{"id":"vidhyamitra:city-day:ayodhya:2287-09-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2287-09-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2287-09-18","date_display":"September 18, 2287 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":2287,"month":9,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2556629.770833,"kali_year":5389,"ahargana":1968164.2708,"sun":{"sidereal_longitude":145.7216,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":267.1622,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":121.4406,"elapsed_within_tithi_degrees":1.4406},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1,"moon_longitude":267.1622,"elapsed_within_degrees":0.4955},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":52.8838},"karana":{"half_tithi_index":20,"name":"Vaṇija"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":2287,"month":9,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2556629.770833,"ahargana":1968164.2708,"kali_year":5389,"ayanamsa_lahiri":27.8721,"grahas":{"sun":{"sidereal_longitude":147.145599,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":267.82129899999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false,"latitude":-2.2498},"mars":{"sidereal_longitude":299.774999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":128.626599,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":109.01439900000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":101.19489899999996,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":291.40019899999993,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":297.1855,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":117.1855,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":2287,"month":9,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2556629.770833,"kali_year":5389,"ahargana":1968164.2708,"sun":{"sidereal_longitude":145.7216,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":267.1622,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":121.4406,"elapsed_within_tithi_degrees":1.4406},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1,"moon_longitude":267.1622,"elapsed_within_degrees":0.4955},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":52.8838},"karana":{"half_tithi_index":20,"name":"Vaṇija"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.25,"elongation":121.441},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.25,"opposition_distance":58.559}},"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":"05:47","sunsetLocal":"18:02","solarNoonLocal":"11:55","dayLengthHours":12.257921260963627,"dayLengthDisplay":"12 Hours 15 Mins 29 Secs","nightLengthDisplay":"11 Hours 44 Mins 31 Secs","moonriseLocal":"14:39","moonsetLocal":"01:15","rahuKala":{"name":"Rāhu Kāla","start":"16:30","end":"18:02","startHours":16.50628676996679,"endHours":18.03852692758724,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:55","end":"13:27","startHours":11.909566297105428,"endHours":13.441806454725882,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:58","end":"16:30","startHours":14.974046612346335,"endHours":16.50628676996679,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:38","end":"09:03","startHours":8.640787294181795,"endHours":9.049384669547248,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:17","end":"06:37","startHours":6.291352385830432,"endHours":6.618230286122795,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:30","end":"12:19","startHours":11.500968921739974,"endHours":12.318163672470883,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:09","end":"04:58","startHours":4.146216165161798,"endHours":4.963410915892706,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:46","end":"05:47","startHours":4.759112228209979,"endHours":5.7806056666236145,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:57","end":"14:46","startHours":13.9525531739327,"endHours":14.769747924663609,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:50","end":"18:14","startHours":17.838526927587242,"endHours":18.23852692758724,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:02","end":"18:33","startHours":18.03852692758724,"endHours":18.54927364679406,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:47","end":"19:32","startHours":17.78852692758724,"endHours":19.53852692758724,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:30","end":"00:19","startHours":23.500968921739975,"endHours":24.31816367247088,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:47","end":"07:19","startHours":5.7806056666236145,"endHours":7.312845824244068,"quality":"inauspicious"},{"name":"Chala","start":"07:19","end":"08:51","startHours":7.312845824244068,"endHours":8.845085981864521,"quality":"neutral"},{"name":"Labha","start":"08:51","end":"10:23","startHours":8.845085981864521,"endHours":10.377326139484975,"quality":"auspicious"},{"name":"Amṛta","start":"10:23","end":"11:55","startHours":10.377326139484975,"endHours":11.909566297105428,"quality":"auspicious"},{"name":"Kāla","start":"11:55","end":"13:27","startHours":11.909566297105428,"endHours":13.441806454725882,"quality":"inauspicious"},{"name":"Śubha","start":"13:27","end":"14:58","startHours":13.441806454725882,"endHours":14.974046612346335,"quality":"auspicious"},{"name":"Roga","start":"14:58","end":"16:30","startHours":14.974046612346335,"endHours":16.50628676996679,"quality":"inauspicious"},{"name":"Udveg","start":"16:30","end":"18:02","startHours":16.50628676996679,"endHours":18.03852692758724,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:02","end":"19:30","startHours":18.03852692758724,"endHours":19.50628676996679,"quality":"auspicious"},{"name":"Roga","start":"19:30","end":"20:58","startHours":19.50628676