{"id":"vidhyamitra:city-day:ayodhya:2131-05-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2131-05-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2131-05-18","date_display":"May 18, 2131 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":2131,"month":5,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2499528.770833,"kali_year":5233,"ahargana":1911063.2708,"sun":{"sidereal_longitude":30.745,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":278.9153,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":248.1704,"elapsed_within_tithi_degrees":8.1704},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4,"moon_longitude":278.9153,"elapsed_within_degrees":12.2487},"yoga":{"number":24,"name":"Śukla","sum_longitude":309.6603},"karana":{"half_tithi_index":41,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":2131,"month":5,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2499528.770833,"ahargana":1911063.2708,"kali_year":5233,"ayanamsa_lahiri":25.6882,"grahas":{"sun":{"sidereal_longitude":31.074378000000024,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":275.917678,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false,"latitude":-1.2576},"mars":{"sidereal_longitude":311.9645780000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":27.08077800000001,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":38.03427799999997,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":13.634277999999995,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":194.37467800000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":82.6712,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":262.6712,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","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":2131,"month":5,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2499528.770833,"kali_year":5233,"ahargana":1911063.2708,"sun":{"sidereal_longitude":30.745,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":278.9153,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":248.1704,"elapsed_within_tithi_degrees":8.1704},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4,"moon_longitude":278.9153,"elapsed_within_degrees":12.2487},"yoga":{"number":24,"name":"Śukla","sum_longitude":309.6603},"karana":{"half_tithi_index":41,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.258,"elongation":111.83},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.258,"opposition_distance":68.17}},"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":"05:12","sunsetLocal":"18:43","solarNoonLocal":"11:57","dayLengthHours":13.502832868718837,"dayLengthDisplay":"13 Hours 30 Mins 10 Secs","nightLengthDisplay":"10 Hours 29 Mins 50 Secs","moonriseLocal":"22:56","moonsetLocal":"09:38","rahuKala":{"name":"Rāhu Kāla","start":"10:16","end":"11:57","startHours":10.270392854902319,"endHours":11.958246963492172,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:20","end":"17:01","startHours":15.333955180671882,"endHours":17.021809289261736,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:54","end":"08:35","startHours":6.894684637722609,"endHours":8.582538746312464,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:21","end":"08:48","startHours":8.357491531833816,"endHours":8.807585960791112,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:46","end":"06:08","startHours":5.769448565329373,"endHours":6.129524108495209,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:30","end":"12:25","startHours":11.50815253453488,"endHours":12.408341392449469,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:24","end":"04:18","startHours":3.4064528133035763,"endHours":4.306641671218165,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:05","end":"05:12","startHours":4.081594456739518,"endHours":5.206830529132755,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:13","end":"15:07","startHours":14.208719108278647,"endHours":15.108907966193236,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:31","end":"18:55","startHours":18.509663397851593,"endHours":18.909663397851592,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:43","end":"19:16","startHours":18.709663397851592,"endHours":19.27228143404821,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:28","end":"20:13","startHours":18.459663397851592,"endHours":20.209663397851592,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:30","end":"00:25","startHours":23.50815253453488,"endHours":24.408341392449465,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:12","end":"06:54","startHours":5.206830529132755,"endHours":6.894684637722609,"quality":"neutral"},{"name":"Labha","start":"06:54","end":"08:35","startHours":6.894684637722609,"endHours":8.582538746312464,"quality":"auspicious"},{"name":"Amṛta","start":"08:35","end":"10:16","startHours":8.582538746312464,"endHours":10.270392854902319,"quality":"auspicious"},{"name":"Kāla","start":"10:16","end":"11:57","startHours":10.270392854902319,"endHours":11.958246963492172,"quality":"inauspicious"},{"name":"Śubha","start":"11:57","end":"