{"id":"vidhyamitra:city-day:ayodhya:1987-05-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1987-05-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1987-05-18","date_display":"May 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":"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":1987,"month":5,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446933.770833,"kali_year":5089,"ahargana":1858468.2708,"sun":{"sidereal_longitude":32.9102,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":272.0719,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":239.1616,"elapsed_within_tithi_degrees":11.1616},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2,"moon_longitude":272.0719,"elapsed_within_degrees":5.4052},"yoga":{"number":23,"name":"Śubha","sum_longitude":304.9821},"karana":{"half_tithi_index":39,"name":"Taitila"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":5,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2446933.770833,"ahargana":1858468.2708,"kali_year":5089,"ayanamsa_lahiri":23.6766,"grahas":{"sun":{"sidereal_longitude":32.91359299999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":274.67829299999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false,"latitude":-4.3903},"mars":{"sidereal_longitude":64.53139299999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":45.419092999999975,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":354.983393,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":7.196692999999982,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":235.4383929999999,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":349.4074,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":169.4074,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"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":1987,"month":5,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446933.770833,"kali_year":5089,"ahargana":1858468.2708,"sun":{"sidereal_longitude":32.9102,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":272.0719,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":239.1616,"elapsed_within_tithi_degrees":11.1616},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2,"moon_longitude":272.0719,"elapsed_within_degrees":5.4052},"yoga":{"number":23,"name":"Śubha","sum_longitude":304.9821},"karana":{"half_tithi_index":39,"name":"Taitila"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.39,"elongation":120.838},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.39,"opposition_distance":59.162}},"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":"05:13","sunsetLocal":"18:42","solarNoonLocal":"11:57","dayLengthHours":13.499716890119865,"dayLengthDisplay":"13 Hours 29 Mins 59 Secs","nightLengthDisplay":"10 Hours 30 Mins 01 Secs","moonriseLocal":"22:45","moonsetLocal":"09:24","rahuKala":{"name":"Rāhu Kāla","start":"06:54","end":"08:35","startHours":6.895853129697225,"endHours":8.583317740962208,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:16","end":"11:57","startHours":10.270782352227192,"endHours":11.958246963492176,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:39","end":"15:20","startHours":13.645711574757158,"endHours":15.333176186022142,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:21","end":"08:48","startHours":8.358322459460211,"endHours":8.808313022464207,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:46","end":"06:08","startHours":5.770876722187237,"endHours":6.130869172590433,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:30","end":"12:24","startHours":11.508256400488179,"endHours":12.408237526496169,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:25","end":"04:19","startHours":3.40842626641626,"endHours":4.308407392424251,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:05","end":"05:13","startHours":4.083412110922254,"endHours":5.208388518432242,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:12","end":"15:06","startHours":14.208199778512151,"endHours":15.108180904520141,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:30","end":"18:54","startHours":18.508105408552108,"endHours":18.908105408552107,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:42","end":"19:16","startHours":18.708105408552107,"endHours":19.270593612307103,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:27","end":"20:12","startHours":18.458105408552107,"endHours":20.208105408552107,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:30","end":"00:24","startHours":23.508256400488175,"endHours":24.40823752649617,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:13","end":"06:54","startHours":5.208388518432242,"endHours":6.895853129697225,"quality":"auspicious"},{"name":"Kāla","start":"06:54","end":"08:35","startHours":6.895853129697225,"endHours":8.583317740962208,"quality":"inauspicious"},{"name":"Śubha","start":"08:35","end":"10:16","startHours":8.583317740962208,"endHours":10.270782352227192,"quality":"auspicious"},{"name":"Roga","start":"10:16","end":"11:57","startHours":10.270782352227192,"endHours":11.958246963492176,"quality":"inauspicious"},{"name":"Udveg","start":"11:57","end":"13:39","startHours":11.958246963492176,"endHours":13.645711574757158,"quality":"inauspicious"},{"name":"Chala","start":"13:39","end":"15:20","startHours":13.645711574757158,"endHours":15.333176186022142,"quality":"neutral"},{"name":"Labha","start":"15:20","end":"17:01","startHours":15.333176186022142,"endHours":17.020640797287122,"quality":"auspicious"},{"name":"Amṛta","start":"17:01","end":"18:42","startHours":17.020640797287122,"endHours":18.708105408552107,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:42","end