{"id":"vidhyamitra:city-day:ayodhya:1813-09-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1813-09-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1813-09-12","date_display":"September 12, 1813 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":1813,"month":9,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2383498.770833,"kali_year":4915,"ahargana":1795033.2708,"sun":{"sidereal_longitude":147.3252,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":344.9388,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":197.6137,"elapsed_within_tithi_degrees":5.6137},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4,"moon_longitude":344.9388,"elapsed_within_degrees":11.6055},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":132.264},"karana":{"half_tithi_index":32,"name":"Taitila"},"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":1813,"month":9,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2383498.770833,"ahargana":1795033.2708,"kali_year":4915,"ayanamsa_lahiri":21.2505,"grahas":{"sun":{"sidereal_longitude":147.599877,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":346.607777,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false,"latitude":-3.6595},"mars":{"sidereal_longitude":284.594777,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":132.429977,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":127.069077,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":179.46557699999994,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":263.407777,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":110.499,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":290.499,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","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":1813,"month":9,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2383498.770833,"kali_year":4915,"ahargana":1795033.2708,"sun":{"sidereal_longitude":147.3252,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":344.9388,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":197.6137,"elapsed_within_tithi_degrees":5.6137},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4,"moon_longitude":344.9388,"elapsed_within_degrees":11.6055},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":132.264},"karana":{"half_tithi_index":32,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.659,"elongation":162.386},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.659,"opposition_distance":17.614}},"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":"11:57","dayLengthHours":12.422674370882236,"dayLengthDisplay":"12 Hours 25 Mins 22 Secs","nightLengthDisplay":"11 Hours 34 Mins 38 Secs","moonriseLocal":"19:04","moonsetLocal":"07:22","rahuKala":{"name":"Rāhu Kāla","start":"16:36","end":"18:09","startHours":16.605177629947747,"endHours":18.158011926308028,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:57","end":"13:30","startHours":11.94667474086691,"endHours":13.499509037227188,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:03","end":"16:36","startHours":15.05234333358747,"endHours":16.605177629947747,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:38","end":"09:03","startHours":8.633961575298313,"endHours":9.048050720994388,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:15","end":"06:35","startHours":6.252948987545885,"endHours":6.584220304102745,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:32","end":"12:22","startHours":11.532585595170836,"endHours":12.360763886562985,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:05","end":"04:54","startHours":4.078980972641494,"endHours":4.907159264033643,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:42","end":"05:44","startHours":4.700114691185606,"endHours":5.735337555425792,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:01","end":"14:51","startHours":14.017120469347283,"endHours":14.845298760739432,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:57","end":"18:21","startHours":17.95801192630803,"endHours":18.358011926308027,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:09","end":"18:41","startHours":18.158011926308028,"endHours":18.675623358428123,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:54","end":"19:39","startHours":17.908011926308028,"endHours":19.658011926308028,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:32","end":"00:22","startHours":23.532585595170836,"endHours":24.360763886562985,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:44","end":"07:17","startHours":5.735337555425792,"endHours":7.288171851786071,"quality":"inauspicious"},{"name":"Chala","start":"07:17","end":"08:50","startHours":7.288171851786071,"endHours":8.84100614814635,"quality":"neutral"},{"name":"Labha","start":"08:50","end":"10:24","startHours":8.84100614814635,"endHours":10.39384044450663,"quality":"auspicious"},{"name":"Amṛta","start":"10:24","end":"11:57","startHours":10.39384044450663,"endHours":11.94667474086691,"quality":"auspicious"},{"name":"Kāla","start":"11:57","end":"13:30","startHours":11.94667474086691,"endHours":13.499509037227188,"quality":"inauspicious"},{"name":"Śubha","start":"13:30","end":"15:03","startHours":13.499509037227188,"endHours":15.05234333358747,"quality":"auspicious"},{"name":"Roga","start":"15:03","end":"16:36","startHours":15.05234333358747,"endHours":16.605177629947747,"quality":"inauspicious"},{"name":"Udveg","start":"16:36","end":"18:09","startHours":16.605177629947747,"endHours":18.158011926308028,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:09","end