{"id":"vidhyamitra:city-day:ayodhya:1986-05-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1986-05-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1986-05-13","date_display":"May 13, 1986 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":1986,"month":5,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446563.770833,"kali_year":5088,"ahargana":1858098.2708,"sun":{"sidereal_longitude":28.3669,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":76.9727,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":48.6058,"elapsed_within_tithi_degrees":0.6058},"nakshatra":{"number":6,"name":"Ārdrā","pada":4,"moon_longitude":76.9727,"elapsed_within_degrees":10.306},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":105.3396},"karana":{"half_tithi_index":8,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":1986,"month":5,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2446563.770833,"ahargana":1858098.2708,"kali_year":5088,"ayanamsa_lahiri":23.6625,"grahas":{"sun":{"sidereal_longitude":28.33973000000003,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":73.07533000000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false,"latitude":4.1706},"mars":{"sidereal_longitude":265.54062999999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":16.859129999999993,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":324.62103,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":56.27623,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":223.50182999999993,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":9.0118,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":189.0118,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","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":"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":1986,"month":5,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446563.770833,"kali_year":5088,"ahargana":1858098.2708,"sun":{"sidereal_longitude":28.3669,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":76.9727,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":48.6058,"elapsed_within_tithi_degrees":0.6058},"nakshatra":{"number":6,"name":"Ārdrā","pada":4,"moon_longitude":76.9727,"elapsed_within_degrees":10.306},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":105.3396},"karana":{"half_tithi_index":8,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.171,"elongation":48.606},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.171,"opposition_distance":131.394}},"eclipse_window_40days":[{"offset_days":-4,"type":"solar","occurs":true,"moon_latitude":1.397,"elongation":2.807}]},"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":"05:15","sunsetLocal":"18:40","solarNoonLocal":"11:57","dayLengthHours":13.412690759676737,"dayLengthDisplay":"13 Hours 24 Mins 46 Secs","nightLengthDisplay":"10 Hours 35 Mins 14 Secs","moonriseLocal":"08:03","moonsetLocal":"21:49","rahuKala":{"name":"Rāhu Kāla","start":"15:19","end":"16:59","startHours":15.310348710859913,"endHours":16.986935055819504,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:36","end":"10:17","startHours":8.604003331021543,"endHours":10.280589675981137,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:57","end":"13:38","startHours":11.957176020940729,"endHours":13.63376236590032,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:23","end":"08:50","startHours":8.380458485026931,"endHours":8.827548177016155,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:49","end":"06:10","startHours":5.80969275608889,"endHours":6.16736450968027,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:31","end":"12:24","startHours":11.510086328951502,"endHours":12.404265712929952,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:28","end":"04:21","startHours":3.462471873145461,"endHours":4.35665125712391,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:08","end":"05:15","startHours":4.133106411129297,"endHours":5.250830641102359,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:12","end":"15:05","startHours":14.19262448088685,"endHours":15.0868038648653,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:28","end":"18:52","startHours":18.463521400779097,"endHours":18.863521400779096,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:40","end":"19:13","startHours":18.663521400779096,"endHours":19.222383515765628,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:25","end":"20:10","startHours":18.413521400779096,"endHours":20.163521400779096,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:31","end":"00:24","startHours":23.510086328951505,"endHours":24.404265712929952,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:15","end":"06:56","startHours":5.250830641102359,"endHours":6.927416986061951,"quality":"inauspicious"},{"name":"Udveg","start":"06:56","end":"08:36","startHours":6.927416986061951,"endHours":8.604003331021543,"quality":"inauspicious"},{"name":"Chala","start":"08:36","end":"10:17","startHours":8.604003331021543,"endHours":10.280589675981137,"quality":"neutral"},{"name":"Labha","start":"10:17","end":"11:57","startHours":10.280589675981137,"endHours":11.957176020940729,"quality":"auspicious"},{"name":"Amṛta","start":"11:57","end":"13:38","startHours":11.957176020940729,"endHours":13.63376236590032,"quality":"auspicious"},{"name":"Kāla","start":"13:38","end":"15:19","startHours":13.63376236590032,"endHours":15.310348710859913,"quality":"inauspicious"},{"name":"Śubha","start":"15:19","end":"16:59","startHours":15.310348710859913,"endHours":16.986935055819504,"quality":"auspicious"},{"name":"Roga","start":"16:59","end":"18:40","startHours":16.986935055819504,"endHours":18.663521400779096,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:40","end":"19:59","startHours":18.663521400779096,"endHours":19.986935055819504,"quality":"inauspicious"},{"name":"Śubha","start":"19:59","end":"21:19","startHours":19.986935055819504,"endHours":21.310348710859913,"quality":"auspicious"},{"name":"Roga","start":"21:19","end":"22:38","startHours":21.310348710859913,"endHours":22.63376236590032,"quality":"inauspicious"},{"name":"Udveg","start":"22:38","end":"23:57","startHours":