{"id":"vidhyamitra:city-day:ayodhya:2281-08-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2281-08-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2281-08-13","date_display":"August 13, 2281 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":2281,"month":8,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2554402.770833,"kali_year":5383,"ahargana":1965937.2708,"sun":{"sidereal_longitude":111.6456,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":87.0949,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":335.4493,"elapsed_within_tithi_degrees":11.4493},"nakshatra":{"number":7,"name":"Punarvasu","pada":3,"moon_longitude":87.0949,"elapsed_within_degrees":7.0949},"yoga":{"number":15,"name":"Vajra","sum_longitude":198.7404},"karana":{"half_tithi_index":55,"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":2281,"month":8,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2554402.770833,"ahargana":1965937.2708,"kali_year":5383,"ayanamsa_lahiri":27.7869,"grahas":{"sun":{"sidereal_longitude":112.90988700000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":87.48958700000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false,"latitude":2.377},"mars":{"sidereal_longitude":178.81318699999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":108.03518700000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":263.088387,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":90.889387,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":221.81918700000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":55.1826,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":235.1826,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"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":2281,"month":8,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2554402.770833,"kali_year":5383,"ahargana":1965937.2708,"sun":{"sidereal_longitude":111.6456,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":87.0949,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":335.4493,"elapsed_within_tithi_degrees":11.4493},"nakshatra":{"number":7,"name":"Punarvasu","pada":3,"moon_longitude":87.0949,"elapsed_within_degrees":7.0949},"yoga":{"number":15,"name":"Vajra","sum_longitude":198.7404},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.377,"elongation":24.551},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.377,"opposition_distance":155.449}},"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":"05:32","sunsetLocal":"18:40","solarNoonLocal":"12:06","dayLengthHours":13.137331501319059,"dayLengthDisplay":"13 Hours 08 Mins 14 Secs","nightLengthDisplay":"10 Hours 51 Mins 46 Secs","moonriseLocal":"03:36","moonsetLocal":"17:12","rahuKala":{"name":"Rāhu Kāla","start":"08:49","end":"10:27","startHours":8.811425803640496,"endHours":10.453592241305378,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:44","end":"15:23","startHours":13.737925116635143,"endHours":15.380091554300025,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:32","end":"07:10","startHours":5.527092928310731,"endHours":7.169259365975614,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:36","end":"09:02","startHours":8.592470278618512,"endHours":9.03038132866248,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:04","end":"06:25","startHours":6.074481740865692,"endHours":6.424810580900867,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:39","end":"12:32","startHours":11.657847628926291,"endHours":12.533669729014228,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:47","end":"04:39","startHours":3.7754487281348563,"endHours":4.651270828222794,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:26","end":"05:32","startHours":4.432315303200809,"endHours":5.527092928310731,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:17","end":"15:10","startHours":14.285313929190103,"endHours":15.16113602927804,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:28","end":"18:52","startHours":18.46442442962979,"endHours":18.86442442962979,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:40","end":"19:13","startHours":18.66442442962979,"endHours":19.21181324218475,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:25","end":"20:10","startHours":18.41442442962979,"endHours":20.16442442962979,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:39","end":"00:32","startHours":23.65784762892629,"endHours":24.53366972901423,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:32","end":"07:10","startHours":5.527092928310731,"endHours":7.169259365975614,"quality":"inauspicious"},{"name":"Śubha","start":"07:10","end":"08:49","startHours":7.169259365975614,"endHours":8.811425803640496,"quality":"auspicious"},{"name":"Roga","start":"08:49","end":"10:27","startHours":8.811425803640496,"endHours":10.453592241305378,"quality":"inauspicious"},{"name":"Udveg","start":"10:27","end":"12:06","startHours":10.453592241305378,"endHours":12.09575867897026,"quality":"inauspicious"},{"name":"Chala","start":"12:06","end":"13:44","startHours":12.09575867897026,"endHours":13.737925116635143,"quality":"neutral"},{"name":"Labha","start":"13:44","end":"15:23","startHours":13.737925116635143,"endHours":15.380091554300025,"quality":"auspicious"},{"name":"Amṛta","start":"15:23","end":"17:01","startHours":15.380091554300025,"endHours":17.022257991964906,"quality":"auspicious"},{"name":"Kāla","start":"17:01","end":"18:40","startHours":17.022257991964906,"endHours":18.66442442962979,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:40","end":"20:01","startHours":18.66442442962979,"endHours":20.022