{"id":"vidhyamitra:city-day:ayodhya:1809-05-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1809-05-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1809-05-20","date_display":"May 20, 1809 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":1809,"month":5,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2381922.770833,"kali_year":4911,"ahargana":1793457.2708,"sun":{"sidereal_longitude":37.7466,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":102.3724,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":64.6258,"elapsed_within_tithi_degrees":4.6258},"nakshatra":{"number":8,"name":"Puṣya","pada":3,"moon_longitude":102.3724,"elapsed_within_degrees":9.0391},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":140.119},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":1809,"month":5,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2381922.770833,"ahargana":1793457.2708,"kali_year":4911,"ayanamsa_lahiri":21.1902,"grahas":{"sun":{"sidereal_longitude":37.36249099999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":98.02179100000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false,"latitude":-4.4982},"mars":{"sidereal_longitude":170.26359100000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":true},"mercury":{"sidereal_longitude":49.25039099999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":356.173691,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":46.839890999999966,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":true},"saturn":{"sidereal_longitude":221.44139100000007,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":194.0031,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":14.0031,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","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":1809,"month":5,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2381922.770833,"kali_year":4911,"ahargana":1793457.2708,"sun":{"sidereal_longitude":37.7466,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":102.3724,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":64.6258,"elapsed_within_tithi_degrees":4.6258},"nakshatra":{"number":8,"name":"Puṣya","pada":3,"moon_longitude":102.3724,"elapsed_within_degrees":9.0391},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":140.119},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.498,"elongation":64.626},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.498,"opposition_distance":115.374}},"eclipse_window_40days":[{"offset_days":-20,"type":"lunar","occurs":true,"moon_latitude":0.225,"opposition_distance":0.622}]},"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":"05:12","sunsetLocal":"18:44","solarNoonLocal":"11:58","dayLengthHours":13.534490168494315,"dayLengthDisplay":"13 Hours 32 Mins 04 Secs","nightLengthDisplay":"10 Hours 27 Mins 56 Secs","moonriseLocal":"09:14","moonsetLocal":"22:46","rahuKala":{"name":"Rāhu Kāla","start":"08:35","end":"10:16","startHours":8.57613890760667,"endHours":10.267950178668457,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:39","end":"15:21","startHours":13.651572720792036,"endHours":15.343383991853827,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:12","end":"06:53","startHours":5.1925163654830895,"endHours":6.884327636544879,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:21","end":"08:48","startHours":8.350564071465097,"endHours":8.801713743748241,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:45","end":"06:07","startHours":5.756453455837019,"endHours":6.117373193663535,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:31","end":"12:25","startHours":11.508611777447104,"endHours":12.410911122013392,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:23","end":"04:17","startHours":3.387917676350514,"endHours":4.290217020916802,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:04","end":"05:12","startHours":4.06464218477523,"endHours":5.1925163654830895,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:13","end":"15:07","startHours":14.215509811145967,"endHours":15.117809155712255,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:32","end":"18:56","startHours":18.527006533977406,"endHours":18.927006533977405,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:44","end":"19:17","startHours":18.727006533977406,"endHours":19.290943624331334,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:29","end":"20:14","startHours":18.477006533977406,"endHours":20.227006533977406,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:31","end":"00:25","startHours":23.508611777447104,"endHours":24.410911122013392,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:12","end":"06:53","startHours":5.1925163654830895,"endHours":6.884327636544879,"quality":"inauspicious"},{"name":"Śubha","start":"06:53","end":"08:35","startHours":6.884327636544879,"endHours":8.57613890760667,"quality":"auspicious"},{"name":"Roga","start":"08:35","end":"10:16","startHours":8.57613890760667,"endHours":10.267950178668457,"quality":"inauspicious"},{"name":"Udveg","start":"10:16","end":"11:58","startHours":10.267950178668457,"endHours":11.959761449730248,"quality":"inauspicious"},{"name":"Chala","start":"11:58","end":"13:39","startHours":11.959761449730248,"endHours":13.651572720792036,"quality":"neutral"},{"name":"Labha","start":"13:39","end":"15:21","startHours":13.651572720792036,"endHours":15.343383991853827,"quality":"auspicious"},{"name":"Amṛta","start":"15:21","end":"17:02","startHours":15.343383991853827,"endHours":17.035195262915614,"quality":"auspicious"},{"name":"Kāla","start":"17:02","end":"18:44","startHours":17.035195262915614,"endHours":18.727006533977406,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:44","end":"20:02","startHours":18.727006533977406,"endHours":20.035195