{"id":"vidhyamitra:city-day:ayodhya:-0547-07-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/-0547-07-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"-0547-07-21","date_display":"July 21, 548 BCE","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":-547,"month":7,"day":21,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":1521467.770833,"kali_year":2555,"ahargana":933002.2708,"sun":{"sidereal_longitude":127.6814,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":289.2246,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":161.5433,"elapsed_within_tithi_degrees":5.5433},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3,"moon_longitude":289.2246,"elapsed_within_degrees":9.2246},"yoga":{"number":5,"name":"Śobhana","sum_longitude":56.906},"karana":{"half_tithi_index":26,"name":"Gara"},"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":-547,"month":7,"day":21,"hour":6,"minute":30,"calendar":"julian"},"julian_day":1521467.770833,"ahargana":933002.2708,"kali_year":2555,"ayanamsa_lahiri":-11.719,"grahas":{"sun":{"sidereal_longitude":127.6814,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":289.2246,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false,"latitude":-3.1342},"mars":{"sidereal_longitude":73.3694,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":113.8434,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":126.8115,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":112.5531,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":234.9778,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":65.0498,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":245.0498,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","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":-547,"month":7,"day":21,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":1521467.770833,"kali_year":2555,"ahargana":933002.2708,"sun":{"sidereal_longitude":127.6814,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":289.2246,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":161.5433,"elapsed_within_tithi_degrees":5.5433},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3,"moon_longitude":289.2246,"elapsed_within_degrees":9.2246},"yoga":{"number":5,"name":"Śobhana","sum_longitude":56.906},"karana":{"half_tithi_index":26,"name":"Gara"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.134,"elongation":161.543},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.134,"opposition_distance":18.457}},"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":"05:19","sunsetLocal":"18:56","solarNoonLocal":"12:07","dayLengthHours":13.62300022741003,"dayLengthDisplay":"13 Hours 37 Mins 23 Secs","nightLengthDisplay":"10 Hours 22 Mins 37 Secs","moonriseLocal":"17:41","moonsetLocal":"04:06","rahuKala":{"name":"Rāhu Kāla","start":"10:25","end":"12:07","startHours":10.417688362161815,"endHours":12.120563390588067,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:32","end":"17:14","startHours":15.526313447440575,"endHours":17.229188475866827,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:01","end":"08:43","startHours":7.011938305309307,"endHours":8.714813333735561,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:29","end":"08:57","startHours":8.487763329945395,"endHours":8.941863337525728,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:53","end":"06:14","startHours":5.876688286358471,"endHours":6.239968292422739,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:40","end":"12:34","startHours":11.666463383007732,"endHours":12.574663398168402,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:30","end":"04:24","startHours":3.4926632465617162,"endHours":4.400863261722385,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:10","end":"05:19","startHours":4.173813257932218,"endHours":5.3090632768830535,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:23","end":"15:18","startHours":14.391063428489739,"endHours":15.299263443650407,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:44","end":"19:08","startHours":18.732063504293084,"endHours":19.132063504293082,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:56","end":"19:30","startHours":18.932063504293083,"endHours":19.4996885137685,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:41","end":"20:26","startHours":18.682063504293083,"endHours":20.432063504293083,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:40","end":"00:34","startHours":23.666463383007734,"endHours":24.5746633981684,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:19","end":"07:01","startHours":5.3090632768830535,"endHours":7.011938305309307,"quality":"neutral"},{"name":"Labha","start":"07:01","end":"08:43","startHours":7.011938305309307,"endHours":8.714813333735561,"quality":"auspicious"},{"name":"Amṛta","start":"08:43","end":"10:25","startHours":8.714813333735561,"endHours":10.417688362161815,"quality":"auspicious"},{"name":"Kāla","start":"10:25","end":"12:07","startHours":10.417688362161815,"endHours":12.120563390588067,"quality":"inauspicious"},{"name":"Śubha","start":"12:07","end":"13:49","startHours":12.120563390588067,"endHours":13.823438419014321,"quality":"auspicious"},{"name":"Roga","start":"13:49","end":"15:32","startHours":13.823438419014321,"endHours":15.526313447440575,"quality":"inauspicious"},{"name":"Udveg","start":"15:32","end":"17:14","startHours":15.526313447440575,"endHours":17.229188475866827,"quality":"inauspicious"},{"name":"Chala","start":"17:14","end":"18:56","startHours":17.229188475866827,"endHours":18.932063504293083,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:56","end":"20:14","startHours":18.932063504293083,"endHours":20.22918847586683,"quality":"inauspicious"},{"name":"Udveg","start":"20:14","end":"21:32","startHours":20