{"id":"vidhyamitra:city-day:ayodhya:2026-07-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2026-07-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2026-07-18","date_display":"July 18, 2026 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":2026,"month":7,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461239.770833,"kali_year":5128,"ahargana":1872774.2708,"sun":{"sidereal_longitude":90.7303,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":138.5737,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":47.8435,"elapsed_within_tithi_degrees":11.8435},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2,"moon_longitude":138.5737,"elapsed_within_degrees":5.2404},"yoga":{"number":18,"name":"Varīyān","sum_longitude":229.304},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"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":2026,"month":7,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461239.770833,"ahargana":1872774.2708,"kali_year":5128,"ayanamsa_lahiri":24.2238,"grahas":{"sun":{"sidereal_longitude":91.24079900000004,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"moon":{"sidereal_longitude":140.113199,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false,"latitude":-0.5609},"mars":{"sidereal_longitude":48.94049899999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":83.08159899999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":99.45419900000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"venus":{"sidereal_longitude":134.56919900000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":350.513199,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":311.4067,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":131.4067,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","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":2026,"month":7,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461239.770833,"kali_year":5128,"ahargana":1872774.2708,"sun":{"sidereal_longitude":90.7303,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":138.5737,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":47.8435,"elapsed_within_tithi_degrees":11.8435},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2,"moon_longitude":138.5737,"elapsed_within_degrees":5.2404},"yoga":{"number":18,"name":"Varīyān","sum_longitude":229.304},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.561,"elongation":47.843},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.561,"opposition_distance":132.157}},"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":13.630358521133772,"dayLengthDisplay":"13 Hours 37 Mins 49 Secs","nightLengthDisplay":"10 Hours 22 Mins 11 Secs","moonriseLocal":"09:07","moonsetLocal":"21:38","rahuKala":{"name":"Rāhu Kāla","start":"08:43","end":"10:25","startHours":8.709742305058374,"endHours":10.413537120200093,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:49","end":"15:31","startHours":13.821126750483536,"endHours":15.52492156562526,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:18","end":"07:00","startHours":5.30215267477493,"endHours":7.005947489916651,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:29","end":"08:56","startHours":8.482569663039477,"endHours":8.93691494707727,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:52","end":"06:14","startHours":5.87008427982217,"endHours":6.233560507052404,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:40","end":"12:34","startHours":11.662986651304024,"endHours":12.571677219379609,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:29","end":"04:24","startHours":3.48477153862376,"endHours":4.393462106699345,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:10","end":"05:18","startHours":4.166289464680449,"endHours":5.30215267477493,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:23","end":"15:18","startHours":14.389058355530778,"endHours":15.297748923606363,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:44","end":"19:08","startHours":18.732511195908703,"endHours":19.1325111959087,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:56","end":"19:30","startHours":18.932511195908702,"endHours":19.500442800955945,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:41","end":"20:26","startHours":18.682511195908702,"endHours":20.432511195908702,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:40","end":"00:34","startHours":23.662986651304024,"endHours":24.57167721937961,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:18","end":"07:00","startHours":5.30215267477493,"endHours":7.005947489916651,"quality":"inauspicious"},{"name":"Śubha","start":"07:00","end":"08:43","startHours":7.005947489916651,"endHours":8.709742305058374,"quality":"auspicious"},{"name":"Roga","start":"08:43","end":"10:25","startHours":8.709742305058374,"endHours":10.413537120200093,"quality":"inauspicious"},{"name":"Udveg","start":"10:25","end":"12:07","startHours":10.413537120200093,"endHours":12.117331935341817,"quality":"inauspicious"},{"name":"Chala","start":"12:07","end":"13:49","startHours":12.117331935341817,"endHours":13.821126750483536,"quality":"neutral"},{"name":"Labha","start":"13:49","end":"15:31","startHours":13.821126750483536,"endHours":15.52492156562526,"quality":"auspicious"},{"name":"Amṛta","start":"15:31","end":"17:14","startHours":15.52492156562526,"endHours":17.22871638076698,"quality":"auspicious"},{"name":"Kāla","start":"17:14","end":"18:56","startHours":17.22871638076698,"endHours":18.932511195908702,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:56","end":"20:14","startHours":18.932511195908702,"endHours":20.228716380766983,"quality":"auspicious"},{"name":"Amṛta","start":"20:14","end":"21:31","startHours":20.228716380766983,"endHours":21.52492156562526,"quality":"auspicious"},{"name":"Kāla","start":"21:31","end":"22:49","startHours":21.52492156562526,"endHours":22.821126750483536,"quality":"inauspicious"},{"name":"Śubha","start":"22:49","end":"00:07","startHours":22.821126750483536,"endHours":24.117331935341817,"quality":"auspicious"},{"name":"Roga","start":"00:07","end":"01:25","startHours":24.117331935341817,"endHours":25.413537120200097,"quality":"inauspicious"},{"name":"Udveg","start":"01:25","end":"02:43","startHours":25.413537120200097,"endHours":26.709742305058374,"quality":"inauspicious"},{"name":"Chala","start":"02:43","end":"04:00","startHours":26.709742305058374,"endHours":28.00594748991665,"quality":"neutral"},{"name":"Labha","start":"04:00","end":"05:18","startHours":28.00594748991665,"endHours":29.30215267477493,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:18","end":"06:18","startHours":5.30215267477493,"endHours":6.30215267477493,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:18","end":"07:18","startHours":6.30215267477493,"endHours":7.30215267477493,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:18","end":"08:18","startHours":7.30215267477493,"endHours":8.30215267477493,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:18","end":"09:18","startHours":8.30215267477493,"endHours":9.30215267477493,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:18","end":"10:18","startHours":9.30215267477493,"endHours":10.30215267477493,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:18","end":"11:18","startHours":10.30215267477493,"endHours":11.30215267477493,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:18","end":"12:18","startHours":11.30215267477493,"endHours":12.30215267477493,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:18","end":"13:18","startHours":12.30215267477493,"endHours":13.30215267477493,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:18","end":"14:18","startHours":13.30215267477493,"endHours":14.30215267477493,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:18","end":"15:18","startHours":14.30215267477493,"endHours":15.30215267477493,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:18","end":"16:18","startHours":15.30215267477493,"endHours":16.30215267477493,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:18","end":"17:18","startHours":16.30215267477493,"endHours":17.30215267477493,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:18","end":"18:18","startHours":17.30215267477493,"endHours":18.30215267477493,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:18","end":"19:18","startHours":18.30215267477493,"endHours":19.30215267477493,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:18","end":"20:18","startHours":19.30215267477493,"endHours":20.30215267477493,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:18","end":"21:18","startHours":20.30215267477493,"endHours":21.30215267477493,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:18","end":"22:18","startHours":21.30215267477493,"endHours":22.30215267477493,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:18","end":"23:18","startHours":22.30215267477493,"endHours":23.30215267477493,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:18","end":"00:18","startHours":23.30215267477493,"endHours":24.30215267477493,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:18","end":"01:18","startHours":24.30215267477493,"endHours":25.30215267477493,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:18","end":"02:18","startHours":25.30215267477493,"endHours":26.30215267477493,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:18","end":"03:18","startHours":26.30215267477493,"endHours":27.30215267477493,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:18","end":"04:18","startHours":27.30215267477493,"endHours":28.30215267477493,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:18","end":"05:18","startHours":28.30215267477493,"endHours":29.30215267477493,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"West","rahuVasa":"East","anandadiYoga":{"name":"Dhvaja","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":21.044516396258256,"eotMinutes":-5.85591612050904,"ayanamsa":24.2238}},"calendars":{"vikram_samvat":2083,"vikram_samvatsara":"Siddhārthī","saka_samvat":1948,"saka_samvatsara":"Parābhava","bengali_samvat":1433,"malayalam_era":1202,"nanakshahi_year":557,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Caturthī · Vikram 2083 Siddhārthī · Śaka 1948 Parābhava"},"festivals":[{"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":"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":"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 July 18, 2026 CE · Ayodhyā · Vidhyamitra","description":"July 18, 2026 CE for Ayodhyā: Śukla Caturthī, sūryodaya 05:18, sūryāsta 18:56.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2026-07-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2026-07-18","sa":"https://sa.vidhyamitra.com/city/ayodhya/2026-07-18","hi":"https://hi.vidhyamitra.com/city/ayodhya/2026-07-18","x-default":"https://vidhyamitra.com/city/ayodhya/2026-07-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T21:08:24.892Z","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":"2026-05-14T21:08:24.892Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T21:08:24.892Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}