{"id":"vidhyamitra:city-day:ayodhya:1901-08-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1901-08-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1901-08-18","date_display":"August 18, 1901 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":1901,"month":8,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2415614.770833,"kali_year":5003,"ahargana":1827149.2708,"sun":{"sidereal_longitude":121.5102,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":167.0555,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":45.5453,"elapsed_within_tithi_degrees":9.5453},"nakshatra":{"number":13,"name":"Hasta","pada":3,"moon_longitude":167.0555,"elapsed_within_degrees":7.0555},"yoga":{"number":22,"name":"Sādhya","sum_longitude":288.5657},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"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":1901,"month":8,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2415614.770833,"ahargana":1827149.2708,"kali_year":5003,"ayanamsa_lahiri":22.4788,"grahas":{"sun":{"sidereal_longitude":121.90400899999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":165.02990899999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false,"latitude":-2.9967},"mars":{"sidereal_longitude":180.061909,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":113.17580899999996,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":252.41990899999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":true},"venus":{"sidereal_longitude":152.26150899999993,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":259.201009,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":208.8388,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":28.8388,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","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":1901,"month":8,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2415614.770833,"kali_year":5003,"ahargana":1827149.2708,"sun":{"sidereal_longitude":121.5102,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":167.0555,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":45.5453,"elapsed_within_tithi_degrees":9.5453},"nakshatra":{"number":13,"name":"Hasta","pada":3,"moon_longitude":167.0555,"elapsed_within_degrees":7.0555},"yoga":{"number":22,"name":"Sādhya","sum_longitude":288.5657},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.997,"elongation":45.545},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.997,"opposition_distance":134.455}},"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":"05:33","sunsetLocal":"18:36","solarNoonLocal":"12:05","dayLengthHours":13.049991554480115,"dayLengthDisplay":"13 Hours 03 Mins 00 Secs","nightLengthDisplay":"10 Hours 57 Mins 00 Secs","moonriseLocal":"09:01","moonsetLocal":"20:54","rahuKala":{"name":"Rāhu Kāla","start":"16:58","end":"18:36","startHours":16.972281128278553,"endHours":18.603530072588566,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:05","end":"13:43","startHours":12.078534295348508,"endHours":13.709783239658524,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:20","end":"16:58","startHours":15.341032183968537,"endHours":16.972281128278553,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:36","end":"09:02","startHours":8.598536547487145,"endHours":9.033536265969815,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:06","end":"06:27","startHours":6.097288166211789,"endHours":6.445287940997925,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:39","end":"12:31","startHours":11.643534576865838,"endHours":12.513534013831178,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:49","end":"04:41","startHours":3.813539644177769,"endHours":4.68353908114311,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:28","end":"05:33","startHours":4.466039221901775,"endHours":5.553538518108451,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:15","end":"15:07","startHours":14.25353288776186,"endHours":15.1235323247272,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:24","end":"18:48","startHours":18.403530072588566,"endHours":18.803530072588565,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:36","end":"19:09","startHours":18.603530072588566,"endHours":19.147279720691905,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:21","end":"20:06","startHours":18.353530072588566,"endHours":20.103530072588566,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:39","end":"00:31","startHours":23.643534576865836,"endHours":24.51353401383118,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:33","end":"07:11","startHours":5.553538518108451,"endHours":7.184787462418465,"quality":"inauspicious"},{"name":"Chala","start":"07:11","end":"08:49","startHours":7.184787462418465,"endHours":8.816036406728479,"quality":"neutral"},{"name":"Labha","start":"08:49","end":"10:27","startHours":8.816036406728479,"endHours":10.447285351038495,"quality":"auspicious"},{"name":"Amṛta","start":"10:27","end":"12:05","startHours":10.447285351038495,"endHours":12.078534295348508,"quality":"auspicious"},{"name":"Kāla","start":"12:05","end":"13:43","startHours":12.078534295348508,"endHours":13.709783239658524,"quality":"inauspicious"},{"name":"Śubha","start":"13:43","end":"15:20","startHours":13.709783239658524,"endHours":15.341032183968537,"quality":"auspicious"},{"name":"Roga","start":"15:20","end":"16:58","startHours":15.341032183968537,"endHours":16.972281128278553,"quality":"inauspicious"},{"name":"Udveg","start":"16:58","end":"18:36","startHours":16.972281128278553,"endHours":18.603530072588566,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:36","end":"19:58","startHours":18.603530072588566,"endHours":19.972281128278553,"quality":"auspicious"},{"name":"Roga","start":"19:58","end":"21:20","startHours":19.972281128278553,"endHours":21.341032