{"id":"vidhyamitra:city-day:ayodhya:2309-08-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2309-08-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2309-08-20","date_display":"August 20, 2309 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":2309,"month":8,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2564635.770833,"kali_year":5411,"ahargana":1976170.2708,"sun":{"sidereal_longitude":117.1371,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":270.8222,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":153.6851,"elapsed_within_tithi_degrees":9.6851},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2,"moon_longitude":270.8222,"elapsed_within_degrees":4.1555},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":27.9593},"karana":{"half_tithi_index":25,"name":"Taitila"},"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":2309,"month":8,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2564635.770833,"ahargana":1976170.2708,"kali_year":5411,"ayanamsa_lahiri":28.1783,"grahas":{"sun":{"sidereal_longitude":118.50091099999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":272.56851099999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false,"latitude":2.7584},"mars":{"sidereal_longitude":156.39521100000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":106.06811099999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":57.17551100000003,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":159.04011100000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":205.156611,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":232.9891,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":52.9891,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","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":2309,"month":8,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2564635.770833,"kali_year":5411,"ahargana":1976170.2708,"sun":{"sidereal_longitude":117.1371,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":270.8222,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":153.6851,"elapsed_within_tithi_degrees":9.6851},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2,"moon_longitude":270.8222,"elapsed_within_degrees":4.1555},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":27.9593},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.758,"elongation":153.685},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.758,"opposition_distance":26.315}},"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":"05:34","sunsetLocal":"18:34","solarNoonLocal":"12:04","dayLengthHours":12.9942721017745,"dayLengthDisplay":"12 Hours 59 Mins 39 Secs","nightLengthDisplay":"11 Hours 00 Mins 21 Secs","moonriseLocal":"17:00","moonsetLocal":"03:41","rahuKala":{"name":"Rāhu Kāla","start":"10:27","end":"12:04","startHours":10.446282835787027,"endHours":12.07056684850884,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:19","end":"16:57","startHours":15.319134873952464,"endHours":16.943418886674277,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:12","end":"08:49","startHours":7.197714810343401,"endHours":8.821998823065213,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:36","end":"09:02","startHours":8.605427621368971,"endHours":9.038570024761455,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:07","end":"06:28","startHours":6.1148588018621925,"endHours":6.461372724576179,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:38","end":"12:30","startHours":11.637424445116354,"endHours":12.503709251901322,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:50","end":"04:42","startHours":3.840861184051655,"endHours":4.707145990836622,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:29","end":"05:34","startHours":4.49057478914038,"endHours":5.573430797621588,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:14","end":"15:06","startHours":14.236278865471254,"endHours":15.10256367225622,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:22","end":"18:46","startHours":18.36770289939609,"endHours":18.767702899396088,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:34","end":"19:07","startHours":18.56770289939609,"endHours":19.109130903636693,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:19","end":"20:04","startHours":18.31770289939609,"endHours":20.06770289939609,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:38","end":"00:30","startHours":23.637424445116356,"endHours":24.503709251901324,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:34","end":"07:12","startHours":5.573430797621588,"endHours":7.197714810343401,"quality":"neutral"},{"name":"Labha","start":"07:12","end":"08:49","startHours":7.197714810343401,"endHours":8.821998823065213,"quality":"auspicious"},{"name":"Amṛta","start":"08:49","end":"10:27","startHours":8.821998823065213,"endHours":10.446282835787027,"quality":"auspicious"},{"name":"Kāla","start":"10:27","end":"12:04","startHours":10.446282835787027,"endHours":12.07056684850884,"quality":"inauspicious"},{"name":"Śubha","start":"12:04","end":"13:42","startHours":12.07056684850884,"endHours":13.694850861230652,"quality":"auspicious"},{"name":"Roga","start":"13:42","end":"15:19","startHours":13.694850861230652,"endHours":15.319134873952464,"quality":"inauspicious"},{"name":"Udveg","start":"15:19","end":"16:57","startHours":15.319134873952464,"endHours":16.943418886674277,"quality":"inauspicious"},{"name":"Chala","start":"16:57","end":"18:34","startHours":16.943418886674277,"endHours":18.56770289939609,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