{"id":"vidhyamitra:city-day:ayodhya:1987-10-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1987-10-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1987-10-18","date_display":"October 18, 1987 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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1987,"month":10,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2447086.770833,"kali_year":5089,"ahargana":1858621.2708,"sun":{"sidereal_longitude":179.7468,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":124.9172,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":305.1704,"elapsed_within_tithi_degrees":5.1704},"nakshatra":{"number":10,"name":"Maghā","pada":2,"moon_longitude":124.9172,"elapsed_within_degrees":4.9172},"yoga":{"number":23,"name":"Śubha","sum_longitude":304.664},"karana":{"half_tithi_index":50,"name":"Bava"},"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":1987,"month":10,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2447086.770833,"ahargana":1858621.2708,"kali_year":5089,"ayanamsa_lahiri":23.6825,"grahas":{"sun":{"sidereal_longitude":180.446147,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":126.319347,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false,"latitude":2.6676},"mars":{"sidereal_longitude":162.420347,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":199.875047,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":1.7760470000000055,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":true},"venus":{"sidereal_longitude":195.44324699999993,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":233.254547,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":341.3008,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":161.3008,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1987,"month":10,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2447086.770833,"kali_year":5089,"ahargana":1858621.2708,"sun":{"sidereal_longitude":179.7468,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":124.9172,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":305.1704,"elapsed_within_tithi_degrees":5.1704},"nakshatra":{"number":10,"name":"Maghā","pada":2,"moon_longitude":124.9172,"elapsed_within_degrees":4.9172},"yoga":{"number":23,"name":"Śubha","sum_longitude":304.664},"karana":{"half_tithi_index":50,"name":"Bava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.668,"elongation":54.83},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.668,"opposition_distance":125.17}},"eclipse_window_40days":[{"offset_days":-11,"type":"lunar","occurs":true,"moon_latitude":0.545,"opposition_distance":0.003}]},"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":"06:01","sunsetLocal":"17:30","solarNoonLocal":"11:46","dayLengthHours":11.489873182460498,"dayLengthDisplay":"11 Hours 29 Mins 24 Secs","nightLengthDisplay":"12 Hours 30 Mins 36 Secs","moonriseLocal":"01:43","moonsetLocal":"14:35","rahuKala":{"name":"Rāhu Kāla","start":"16:04","end":"17:30","startHours":16.071841473369048,"endHours":17.50807562117661,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:46","end":"13:12","startHours":11.763139029946359,"endHours":13.199373177753923,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:38","end":"16:04","startHours":14.635607325561484,"endHours":16.071841473369048,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:42","end":"09:05","startHours":8.699172847956895,"endHours":9.082168620705577,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:30","end":"06:48","startHours":6.4969471546519655,"endHours":6.803343772850912,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:23","end":"12:09","startHours":11.380143257197675,"endHours":12.146134802695043,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:29","end":"05:15","startHours":4.486219347721378,"endHours":5.252210893218745,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:04","end":"06:01","startHours":5.060713006844403,"endHours":6.018202438716111,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:41","end":"14:27","startHours":13.678117893689777,"endHours":14.444109439187143,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:18","end":"17:42","startHours":17.30807562117661,"endHours":17.708075621176608,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:30","end":"17:59","startHours":17.50807562117661,"endHours":17.986820337112462,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:15","end":"19:00","startHours":17.25807562117661,"endHours":19.00807562117661,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:23","end":"00:09","startHours":23.380143257197677,"endHours":24.14613480269504,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:01","end":"07:27","startHours":6.018202438716111,"endHours":7.4544365865236735,"quality":"inauspicious"},{"name":"Chala","start":"07:27","end":"08:53","startHours":7.4544365865236735,"endHours":8.890670734331236,"quality":"neutral"},{"name":"Labha","start":"08:53","end":"10:20","startHours":8.890670734331236,"endHours":10.326904882138798,"quality":"auspicious"},{"name":"Amṛta","start":"10:20","end":"11:46","startHours":10.326904882138798,"endHours":11.763139029946359,"quality":"auspicious"},{"name":"Kāla","start":"11:46","end":"13:12","startHours":11.763139029946359,"endHours":13.199373177753923,"quality":"inauspicious"},{"name":"Śubha","start":"13:12","end":"14:38","startHours":13.199373177753923,"endHours":14.635607325561484,"quality":"auspicious"},{"name":"Roga","start":"14:38","end":"16:04","startHours":14.635607325561484,"endHours":16.071841473369048,"quality":"inauspicious"},{"name":"Udveg","start":"16:04","end":"17:30","startHours":16.071841473369048,"endHours":17.50807562117661,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:30","end":"19:04","startHours":17.50807562117661,"endHours":19.071841473369048,"quality":"auspicious"},{"name":"Roga","start":"19:04","end":"20:38","startHours":19.071841473369048,"endHours":20.635607325561484,"quality":"inauspicious"},{"name":"Udveg","start":"20:38","end":"22:12","startHours":20.635607325561484,"endHours":22.199373177753923,"quality":"inauspicious"},{"name":"Chala","start":"22:12","end":"23:46","startHours":22.199373177753923,"endHours":23.76313902994636,"quality":"neutral"},{"name":"Labha","start":"23:46","end":"01:20","startHours":23.76313902994636,"endHours":25.3269048821