{"id":"vidhyamitra:city-day:ayodhya:2287-09-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2287-09-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2287-09-13","date_display":"September 13, 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":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2556624.770833,"kali_year":5389,"ahargana":1968159.2708,"sun":{"sidereal_longitude":140.8741,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":195.4508,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":54.5767,"elapsed_within_tithi_degrees":6.5767},"nakshatra":{"number":15,"name":"Svātī","pada":3,"moon_longitude":195.4508,"elapsed_within_degrees":8.7841},"yoga":{"number":26,"name":"Indra","sum_longitude":336.3249},"karana":{"half_tithi_index":9,"name":"Bālava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2556624.770833,"ahargana":1968159.2708,"kali_year":5389,"ayanamsa_lahiri":27.8719,"grahas":{"sun":{"sidereal_longitude":142.28509099999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":197.04879099999994,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false,"latitude":-4.4015},"mars":{"sidereal_longitude":300.56599099999994,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":120.934891,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":108.00319100000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":95.550791,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":291.6957910000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":297.4504,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":117.4504,"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":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2556624.770833,"kali_year":5389,"ahargana":1968159.2708,"sun":{"sidereal_longitude":140.8741,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":195.4508,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":54.5767,"elapsed_within_tithi_degrees":6.5767},"nakshatra":{"number":15,"name":"Svātī","pada":3,"moon_longitude":195.4508,"elapsed_within_degrees":8.7841},"yoga":{"number":26,"name":"Indra","sum_longitude":336.3249},"karana":{"half_tithi_index":9,"name":"Bālava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.401,"elongation":54.577},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.401,"opposition_distance":125.423}},"eclipse_window_40days":[{"offset_days":-20,"type":"lunar","occurs":true,"moon_latitude":0.207,"opposition_distance":0.472}]},"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":"05:45","sunsetLocal":"18:08","solarNoonLocal":"11:56","dayLengthHours":12.387857724599,"dayLengthDisplay":"12 Hours 23 Mins 16 Secs","nightLengthDisplay":"11 Hours 36 Mins 44 Secs","moonriseLocal":"10:07","moonsetLocal":"21:04","rahuKala":{"name":"Rāhu Kāla","start":"15:02","end":"16:35","startHours":15.03746658231865,"endHours":16.585948797893526,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:51","end":"10:24","startHours":8.843537720019151,"endHours":10.392019935594025,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:56","end":"13:29","startHours":11.9405021511689,"endHours":13.488984366743775,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:38","end":"09:03","startHours":8.637073424609166,"endHours":9.050002015429135,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:16","end":"06:36","startHours":6.262734027394359,"endHours":6.593076900050332,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:32","end":"12:21","startHours":11.527573560348934,"endHours":12.353430741988866,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:06","end":"04:55","startHours":4.094858925589534,"endHours":4.920716107229468,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:43","end":"05:45","startHours":4.7142518118194845,"endHours":5.746573288869401,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:00","end":"14:50","startHours":14.005145105268733,"endHours":14.831002286908666,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:56","end":"18:20","startHours":17.9344310134684,"endHours":18.3344310134684,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:08","end":"18:39","startHours":18.1344310134684,"endHours":18.65059175199336,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:53","end":"19:38","startHours":17.8844310134684,"endHours":19.6344310134684,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:32","end":"00:21","startHours":23.527573560348934,"endHours":24.353430741988866,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:45","end":"07:18","startHours":5.746573288869401,"endHours":7.295055504444276,"quality":"inauspicious"},{"name":"Udveg","start":"07:18","end":"08:51","startHours":7.295055504444276,"endHours":8.843537720019151,"quality":"inauspicious"},{"name":"Chala","start":"08:51","end":"10:24","startHours":8.843537720019151,"endHours":10.392019935594025,"quality":"neutral"},{"name":"Labha","start":"10:24","end":"11:56","startHours":10.392019935594025,"endHours":11.9405021511689,"quality":"auspicious"},{"name":"Amṛta","start":"11:56","end":"13:29","startHours":11.9405021511689,"endHours":13.488984366743775,"quality":"auspicious"},{"name":"Kāla","start":"13:29","end":"15:02","startHours":13.488984366743775,"endHours":15.03746658231865,"quality":"inauspicious"},{"name":"Śubha","start":"15:02","end":"16:35","startHours":15.03746658231865,"endHours":16.585948797893526,"quality":"auspicious"},{"name":"Roga","start":"16:35","end":"18:08","startHours":16.585948797893526,"endHours":18.1344310134684,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:08","end":"19:35","startHours":18.1344310134684,"endHours":19.585948797893526,"quality":"inauspicious"},{"name":"Śubha","start":"19:35","end":"21:02","startHours":19.585948797893526,"endHours":21.03746658231865,"quality":"auspicious"},{"name":"Roga","start":"21:02","end":"22:29","startHours":21.03746658231865,"endHours":22.488984366743775,"quality":"inauspicious"},{"name":"Udveg","start":"22:29","end":"23:56","startHours":22.488984366743775,"endHours":23.9405021511689,"quality":"inauspicious"},{"name":"Chala","start":"23:56","end":"01:24","startHours":23.9405021511689,"endHours":25.392019935594025,"quality":"neutral"},{"name":"Labha","start":"01:24","end":"02:51","startHours":25.392019935594025,"endHours":26.84353772001915,"quality":"auspicious"},{"name":"Amṛta","start":"02:51","end":"04:18","startHours":26.84353772001915,"endHours":28.295055504444278,"quality":"auspicious"},{"name":"Kāla","start":"04:18","end":"05:45","startHours":28.295055504444278,"endHours":29.7465732888694,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:45","end":"06:45","startHours":5.746573288869401,"endHours":6.746573288869401,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:45","end":"07:45","startHours":6.746573288869401,"endHours":7.746573288869401,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:45","end":"08:45","startHours":7.746573288869401,"endHours":8.746573288869401,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:45","end":"09:45","startHours":8.746573288869401,"endHours":9.746573288869401,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:45","end":"10:45","startHours":9.746573288869401,"endHours":10.746573288869401,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:45","end":"11:45","startHours":10.746573288869401,"endHours":11.746573288869401,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:45","end":"12:45","startHours":11.746573288869401,"endHours":12.746573288869401,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:45","end":"13:45","startHours":12.746573288869401,"endHours":13.746573288869401,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:45","end":"14:45","startHours":13.746573288869401,"endHours":14.746573288869401,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:45","end":"15:45","startHours":14.746573288869401,"endHours":15.746573288869401,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:45","end":"16:45","startHours":15.746573288869401,"endHours":16.7465732888694,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:45","end":"17:45","startHours":16.7465732888694,"endHours":17.7465732888694,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:45","end":"18:45","startHours":17.7465732888694,"endHours":18.7465732888694,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:45","end":"19:45","startHours":18.7465732888694,"endHours":19.7465732888694,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:45","end":"20:45","startHours":19.7465732888694,"endHours":20.7465732888694,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:45","end":"21:45","startHours":20.7465732888694,"endHours":21.7465732888694,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:45","end":"22:45","startHours":21.7465732888694,"endHours":22.7465732888694,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:45","end":"23:45","startHours":22.7465732888694,"endHours":23.7465732888694,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:45","end":"00:45","startHours":23.7465732888694,"endHours":24.7465732888694,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:45","end":"01:45","startHours":24.7465732888694,"endHours":25.7465732888694,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:45","end":"02:45","startHours":25.7465732888694,"endHours":26.7465732888694,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:45","end":"03:45","startHours":26.7465732888694,"endHours":27.7465732888694,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:45","end":"04:45","startHours":27.7465732888694,"endHours":28.7465732888694,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:45","end":"05:45","startHours":28.7465732888694,"endHours":29.7465732888694,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"North","rahuVasa":"North","anandadiYoga":{"name":"Gada","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":3.898663863943479,"eotMinutes":4.753870929866006,"ayanamsa":27.8719}},"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 Pañcamī · Vikram 2344 Vikrama · Śaka 2209 Prabhava"},"festivals":[],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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 13, 2287 CE · Ayodhyā · Vidhyamitra","description":"September 13, 2287 CE for Ayodhyā: Śukla Pañcamī, sūryodaya 05:45, sūryāsta 18:08.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2287-09-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2287-09-13","sa":"https://sa.vidhyamitra.com/city/ayodhya/2287-09-13","hi":"https://hi.vidhyamitra.com/city/ayodhya/2287-09-13","x-default":"https://vidhyamitra.com/city/ayodhya/2287-09-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T09:15:30.542Z","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":"2026-06-01T09:15:30.542Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T09:15:30.542Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}