{"id":"vidhyamitra:city-day:ayodhya:1985-05-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1985-05-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1985-05-13","date_display":"May 13, 1985 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":1985,"month":5,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446198.770833,"kali_year":5087,"ahargana":1857733.2708,"sun":{"sidereal_longitude":28.6151,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":310.8317,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":282.2166,"elapsed_within_tithi_degrees":6.2166},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2,"moon_longitude":310.8317,"elapsed_within_degrees":4.1651},"yoga":{"number":26,"name":"Indra","sum_longitude":339.4469},"karana":{"half_tithi_index":47,"name":"Gara"},"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":1985,"month":5,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2446198.770833,"ahargana":1857733.2708,"kali_year":5087,"ayanamsa_lahiri":23.6485,"grahas":{"sun":{"sidereal_longitude":28.58657599999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":313.64537599999994,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false,"latitude":-4.3935},"mars":{"sidereal_longitude":48.080175999999994,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":4.833276000000012,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":293.390576,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":348.083076,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":211.04997600000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":28.3513,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":208.3513,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","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":1985,"month":5,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446198.770833,"kali_year":5087,"ahargana":1857733.2708,"sun":{"sidereal_longitude":28.6151,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":310.8317,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":282.2166,"elapsed_within_tithi_degrees":6.2166},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2,"moon_longitude":310.8317,"elapsed_within_degrees":4.1651},"yoga":{"number":26,"name":"Indra","sum_longitude":339.4469},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.393,"elongation":77.783},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.393,"opposition_distance":102.217}},"eclipse_window_40days":[{"offset_days":7,"type":"solar","occurs":true,"moon_latitude":0.744,"elongation":2.194}]},"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":13.417289397151148,"dayLengthDisplay":"13 Hours 25 Mins 02 Secs","nightLengthDisplay":"10 Hours 34 Mins 58 Secs","moonriseLocal":"01:13","moonsetLocal":"12:42","rahuKala":{"name":"Rāhu Kāla","start":"06:56","end":"08:36","startHours":6.925692497009047,"endHours":8.602853671652941,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:17","end":"11:57","startHours":10.280014846296833,"endHours":11.957176020940729,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:38","end":"15:19","startHours":13.63433719558462,"endHours":15.311498370228513,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:23","end":"08:50","startHours":8.379232181700422,"endHours":8.82647516160546,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:48","end":"06:10","startHours":5.807585047246452,"endHours":6.165379431170482,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:31","end":"12:24","startHours":11.509933041035689,"endHours":12.404419000845765,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:28","end":"04:21","startHours":3.459559402745001,"endHours":4.354045362555078,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:08","end":"05:15","startHours":4.130423872602559,"endHours":5.248531322365154,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:12","end":"15:05","startHours":14.19339092046592,"endHours":15.087876880275996,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:28","end":"18:52","startHours":18.4658207195163,"endHours":18.8658207195163,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:40","end":"19:13","startHours":18.6658207195163,"endHours":19.2248744443976,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:25","end":"20:10","startHours":18.4158207195163,"endHours":20.1658207195163,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:31","end":"00:24","startHours":23.50993304103569,"endHours":24.404419000845767,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:15","end":"06:56","startHours":5.248531322365154,"endHours":6.925692497009047,"quality":"auspicious"},{"name":"Kāla","start":"06:56","end":"08:36","startHours":6.925692497009047,"endHours":8.602853671652941,"quality":"inauspicious"},{"name":"Śubha","start":"08:36","end":"10:17","startHours":8.602853671652941,"endHours":10.280014846296833,"quality":"auspicious"},{"name":"Roga","start":"10:17","end":"11:57","startHours":10.280014846296833,"endHours":11.957176020940729,"quality":"inauspicious"},{"name":"Udveg","start":"11:57","end":"13:38","startHours":11.957176020940729,"endHours":13.63433719558462,"quality":"inauspicious"},{"name":"Chala","start":"13:38","end":"15:19","startHours":13.63433719558462,"endHours":15.311498370228513,"quality":"neutral"},{"name":"Labha","start":"15:19","end":"16:59","startHours":15.311498370228513,"endHours":16.98865954487241,"quality":"auspicious"},{"name":"Amṛta","start":"16:59","end":"18:40","startHours":16.98865954487241,"endHours":18.6658207195163,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