{"id":"vidhyamitra:city-day:ayodhya:1801-04-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1801-04-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1801-04-17","date_display":"April 17, 1801 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":1801,"month":4,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2378967.770833,"kali_year":4903,"ahargana":1790502.2708,"sun":{"sidereal_longitude":6.0316,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":52.9998,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":46.9682,"elapsed_within_tithi_degrees":10.9682},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4,"moon_longitude":52.9998,"elapsed_within_degrees":12.9998},"yoga":{"number":5,"name":"Śobhana","sum_longitude":59.0315},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"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":1801,"month":4,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2378967.770833,"ahargana":1790502.2708,"kali_year":4903,"ayanamsa_lahiri":21.0772,"grahas":{"sun":{"sidereal_longitude":5.457493999999997,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":49.95119399999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false,"latitude":3.988},"mars":{"sidereal_longitude":73.136394,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":344.628894,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":96.319594,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"venus":{"sidereal_longitude":49.20549399999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":117.964294,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":350.5732,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":170.5732,"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":1801,"month":4,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2378967.770833,"kali_year":4903,"ahargana":1790502.2708,"sun":{"sidereal_longitude":6.0316,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":52.9998,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":46.9682,"elapsed_within_tithi_degrees":10.9682},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4,"moon_longitude":52.9998,"elapsed_within_degrees":12.9998},"yoga":{"number":5,"name":"Śobhana","sum_longitude":59.0315},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.988,"elongation":46.968},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.988,"opposition_distance":133.032}},"eclipse_window_40days":[{"offset_days":-4,"type":"solar","occurs":true,"moon_latitude":0.892,"elongation":0.096}]},"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":"05:36","sunsetLocal":"18:26","solarNoonLocal":"12:01","dayLengthHours":12.824767503224052,"dayLengthDisplay":"12 Hours 49 Mins 29 Secs","nightLengthDisplay":"11 Hours 10 Mins 31 Secs","moonriseLocal":"08:09","moonsetLocal":"21:49","rahuKala":{"name":"Rāhu Kāla","start":"10:25","end":"12:01","startHours":10.412236579101496,"endHours":12.015332517004502,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:13","end":"16:49","startHours":15.221524392810515,"endHours":16.824620330713522,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:12","end":"08:49","startHours":7.206044703295482,"endHours":8.80914064119849,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:36","end":"09:01","startHours":8.595394516144754,"endHours":9.022886766252222,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:08","end":"06:29","startHours":6.137314078026811,"endHours":6.4793078781127855,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:35","end":"12:27","startHours":11.587840266897034,"endHours":12.44282476711197,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:54","end":"04:45","startHours":3.8929797649626017,"endHours":4.747964265177538,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:32","end":"05:36","startHours":4.534218140123804,"endHours":5.602948765392475,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"15:00","startHours":14.152793767541844,"endHours":15.00777826775678,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:14","end":"18:38","startHours":18.22771626861653,"endHours":18.627716268616528,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:26","end":"18:58","startHours":18.42771626861653,"endHours":18.962081581250864,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:11","end":"19:56","startHours":18.17771626861653,"endHours":19.92771626861653,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:35","end":"00:27","startHours":23.587840266897032,"endHours":24.442824767111972,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:36","end":"07:12","startHours":5.602948765392475,"endHours":7.206044703295482,"quality":"neutral"},{"name":"Labha","start":"07:12","end":"08:49","startHours":7.206044703295482,"endHours":8.80914064119849,"quality":"auspicious"},{"name":"Amṛta","start":"08:49","end":"10:25","startHours":8.80914064119849,"endHours":10.412236579101496,"quality":"auspicious"},{"name":"Kāla","start":"10:25","end":"12:01","startHours":10.412236579101496,"endHours":12.015332517004502,"quality":"inauspicious"},{"name":"Śubha","start":"12:01","end":"13:37","startHours":12.015332517004502,"endHours":13.618428454907509,"quality":"auspicious"},{"name":"Roga","start":"13:37","end":"15:13","startHours":13.618428454907509,"endHours":15.221524392810515,"quality":"inauspicious"},{"name":"Udveg","start":"15:13","end":"16:49","startHours":15.221524392810515,"endHours":16.824620330713522,"quality":"inauspicious"},{"name":"Chala","start":"16:49","end":"18:26","startHours":16.824620330713522,"endHours":18.42771626861653,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:26","end":"19:49