":"20:01","startHours":18.708105408552107,"endHours":20.020640797287125,"quality":"neutral"},{"name":"Labha","start":"20:01","end":"21:20","startHours":20.020640797287125,"endHours":21.33317618602214,"quality":"auspicious"},{"name":"Amṛta","start":"21:20","end":"22:39","startHours":21.33317618602214,"endHours":22.645711574757158,"quality":"auspicious"},{"name":"Kāla","start":"22:39","end":"23:57","startHours":22.645711574757158,"endHours":23.958246963492176,"quality":"inauspicious"},{"name":"Śubha","start":"23:57","end":"01:16","startHours":23.958246963492176,"endHours":25.270782352227194,"quality":"auspicious"},{"name":"Roga","start":"01:16","end":"02:35","startHours":25.270782352227194,"endHours":26.583317740962208,"quality":"inauspicious"},{"name":"Udveg","start":"02:35","end":"03:54","startHours":26.583317740962208,"endHours":27.895853129697226,"quality":"inauspicious"},{"name":"Chala","start":"03:54","end":"05:13","startHours":27.895853129697226,"endHours":29.208388518432244,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:13","end":"06:13","startHours":5.208388518432242,"endHours":6.208388518432242,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:13","end":"07:13","startHours":6.208388518432242,"endHours":7.208388518432242,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:13","end":"08:13","startHours":7.208388518432242,"endHours":8.208388518432242,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:13","end":"09:13","startHours":8.208388518432242,"endHours":9.208388518432242,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:13","end":"10:13","startHours":9.208388518432242,"endHours":10.208388518432242,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:13","end":"11:13","startHours":10.208388518432242,"endHours":11.208388518432242,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:13","end":"12:13","startHours":11.208388518432242,"endHours":12.208388518432242,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:13","end":"13:13","startHours":12.208388518432242,"endHours":13.208388518432242,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:13","end":"14:13","startHours":13.208388518432242,"endHours":14.208388518432242,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:13","end":"15:13","startHours":14.208388518432242,"endHours":15.208388518432242,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:13","end":"16:13","startHours":15.208388518432242,"endHours":16.208388518432244,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:13","end":"17:13","startHours":16.208388518432244,"endHours":17.208388518432244,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:13","end":"18:13","startHours":17.208388518432244,"endHours":18.208388518432244,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:13","end":"19:13","startHours":18.208388518432244,"endHours":19.208388518432244,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:13","end":"20:13","startHours":19.208388518432244,"endHours":20.208388518432244,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:13","end":"21:13","startHours":20.208388518432244,"endHours":21.208388518432244,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:13","end":"22:13","startHours":21.208388518432244,"endHours":22.208388518432244,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:13","end":"23:13","startHours":22.208388518432244,"endHours":23.208388518432244,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:13","end":"00:13","startHours":23.208388518432244,"endHours":24.208388518432244,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:13","end":"01:13","startHours":24.208388518432244,"endHours":25.208388518432244,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:13","end":"02:13","startHours":25.208388518432244,"endHours":26.208388518432244,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:13","end":"03:13","startHours":26.208388518432244,"endHours":27.208388518432244,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:13","end":"04:13","startHours":27.208388518432244,"endHours":28.208388518432244,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:13","end":"05:13","startHours":28.208388518432244,"endHours":29.208388518432244,"planetary_lord":"Venus"}],"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":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Rākṣasa","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":19.39073567432972,"eotMinutes":3.6891821904695723,"ayanamsa":23.6766}},"calendars":{"vikram_samvat":2044,"vikram_samvatsara":"Vikrama","saka_samvat":1909,"saka_samvatsara":"Prabhava","bengali_samvat":1394,"malayalam_era":1163,"nanakshahi_year":518,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Jyeṣṭha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Kṛṣṇa Pañcamī · Vikram 2044 Vikrama · Śaka 1909 Prabhava"},"festivals":[],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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 May 18, 1987 CE · Ayodhyā · Vidhyamitra","description":"May 18, 1987 CE for Ayodhyā: Kṛṣṇa Pañcamī, sūryodaya 05:13, sūryāsta 18:42.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1987-05-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1987-05-18","sa":"https://sa.vidhyamitra.com/city/ayodhya/1987-05-18","hi":"https://hi.vidhyamitra.com/city/ayodhya/1987-05-18","x-default":"https://vidhyamitra.com/city/ayodhya/1987-05-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T16:22:19.606Z","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":"2026-05-31T16:22:19.606Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T16:22:19.606Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}