:40","end":"19:59","startHours":18.6658207195163,"endHours":19.98865954487241,"quality":"neutral"},{"name":"Labha","start":"19:59","end":"21:19","startHours":19.98865954487241,"endHours":21.311498370228513,"quality":"auspicious"},{"name":"Amṛta","start":"21:19","end":"22:38","startHours":21.311498370228513,"endHours":22.63433719558462,"quality":"auspicious"},{"name":"Kāla","start":"22:38","end":"23:57","startHours":22.63433719558462,"endHours":23.95717602094073,"quality":"inauspicious"},{"name":"Śubha","start":"23:57","end":"01:17","startHours":23.95717602094073,"endHours":25.280014846296833,"quality":"auspicious"},{"name":"Roga","start":"01:17","end":"02:36","startHours":25.280014846296833,"endHours":26.60285367165294,"quality":"inauspicious"},{"name":"Udveg","start":"02:36","end":"03:56","startHours":26.60285367165294,"endHours":27.925692497009045,"quality":"inauspicious"},{"name":"Chala","start":"03:56","end":"05:15","startHours":27.925692497009045,"endHours":29.248531322365153,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:15","end":"06:15","startHours":5.248531322365154,"endHours":6.248531322365154,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:15","end":"07:15","startHours":6.248531322365154,"endHours":7.248531322365154,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:15","end":"08:15","startHours":7.248531322365154,"endHours":8.248531322365153,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:15","end":"09:15","startHours":8.248531322365153,"endHours":9.248531322365153,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:15","end":"10:15","startHours":9.248531322365153,"endHours":10.248531322365153,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:15","end":"11:15","startHours":10.248531322365153,"endHours":11.248531322365153,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:15","end":"12:15","startHours":11.248531322365153,"endHours":12.248531322365153,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:15","end":"13:15","startHours":12.248531322365153,"endHours":13.248531322365153,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:15","end":"14:15","startHours":13.248531322365153,"endHours":14.248531322365153,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:15","end":"15:15","startHours":14.248531322365153,"endHours":15.248531322365153,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:15","end":"16:15","startHours":15.248531322365153,"endHours":16.248531322365153,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:15","end":"17:15","startHours":16.248531322365153,"endHours":17.248531322365153,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:15","end":"18:15","startHours":17.248531322365153,"endHours":18.248531322365153,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:15","end":"19:15","startHours":18.248531322365153,"endHours":19.248531322365153,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:15","end":"20:15","startHours":19.248531322365153,"endHours":20.248531322365153,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:15","end":"21:15","startHours":20.248531322365153,"endHours":21.248531322365153,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:15","end":"22:15","startHours":21.248531322365153,"endHours":22.248531322365153,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:15","end":"23:15","startHours":22.248531322365153,"endHours":23.248531322365153,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:15","end":"00:15","startHours":23.248531322365153,"endHours":24.248531322365153,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:15","end":"01:15","startHours":24.248531322365153,"endHours":25.248531322365153,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:15","end":"02:15","startHours":25.248531322365153,"endHours":26.248531322365153,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:15","end":"03:15","startHours":26.248531322365153,"endHours":27.248531322365153,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:15","end":"04:15","startHours":27.248531322365153,"endHours":28.248531322365153,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:15","end":"05:15","startHours":28.248531322365153,"endHours":29.248531322365153,"planetary_lord":"Venus"}],"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","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Dhātṛ","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":18.32577157698955,"eotMinutes":3.7534387435564067,"ayanamsa":23.6485}},"calendars":{"vikram_samvat":2042,"vikram_samvatsara":"Bahudhānya","saka_samvat":1907,"saka_samvatsara":"Krodhana","bengali_samvat":1392,"malayalam_era":1161,"nanakshahi_year":516,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Navamī · Vikram 2042 Bahudhānya · Śaka 1907 Krodhana"},"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}],"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 13, 1985 CE · Ayodhyā · Vidhyamitra","description":"May 13, 1985 CE for Ayodhyā: Kṛṣṇa Navamī, sūryodaya 05:15, sūryāsta 18:40.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1985-05-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1985-05-13","sa":"https://sa.vidhyamitra.com/city/ayodhya/1985-05-13","hi":"https://hi.vidhyamitra.com/city/ayodhya/1985-05-13","x-default":"https://vidhyamitra.com/city/ayodhya/1985-05-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T03:18:07.092Z","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":"2026-05-18T03:18:07.092Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-18T03:18:07.092Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}