{"id":"vidhyamitra:city-day:ayodhya:-3187-10-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/-3187-10-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"-3187-10-18","date_display":"October 18, 3188 BCE","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":-3187,"month":10,"day":18,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":557296.770833,"kali_year":-85,"ahargana":-31168.7292,"sun":{"sidereal_longitude":239.2971,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":73.2497,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":193.9526,"elapsed_within_tithi_degrees":1.9526},"nakshatra":{"number":6,"name":"Ārdrā","pada":2,"moon_longitude":73.2497,"elapsed_within_degrees":6.5831},"yoga":{"number":24,"name":"Śukla","sum_longitude":312.5468},"karana":{"half_tithi_index":32,"name":"Taitila"},"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":-3187,"month":10,"day":18,"hour":6,"minute":30,"calendar":"julian"},"julian_day":557296.770833,"ahargana":-31168.7292,"kali_year":-85,"ayanamsa_lahiri":-48.5949,"grahas":{"sun":{"sidereal_longitude":239.2971,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":73.2497,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false,"latitude":2.9965},"mars":{"sidereal_longitude":224.9556,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":240.7104,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":279.0514,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":192.2869,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":30.9306,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":31.4693,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":211.4693,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","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":-3187,"month":10,"day":18,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":557296.770833,"kali_year":-85,"ahargana":-31168.7292,"sun":{"sidereal_longitude":239.2971,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":73.2497,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":193.9526,"elapsed_within_tithi_degrees":1.9526},"nakshatra":{"number":6,"name":"Ārdrā","pada":2,"moon_longitude":73.2497,"elapsed_within_degrees":6.5831},"yoga":{"number":24,"name":"Śukla","sum_longitude":312.5468},"karana":{"half_tithi_index":32,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.997,"elongation":166.047},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.997,"opposition_distance":13.953}},"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":"05:51","sunsetLocal":"17:41","solarNoonLocal":"11:46","dayLengthHours":11.838962514047033,"dayLengthDisplay":"11 Hours 50 Mins 20 Secs","nightLengthDisplay":"12 Hours 09 Mins 40 Secs","moonriseLocal":"18:19","moonsetLocal":"07:04","rahuKala":{"name":"Rāhu Kāla","start":"16:12","end":"17:41","startHours":16.202749972713995,"endHours":17.682620286969875,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:46","end":"13:15","startHours":11.763139029946359,"endHours":13.243009344202239,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:43","end":"16:12","startHours":14.722879658458117,"endHours":16.202749972713995,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:36","end":"09:00","startHours":8.606082359533817,"endHours":9.000714443335385,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:20","end":"06:39","startHours":6.3369478776748025,"endHours":6.652653544716057,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:22","end":"12:09","startHours":11.368506946144791,"endHours":12.157771113747927,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:16","end":"05:03","startHours":4.265129437716571,"endHours":5.0543936053197065,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:51","end":"05:51","startHours":4.857077563418923,"endHours":5.8436577729228425,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:44","end":"14:32","startHours":13.736299448954199,"endHours":14.525563616557335,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:29","end":"17:53","startHours":17.482620286969876,"endHours":17.882620286969875,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:41","end":"18:11","startHours":17.682620286969875,"endHours":18.175910391721835,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:26","end":"19:11","startHours":17.432620286969875,"endHours":19.182620286969875,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:22","end":"00:09","startHours":23.36850694614479,"endHours":24.157771113747927,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:51","end":"07:19","startHours":5.8436577729228425,"endHours":7.323528087178722,"quality":"inauspicious"},{"name":"Chala","start":"07:19","end":"08:48","startHours":7.323528087178722,"endHours":8.8033984014346,"quality":"neutral"},{"name":"Labha","start":"08:48","end":"10:17","startHours":8.8033984014346,"endHours":10.283268715690479,"quality":"auspicious"},{"name":"Amṛta","start":"10:17","end":"11:46","startHours":10.283268715690479,"endHours":11.763139029946359,"quality":"auspicious"},{"name":"Kāla","start":"11:46","end":"13:15","startHours":11.763139029946359,"endHours":13.243009344202239,"quality":"inauspicious"},{"name":"Śubha","start":"13:15","end":"14:43","startHours":13.243009344202239,"endHours":14.722879658458117,"quality":"auspicious"},{"name":"Roga","start":"14:43","end":"16:12","startHours":14.722879658458117,"endHours":16.202749972713995,"quality":"inauspicious"},{"name":"Udveg","start":"16:12","end":"17:41","startHours":16.202749972713995,"endHours":17.682620286969875,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:41","end":"19:12","startHours":17.682620286969875,"endHours":19.202