996679,"endHours":20.974046612346335,"quality":"inauspicious"},{"name":"Udveg","start":"20:58","end":"22:27","startHours":20.974046612346335,"endHours":22.44180645472588,"quality":"inauspicious"},{"name":"Chala","start":"22:27","end":"23:55","startHours":22.44180645472588,"endHours":23.909566297105428,"quality":"neutral"},{"name":"Labha","start":"23:55","end":"01:23","startHours":23.909566297105428,"endHours":25.377326139484975,"quality":"auspicious"},{"name":"Amṛta","start":"01:23","end":"02:51","startHours":25.377326139484975,"endHours":26.84508598186452,"quality":"auspicious"},{"name":"Kāla","start":"02:51","end":"04:19","startHours":26.84508598186452,"endHours":28.312845824244068,"quality":"inauspicious"},{"name":"Śubha","start":"04:19","end":"05:47","startHours":28.312845824244068,"endHours":29.780605666623615,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:47","end":"06:47","startHours":5.7806056666236145,"endHours":6.7806056666236145,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:47","end":"07:47","startHours":6.7806056666236145,"endHours":7.7806056666236145,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:47","end":"08:47","startHours":7.7806056666236145,"endHours":8.780605666623615,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:47","end":"09:47","startHours":8.780605666623615,"endHours":9.780605666623615,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:47","end":"10:47","startHours":9.780605666623615,"endHours":10.780605666623615,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:47","end":"11:47","startHours":10.780605666623615,"endHours":11.780605666623615,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:47","end":"12:47","startHours":11.780605666623615,"endHours":12.780605666623615,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:47","end":"13:47","startHours":12.780605666623615,"endHours":13.780605666623615,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:47","end":"14:47","startHours":13.780605666623615,"endHours":14.780605666623615,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:47","end":"15:47","startHours":14.780605666623615,"endHours":15.780605666623615,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:47","end":"16:47","startHours":15.780605666623615,"endHours":16.780605666623615,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:47","end":"17:47","startHours":16.780605666623615,"endHours":17.780605666623615,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:47","end":"18:47","startHours":17.780605666623615,"endHours":18.780605666623615,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:47","end":"19:47","startHours":18.780605666623615,"endHours":19.780605666623615,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:47","end":"20:47","startHours":19.780605666623615,"endHours":20.780605666623615,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:47","end":"21:47","startHours":20.780605666623615,"endHours":21.780605666623615,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:47","end":"22:47","startHours":21.780605666623615,"endHours":22.780605666623615,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:47","end":"23:47","startHours":22.780605666623615,"endHours":23.780605666623615,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:47","end":"00:47","startHours":23.780605666623615,"endHours":24.780605666623615,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:47","end":"01:47","startHours":24.780605666623615,"endHours":25.780605666623615,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:47","end":"02:47","startHours":25.780605666623615,"endHours":26.780605666623615,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:47","end":"03:47","startHours":26.780605666623615,"endHours":27.780605666623615,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:47","end":"04:47","startHours":27.780605666623615,"endHours":28.780605666623615,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:47","end":"05:47","startHours":28.780605666623615,"endHours":29.780605666623615,"planetary_lord":"Jupiter"}],"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":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Amṛta","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":1.9795201876942803,"eotMinutes":6.610022173674397,"ayanamsa":27.8721}},"calendars":{"vikram_samvat":2344,"vikram_samvatsara":"Vikrama","saka_samvat":2209,"saka_samvatsara":"Prabhava","bengali_samvat":1694,"malayalam_era":1463,"nanakshahi_year":818,"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 Ekādaśī · Vikram 2344 Vikrama · Śaka 2209 Prabhava"},"festivals":[{"id":"parsva-ekadashi","name":"Pārśva (Parivartinī) Ekādaśī","name_sanskrit":"पार्श्व एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu (turning side in yoga-nidrā)","significance":"Viṣṇu turns from one side to another in yoga-nidrā (mid-Cāturmāsya).","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Bhādrapada"},"precedence":3},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 September 18, 2287 CE · Ayodhyā · Vidhyamitra","description":"September 18, 2287 CE for Ayodhyā: Śukla Ekādaśī, sūryodaya 05:47, sūryāsta 18:02.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2287-09-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2287-09-18","sa":"https://sa.vidhyamitra.com/city/ayodhya/2287-09-18","hi":"https://hi.vidhyamitra.com/city/ayodhya/2287-09-18","x-default":"https://vidhyamitra.com/city/ayodhya/2287-09-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T11:44:32.551Z","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":"2026-06-01T11:44:32.551Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T11:44:32.551Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}