.22918847586683,"endHours":21.526313447440575,"quality":"inauspicious"},{"name":"Chala","start":"21:32","end":"22:49","startHours":21.526313447440575,"endHours":22.823438419014323,"quality":"neutral"},{"name":"Labha","start":"22:49","end":"00:07","startHours":22.823438419014323,"endHours":24.120563390588067,"quality":"auspicious"},{"name":"Amṛta","start":"00:07","end":"01:25","startHours":24.120563390588067,"endHours":25.417688362161815,"quality":"auspicious"},{"name":"Kāla","start":"01:25","end":"02:43","startHours":25.417688362161815,"endHours":26.714813333735563,"quality":"inauspicious"},{"name":"Śubha","start":"02:43","end":"04:01","startHours":26.714813333735563,"endHours":28.011938305309307,"quality":"auspicious"},{"name":"Roga","start":"04:01","end":"05:19","startHours":28.011938305309307,"endHours":29.30906327688305,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:19","end":"06:19","startHours":5.3090632768830535,"endHours":6.3090632768830535,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:19","end":"07:19","startHours":6.3090632768830535,"endHours":7.3090632768830535,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:19","end":"08:19","startHours":7.3090632768830535,"endHours":8.309063276883053,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:19","end":"09:19","startHours":8.309063276883053,"endHours":9.309063276883053,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:19","end":"10:19","startHours":9.309063276883053,"endHours":10.309063276883053,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:19","end":"11:19","startHours":10.309063276883053,"endHours":11.309063276883053,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:19","end":"12:19","startHours":11.309063276883053,"endHours":12.309063276883053,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:19","end":"13:19","startHours":12.309063276883053,"endHours":13.309063276883053,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:19","end":"14:19","startHours":13.309063276883053,"endHours":14.309063276883053,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:19","end":"15:19","startHours":14.309063276883053,"endHours":15.309063276883053,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:19","end":"16:19","startHours":15.309063276883053,"endHours":16.30906327688305,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:19","end":"17:19","startHours":16.30906327688305,"endHours":17.30906327688305,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:19","end":"18:19","startHours":17.30906327688305,"endHours":18.30906327688305,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:19","end":"19:19","startHours":18.30906327688305,"endHours":19.30906327688305,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:19","end":"20:19","startHours":19.30906327688305,"endHours":20.30906327688305,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:19","end":"21:19","startHours":20.30906327688305,"endHours":21.30906327688305,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:19","end":"22:19","startHours":21.30906327688305,"endHours":22.30906327688305,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:19","end":"23:19","startHours":22.30906327688305,"endHours":23.30906327688305,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:19","end":"00:19","startHours":23.30906327688305,"endHours":24.30906327688305,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:19","end":"01:19","startHours":24.30906327688305,"endHours":25.30906327688305,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:19","end":"02:19","startHours":25.30906327688305,"endHours":26.30906327688305,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:19","end":"03:19","startHours":26.30906327688305,"endHours":27.30906327688305,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:19","end":"04:19","startHours":27.30906327688305,"endHours":28.30906327688305,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:19","end":"05:19","startHours":28.30906327688305,"endHours":29.30906327688305,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"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":"Padma","quality":"Auspicious"},"tropicalRitu":"Grīṣma (Summer) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":20.952503138227975,"eotMinutes":-6.049803435283957,"ayanamsa":-11.719}},"calendars":{"vikram_samvat":-490,"saka_samvat":-625,"bengali_samvat":-1140,"malayalam_era":-1371,"nanakshahi_year":-2016,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Caturdaśī · Vikram -490 undefined · Śaka -625 undefined"},"festivals":[{"id":"onam","name":"Onam (Vāmana / King Bali)","name_sanskrit":"ओणम् (वामन-बलि स्मरण)","tradition":"Regional","associated_deity":"Vāmana + King Bali","significance":"Kerala festival; King Bali's annual return to Kerala. Aligned with Thiru-Onam (Śravaṇa nakshatra in Bhādrapada).","vrata":false,"detection":{"nakshatra_name":"Śravaṇa","lunar_month":"Bhādrapada"},"precedence":2}],"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":true,"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 21, 548 BCE · Ayodhyā · Vidhyamitra","description":"July 21, 548 BCE for Ayodhyā: Śukla Caturdaśī, sūryodaya 05:19, sūryāsta 18:56.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/-0547-07-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/-0547-07-21","sa":"https://sa.vidhyamitra.com/city/ayodhya/-0547-07-21","hi":"https://hi.vidhyamitra.com/city/ayodhya/-0547-07-21","x-default":"https://vidhyamitra.com/city/ayodhya/-0547-07-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T19:06:28.514Z","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":"2026-05-31T19:06:28.514Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T19:06:28.514Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}