749972713995,"quality":"auspicious"},{"name":"Roga","start":"19:12","end":"20:43","startHours":19.202749972713995,"endHours":20.72287965845812,"quality":"inauspicious"},{"name":"Udveg","start":"20:43","end":"22:15","startHours":20.72287965845812,"endHours":22.24300934420224,"quality":"inauspicious"},{"name":"Chala","start":"22:15","end":"23:46","startHours":22.24300934420224,"endHours":23.76313902994636,"quality":"neutral"},{"name":"Labha","start":"23:46","end":"01:17","startHours":23.76313902994636,"endHours":25.28326871569048,"quality":"auspicious"},{"name":"Amṛta","start":"01:17","end":"02:48","startHours":25.28326871569048,"endHours":26.8033984014346,"quality":"auspicious"},{"name":"Kāla","start":"02:48","end":"04:19","startHours":26.8033984014346,"endHours":28.323528087178723,"quality":"inauspicious"},{"name":"Śubha","start":"04:19","end":"05:51","startHours":28.323528087178723,"endHours":29.843657772922842,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:51","end":"06:51","startHours":5.8436577729228425,"endHours":6.8436577729228425,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:51","end":"07:51","startHours":6.8436577729228425,"endHours":7.8436577729228425,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:51","end":"08:51","startHours":7.8436577729228425,"endHours":8.843657772922842,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:51","end":"09:51","startHours":8.843657772922842,"endHours":9.843657772922842,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:51","end":"10:51","startHours":9.843657772922842,"endHours":10.843657772922842,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:51","end":"11:51","startHours":10.843657772922842,"endHours":11.843657772922842,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:51","end":"12:51","startHours":11.843657772922842,"endHours":12.843657772922842,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:51","end":"13:51","startHours":12.843657772922842,"endHours":13.843657772922842,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:51","end":"14:51","startHours":13.843657772922842,"endHours":14.843657772922842,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:51","end":"15:51","startHours":14.843657772922842,"endHours":15.843657772922842,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:51","end":"16:51","startHours":15.843657772922842,"endHours":16.843657772922842,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:51","end":"17:51","startHours":16.843657772922842,"endHours":17.843657772922842,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:51","end":"18:51","startHours":17.843657772922842,"endHours":18.843657772922842,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:51","end":"19:51","startHours":18.843657772922842,"endHours":19.843657772922842,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:51","end":"20:51","startHours":19.843657772922842,"endHours":20.843657772922842,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:51","end":"21:51","startHours":20.843657772922842,"endHours":21.843657772922842,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:51","end":"22:51","startHours":21.843657772922842,"endHours":22.843657772922842,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:51","end":"23:51","startHours":22.843657772922842,"endHours":23.843657772922842,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:51","end":"00:51","startHours":23.843657772922842,"endHours":24.843657772922842,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:51","end":"01:51","startHours":24.843657772922842,"endHours":25.843657772922842,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:51","end":"02:51","startHours":25.843657772922842,"endHours":26.843657772922842,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:51","end":"03:51","startHours":26.843657772922842,"endHours":27.843657772922842,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:51","end":"04:51","startHours":27.843657772922842,"endHours":28.843657772922842,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:51","end":"05:51","startHours":28.843657772922842,"endHours":29.843657772922842,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-4.235760556516961,"eotMinutes":15.395658203218455,"ayanamsa":-48.5949}},"calendars":{"vikram_samvat":-3130,"saka_samvat":-3265,"bengali_samvat":-3780,"malayalam_era":-4011,"nanakshahi_year":-4656,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Mārgaśīrṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Kṛṣṇa Dvitīyā · Vikram -3130 undefined · Śaka -3265 undefined"},"festivals":[{"id":"dhanu-sankranti","name":"Dhanu Saṅkrānti","name_sanskrit":"धनु सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Sagittarius; Dhanu-māsa (Khara-māsa).","vrata":false,"detection":{"sun_rashi_ingress":"Dhanu"},"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":[]},"validity":{"eternal":true,"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, 3188 BCE · Ayodhyā · Vidhyamitra","description":"October 18, 3188 BCE for Ayodhyā: Kṛṣṇa Dvitīyā, sūryodaya 05:51, sūryāsta 17:41.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/-3187-10-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/-3187-10-18","sa":"https://sa.vidhyamitra.com/city/ayodhya/-3187-10-18","hi":"https://hi.vidhyamitra.com/city/ayodhya/-3187-10-18","x-default":"https://vidhyamitra.com/city/ayodhya/-3187-10-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T19:01:26.874Z","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":"2026-05-31T19:01:26.874Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T19:01:26.874Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}