{"id":"vidhyamitra:city-day:ayodhya:2173-04-11:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2173-04-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2173-04-11","date_display":"April 11, 2173 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":2173,"month":4,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514832.770833,"kali_year":5274,"ahargana":1926367.2708,"sun":{"sidereal_longitude":355.0425,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":339.2764,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":344.2339,"elapsed_within_tithi_degrees":8.2339},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2,"moon_longitude":339.2764,"elapsed_within_degrees":5.9431},"yoga":{"number":26,"name":"Indra","sum_longitude":334.319},"karana":{"half_tithi_index":57,"name":"Śakuni"},"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":2173,"month":4,"day":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2514832.770833,"ahargana":1926367.2708,"kali_year":5274,"ayanamsa_lahiri":26.2735,"grahas":{"sun":{"sidereal_longitude":355.296752,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":337.975552,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false,"latitude":-0.9742},"mars":{"sidereal_longitude":11.417651999999975,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":355.617752,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":231.46565199999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":8.295252000000005,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":338.182752,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":351.7917,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":171.7917,"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":2173,"month":4,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514832.770833,"kali_year":5274,"ahargana":1926367.2708,"sun":{"sidereal_longitude":355.0425,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":339.2764,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":344.2339,"elapsed_within_tithi_degrees":8.2339},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2,"moon_longitude":339.2764,"elapsed_within_degrees":5.9431},"yoga":{"number":26,"name":"Indra","sum_longitude":334.319},"karana":{"half_tithi_index":57,"name":"Śakuni"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.974,"elongation":15.766},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.974,"opposition_distance":164.234}},"eclipse_window_40days":[{"offset_days":1,"type":"solar","occurs":true,"moon_latitude":0.108,"elongation":2.903}]},"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":"05:42","sunsetLocal":"18:23","solarNoonLocal":"12:03","dayLengthHours":12.697120707454467,"dayLengthDisplay":"12 Hours 41 Mins 50 Secs","nightLengthDisplay":"11 Hours 18 Mins 10 Secs","moonriseLocal":"04:47","moonsetLocal":"16:59","rahuKala":{"name":"Rāhu Kāla","start":"16:48","end":"18:23","startHours":16.803198380970038,"endHours":18.390338469401847,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:03","end":"13:38","startHours":12.041778115674614,"endHours":13.628918204106423,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:13","end":"16:48","startHours":15.21605829253823,"endHours":16.803198380970038,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:39","end":"09:05","startHours":8.655879260353423,"endHours":9.079116617268571,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:13","end":"06:34","startHours":6.222264458091317,"endHours":6.560854343623436,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:37","end":"12:28","startHours":11.618540758759465,"endHours":12.465015472589762,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:00","end":"04:51","startHours":4.000268334286785,"endHours":4.846743048117083,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:38","end":"05:42","startHours":4.635124369659508,"endHours":5.6932177619473805,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"15:00","startHours":14.15796490025036,"endHours":15.004439614080658,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:11","end":"18:35","startHours":18.190338469401848,"endHours":18.590338469401846,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:23","end":"18:55","startHours":18.390338469401847,"endHours":18.919385165545783,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:08","end":"19:53","startHours":18.140338469401847,"endHours":19.890338469401847,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:37","end":"00:28","startHours":23.618540758759465,"endHours":24.465015472589762,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:42","end":"07:17","startHours":5.6932177619473805,"endHours":7.280357850379189,"quality":"inauspicious"},{"name":"Chala","start":"07:17","end":"08:52","startHours":7.280357850379189,"endHours":8.867497938810997,"quality":"neutral"},{"name":"Labha","start":"08:52","end":"10:27","startHours":8.867497938810997,"endHours":10.454638027242805,"quality":"auspicious"},{"name":"Amṛta","start":"10:27","end":"12:03","startHours":10.454638027242805,"endHours":12.041778115674614,"quality":"auspicious"},{"name":"Kāla","start":"12:03","end":"13:38","startHours":12.041778115674614,"endHours":13.628918204106423,"quality":"inauspicious"},{"name":"Śubha","start":"13:38","end":"15:13","startHours":13.628918204106423,"endHours":15.21605829253823,"quality":"auspicious"},{"name":"Roga","start":"15:13","end":"16:48","startHours":15.21605829253823,"endHours":16.803198380970038,"quality":"inauspicious"},{"name":"Udveg","start":"16:48","end":"18:23","startHours":16.803198380970038,"endHours":18.390338469401847,