":"19:36","startHours":18.158011926308028,"endHours":19.605177629947747,"quality":"auspicious"},{"name":"Roga","start":"19:36","end":"21:03","startHours":19.605177629947747,"endHours":21.05234333358747,"quality":"inauspicious"},{"name":"Udveg","start":"21:03","end":"22:30","startHours":21.05234333358747,"endHours":22.499509037227188,"quality":"inauspicious"},{"name":"Chala","start":"22:30","end":"23:57","startHours":22.499509037227188,"endHours":23.94667474086691,"quality":"neutral"},{"name":"Labha","start":"23:57","end":"01:24","startHours":23.94667474086691,"endHours":25.39384044450663,"quality":"auspicious"},{"name":"Amṛta","start":"01:24","end":"02:50","startHours":25.39384044450663,"endHours":26.84100614814635,"quality":"auspicious"},{"name":"Kāla","start":"02:50","end":"04:17","startHours":26.84100614814635,"endHours":28.28817185178607,"quality":"inauspicious"},{"name":"Śubha","start":"04:17","end":"05:44","startHours":28.28817185178607,"endHours":29.735337555425794,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:44","end":"06:44","startHours":5.735337555425792,"endHours":6.735337555425792,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:44","end":"07:44","startHours":6.735337555425792,"endHours":7.735337555425792,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:44","end":"08:44","startHours":7.735337555425792,"endHours":8.735337555425792,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:44","end":"09:44","startHours":8.735337555425792,"endHours":9.735337555425792,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:44","end":"10:44","startHours":9.735337555425792,"endHours":10.735337555425792,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:44","end":"11:44","startHours":10.735337555425792,"endHours":11.735337555425792,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:44","end":"12:44","startHours":11.735337555425792,"endHours":12.735337555425792,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:44","end":"13:44","startHours":12.735337555425792,"endHours":13.735337555425792,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:44","end":"14:44","startHours":13.735337555425792,"endHours":14.735337555425792,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:44","end":"15:44","startHours":14.735337555425792,"endHours":15.735337555425792,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:44","end":"16:44","startHours":15.735337555425792,"endHours":16.735337555425794,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:44","end":"17:44","startHours":16.735337555425794,"endHours":17.735337555425794,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:44","end":"18:44","startHours":17.735337555425794,"endHours":18.735337555425794,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:44","end":"19:44","startHours":18.735337555425794,"endHours":19.735337555425794,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:44","end":"20:44","startHours":19.735337555425794,"endHours":20.735337555425794,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:44","end":"21:44","startHours":20.735337555425794,"endHours":21.735337555425794,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:44","end":"22:44","startHours":21.735337555425794,"endHours":22.735337555425794,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:44","end":"23:44","startHours":22.735337555425794,"endHours":23.735337555425794,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:44","end":"00:44","startHours":23.735337555425794,"endHours":24.735337555425794,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:44","end":"01:44","startHours":24.735337555425794,"endHours":25.735337555425794,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:44","end":"02:44","startHours":25.735337555425794,"endHours":26.735337555425794,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:44","end":"03:44","startHours":26.735337555425794,"endHours":27.735337555425794,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:44","end":"04:44","startHours":27.735337555425794,"endHours":28.735337555425794,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:44","end":"05:44","startHours":28.735337555425794,"endHours":29.735337555425794,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Cara","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":4.410987680010181,"eotMinutes":4.383515547985428,"ayanamsa":21.2505}},"calendars":{"vikram_samvat":1870,"vikram_samvatsara":"Vyaya","saka_samvat":1735,"saka_samvatsara":"Śrīmukha","bengali_samvat":1220,"malayalam_era":989,"nanakshahi_year":344,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","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":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Dvitīyā · Vikram 1870 Vyaya · Śaka 1735 Śrīmukha"},"festivals":[],"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 12, 1813 CE · Ayodhyā · Vidhyamitra","description":"September 12, 1813 CE for Ayodhyā: Kṛṣṇa Dvitīyā, sūryodaya 05:44, sūryāsta 18:09.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1813-09-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1813-09-12","sa":"https://sa.vidhyamitra.com/city/ayodhya/1813-09-12","hi":"https://hi.vidhyamitra.com/city/ayodhya/1813-09-12","x-default":"https://vidhyamitra.com/city/ayodhya/1813-09-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T11:18:36.090Z","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":"2026-06-02T11:18:36.090Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T11:18:36.090Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}