{"id":"vidhyamitra:city-day:ayodhya:2187-05-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2187-05-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2187-05-15","date_display":"May 15, 2187 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":2187,"month":5,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2519979.770833,"kali_year":5289,"ahargana":1931514.2708,"sun":{"sidereal_longitude":27.3976,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":111.0886,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":83.691,"elapsed_within_tithi_degrees":11.691},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2,"moon_longitude":111.0886,"elapsed_within_degrees":4.4219},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":138.4862},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"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":2187,"month":5,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2519979.770833,"ahargana":1931514.2708,"kali_year":5289,"ayanamsa_lahiri":26.4704,"grahas":{"sun":{"sidereal_longitude":27.838798999999995,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":111.36409900000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false,"latitude":2.3835},"mars":{"sidereal_longitude":151.71799900000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":true},"mercury":{"sidereal_longitude":19.650799000000006,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":301.407599,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":13.036298999999985,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":156.648599,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":79.0788,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":259.0788,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"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":2187,"month":5,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2519979.770833,"kali_year":5289,"ahargana":1931514.2708,"sun":{"sidereal_longitude":27.3976,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":111.0886,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":83.691,"elapsed_within_tithi_degrees":11.691},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2,"moon_longitude":111.0886,"elapsed_within_degrees":4.4219},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":138.4862},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.384,"elongation":83.691},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.384,"opposition_distance":96.309}},"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":"05:14","sunsetLocal":"18:41","solarNoonLocal":"11:57","dayLengthHours":13.457413752611455,"dayLengthDisplay":"13 Hours 27 Mins 27 Secs","nightLengthDisplay":"10 Hours 32 Mins 33 Secs","moonriseLocal":"10:57","moonsetLocal":"00:06","rahuKala":{"name":"Rāhu Kāla","start":"15:19","end":"17:00","startHours":15.321483422554095,"endHours":17.003660141630526,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:36","end":"10:16","startHours":8.592776546248368,"endHours":10.2749532653248,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:57","end":"13:38","startHours":11.95712998440123,"endHours":13.639306703477665,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:22","end":"08:49","startHours":8.368486317038176,"endHours":8.817066775458558,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:47","end":"06:09","startHours":5.789148681120982,"endHours":6.148013047857288,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:31","end":"12:24","startHours":11.50854952598085,"endHours":12.405710442821615,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:26","end":"04:20","startHours":3.434101274413977,"endHours":4.331262191254741,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:06","end":"05:14","startHours":4.10697196204455,"endHours":5.228423108095504,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:12","end":"15:06","startHours":14.20003227650314,"endHours":15.097193193343903,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:29","end":"18:53","startHours":18.48583686070696,"endHours":18.88583686070696,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:41","end":"19:15","startHours":18.68583686070696,"endHours":19.246562433732436,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:26","end":"20:11","startHours":18.43583686070696,"endHours":20.18583686070696,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:31","end":"00:24","startHours":23.508549525980854,"endHours":24.405710442821615,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:14","end":"06:55","startHours":5.228423108095504,"endHours":6.910599827171936,"quality":"inauspicious"},{"name":"Udveg","start":"06:55","end":"08:36","startHours":6.910599827171936,"endHours":8.592776546248368,"quality":"inauspicious"},{"name":"Chala","start":"08:36","end":"10:16","startHours":8.592776546248368,"endHours":10.2749532653248,"quality":"neutral"},{"name":"Labha","start":"10:16","end":"11:57","startHours":10.2749532653248,"endHours":11.95712998440123,"quality":"auspicious"},{"name":"Amṛta","start":"11:57","end":"13:38","startHours":11.95712998440123,"endHours":13.639306703477665,"quality":"auspicious"},{"name":"Kāla","start":"13:38","end":"15:19","startHours":13.639306703477665,"endHours":15.321483422554095,"quality":"inauspicious"},{"name":"Śubha","start":"15:19","end":"17:00","startHours":15.321483422554095,"endHours":17.003660141630526,"quality":"auspicious"},{"name":"Roga","start":"17:00","end":"18:41","startHours":17.003660141630526,"endHours":18.68583686070696,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:41","end":"20:00","startHours":18.68583686070696,"endHours":20.00366014163053,"quality":"inauspicious"},{"name":"Śubha","start":"20