821 CE · Ayodhyā · Vidhyamitra","description":"July 27, 1821 CE for Ayodhyā: Kṛṣṇa Trayodaśī, sūryodaya 05:22, sūryāsta 18:52.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1821-07-27","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1821-07-27","sa":"https://sa.vidhyamitra.com/city/ayodhya/1821-07-27","hi":"https://hi.vidhyamitra.com/city/ayodhya/1821-07-27","x-default":"https://vidhyamitra.com/city/ayodhya/1821-07-27"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T12:03:28.875Z","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":"2026-05-31T12:03:28.875Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T12:03:28.875Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}