388,"quality":"auspicious"},{"name":"Amṛta","start":"01:20","end":"02:53","startHours":25.3269048821388,"endHours":26.890670734331238,"quality":"auspicious"},{"name":"Kāla","start":"02:53","end":"04:27","startHours":26.890670734331238,"endHours":28.454436586523673,"quality":"inauspicious"},{"name":"Śubha","start":"04:27","end":"06:01","startHours":28.454436586523673,"endHours":30.01820243871611,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:01","end":"07:01","startHours":6.018202438716111,"endHours":7.018202438716111,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:01","end":"08:01","startHours":7.018202438716111,"endHours":8.018202438716111,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:01","end":"09:01","startHours":8.018202438716111,"endHours":9.018202438716111,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:01","end":"10:01","startHours":9.018202438716111,"endHours":10.018202438716111,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:01","end":"11:01","startHours":10.018202438716111,"endHours":11.018202438716111,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:01","end":"12:01","startHours":11.018202438716111,"endHours":12.018202438716111,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:01","end":"13:01","startHours":12.018202438716111,"endHours":13.018202438716111,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:01","end":"14:01","startHours":13.018202438716111,"endHours":14.018202438716111,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:01","end":"15:01","startHours":14.018202438716111,"endHours":15.018202438716111,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:01","end":"16:01","startHours":15.018202438716111,"endHours":16.01820243871611,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:01","end":"17:01","startHours":16.01820243871611,"endHours":17.01820243871611,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:01","end":"18:01","startHours":17.01820243871611,"endHours":18.01820243871611,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:01","end":"19:01","startHours":18.01820243871611,"endHours":19.01820243871611,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:01","end":"20:01","startHours":19.01820243871611,"endHours":20.01820243871611,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:01","end":"21:01","startHours":20.01820243871611,"endHours":21.01820243871611,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:01","end":"22:01","startHours":21.01820243871611,"endHours":22.01820243871611,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:01","end":"23:01","startHours":22.01820243871611,"endHours":23.01820243871611,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:01","end":"00:01","startHours":23.01820243871611,"endHours":24.01820243871611,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:01","end":"01:01","startHours":24.01820243871611,"endHours":25.01820243871611,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:01","end":"02:01","startHours":25.01820243871611,"endHours":26.01820243871611,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:01","end":"03:01","startHours":26.01820243871611,"endHours":27.01820243871611,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:01","end":"04:01","startHours":27.01820243871611,"endHours":28.01820243871611,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:01","end":"05:01","startHours":28.01820243871611,"endHours":29.01820243871611,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:01","end":"06:01","startHours":29.01820243871611,"endHours":30.01820243871611,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","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":"West (Paścim)","chandraVasa":"West","rahuVasa":"North-East","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"tropicalRitu":"Śarad (Autumn)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-9.357132553184844,"eotMinutes":15.395658203218455,"ayanamsa":23.6825}},"calendars":{"vikram_samvat":2044,"vikram_samvatsara":"Vikrama","saka_samvat":1909,"saka_samvatsara":"Prabhava","bengali_samvat":1394,"malayalam_era":1163,"nanakshahi_year":518,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Kārtika","lunar_month_amanta":"Āśvina","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Kṛṣṇa Ekādaśī · Vikram 2044 Vikrama · Śaka 1909 Prabhava"},"festivals":[{"id":"utpanna-ekadashi","name":"Utpannā Ekādaśī","name_sanskrit":"उत्पन्ना एकादशी","tradition":"Vaishnava","associated_deity":"Ekādaśī Devī (born of Viṣṇu)","significance":"Birth-day of Ekādaśī Devī herself; first Ekādaśī observed historically.","vrata":true,"detection":{"tithi_number":26,"tithi_paksha":"Kṛṣṇa","lunar_month":"Kārtika"},"precedence":3},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5},{"id":"tula-sankranti","name":"Tulā Saṅkrānti","name_sanskrit":"तुला सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Libra.","vrata":false,"detection":{"sun_rashi_ingress":"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":"Dedicated festival walk for Utpannā Ekādaśī · Ekādaśī · Tulā Saṅkrānti is not live yet; 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 October 18, 1987 CE · Ayodhyā · Vidhyamitra","description":"October 18, 1987 CE for Ayodhyā: Kṛṣṇa Ekādaśī, sūryodaya 06:01, sūryāsta 17:30.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1987-10-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1987-10-18","sa":"https://sa.vidhyamitra.com/city/ayodhya/1987-10-18","hi":"https://hi.vidhyamitra.com/city/ayodhya/1987-10-18","x-default":"https://vidhyamitra.com/city/ayodhya/1987-10-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-08-08T04:08:18.741Z","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":"2026-08-08T04:08:18.741Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-08-08T04:08:18.741Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no single city is the universal center.","purna_chain":["Goloka/Vraja Rādhā-Krishna","Vaikuṇṭha Lakṣmī-Nārāyaṇa","Mahāviṣṇu/Kāraṇodakaśāyī Viṣṇu","Garbhodakaśāyī Viṣṇu","Brahmā","Kṣīrodaka Paramātmā/Antaryāmī (Kṣīrodakaśāyī Viṣṇu)","Bhūmi","reader's own kṣetra anywhere on Bhūmi","exact reading kṣetra","reader-bhakta","chitta/vāṇī/aṅgulī","keyboard-silicon-pathways","Vidhyāmitra substrate","reader/seer","Krishna"],"antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}