:00","end":"21:19","startHours":20.00366014163053,"endHours":21.321483422554095,"quality":"auspicious"},{"name":"Roga","start":"21:19","end":"22:38","startHours":21.321483422554095,"endHours":22.639306703477665,"quality":"inauspicious"},{"name":"Udveg","start":"22:38","end":"23:57","startHours":22.639306703477665,"endHours":23.957129984401234,"quality":"inauspicious"},{"name":"Chala","start":"23:57","end":"01:16","startHours":23.957129984401234,"endHours":25.2749532653248,"quality":"neutral"},{"name":"Labha","start":"01:16","end":"02:36","startHours":25.2749532653248,"endHours":26.59277654624837,"quality":"auspicious"},{"name":"Amṛta","start":"02:36","end":"03:55","startHours":26.59277654624837,"endHours":27.910599827171936,"quality":"auspicious"},{"name":"Kāla","start":"03:55","end":"05:14","startHours":27.910599827171936,"endHours":29.228423108095505,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:14","end":"06:14","startHours":5.228423108095504,"endHours":6.228423108095504,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:14","end":"07:14","startHours":6.228423108095504,"endHours":7.228423108095504,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:14","end":"08:14","startHours":7.228423108095504,"endHours":8.228423108095505,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:14","end":"09:14","startHours":8.228423108095505,"endHours":9.228423108095505,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:14","end":"10:14","startHours":9.228423108095505,"endHours":10.228423108095505,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:14","end":"11:14","startHours":10.228423108095505,"endHours":11.228423108095505,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:14","end":"12:14","startHours":11.228423108095505,"endHours":12.228423108095505,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:14","end":"13:14","startHours":12.228423108095505,"endHours":13.228423108095505,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:14","end":"14:14","startHours":13.228423108095505,"endHours":14.228423108095505,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:14","end":"15:14","startHours":14.228423108095505,"endHours":15.228423108095505,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:14","end":"16:14","startHours":15.228423108095505,"endHours":16.228423108095505,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:14","end":"17:14","startHours":16.228423108095505,"endHours":17.228423108095505,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:14","end":"18:14","startHours":17.228423108095505,"endHours":18.228423108095505,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:14","end":"19:14","startHours":18.228423108095505,"endHours":19.228423108095505,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:14","end":"20:14","startHours":19.228423108095505,"endHours":20.228423108095505,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:14","end":"21:14","startHours":20.228423108095505,"endHours":21.228423108095505,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:14","end":"22:14","startHours":21.228423108095505,"endHours":22.228423108095505,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:14","end":"23:14","startHours":22.228423108095505,"endHours":23.228423108095505,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:14","end":"00:14","startHours":23.228423108095505,"endHours":24.228423108095505,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:14","end":"01:14","startHours":24.228423108095505,"endHours":25.228423108095505,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:14","end":"02:14","startHours":25.228423108095505,"endHours":26.228423108095505,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:14","end":"03:14","startHours":26.228423108095505,"endHours":27.228423108095505,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:14","end":"04:14","startHours":27.228423108095505,"endHours":28.228423108095505,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:14","end":"05:14","startHours":28.228423108095505,"endHours":29.228423108095505,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"North","anandadiYoga":{"name":"Mṛtyu","quality":"Inauspicious"},"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":18.84621969706457,"eotMinutes":3.7562009359260493,"ayanamsa":26.4704}},"calendars":{"vikram_samvat":2244,"vikram_samvatsara":"Śārvarī","saka_samvat":2109,"saka_samvatsara":"Sarvajit","bengali_samvat":1594,"malayalam_era":1363,"nanakshahi_year":718,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Saptamī · Vikram 2244 Śārvarī · Śaka 2109 Sarvajit"},"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":"ganga-saptami","name":"Gaṅgā Saptamī","name_sanskrit":"गङ्गा सप्तमी","tradition":"Pan-Hindu","associated_deity":"Devī Gaṅgā","significance":"Gaṅgā Devī's descent to Brahma-loka before her earth-descent.","vrata":true,"detection":{"tithi_number":7,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":4}],"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 15, 2187 CE · Ayodhyā · Vidhyamitra","description":"May 15, 2187 CE for Ayodhyā: Śukla Saptamī, sūryodaya 05:14, sūryāsta 18:41.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2187-05-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2187-05-15","sa":"https://sa.vidhyamitra.com/city/ayodhya/2187-05-15","hi":"https://hi.vidhyamitra.com/city/ayodhya/2187-05-15","x-default":"https://vidhyamitra.com/city/ayodhya/2187-05-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-22T05:07:34.241Z","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":"2026-05-22T05:07:34.241Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-22T05:07:34.241Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}