22.63376236590032,"endHours":23.95717602094073,"quality":"inauspicious"},{"name":"Chala","start":"23:57","end":"01:17","startHours":23.95717602094073,"endHours":25.280589675981137,"quality":"neutral"},{"name":"Labha","start":"01:17","end":"02:36","startHours":25.280589675981137,"endHours":26.604003331021545,"quality":"auspicious"},{"name":"Amṛta","start":"02:36","end":"03:56","startHours":26.604003331021545,"endHours":27.92741698606195,"quality":"auspicious"},{"name":"Kāla","start":"03:56","end":"05:15","startHours":27.92741698606195,"endHours":29.25083064110236,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:15","end":"06:15","startHours":5.250830641102359,"endHours":6.250830641102359,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:15","end":"07:15","startHours":6.250830641102359,"endHours":7.250830641102359,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:15","end":"08:15","startHours":7.250830641102359,"endHours":8.25083064110236,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:15","end":"09:15","startHours":8.25083064110236,"endHours":9.25083064110236,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:15","end":"10:15","startHours":9.25083064110236,"endHours":10.25083064110236,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:15","end":"11:15","startHours":10.25083064110236,"endHours":11.25083064110236,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:15","end":"12:15","startHours":11.25083064110236,"endHours":12.25083064110236,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:15","end":"13:15","startHours":12.25083064110236,"endHours":13.25083064110236,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:15","end":"14:15","startHours":13.25083064110236,"endHours":14.25083064110236,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:15","end":"15:15","startHours":14.25083064110236,"endHours":15.25083064110236,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:15","end":"16:15","startHours":15.25083064110236,"endHours":16.25083064110236,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:15","end":"17:15","startHours":16.25083064110236,"endHours":17.25083064110236,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:15","end":"18:15","startHours":17.25083064110236,"endHours":18.25083064110236,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:15","end":"19:15","startHours":18.25083064110236,"endHours":19.25083064110236,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:15","end":"20:15","startHours":19.25083064110236,"endHours":20.25083064110236,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:15","end":"21:15","startHours":20.25083064110236,"endHours":21.25083064110236,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:15","end":"22:15","startHours":21.25083064110236,"endHours":22.25083064110236,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:15","end":"23:15","startHours":22.25083064110236,"endHours":23.25083064110236,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:15","end":"00:15","startHours":23.25083064110236,"endHours":24.25083064110236,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:15","end":"01:15","startHours":24.25083064110236,"endHours":25.25083064110236,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:15","end":"02:15","startHours":25.25083064110236,"endHours":26.25083064110236,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:15","end":"03:15","startHours":26.25083064110236,"endHours":27.25083064110236,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:15","end":"04:15","startHours":27.25083064110236,"endHours":28.25083064110236,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:15","end":"05:15","startHours":28.25083064110236,"endHours":29.25083064110236,"planetary_lord":"Saturn"}],"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":"North (Uttara)","chandraVasa":"South","rahuVasa":"North","anandadiYoga":{"name":"Padma","quality":"Auspicious"},"drikRitu":"Vasanta (Spring) (Drik)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":18.265878508323993,"eotMinutes":3.7534387435564067,"ayanamsa":23.6625}},"calendars":{"vikram_samvat":2043,"vikram_samvatsara":"Pramāthi","saka_samvat":1908,"saka_samvatsara":"Akṣaya","bengali_samvat":1393,"malayalam_era":1162,"nanakshahi_year":517,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Pañcamī · Vikram 2043 Pramāthi · Śaka 1908 Akṣaya"},"festivals":[{"id":"mesha-sankranti","name":"Meṣa Saṅkrānti (Vaiśākhī / Vishu / Pohelā Boishākh / Bihu)","name_sanskrit":"मेष सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aries; solar new year. Regional: Vaiśākhī (Punjab) · Vishu (Kerala) · Pohelā Boishākh (Bengal) · Bihu (Assam) · Tamil Puthāṇḍu.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":1},{"id":"baisakhi","name":"Baisakhi (Vaiśākhī)","name_sanskrit":"वैशाखी","tradition":"Regional","associated_deity":"Sūrya + Khalsa Pantha (Sikh)","significance":"Punjab New Year + Sikh Khalsa founding day.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":2},{"id":"shankara-jayanti","name":"Ādi Śaṅkarācārya Jayantī","name_sanskrit":"आदि शङ्कराचार्य जयन्ती","tradition":"Smarta","associated_deity":"Ādi Śaṅkarācārya","significance":"Birth of Ādi Śaṅkara at Kāladī, Kerala; Advaita-pratiṣṭhāpaka.","vrata":false,"detection":{"tithi_number":5,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":3}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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 13, 1986 CE · Ayodhyā · Vidhyamitra","description":"May 13, 1986 CE for Ayodhyā: Śukla Pañcamī, sūryodaya 05:15, sūryāsta 18:40.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1986-05-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1986-05-13","sa":"https://sa.vidhyamitra.com/city/ayodhya/1986-05-13","hi":"https://hi.vidhyamitra.com/city/ayodhya/1986-05-13","x-default":"https://vidhyamitra.com/city/ayodhya/1986-05-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-17T12:17:32.735Z","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":"2026-05-17T12:17:32.735Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-17T12:17:32.735Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}