:34","end":"19:57","startHours":18.56770289939609,"endHours":19.943418886674277,"quality":"inauspicious"},{"name":"Udveg","start":"19:57","end":"21:19","startHours":19.943418886674277,"endHours":21.319134873952464,"quality":"inauspicious"},{"name":"Chala","start":"21:19","end":"22:42","startHours":21.319134873952464,"endHours":22.694850861230652,"quality":"neutral"},{"name":"Labha","start":"22:42","end":"00:04","startHours":22.694850861230652,"endHours":24.07056684850884,"quality":"auspicious"},{"name":"Amṛta","start":"00:04","end":"01:27","startHours":24.07056684850884,"endHours":25.446282835787027,"quality":"auspicious"},{"name":"Kāla","start":"01:27","end":"02:49","startHours":25.446282835787027,"endHours":26.821998823065215,"quality":"inauspicious"},{"name":"Śubha","start":"02:49","end":"04:12","startHours":26.821998823065215,"endHours":28.1977148103434,"quality":"auspicious"},{"name":"Roga","start":"04:12","end":"05:34","startHours":28.1977148103434,"endHours":29.57343079762159,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:34","end":"06:34","startHours":5.573430797621588,"endHours":6.573430797621588,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:34","end":"07:34","startHours":6.573430797621588,"endHours":7.573430797621588,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:34","end":"08:34","startHours":7.573430797621588,"endHours":8.573430797621588,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:34","end":"09:34","startHours":8.573430797621588,"endHours":9.573430797621588,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:34","end":"10:34","startHours":9.573430797621588,"endHours":10.573430797621588,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:34","end":"11:34","startHours":10.573430797621588,"endHours":11.573430797621588,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:34","end":"12:34","startHours":11.573430797621588,"endHours":12.573430797621588,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:34","end":"13:34","startHours":12.573430797621588,"endHours":13.573430797621588,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:34","end":"14:34","startHours":13.573430797621588,"endHours":14.573430797621588,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:34","end":"15:34","startHours":14.573430797621588,"endHours":15.573430797621588,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:34","end":"16:34","startHours":15.573430797621588,"endHours":16.57343079762159,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:34","end":"17:34","startHours":16.57343079762159,"endHours":17.57343079762159,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:34","end":"18:34","startHours":17.57343079762159,"endHours":18.57343079762159,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:34","end":"19:34","startHours":18.57343079762159,"endHours":19.57343079762159,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:34","end":"20:34","startHours":19.57343079762159,"endHours":20.57343079762159,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:34","end":"21:34","startHours":20.57343079762159,"endHours":21.57343079762159,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:34","end":"22:34","startHours":21.57343079762159,"endHours":22.57343079762159,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:34","end":"23:34","startHours":22.57343079762159,"endHours":23.57343079762159,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:34","end":"00:34","startHours":23.57343079762159,"endHours":24.57343079762159,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:34","end":"01:34","startHours":24.57343079762159,"endHours":25.57343079762159,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:34","end":"02:34","startHours":25.57343079762159,"endHours":26.57343079762159,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:34","end":"03:34","startHours":26.57343079762159,"endHours":27.57343079762159,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:34","end":"04:34","startHours":27.57343079762159,"endHours":28.57343079762159,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:34","end":"05:34","startHours":28.57343079762159,"endHours":29.57343079762159,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"South-East","anandadiYoga":{"name":"Mānasa","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":12.620053539091593,"eotMinutes":-3.0500109105302213,"ayanamsa":28.1783}},"calendars":{"vikram_samvat":2366,"vikram_samvatsara":"Śubhakṛt","saka_samvat":2231,"saka_samvatsara":"Virodhi","bengali_samvat":1716,"malayalam_era":1485,"nanakshahi_year":840,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla 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 Śukla Trayodaśī · Vikram 2366 Śubhakṛt · Śaka 2231 Virodhi"},"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 August 20, 2309 CE · Ayodhyā · Vidhyamitra","description":"August 20, 2309 CE for Ayodhyā: Śukla Trayodaśī, sūryodaya 05:34, sūryāsta 18:34.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2309-08-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2309-08-20","sa":"https://sa.vidhyamitra.com/city/ayodhya/2309-08-20","hi":"https://hi.vidhyamitra.com/city/ayodhya/2309-08-20","x-default":"https://vidhyamitra.com/city/ayodhya/2309-08-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T00:48:00.468Z","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":"2026-06-03T00:48:00.468Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T00:48:00.468Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}