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:23","end":"19:48","startHours":18.390338469401847,"endHours":19.803198380970038,"quality":"auspicious"},{"name":"Roga","start":"19:48","end":"21:13","startHours":19.803198380970038,"endHours":21.21605829253823,"quality":"inauspicious"},{"name":"Udveg","start":"21:13","end":"22:38","startHours":21.21605829253823,"endHours":22.628918204106423,"quality":"inauspicious"},{"name":"Chala","start":"22:38","end":"00:03","startHours":22.628918204106423,"endHours":24.041778115674614,"quality":"neutral"},{"name":"Labha","start":"00:03","end":"01:27","startHours":24.041778115674614,"endHours":25.454638027242805,"quality":"auspicious"},{"name":"Amṛta","start":"01:27","end":"02:52","startHours":25.454638027242805,"endHours":26.867497938811,"quality":"auspicious"},{"name":"Kāla","start":"02:52","end":"04:17","startHours":26.867497938811,"endHours":28.28035785037919,"quality":"inauspicious"},{"name":"Śubha","start":"04:17","end":"05:42","startHours":28.28035785037919,"endHours":29.69321776194738,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:42","end":"06:42","startHours":5.6932177619473805,"endHours":6.6932177619473805,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:42","end":"07:42","startHours":6.6932177619473805,"endHours":7.6932177619473805,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:42","end":"08:42","startHours":7.6932177619473805,"endHours":8.69321776194738,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:42","end":"09:42","startHours":8.69321776194738,"endHours":9.69321776194738,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:42","end":"10:42","startHours":9.69321776194738,"endHours":10.69321776194738,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:42","end":"11:42","startHours":10.69321776194738,"endHours":11.69321776194738,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:42","end":"12:42","startHours":11.69321776194738,"endHours":12.69321776194738,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:42","end":"13:42","startHours":12.69321776194738,"endHours":13.69321776194738,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:42","end":"14:42","startHours":13.69321776194738,"endHours":14.69321776194738,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:42","end":"15:42","startHours":14.69321776194738,"endHours":15.69321776194738,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:42","end":"16:42","startHours":15.69321776194738,"endHours":16.69321776194738,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:42","end":"17:42","startHours":16.69321776194738,"endHours":17.69321776194738,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:42","end":"18:42","startHours":17.69321776194738,"endHours":18.69321776194738,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:42","end":"19:42","startHours":18.69321776194738,"endHours":19.69321776194738,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:42","end":"20:42","startHours":19.69321776194738,"endHours":20.69321776194738,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:42","end":"21:42","startHours":20.69321776194738,"endHours":21.69321776194738,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:42","end":"22:42","startHours":21.69321776194738,"endHours":22.69321776194738,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:42","end":"23:42","startHours":22.69321776194738,"endHours":23.69321776194738,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:42","end":"00:42","startHours":23.69321776194738,"endHours":24.69321776194738,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:42","end":"01:42","startHours":24.69321776194738,"endHours":25.69321776194738,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:42","end":"02:42","startHours":25.69321776194738,"endHours":26.69321776194738,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:42","end":"03:42","startHours":26.69321776194738,"endHours":27.69321776194738,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:42","end":"04:42","startHours":27.69321776194738,"endHours":28.69321776194738,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:42","end":"05:42","startHours":28.69321776194738,"endHours":29.69321776194738,"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":"Vasanta (Spring) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":8.40811047713364,"eotMinutes":-1.322686940476858,"ayanamsa":26.2735}},"calendars":{"vikram_samvat":2230,"vikram_samvatsara":"Vyaya","saka_samvat":2095,"saka_samvatsara":"Śrīmukha","bengali_samvat":1580,"malayalam_era":1349,"nanakshahi_year":704,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Caitra","lunar_month_amanta":"Phālguna","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Kṛṣṇa Caturdaśī · Vikram 2230 Vyaya · Śaka 2095 Śrīmukha"},"festivals":[{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"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 April 11, 2173 CE · Ayodhyā · Vidhyamitra","description":"April 11, 2173 CE for Ayodhyā: Kṛṣṇa Caturdaśī, sūryodaya 05:42, sūryāsta 18:23.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2173-04-11","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2173-04-11","sa":"https://sa.vidhyamitra.com/city/ayodhya/2173-04-11","hi":"https://hi.vidhyamitra.com/city/ayodhya/2173-04-11","x-default":"https://vidhyamitra.com/city/ayodhya/2173-04-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T02:03:55.264Z","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":"2026-05-31T02:03:55.264Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T02:03:55.264Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}