{"id":"vidhyamitra:city-day:ayodhya:-3187-09-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/-3187-09-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"-3187-09-18","date_display":"September 18, 3188 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":-3187,"month":9,"day":18,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":557266.770833,"kali_year":-85,"ahargana":-31198.7292,"sun":{"sidereal_longitude":208.6796,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":34.2812,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":185.6016,"elapsed_within_tithi_degrees":5.6016},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3,"moon_longitude":34.2812,"elapsed_within_degrees":7.6146},"yoga":{"number":19,"name":"Parigha","sum_longitude":242.9609},"karana":{"half_tithi_index":30,"name":"Bālava"},"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":-3187,"month":9,"day":18,"hour":6,"minute":30,"calendar":"julian"},"julian_day":557266.770833,"ahargana":-31198.7292,"kali_year":-85,"ayanamsa_lahiri":-48.596,"grahas":{"sun":{"sidereal_longitude":208.6796,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":34.2812,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false,"latitude":0.0959},"mars":{"sidereal_longitude":203.7011,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":191.8826,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":273.4259,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":166.1671,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":33.4245,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":33.0588,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":213.0588,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","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":-3187,"month":9,"day":18,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":557266.770833,"kali_year":-85,"ahargana":-31198.7292,"sun":{"sidereal_longitude":208.6796,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":34.2812,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":185.6016,"elapsed_within_tithi_degrees":5.6016},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3,"moon_longitude":34.2812,"elapsed_within_degrees":7.6146},"yoga":{"number":19,"name":"Parigha","sum_longitude":242.9609},"karana":{"half_tithi_index":30,"name":"Bālava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.096,"elongation":174.398},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.096,"opposition_distance":5.602}},"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":"05:35","sunsetLocal":"18:14","solarNoonLocal":"11:55","dayLengthHours":12.654065517271768,"dayLengthDisplay":"12 Hours 39 Mins 15 Secs","nightLengthDisplay":"11 Hours 20 Mins 45 Secs","moonriseLocal":"18:26","moonsetLocal":"06:08","rahuKala":{"name":"Rāhu Kāla","start":"10:20","end":"11:55","startHours":10.327808107446456,"endHours":11.909566297105428,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:04","end":"16:39","startHours":15.073082676423368,"endHours":16.654840866082342,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:10","end":"08:45","startHours":7.164291728128514,"endHours":8.746049917787484,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:32","end":"08:57","startHours":8.535148825832955,"endHours":8.956951009742015,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:07","end":"06:27","startHours":6.109786268355867,"endHours":6.447228015483114,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:29","end":"12:20","startHours":11.48776411319637,"endHours":12.331368481014486,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:54","end":"04:44","startHours":3.895324802833308,"endHours":4.738929170651425,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:32","end":"05:35","startHours":4.528028078696896,"endHours":5.582533538469543,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:01","end":"14:52","startHours":14.018577216650723,"endHours":14.862181584468841,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:02","end":"18:26","startHours":18.036599055741313,"endHours":18.43659905574131,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:14","end":"18:46","startHours":18.236599055741312,"endHours":18.763851785627637,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:59","end":"19:44","startHours":17.986599055741312,"endHours":19.736599055741312,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:29","end":"00:20","startHours":23.48776411319637,"endHours":24.331368481014486,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:35","end":"07:10","startHours":5.582533538469543,"endHours":7.164291728128514,"quality":"neutral"},{"name":"Labha","start":"07:10","end":"08:45","startHours":7.164291728128514,"endHours":8.746049917787484,"quality":"auspicious"},{"name":"Amṛta","start":"08:45","end":"10:20","startHours":8.746049917787484,"endHours":10.327808107446456,"quality":"auspicious"},{"name":"Kāla","start":"10:20","end":"11:55","startHours":10.327808107446456,"endHours":11.909566297105428,"quality":"inauspicious"},{"name":"Śubha","start":"11:55","end":"13:29","startHours":11.909566297105428,"endHours":13.491324486764398,"quality":"auspicious"},{"name":"Roga","start":"13:29","end":"15:04","startHours":13.491324486764398,"endHours":15.073082676423368,"quality":"inauspicious"},{"name":"Udveg","start":"15:04","end":"16:39","startHours":15.073082676423368,"endHours":16.654840866082342,"quality":"inauspicious"},{"name":"Chala","start":"16:39","end":"18:14","startHours":16.654840866082342,"endHours":18.236599055741312,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:14","end":"19:39","startHours":18.236599055741312,"endHours":19.654840866082342,"quality":"inauspicious"},{"name":"Udveg