{"id":"vidhyamitra:city-day:ayodhya:1913-07-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1913-07-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1913-07-18","date_display":"July 18, 1913 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":1913,"month":7,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2419966.770833,"kali_year":5015,"ahargana":1831501.2708,"sun":{"sidereal_longitude":91.9048,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":270.8948,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":178.99,"elapsed_within_tithi_degrees":10.99},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2,"moon_longitude":270.8948,"elapsed_within_degrees":4.2281},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":2.7996},"karana":{"half_tithi_index":29,"name":"Bava"},"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":1913,"month":7,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2419966.770833,"ahargana":1831501.2708,"kali_year":5015,"ayanamsa_lahiri":22.6453,"grahas":{"sun":{"sidereal_longitude":92.15093100000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"moon":{"sidereal_longitude":269.742431,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false,"latitude":-4.1524},"mars":{"sidereal_longitude":30.759431000000006,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":116.386731,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":259.88033100000007,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":48.226331000000016,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":51.76323100000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":338.2489,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":158.2489,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","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":1913,"month":7,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2419966.770833,"kali_year":5015,"ahargana":1831501.2708,"sun":{"sidereal_longitude":91.9048,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":270.8948,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":178.99,"elapsed_within_tithi_degrees":10.99},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2,"moon_longitude":270.8948,"elapsed_within_degrees":4.2281},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":2.7996},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.152,"elongation":178.99},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.152,"opposition_distance":1.01}},"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":"05:18","sunsetLocal":"18:56","solarNoonLocal":"12:07","dayLengthHours":13.640052415467975,"dayLengthDisplay":"13 Hours 38 Mins 24 Secs","nightLengthDisplay":"10 Hours 21 Mins 36 Secs","moonriseLocal":"18:41","moonsetLocal":"05:14","rahuKala":{"name":"Rāhu Kāla","start":"10:25","end":"12:07","startHours":10.41232538340832,"endHours":12.117331935341817,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:32","end":"17:14","startHours":15.52734503920881,"endHours":17.232351591142308,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:00","end":"08:42","startHours":7.002312279541327,"endHours":8.707318831474824,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:29","end":"08:56","startHours":8.479984624550358,"endHours":8.93465303839929,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:52","end":"06:14","startHours":5.865641244918995,"endHours":6.229375975998141,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:40","end":"12:34","startHours":11.662663521492885,"endHours":12.572000349190748,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:29","end":"04:23","startHours":3.4786320722120996,"endHours":4.387968899909964,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:10","end":"05:18","startHours":4.160634692985498,"endHours":5.29730572760783,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:23","end":"15:18","startHours":14.390674004586481,"endHours":15.300010832284347,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:44","end":"19:08","startHours":18.737358143075806,"endHours":19.137358143075804,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:56","end":"19:30","startHours":18.937358143075805,"endHours":19.50569366038697,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:41","end":"20:26","startHours":18.687358143075805,"endHours":20.437358143075805,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:40","end":"00:34","startHours":23.662663521492885,"endHours":24.57200034919075,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:18","end":"07:00","startHours":5.29730572760783,"endHours":7.002312279541327,"quality":"neutral"},{"name":"Labha","start":"07:00","end":"08:42","startHours":7.002312279541327,"endHours":8.707318831474824,"quality":"auspicious"},{"name":"Amṛta","start":"08:42","end":"10:25","startHours":8.707318831474824,"endHours":10.41232538340832,"quality":"auspicious"},{"name":"Kāla","start":"10:25","end":"12:07","startHours":10.41232538340832,"endHours":12.117331935341817,"quality":"inauspicious"},{"name":"Śubha","start":"12:07","end":"13:49","startHours":12.117331935341817,"endHours":13.822338487275314,"quality":"auspicious"},{"name":"Roga","start":"13:49","end":"15:32","startHours":13.822338487275314,"endHours":15.52734503920881,"quality":"inauspicious"},{"name":"Udveg","start":"15:32","end":"17:14","startHours":15.52734503920881,"endHours":17.232351591142308,"quality":"inauspicious"},{"name":"Chala","start":"17:14","end":"18:56","startHours":17.232351591142308,"endHours":18.937358143075805,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:56","end":"20:14","startHours":18.937358143075805,"endHours":20.232351591142308,"quality":"inauspicious"},{"name":"Udveg","start":"20:14","end":"21:32","startHours":20.232351591142308,"endHours":21.52734503920881,"quality":"inauspicious"},{"name":"Chala","start":"21:32","end":"22:49","startHours":21.52734503920881,"endHours":22.822338487275314,"quality":"neutral"},{"name":"Labha","start":"22:49","end":"00:07","startHours":22.822338487275314,"endHours":24.117331935341817,"quality":"auspicious"},{"name":"Amṛta","start":"00:07","end":"01:25","startHours":24.117331935341817,"endHours":25.41232538340832,"quality":"auspicious"},{"name":"Kāla","start":"01:25","end":"02:42","startHours":25.41232538340832,"endHours":26.707318831474822,"quality":"inauspicious"},{"name":"Śubha","start":"02:42","end":"04:00","startHours":26.707318831474822,"endHours":28.00231227954133,"quality":"auspicious"},{"name":"Roga","start":"04:00","end":"05:18","startHours":28.00231227954133,"endHours":29.297305727607828,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:18","end":"06:18","startHours":5.29730572760783,"endHours":6.29730572760783,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:18","end":"07:18","startHours":6.29730572760783,"endHours":7.29730572760783,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:18","end":"08:18","startHours":7.29730572760783,"endHours":8.29730572760783,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:18","end":"09:18","startHours":8.29730572760783,"endHours":9.29730572760783,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:18","end":"10:18","startHours":9.29730572760783,"endHours":10.29730572760783,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:18","end":"11:18","startHours":10.29730572760783,"endHours":11.29730572760783,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:18","end":"12:18","startHours":11.29730572760783,"endHours":12.29730572760783,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:18","end":"13:18","startHours":12.29730572760783,"endHours":13.29730572760783,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:18","end":"14:18","startHours":13.29730572760783,"endHours":14.29730572760783,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:18","end":"15:18","startHours":14.29730572760783,"endHours":15.29730572760783,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:18","end":"16:18","startHours":15.29730572760783,"endHours":16.297305727607828,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:18","end":"17:18","startHours":16.297305727607828,"endHours":17.297305727607828,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:18","end":"18:18","startHours":17.297305727607828,"endHours":18.297305727607828,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:18","end":"19:18","startHours":18.297305727607828,"endHours":19.297305727607828,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:18","end":"20:18","startHours":19.297305727607828,"endHours":20.297305727607828,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:18","end":"21:18","startHours":20.297305727607828,"endHours":21.297305727607828,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:18","end":"22:18","startHours":21.297305727607828,"endHours":22.297305727607828,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:18","end":"23:18","startHours":22.297305727607828,"endHours":23.297305727607828,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:18","end":"00:18","startHours":23.297305727607828,"endHours":24.297305727607828,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:18","end":"01:18","startHours":24.297305727607828,"endHours":25.297305727607828,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:18","end":"02:18","startHours":25.297305727607828,"endHours":26.297305727607828,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:18","end":"03:18","startHours":26.297305727607828,"endHours":27.297305727607828,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:18","end":"04:18","startHours":27.297305727607828,"endHours":28.297305727607828,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:18","end":"05:18","startHours":28.297305727607828,"endHours":29.297305727607828,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"South-East","anandadiYoga":{"name":"Mānasa","quality":"Auspicious"},"drikRitu":"Grīṣma (Summer)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":21.165526286153128,"eotMinutes":-5.85591612050904,"ayanamsa":22.6453}},"calendars":{"vikram_samvat":1970,"vikram_samvatsara":"Akṣaya","saka_samvat":1835,"saka_samvatsara":"Pramādī","bengali_samvat":1320,"malayalam_era":1089,"nanakshahi_year":444,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Pūrṇimā · Vikram 1970 Akṣaya · Śaka 1835 Pramādī"},"festivals":[{"id":"raksha-bandhana","name":"Rakṣā Bandhana / Śrāvaṇa Pūrṇimā","name_sanskrit":"रक्षा बन्धन","tradition":"Pan-Hindu","significance":"Sister-brother bond; Brāhmaṇa Upākarma.","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Śrāvaṇa"},"precedence":1},{"id":"karka-sankranti","name":"Karka Saṅkrānti (Dakṣiṇāyana)","name_sanskrit":"कर्क सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Cancer; Dakṣiṇāyana (south-going) begins. Devatā-rātri begins.","vrata":true,"detection":{"sun_rashi":"Karka"},"precedence":2},{"id":"jhulan-purnima","name":"Jhūlan Pūrṇimā (Rādhā-Krishna swing)","name_sanskrit":"झूलन पूर्णिमा","tradition":"Vaishnava","associated_deity":"Rādhā-Krishna","significance":"Rādhā-Krishna swing-līlā festival; Jhūlan-yātrā culmination.","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Śrāvaṇa"},"precedence":3},{"id":"upakarman-rigveda","name":"Ṛg-Veda Upākarman","name_sanskrit":"ऋग्वेद उपाकर्मन्","tradition":"Smarta","associated_deity":"Ṛṣi-paramparā","significance":"Annual renewal of Veda-svādhyāya for Ṛg-Vedīs. Śrāvaṇa Pūrṇimā.","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Śrāvaṇa"},"precedence":3},{"id":"upakarman-yajurveda","name":"Yajur-Veda Upākarman","name_sanskrit":"यजुर्वेद उपाकर्मन्","tradition":"Smarta","significance":"Annual renewal of Veda-svādhyāya for Yajur-Vedīs.","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Śrāvaṇa"},"precedence":3},{"id":"hayagriva-jayanti","name":"Hayagrīva Jayantī","name_sanskrit":"हयग्रीव जयन्ती","tradition":"Vaishnava","associated_deity":"Hayagrīva (Knowledge-form of Bhagavān)","significance":"Bhagavān as Hayagrīva restored the Vedas to Brahmā. Vidyā-pradāyaka.","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Śrāvaṇa"},"precedence":4,"sources":["Devī-Bhāgavata, Hayagrīva-stotra"]}],"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":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Śukla Pūrṇimā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Śukla Pūrṇimā","url":"/day/-0562-04-11","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 July 18, 1913 CE · Ayodhyā · Vidhyamitra","description":"July 18, 1913 CE for Ayodhyā: Śukla Pūrṇimā, sūryodaya 05:18, sūryāsta 18:56.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1913-07-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1913-07-18","sa":"https://sa.vidhyamitra.com/city/ayodhya/1913-07-18","hi":"https://hi.vidhyamitra.com/city/ayodhya/1913-07-18","x-default":"https://vidhyamitra.com/city/ayodhya/1913-07-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-19T13:21:45.252Z","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":"2026-05-19T13:21:45.252Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-19T13:21:45.252Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}