","startHours":18.42771626861653,"endHours":19.824620330713522,"quality":"inauspicious"},{"name":"Udveg","start":"19:49","end":"21:13","startHours":19.824620330713522,"endHours":21.221524392810515,"quality":"inauspicious"},{"name":"Chala","start":"21:13","end":"22:37","startHours":21.221524392810515,"endHours":22.61842845490751,"quality":"neutral"},{"name":"Labha","start":"22:37","end":"00:01","startHours":22.61842845490751,"endHours":24.015332517004502,"quality":"auspicious"},{"name":"Amṛta","start":"00:01","end":"01:25","startHours":24.015332517004502,"endHours":25.412236579101496,"quality":"auspicious"},{"name":"Kāla","start":"01:25","end":"02:49","startHours":25.412236579101496,"endHours":26.80914064119849,"quality":"inauspicious"},{"name":"Śubha","start":"02:49","end":"04:12","startHours":26.80914064119849,"endHours":28.206044703295483,"quality":"auspicious"},{"name":"Roga","start":"04:12","end":"05:36","startHours":28.206044703295483,"endHours":29.602948765392476,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:36","end":"06:36","startHours":5.602948765392475,"endHours":6.602948765392475,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:36","end":"07:36","startHours":6.602948765392475,"endHours":7.602948765392475,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:36","end":"08:36","startHours":7.602948765392475,"endHours":8.602948765392476,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:36","end":"09:36","startHours":8.602948765392476,"endHours":9.602948765392476,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:36","end":"10:36","startHours":9.602948765392476,"endHours":10.602948765392476,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:36","end":"11:36","startHours":10.602948765392476,"endHours":11.602948765392476,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:36","end":"12:36","startHours":11.602948765392476,"endHours":12.602948765392476,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:36","end":"13:36","startHours":12.602948765392476,"endHours":13.602948765392476,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:36","end":"14:36","startHours":13.602948765392476,"endHours":14.602948765392476,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:36","end":"15:36","startHours":14.602948765392476,"endHours":15.602948765392476,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:36","end":"16:36","startHours":15.602948765392476,"endHours":16.602948765392476,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:36","end":"17:36","startHours":16.602948765392476,"endHours":17.602948765392476,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:36","end":"18:36","startHours":17.602948765392476,"endHours":18.602948765392476,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:36","end":"19:36","startHours":18.602948765392476,"endHours":19.602948765392476,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:36","end":"20:36","startHours":19.602948765392476,"endHours":20.602948765392476,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:36","end":"21:36","startHours":20.602948765392476,"endHours":21.602948765392476,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:36","end":"22:36","startHours":21.602948765392476,"endHours":22.602948765392476,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:36","end":"23:36","startHours":22.602948765392476,"endHours":23.602948765392476,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:36","end":"00:36","startHours":23.602948765392476,"endHours":24.602948765392476,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:36","end":"01:36","startHours":24.602948765392476,"endHours":25.602948765392476,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:36","end":"02:36","startHours":25.602948765392476,"endHours":26.602948765392476,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:36","end":"03:36","startHours":26.602948765392476,"endHours":27.602948765392476,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:36","end":"04:36","startHours":27.602948765392476,"endHours":28.602948765392476,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:36","end":"05:36","startHours":28.602948765392476,"endHours":29.602948765392476,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"South-East","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":10.234821653302662,"eotMinutes":0.2640489797298191,"ayanamsa":21.0772}},"calendars":{"vikram_samvat":1858,"vikram_samvatsara":"Bhāva","saka_samvat":1723,"saka_samvatsara":"Durmati","bengali_samvat":1208,"malayalam_era":977,"nanakshahi_year":332,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Caturthī · Vikram 1858 Bhāva · Śaka 1723 Durmati"},"festivals":[{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"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":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Rohiṇī","url":"/day/-3226-07-09","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 April 17, 1801 CE · Ayodhyā · Vidhyamitra","description":"April 17, 1801 CE for Ayodhyā: Śukla Caturthī, sūryodaya 05:36, sūryāsta 18:26.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1801-04-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1801-04-17","sa":"https://sa.vidhyamitra.com/city/ayodhya/1801-04-17","hi":"https://hi.vidhyamitra.com/city/ayodhya/1801-04-17","x-default":"https://vidhyamitra.com/city/ayodhya/1801-04-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T03:03:49.741Z","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":"2026-05-31T03:03:49.741Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T03:03:49.741Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}