183968537,"quality":"inauspicious"},{"name":"Udveg","start":"21:20","end":"22:43","startHours":21.341032183968537,"endHours":22.70978323965852,"quality":"inauspicious"},{"name":"Chala","start":"22:43","end":"00:05","startHours":22.70978323965852,"endHours":24.078534295348508,"quality":"neutral"},{"name":"Labha","start":"00:05","end":"01:27","startHours":24.078534295348508,"endHours":25.447285351038495,"quality":"auspicious"},{"name":"Amṛta","start":"01:27","end":"02:49","startHours":25.447285351038495,"endHours":26.81603640672848,"quality":"auspicious"},{"name":"Kāla","start":"02:49","end":"04:11","startHours":26.81603640672848,"endHours":28.184787462418463,"quality":"inauspicious"},{"name":"Śubha","start":"04:11","end":"05:33","startHours":28.184787462418463,"endHours":29.55353851810845,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:33","end":"06:33","startHours":5.553538518108451,"endHours":6.553538518108451,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:33","end":"07:33","startHours":6.553538518108451,"endHours":7.553538518108451,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:33","end":"08:33","startHours":7.553538518108451,"endHours":8.55353851810845,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:33","end":"09:33","startHours":8.55353851810845,"endHours":9.55353851810845,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:33","end":"10:33","startHours":9.55353851810845,"endHours":10.55353851810845,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:33","end":"11:33","startHours":10.55353851810845,"endHours":11.55353851810845,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:33","end":"12:33","startHours":11.55353851810845,"endHours":12.55353851810845,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:33","end":"13:33","startHours":12.55353851810845,"endHours":13.55353851810845,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:33","end":"14:33","startHours":13.55353851810845,"endHours":14.55353851810845,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:33","end":"15:33","startHours":14.55353851810845,"endHours":15.55353851810845,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:33","end":"16:33","startHours":15.55353851810845,"endHours":16.55353851810845,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:33","end":"17:33","startHours":16.55353851810845,"endHours":17.55353851810845,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:33","end":"18:33","startHours":17.55353851810845,"endHours":18.55353851810845,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:33","end":"19:33","startHours":18.55353851810845,"endHours":19.55353851810845,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:33","end":"20:33","startHours":19.55353851810845,"endHours":20.55353851810845,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:33","end":"21:33","startHours":20.55353851810845,"endHours":21.55353851810845,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:33","end":"22:33","startHours":21.55353851810845,"endHours":22.55353851810845,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:33","end":"23:33","startHours":22.55353851810845,"endHours":23.55353851810845,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:33","end":"00:33","startHours":23.55353851810845,"endHours":24.55353851810845,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:33","end":"01:33","startHours":24.55353851810845,"endHours":25.55353851810845,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:33","end":"02:33","startHours":25.55353851810845,"endHours":26.55353851810845,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:33","end":"03:33","startHours":26.55353851810845,"endHours":27.55353851810845,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:33","end":"04:33","startHours":27.55353851810845,"endHours":28.55353851810845,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:33","end":"05:33","startHours":28.55353851810845,"endHours":29.55353851810845,"planetary_lord":"Jupiter"}],"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":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"North-West","rahuVasa":"North-East","anandadiYoga":{"name":"Mānasa","quality":"Auspicious"},"drikRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":13.392833213339543,"eotMinutes":-3.5280577209103767,"ayanamsa":22.4788}},"calendars":{"vikram_samvat":1958,"vikram_samvatsara":"Ānanda","saka_samvat":1823,"saka_samvatsara":"Plava","bengali_samvat":1308,"malayalam_era":1077,"nanakshahi_year":432,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Caturthī · Vikram 1958 Ānanda · Śaka 1823 Plava"},"festivals":[{"id":"ganesha-chaturthi","name":"Gaṇeśa Caturthī","name_sanskrit":"गणेश चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Gaṇeśa's birth day; 11-day festival in Maharashtra.","vrata":false,"detection":{"tithi_number":4,"tithi_paksha":"Śukla","lunar_month":"Bhādrapada"},"precedence":1},{"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":"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":"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 August 18, 1901 CE · Ayodhyā · Vidhyamitra","description":"August 18, 1901 CE for Ayodhyā: Śukla Caturthī, sūryodaya 05:33, sūryāsta 18:36.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1901-08-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1901-08-18","sa":"https://sa.vidhyamitra.com/city/ayodhya/1901-08-18","hi":"https://hi.vidhyamitra.com/city/ayodhya/1901-08-18","x-default":"https://vidhyamitra.com/city/ayodhya/1901-08-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-17T01:23:07.119Z","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":"2026-05-17T01:23:07.119Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-17T01:23:07.119Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}