{"id":"vidhyamitra:city-day:ayodhya:1715-09-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1715-09-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1715-09-13","date_display":"September 13, 1715 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":1715,"month":9,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2347705.770833,"kali_year":4817,"ahargana":1759240.2708,"sun":{"sidereal_longitude":149.6192,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":323.9215,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":174.3023,"elapsed_within_tithi_degrees":6.3023},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2,"moon_longitude":323.9215,"elapsed_within_degrees":3.9215},"yoga":{"number":9,"name":"Śūla","sum_longitude":113.5407},"karana":{"half_tithi_index":29,"name":"Bava"},"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":1715,"month":9,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2347705.770833,"ahargana":1759240.2708,"kali_year":4817,"ayanamsa_lahiri":19.8815,"grahas":{"sun":{"sidereal_longitude":149.66283199999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":324.91443200000003,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false,"latitude":4.0109},"mars":{"sidereal_longitude":229.824432,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":141.576032,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":39.70303200000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":138.814032,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":160.22473200000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":206.9844,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":26.9844,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"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":1715,"month":9,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2347705.770833,"kali_year":4817,"ahargana":1759240.2708,"sun":{"sidereal_longitude":149.6192,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":323.9215,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":174.3023,"elapsed_within_tithi_degrees":6.3023},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2,"moon_longitude":323.9215,"elapsed_within_degrees":3.9215},"yoga":{"number":9,"name":"Śūla","sum_longitude":113.5407},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.011,"elongation":174.302},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.011,"opposition_distance":5.698}},"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":"05:44","sunsetLocal":"18:09","solarNoonLocal":"11:56","dayLengthHours":12.404190485471533,"dayLengthDisplay":"12 Hours 24 Mins 15 Secs","nightLengthDisplay":"11 Hours 35 Mins 45 Secs","moonriseLocal":"17:47","moonsetLocal":"05:28","rahuKala":{"name":"Rāhu Kāla","start":"10:23","end":"11:56","startHours":10.389978340484959,"endHours":11.9405021511689,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:02","end":"16:36","startHours":15.041549772536783,"endHours":16.592073583220724,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:17","end":"08:50","startHours":7.288930719117074,"endHours":8.839454529801015,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:38","end":"09:03","startHours":8.632718021709824,"endHours":9.046191037892207,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:15","end":"06:35","startHours":6.255248178661113,"endHours":6.586026591607021,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:32","end":"12:21","startHours":11.527029134986515,"endHours":12.353975167351285,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:05","end":"04:55","startHours":4.0845148437035945,"endHours":4.911460876068364,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:42","end":"05:44","startHours":4.704724367977171,"endHours":5.738406908433133,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:00","end":"14:50","startHours":14.007867232080821,"endHours":14.83481326444559,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:57","end":"18:21","startHours":17.942597393904666,"endHours":18.342597393904665,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:09","end":"18:40","startHours":18.142597393904666,"endHours":18.659438664132647,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:54","end":"19:39","startHours":17.892597393904666,"endHours":19.642597393904666,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:32","end":"00:21","startHours":23.527029134986517,"endHours":24.353975167351283,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:44","end":"07:17","startHours":5.738406908433133,"endHours":7.288930719117074,"quality":"neutral"},{"name":"Labha","start":"07:17","end":"08:50","startHours":7.288930719117074,"endHours":8.839454529801015,"quality":"auspicious"},{"name":"Amṛta","start":"08:50","end":"10:23","startHours":8.839454529801015,"endHours":10.389978340484959,"quality":"auspicious"},{"name":"Kāla","start":"10:23","end":"11:56","startHours":10.389978340484959,"endHours":11.9405021511689,"quality":"inauspicious"},{"name":"Śubha","start":"11:56","end":"13:29","startHours":11.9405021511689,"endHours":13.491025961852841,"quality":"auspicious"},{"name":"Roga","start":"13:29","end":"15:02","startHours":13.491025961852841,"endHours":15.041549772536783,"quality":"inauspicious"},{"name":"Udveg","start":"15:02","end":"16:36","startHours":15.041549772536783,"endHours":16.592073583220724,"quality":"inauspicious"},{"name":"Chala","start":"16:36","end":"18:09","startHours":16.592073583220724,"endHours":18.142597393904666,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:09","end":"19:36","startHours":18.142597393904666,"endHours":19.592073583220724,"quality":"inauspicious"},{"name":"Udveg","start":"19:36","end":"21:02","startHours":19.592073583220724,"endHours":21.041549772536783,"quality":"inauspicious"},{"name":"Chala","start":"21:02","end":"22:29","startHours":21.041549772536783,"endHours":22.49102596185284,"quality":"neutral"},{"name":"Labha","start":"22:29","end":"23:56","startHours":22.49102596185284,"endHours":23.9405021511689,"quality":"auspicious"},{"name":"Amṛta","start":"23:56","end":"01:23","startHours":23.9405021511689,"endHours":25.38997834048496,"quality":"auspicious"},{"name":"Kāla","start":"01:23","end":"02:50","startHours":25.38997834048496,"endHours":26.839454529801017,"quality":"inauspicious"},{"name":"Śubha","start":"02:50","end":"04:17","startHours":26.839454529801017,"endHours":28.288930719117076,"quality":"auspicious"},{"name":"Roga","start":"04:17","end":"05:44","startHours":28.288930719117076,"endHours":29.738406908433134,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:44","end":"06:44","startHours":5.738406908433133,"endHours":6.738406908433133,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:44","end":"07:44","startHours":6.738406908433133,"endHours":7.738406908433133,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:44","end":"08:44","startHours":7.738406908433133,"endHours":8.738406908433133,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:44","end":"09:44","startHours":8.738406908433133,"endHours":9.738406908433133,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:44","end":"10:44","startHours":9.738406908433133,"endHours":10.738406908433133,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:44","end":"11:44","startHours":10.738406908433133,"endHours":11.738406908433133,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:44","end":"12:44","startHours":11.738406908433133,"endHours":12.738406908433133,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:44","end":"13:44","startHours":12.738406908433133,"endHours":13.738406908433133,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:44","end":"14:44","startHours":13.738406908433133,"endHours":14.738406908433133,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:44","end":"15:44","startHours":14.738406908433133,"endHours":15.738406908433133,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:44","end":"16:44","startHours":15.738406908433133,"endHours":16.738406908433134,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:44","end":"17:44","startHours":16.738406908433134,"endHours":17.738406908433134,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:44","end":"18:44","startHours":17.738406908433134,"endHours":18.738406908433134,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:44","end":"19:44","startHours":18.738406908433134,"endHours":19.738406908433134,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:44","end":"20:44","startHours":19.738406908433134,"endHours":20.738406908433134,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:44","end":"21:44","startHours":20.738406908433134,"endHours":21.738406908433134,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:44","end":"22:44","startHours":21.738406908433134,"endHours":22.738406908433134,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:44","end":"23:44","startHours":22.738406908433134,"endHours":23.738406908433134,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:44","end":"00:44","startHours":23.738406908433134,"endHours":24.738406908433134,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:44","end":"01:44","startHours":24.738406908433134,"endHours":25.738406908433134,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:44","end":"02:44","startHours":25.738406908433134,"endHours":26.738406908433134,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:44","end":"03:44","startHours":26.738406908433134,"endHours":27.738406908433134,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:44","end":"04:44","startHours":27.738406908433134,"endHours":28.738406908433134,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:44","end":"05:44","startHours":28.738406908433134,"endHours":29.738406908433134,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"South-East","anandadiYoga":{"name":"Mṛtyu","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":4.139115475598701,"eotMinutes":4.753870929866006,"ayanamsa":19.8815}},"calendars":{"vikram_samvat":1772,"vikram_samvatsara":"Kīlaka","saka_samvat":1637,"saka_samvatsara":"Manmatha","bengali_samvat":1122,"malayalam_era":891,"nanakshahi_year":246,"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 Pūrṇimā · Vikram 1772 Kīlaka · Śaka 1637 Manmatha"},"festivals":[{"id":"kanya-sankranti","name":"Kanyā Saṅkrānti (Mahālaya begins)","name_sanskrit":"कन्या सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Virgo; Mahālaya / Pitṛ-Pakṣa solar marker.","vrata":false,"detection":{"sun_rashi_ingress":"Kanyā"},"precedence":4}],"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 Śukla Pūrṇimā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Śukla Pūrṇimā","url":"/day/-0562-04-11","relevance":0.5}]},"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, 1715 CE · Ayodhyā · Vidhyamitra","description":"September 13, 1715 CE for Ayodhyā: Śukla Pūrṇimā, sūryodaya 05:44, sūryāsta 18:09.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1715-09-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1715-09-13","sa":"https://sa.vidhyamitra.com/city/ayodhya/1715-09-13","hi":"https://hi.vidhyamitra.com/city/ayodhya/1715-09-13","x-default":"https://vidhyamitra.com/city/ayodhya/1715-09-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T14:49:57.249Z","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":"2026-06-01T14:49:57.249Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T14:49:57.249Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}