{"id":"vidhyamitra:city-day:ayodhya:1875-09-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1875-09-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1875-09-13","date_display":"September 13, 1875 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":1875,"month":9,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2406144.770833,"kali_year":4977,"ahargana":1817679.2708,"sun":{"sidereal_longitude":147.2835,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":295.5533,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":148.2698,"elapsed_within_tithi_degrees":4.2698},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1,"moon_longitude":295.5533,"elapsed_within_degrees":2.2199},"yoga":{"number":7,"name":"Sukarma","sum_longitude":82.8367},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":1875,"month":9,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2406144.770833,"ahargana":1817679.2708,"kali_year":4977,"ayanamsa_lahiri":22.1166,"grahas":{"sun":{"sidereal_longitude":147.70833300000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":296.353833,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false,"latitude":-3.6873},"mars":{"sidereal_longitude":255.2887330000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":166.74393299999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":190.444933,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":146.71203300000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":299.7851330000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":350.6049,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":170.6049,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","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":1875,"month":9,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2406144.770833,"kali_year":4977,"ahargana":1817679.2708,"sun":{"sidereal_longitude":147.2835,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":295.5533,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":148.2698,"elapsed_within_tithi_degrees":4.2698},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1,"moon_longitude":295.5533,"elapsed_within_degrees":2.2199},"yoga":{"number":7,"name":"Sukarma","sum_longitude":82.8367},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.687,"elongation":148.27},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.687,"opposition_distance":31.73}},"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":"05:45","sunsetLocal":"18:08","solarNoonLocal":"11:56","dayLengthHours":12.396711587405122,"dayLengthDisplay":"12 Hours 23 Mins 48 Secs","nightLengthDisplay":"11 Hours 36 Mins 12 Secs","moonriseLocal":"16:20","moonsetLocal":"03:22","rahuKala":{"name":"Rāhu Kāla","start":"07:18","end":"08:50","startHours":7.291735305891979,"endHours":8.84132425431762,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:23","end":"11:56","startHours":10.39091320274326,"endHours":11.9405021511689,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:29","end":"15:02","startHours":13.49009109959454,"endHours":15.03968004802018,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:38","end":"09:03","startHours":8.634712394527535,"endHours":9.047936114107705,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:16","end":"06:35","startHours":6.258676006941553,"endHours":6.58925498260569,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:32","end":"12:21","startHours":11.52727843158873,"endHours":12.35372587074907,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:05","end":"04:55","startHours":4.0892514791456565,"endHours":4.915698918305997,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:43","end":"05:45","startHours":4.709087058515912,"endHours":5.742146357466339,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:00","end":"14:50","startHours":14.006620749069754,"endHours":14.833068188230095,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:56","end":"18:20","startHours":17.93885794487146,"endHours":18.33885794487146,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:08","end":"18:39","startHours":18.13885794487146,"endHours":18.655387594346674,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:53","end":"19:38","startHours":17.88885794487146,"endHours":19.63885794487146,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:32","end":"00:21","startHours":23.52727843158873,"endHours":24.35372587074907,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:45","end":"07:18","startHours":5.742146357466339,"endHours":7.291735305891979,"quality":"auspicious"},{"name":"Kāla","start":"07:18","end":"08:50","startHours":7.291735305891979,"endHours":8.84132425431762,"quality":"inauspicious"},{"name":"Śubha","start":"08:50","end":"10:23","startHours":8.84132425431762,"endHours":10.39091320274326,"quality":"auspicious"},{"name":"Roga","start":"10:23","end":"11:56","startHours":10.39091320274326,"endHours":11.9405021511689,"quality":"inauspicious"},{"name":"Udveg","start":"11:56","end":"13:29","startHours":11.9405021511689,"endHours":13.49009109959454,"quality":"inauspicious"},{"name":"Chala","start":"13:29","end":"15:02","startHours":13.49009109959454,"endHours":15.03968004802018,"quality":"neutral"},{"name":"Labha","start":"15:02","end":"16:35","startHours":15.03968004802018,"endHours":16.58926899644582,"quality":"auspicious"},{"name":"Amṛta","start":"16:35","end":"18:08","startHours":16.58926899644582,"endHours":18.13885794487146,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:08","end":"19:35","startHours":18.13885794487146,"endHours":19.58926899644582,"quality":"neutral"},{"name":