262915614,"quality":"auspicious"},{"name":"Amṛta","start":"20:02","end":"21:21","startHours":20.035195262915614,"endHours":21.343383991853827,"quality":"auspicious"},{"name":"Kāla","start":"21:21","end":"22:39","startHours":21.343383991853827,"endHours":22.65157272079204,"quality":"inauspicious"},{"name":"Śubha","start":"22:39","end":"23:58","startHours":22.65157272079204,"endHours":23.959761449730248,"quality":"auspicious"},{"name":"Roga","start":"23:58","end":"01:16","startHours":23.959761449730248,"endHours":25.267950178668457,"quality":"inauspicious"},{"name":"Udveg","start":"01:16","end":"02:35","startHours":25.267950178668457,"endHours":26.57613890760667,"quality":"inauspicious"},{"name":"Chala","start":"02:35","end":"03:53","startHours":26.57613890760667,"endHours":27.88432763654488,"quality":"neutral"},{"name":"Labha","start":"03:53","end":"05:12","startHours":27.88432763654488,"endHours":29.19251636548309,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:12","end":"06:12","startHours":5.1925163654830895,"endHours":6.1925163654830895,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:12","end":"07:12","startHours":6.1925163654830895,"endHours":7.1925163654830895,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:12","end":"08:12","startHours":7.1925163654830895,"endHours":8.19251636548309,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:12","end":"09:12","startHours":8.19251636548309,"endHours":9.19251636548309,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:12","end":"10:12","startHours":9.19251636548309,"endHours":10.19251636548309,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:12","end":"11:12","startHours":10.19251636548309,"endHours":11.19251636548309,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:12","end":"12:12","startHours":11.19251636548309,"endHours":12.19251636548309,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:12","end":"13:12","startHours":12.19251636548309,"endHours":13.19251636548309,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:12","end":"14:12","startHours":13.19251636548309,"endHours":14.19251636548309,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:12","end":"15:12","startHours":14.19251636548309,"endHours":15.19251636548309,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:12","end":"16:12","startHours":15.19251636548309,"endHours":16.19251636548309,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:12","end":"17:12","startHours":16.19251636548309,"endHours":17.19251636548309,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:12","end":"18:12","startHours":17.19251636548309,"endHours":18.19251636548309,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:12","end":"19:12","startHours":18.19251636548309,"endHours":19.19251636548309,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:12","end":"20:12","startHours":19.19251636548309,"endHours":20.19251636548309,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:12","end":"21:12","startHours":20.19251636548309,"endHours":21.19251636548309,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:12","end":"22:12","startHours":21.19251636548309,"endHours":22.19251636548309,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:12","end":"23:12","startHours":22.19251636548309,"endHours":23.19251636548309,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:12","end":"00:12","startHours":23.19251636548309,"endHours":24.19251636548309,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:12","end":"01:12","startHours":24.19251636548309,"endHours":25.19251636548309,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:12","end":"02:12","startHours":25.19251636548309,"endHours":26.19251636548309,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:12","end":"03:12","startHours":26.19251636548309,"endHours":27.19251636548309,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:12","end":"04:12","startHours":27.19251636548309,"endHours":28.19251636548309,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:12","end":"05:12","startHours":28.19251636548309,"endHours":29.19251636548309,"planetary_lord":"Mercury"}],"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":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"East","anandadiYoga":{"name":"Prajāpati","quality":"Auspicious"},"drikRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":19.835062867052972,"eotMinutes":3.5983130161851964,"ayanamsa":21.1902}},"calendars":{"vikram_samvat":1866,"vikram_samvatsara":"Citrabhānu","saka_samvat":1731,"saka_samvatsara":"Śukla","bengali_samvat":1216,"malayalam_era":985,"nanakshahi_year":340,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Śukla Pakṣa","solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Śukla Ṣaṣṭhī · Vikram 1866 Citrabhānu · Śaka 1731 Śukla"},"festivals":[{"id":"vrishabha-sankranti","name":"Vṛṣabha Saṅkrānti","name_sanskrit":"वृषभ सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Taurus.","vrata":false,"detection":{"sun_rashi":"Vṛṣabha"},"precedence":5}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 May 20, 1809 CE · Ayodhyā · Vidhyamitra","description":"May 20, 1809 CE for Ayodhyā: Śukla Ṣaṣṭhī, sūryodaya 05:12, sūryāsta 18:44.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1809-05-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1809-05-20","sa":"https://sa.vidhyamitra.com/city/ayodhya/1809-05-20","hi":"https://hi.vidhyamitra.com/city/ayodhya/1809-05-20","x-default":"https://vidhyamitra.com/city/ayodhya/1809-05-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-22T14:37:47.453Z","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":"2026-05-22T14:37:47.453Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-22T14:37:47.453Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}