257991964906,"quality":"auspicious"},{"name":"Amṛta","start":"20:01","end":"21:23","startHours":20.022257991964906,"endHours":21.380091554300027,"quality":"auspicious"},{"name":"Kāla","start":"21:23","end":"22:44","startHours":21.380091554300027,"endHours":22.737925116635143,"quality":"inauspicious"},{"name":"Śubha","start":"22:44","end":"00:06","startHours":22.737925116635143,"endHours":24.09575867897026,"quality":"auspicious"},{"name":"Roga","start":"00:06","end":"01:27","startHours":24.09575867897026,"endHours":25.45359224130538,"quality":"inauspicious"},{"name":"Udveg","start":"01:27","end":"02:49","startHours":25.45359224130538,"endHours":26.811425803640496,"quality":"inauspicious"},{"name":"Chala","start":"02:49","end":"04:10","startHours":26.811425803640496,"endHours":28.169259365975613,"quality":"neutral"},{"name":"Labha","start":"04:10","end":"05:32","startHours":28.169259365975613,"endHours":29.52709292831073,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:32","end":"06:32","startHours":5.527092928310731,"endHours":6.527092928310731,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:32","end":"07:32","startHours":6.527092928310731,"endHours":7.527092928310731,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:32","end":"08:32","startHours":7.527092928310731,"endHours":8.527092928310731,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:32","end":"09:32","startHours":8.527092928310731,"endHours":9.527092928310731,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:32","end":"10:32","startHours":9.527092928310731,"endHours":10.527092928310731,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:32","end":"11:32","startHours":10.527092928310731,"endHours":11.527092928310731,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:32","end":"12:32","startHours":11.527092928310731,"endHours":12.527092928310731,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:32","end":"13:32","startHours":12.527092928310731,"endHours":13.527092928310731,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:32","end":"14:32","startHours":13.527092928310731,"endHours":14.527092928310731,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:32","end":"15:32","startHours":14.527092928310731,"endHours":15.527092928310731,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:32","end":"16:32","startHours":15.527092928310731,"endHours":16.52709292831073,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:32","end":"17:32","startHours":16.52709292831073,"endHours":17.52709292831073,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:32","end":"18:32","startHours":17.52709292831073,"endHours":18.52709292831073,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:32","end":"19:32","startHours":18.52709292831073,"endHours":19.52709292831073,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:32","end":"20:32","startHours":19.52709292831073,"endHours":20.52709292831073,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:32","end":"21:32","startHours":20.52709292831073,"endHours":21.52709292831073,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:32","end":"22:32","startHours":21.52709292831073,"endHours":22.52709292831073,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:32","end":"23:32","startHours":22.52709292831073,"endHours":23.52709292831073,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:32","end":"00:32","startHours":23.52709292831073,"endHours":24.52709292831073,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:32","end":"01:32","startHours":24.52709292831073,"endHours":25.52709292831073,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:32","end":"02:32","startHours":25.52709292831073,"endHours":26.52709292831073,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:32","end":"03:32","startHours":26.52709292831073,"endHours":27.52709292831073,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:32","end":"04:32","startHours":27.52709292831073,"endHours":28.52709292831073,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:32","end":"05:32","startHours":28.52709292831073,"endHours":29.52709292831073,"planetary_lord":"Mercury"}],"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":"East (Pūrva)","chandraVasa":"South","rahuVasa":"East","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":14.591949937098892,"eotMinutes":-4.561520738215509,"ayanamsa":27.7869}},"calendars":{"vikram_samvat":2338,"vikram_samvatsara":"Bhāva","saka_samvat":2203,"saka_samvatsara":"Durmati","bengali_samvat":1688,"malayalam_era":1457,"nanakshahi_year":812,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Śrāvaṇa","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 2338 Bhāva · Śaka 2203 Durmati"},"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":"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":[{"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 August 13, 2281 CE · Ayodhyā · Vidhyamitra","description":"August 13, 2281 CE for Ayodhyā: Kṛṣṇa Trayodaśī, sūryodaya 05:32, sūryāsta 18:40.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2281-08-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2281-08-13","sa":"https://sa.vidhyamitra.com/city/ayodhya/2281-08-13","hi":"https://hi.vidhyamitra.com/city/ayodhya/2281-08-13","x-default":"https://vidhyamitra.com/city/ayodhya/2281-08-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T22:33:08.942Z","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":"2026-05-31T22:33:08.942Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T22:33:08.942Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}