","start":"19:39","end":"21:04","startHours":19.654840866082342,"endHours":21.07308267642337,"quality":"inauspicious"},{"name":"Chala","start":"21:04","end":"22:29","startHours":21.07308267642337,"endHours":22.491324486764398,"quality":"neutral"},{"name":"Labha","start":"22:29","end":"23:55","startHours":22.491324486764398,"endHours":23.909566297105428,"quality":"auspicious"},{"name":"Amṛta","start":"23:55","end":"01:20","startHours":23.909566297105428,"endHours":25.327808107446458,"quality":"auspicious"},{"name":"Kāla","start":"01:20","end":"02:45","startHours":25.327808107446458,"endHours":26.746049917787488,"quality":"inauspicious"},{"name":"Śubha","start":"02:45","end":"04:10","startHours":26.746049917787488,"endHours":28.164291728128514,"quality":"auspicious"},{"name":"Roga","start":"04:10","end":"05:35","startHours":28.164291728128514,"endHours":29.582533538469544,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:35","end":"06:35","startHours":5.582533538469543,"endHours":6.582533538469543,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:35","end":"07:35","startHours":6.582533538469543,"endHours":7.582533538469543,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:35","end":"08:35","startHours":7.582533538469543,"endHours":8.582533538469544,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:35","end":"09:35","startHours":8.582533538469544,"endHours":9.582533538469544,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:35","end":"10:35","startHours":9.582533538469544,"endHours":10.582533538469544,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:35","end":"11:35","startHours":10.582533538469544,"endHours":11.582533538469544,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:35","end":"12:35","startHours":11.582533538469544,"endHours":12.582533538469544,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:35","end":"13:35","startHours":12.582533538469544,"endHours":13.582533538469544,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:35","end":"14:35","startHours":13.582533538469544,"endHours":14.582533538469544,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:35","end":"15:35","startHours":14.582533538469544,"endHours":15.582533538469544,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:35","end":"16:35","startHours":15.582533538469544,"endHours":16.582533538469544,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:35","end":"17:35","startHours":16.582533538469544,"endHours":17.582533538469544,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:35","end":"18:35","startHours":17.582533538469544,"endHours":18.582533538469544,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:35","end":"19:35","startHours":18.582533538469544,"endHours":19.582533538469544,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:35","end":"20:35","startHours":19.582533538469544,"endHours":20.582533538469544,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:35","end":"21:35","startHours":20.582533538469544,"endHours":21.582533538469544,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:35","end":"22:35","startHours":21.582533538469544,"endHours":22.582533538469544,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:35","end":"23:35","startHours":22.582533538469544,"endHours":23.582533538469544,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:35","end":"00:35","startHours":23.582533538469544,"endHours":24.582533538469544,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:35","end":"01:35","startHours":24.582533538469544,"endHours":25.582533538469544,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:35","end":"02:35","startHours":25.582533538469544,"endHours":26.582533538469544,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:35","end":"03:35","startHours":26.582533538469544,"endHours":27.582533538469544,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:35","end":"04:35","startHours":27.582533538469544,"endHours":28.582533538469544,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:35","end":"05:35","startHours":28.582533538469544,"endHours":29.582533538469544,"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":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"South-East","anandadiYoga":{"name":"Gada","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":7.786783834047059,"eotMinutes":6.610022173674397,"ayanamsa":-48.596}},"calendars":{"vikram_samvat":-3130,"saka_samvat":-3265,"bengali_samvat":-3780,"malayalam_era":-4011,"nanakshahi_year":-4656,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Kārtika","lunar_month_amanta":"Kārtika","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Kṛṣṇa Pratipada · Vikram -3130 undefined · Śaka -3265 undefined"},"festivals":[],"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":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Kṛttikā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Kṛttikā","url":"/day/-3137-12-25","relevance":0.5}]},"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 September 18, 3188 BCE · Ayodhyā · Vidhyamitra","description":"September 18, 3188 BCE for Ayodhyā: Kṛṣṇa Pratipada, sūryodaya 05:35, sūryāsta 18:14.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/-3187-09-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/-3187-09-18","sa":"https://sa.vidhyamitra.com/city/ayodhya/-3187-09-18","hi":"https://hi.vidhyamitra.com/city/ayodhya/-3187-09-18","x-default":"https://vidhyamitra.com/city/ayodhya/-3187-09-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T15:12:38.836Z","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":"2026-06-02T15:12:38.836Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T15:12:38.836Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}