{"id":"vidhyamitra:city-day:ayodhya:2026-10-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2026-10-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2026-10-18","date_display":"October 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":10,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461331.770833,"kali_year":5128,"ahargana":1872866.2708,"sun":{"sidereal_longitude":179.6558,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":265.1221,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":85.4663,"elapsed_within_tithi_degrees":1.4663},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4,"moon_longitude":265.1221,"elapsed_within_degrees":11.7888},"yoga":{"number":7,"name":"Sukarma","sum_longitude":84.7779},"karana":{"half_tithi_index":14,"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":2026,"month":10,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461331.770833,"ahargana":1872866.2708,"kali_year":5128,"ayanamsa_lahiri":24.2273,"grahas":{"sun":{"sidereal_longitude":180.44998399999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":263.55888400000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false,"latitude":-2.9748},"mars":{"sidereal_longitude":106.73188400000004,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":204.39438399999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":117.97358399999996,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":189.82028400000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":true},"saturn":{"sidereal_longitude":346.070784,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":306.5321,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":126.5321,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"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":10,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461331.770833,"kali_year":5128,"ahargana":1872866.2708,"sun":{"sidereal_longitude":179.6558,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":265.1221,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":85.4663,"elapsed_within_tithi_degrees":1.4663},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4,"moon_longitude":265.1221,"elapsed_within_degrees":11.7888},"yoga":{"number":7,"name":"Sukarma","sum_longitude":84.7779},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.975,"elongation":85.466},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.975,"opposition_distance":94.534}},"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":"06:02","sunsetLocal":"17:30","solarNoonLocal":"11:46","dayLengthHours":11.475971052400276,"dayLengthDisplay":"11 Hours 28 Mins 33 Secs","nightLengthDisplay":"12 Hours 31 Mins 27 Secs","moonriseLocal":"12:03","moonsetLocal":"22:33","rahuKala":{"name":"Rāhu Kāla","start":"16:04","end":"17:30","startHours":16.066628174596463,"endHours":17.501124556146497,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:46","end":"13:12","startHours":11.763139029946359,"endHours":13.197635411496393,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:38","end":"16:04","startHours":14.632131793046426,"endHours":16.066628174596463,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:42","end":"09:05","startHours":8.702880082639618,"endHours":9.08541245105296,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:30","end":"06:49","startHours":6.503318964262898,"endHours":6.809344858993573,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:23","end":"12:09","startHours":11.380606661533017,"endHours":12.1456713983597,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:30","end":"05:16","startHours":4.49502403009285,"endHours":5.2600887669195355,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:04","end":"06:02","startHours":5.068822582712864,"endHours":6.02515350374622,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:41","end":"14:26","startHours":13.67580087201307,"endHours":14.440865608839756,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:18","end":"17:42","startHours":17.301124556146497,"endHours":17.701124556146496,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:30","end":"17:59","startHours":17.501124556146497,"endHours":17.979290016663175,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:15","end":"19:00","startHours":17.251124556146497,"endHours":19.001124556146497,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:23","end":"00:09","startHours":23.380606661533015,"endHours":24.145671398359703,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:02","end":"07:28","startHours":6.02515350374622,"endHours":7.459649885296255,"quality":"inauspicious"},{"name":"Chala","start":"07:28","end":"08:54","startHours":7.459649885296255,"endHours":8.894146266846288,"quality":"neutral"},{"name":"Labha","start":"08:54","end":"10:20","startHours":8.894146266846288,"endHours":10.328642648396324,"quality":"auspicious"},{"name":"Amṛta","start":"10:20","end":"11:46","startHours":10.328642648396324,"endHours":11.763139029946359,"quality":"auspicious"},{"name":"Kāla","start":"11:46","end":"13:12","startHours":11.763139029946359,"endHours":13.197635411496393,"quality":"inauspicious"},{"name":"Śubha","start":"13:12","end":"14:38","startHours":13.197635411496393,"endHours":14.632131793046426,"quality":"auspicious"},{"name":"Roga","start":"14:38","end":"16:04","startHours":14.632131793046426,"endHours":16.066628174596463,"quality":"inauspicious"},{"name":"Udveg","start":"16:04","end":"17:30","startHours":16.066628174596463,"endHours":17.501124556146497,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:30","end":"19:04","startHours":17.501124556146497,"endHours":19.066628174596463,"quality":"auspicious"},{"name":"Roga","start":"19:04","end":"20:38","startHours":19.066628174596463,"endHours":20.632131793046426,"quality":"inauspicious"},{"name":"Udveg","start":"20:38","end":"22:12","startHours":20.632131793046426,"endHours":22.197635411496393,"quality":"inauspicious"},{"name":"Chala","start":"22:12","end":"23:46","startHours":22.197635411496393,"endHours":23.76313902994636,"quality":"neutral"},{"name":"Labha","start":"23:46","end":"01:20","startHours":23.76313902994636,"endHours":25.328642648396325,"quality":"auspicious"},{"name":"Amṛta","start":"01:20","end":"02:54","startHours":25.328642648396325,"endHours":26.894146266846292,"quality":"auspicious"},{"name":"Kāla","start":"02:54","end":"04:28","startHours":26.894146266846292,"endHours":28.459649885296255,"quality":"inauspicious"},{"name":"Śubha","start":"04:28","end":"06:02","startHours":28.459649885296255,"endHours":30.02515350374622,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:02","end":"07:02","startHours":6.02515350374622,"endHours":7.02515350374622,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:02","end":"08:02","startHours":7.02515350374622,"endHours":8.025153503746221,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:02","end":"09:02","startHours":8.025153503746221,"endHours":9.025153503746221,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:02","end":"10:02","startHours":9.025153503746221,"endHours":10.025153503746221,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:02","end":"11:02","startHours":10.025153503746221,"endHours":11.025153503746221,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:02","end":"12:02","startHours":11.025153503746221,"endHours":12.025153503746221,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:02","end":"13:02","startHours":12.025153503746221,"endHours":13.025153503746221,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:02","end":"14:02","startHours":13.025153503746221,"endHours":14.025153503746221,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:02","end":"15:02","startHours":14.025153503746221,"endHours":15.025153503746221,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:02","end":"16:02","startHours":15.025153503746221,"endHours":16.02515350374622,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:02","end":"17:02","startHours":16.02515350374622,"endHours":17.02515350374622,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:02","end":"18:02","startHours":17.02515350374622,"endHours":18.02515350374622,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:02","end":"19:02","startHours":18.02515350374622,"endHours":19.02515350374622,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:02","end":"20:02","startHours":19.02515350374622,"endHours":20.02515350374622,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:02","end":"21:02","startHours":20.02515350374622,"endHours":21.02515350374622,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:02","end":"22:02","startHours":21.02515350374622,"endHours":22.02515350374622,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:02","end":"23:02","startHours":22.02515350374622,"endHours":23.02515350374622,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:02","end":"00:02","startHours":23.02515350374622,"endHours":24.02515350374622,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:02","end":"01:02","startHours":24.02515350374622,"endHours":25.02515350374622,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:02","end":"02:02","startHours":25.02515350374622,"endHours":26.02515350374622,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:02","end":"03:02","startHours":26.02515350374622,"endHours":27.02515350374622,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:02","end":"04:02","startHours":27.02515350374622,"endHours":28.02515350374622,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:02","end":"05:02","startHours":28.02515350374622,"endHours":29.02515350374622,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:02","end":"06:02","startHours":29.02515350374622,"endHours":30.02515350374622,"planetary_lord":"Jupiter"}],"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","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Śubha","quality":"Auspicious"},"drikRitu":"Śarad (Autumn)","vedicRitu":"Śarad (Autumn)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-9.558586610199995,"eotMinutes":15.395658203218455,"ayanamsa":24.2273}},"calendars":{"vikram_samvat":2083,"vikram_samvatsara":"Siddhārthī","saka_samvat":1948,"saka_samvatsara":"Parābhava","bengali_samvat":1433,"malayalam_era":1202,"nanakshahi_year":557,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Śukla Pakṣa","solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Śukla Aṣṭamī · Vikram 2083 Siddhārthī · Śaka 1948 Parābhava"},"festivals":[{"id":"tula-sankranti","name":"Tulā Saṅkrānti","name_sanskrit":"तुला सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Libra.","vrata":false,"detection":{"sun_rashi":"Tulā"},"precedence":5}],"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":[{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","url":"/day/-3137-12-25","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 October 18, 2026 CE · Ayodhyā · Vidhyamitra","description":"October 18, 2026 CE for Ayodhyā: Śukla Aṣṭamī, sūryodaya 06:02, sūryāsta 17:30.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2026-10-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2026-10-18","sa":"https://sa.vidhyamitra.com/city/ayodhya/2026-10-18","hi":"https://hi.vidhyamitra.com/city/ayodhya/2026-10-18","x-default":"https://vidhyamitra.com/city/ayodhya/2026-10-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T19:51:25.151Z","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":"2026-05-14T19:51:25.151Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T19:51:25.151Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}