"Labha","start":"19:35","end":"21:02","startHours":19.58926899644582,"endHours":21.03968004802018,"quality":"auspicious"},{"name":"Amṛta","start":"21:02","end":"22:29","startHours":21.03968004802018,"endHours":22.49009109959454,"quality":"auspicious"},{"name":"Kāla","start":"22:29","end":"23:56","startHours":22.49009109959454,"endHours":23.9405021511689,"quality":"inauspicious"},{"name":"Śubha","start":"23:56","end":"01:23","startHours":23.9405021511689,"endHours":25.39091320274326,"quality":"auspicious"},{"name":"Roga","start":"01:23","end":"02:50","startHours":25.39091320274326,"endHours":26.84132425431762,"quality":"inauspicious"},{"name":"Udveg","start":"02:50","end":"04:18","startHours":26.84132425431762,"endHours":28.29173530589198,"quality":"inauspicious"},{"name":"Chala","start":"04:18","end":"05:45","startHours":28.29173530589198,"endHours":29.74214635746634,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:45","end":"06:45","startHours":5.742146357466339,"endHours":6.742146357466339,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:45","end":"07:45","startHours":6.742146357466339,"endHours":7.742146357466339,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:45","end":"08:45","startHours":7.742146357466339,"endHours":8.74214635746634,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:45","end":"09:45","startHours":8.74214635746634,"endHours":9.74214635746634,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:45","end":"10:45","startHours":9.74214635746634,"endHours":10.74214635746634,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:45","end":"11:45","startHours":10.74214635746634,"endHours":11.74214635746634,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:45","end":"12:45","startHours":11.74214635746634,"endHours":12.74214635746634,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:45","end":"13:45","startHours":12.74214635746634,"endHours":13.74214635746634,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:45","end":"14:45","startHours":13.74214635746634,"endHours":14.74214635746634,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:45","end":"15:45","startHours":14.74214635746634,"endHours":15.74214635746634,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:45","end":"16:45","startHours":15.74214635746634,"endHours":16.74214635746634,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:45","end":"17:45","startHours":16.74214635746634,"endHours":17.74214635746634,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:45","end":"18:45","startHours":17.74214635746634,"endHours":18.74214635746634,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:45","end":"19:45","startHours":18.74214635746634,"endHours":19.74214635746634,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:45","end":"20:45","startHours":19.74214635746634,"endHours":20.74214635746634,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:45","end":"21:45","startHours":20.74214635746634,"endHours":21.74214635746634,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:45","end":"22:45","startHours":21.74214635746634,"endHours":22.74214635746634,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:45","end":"23:45","startHours":22.74214635746634,"endHours":23.74214635746634,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:45","end":"00:45","startHours":23.74214635746634,"endHours":24.74214635746634,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:45","end":"01:45","startHours":24.74214635746634,"endHours":25.74214635746634,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:45","end":"02:45","startHours":25.74214635746634,"endHours":26.74214635746634,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:45","end":"03:45","startHours":26.74214635746634,"endHours":27.74214635746634,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:45","end":"04:45","startHours":27.74214635746634,"endHours":28.74214635746634,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:45","end":"05:45","startHours":28.74214635746634,"endHours":29.74214635746634,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"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":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":4.029035759854623,"eotMinutes":4.753870929866006,"ayanamsa":22.1166}},"calendars":{"vikram_samvat":1932,"vikram_samvatsara":"Sarvadhāri","saka_samvat":1797,"saka_samvatsara":"Yuva","bengali_samvat":1282,"malayalam_era":1051,"nanakshahi_year":406,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Trayodaśī · Vikram 1932 Sarvadhāri · Śaka 1797 Yuva"},"festivals":[{"id":"simha-sankranti","name":"Siṁha Saṅkrānti","name_sanskrit":"सिंह सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Leo.","vrata":false,"detection":{"sun_rashi":"Siṃha"},"precedence":5},{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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, 1875 CE · Ayodhyā · Vidhyamitra","description":"September 13, 1875 CE for Ayodhyā: Śukla Trayodaśī, sūryodaya 05:45, sūryāsta 18:08.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1875-09-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1875-09-13","sa":"https://sa.vidhyamitra.com/city/ayodhya/1875-09-13","hi":"https://hi.vidhyamitra.com/city/ayodhya/1875-09-13","x-default":"https://vidhyamitra.com/city/ayodhya/1875-09-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-17T00:57:32.889Z","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":"2026-05-17T00:57:32.889Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-17T00:57:32.889Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}