13:39","startHours":11.958246963492172,"endHours":13.646101072082029,"quality":"auspicious"},{"name":"Roga","start":"13:39","end":"15:20","startHours":13.646101072082029,"endHours":15.333955180671882,"quality":"inauspicious"},{"name":"Udveg","start":"15:20","end":"17:01","startHours":15.333955180671882,"endHours":17.021809289261736,"quality":"inauspicious"},{"name":"Chala","start":"17:01","end":"18:43","startHours":17.021809289261736,"endHours":18.709663397851592,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:43","end":"20:01","startHours":18.709663397851592,"endHours":20.02180928926174,"quality":"inauspicious"},{"name":"Udveg","start":"20:01","end":"21:20","startHours":20.02180928926174,"endHours":21.333955180671882,"quality":"inauspicious"},{"name":"Chala","start":"21:20","end":"22:39","startHours":21.333955180671882,"endHours":22.64610107208203,"quality":"neutral"},{"name":"Labha","start":"22:39","end":"23:57","startHours":22.64610107208203,"endHours":23.958246963492172,"quality":"auspicious"},{"name":"Amṛta","start":"23:57","end":"01:16","startHours":23.958246963492172,"endHours":25.27039285490232,"quality":"auspicious"},{"name":"Kāla","start":"01:16","end":"02:35","startHours":25.27039285490232,"endHours":26.582538746312466,"quality":"inauspicious"},{"name":"Śubha","start":"02:35","end":"03:54","startHours":26.582538746312466,"endHours":27.894684637722612,"quality":"auspicious"},{"name":"Roga","start":"03:54","end":"05:12","startHours":27.894684637722612,"endHours":29.206830529132755,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:12","end":"06:12","startHours":5.206830529132755,"endHours":6.206830529132755,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:12","end":"07:12","startHours":6.206830529132755,"endHours":7.206830529132755,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:12","end":"08:12","startHours":7.206830529132755,"endHours":8.206830529132755,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:12","end":"09:12","startHours":8.206830529132755,"endHours":9.206830529132755,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:12","end":"10:12","startHours":9.206830529132755,"endHours":10.206830529132755,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:12","end":"11:12","startHours":10.206830529132755,"endHours":11.206830529132755,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:12","end":"12:12","startHours":11.206830529132755,"endHours":12.206830529132755,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:12","end":"13:12","startHours":12.206830529132755,"endHours":13.206830529132755,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:12","end":"14:12","startHours":13.206830529132755,"endHours":14.206830529132755,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:12","end":"15:12","startHours":14.206830529132755,"endHours":15.206830529132755,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:12","end":"16:12","startHours":15.206830529132755,"endHours":16.206830529132755,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:12","end":"17:12","startHours":16.206830529132755,"endHours":17.206830529132755,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:12","end":"18:12","startHours":17.206830529132755,"endHours":18.206830529132755,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:12","end":"19:12","startHours":18.206830529132755,"endHours":19.206830529132755,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:12","end":"20:12","startHours":19.206830529132755,"endHours":20.206830529132755,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:12","end":"21:12","startHours":20.206830529132755,"endHours":21.206830529132755,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:12","end":"22:12","startHours":21.206830529132755,"endHours":22.206830529132755,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:12","end":"23:12","startHours":22.206830529132755,"endHours":23.206830529132755,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:12","end":"00:12","startHours":23.206830529132755,"endHours":24.206830529132755,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:12","end":"01:12","startHours":24.206830529132755,"endHours":25.206830529132755,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:12","end":"02:12","startHours":25.206830529132755,"endHours":26.206830529132755,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:12","end":"03:12","startHours":26.206830529132755,"endHours":27.206830529132755,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:12","end":"04:12","startHours":27.206830529132755,"endHours":28.206830529132755,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:12","end":"05:12","startHours":28.206830529132755,"endHours":29.206830529132755,"planetary_lord":"Mars"}],"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":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"South-East","anandadiYoga":{"name":"Mānasa","quality":"Auspicious"},"drikRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":19.430671942228216,"eotMinutes":3.6891821904695723,"ayanamsa":25.6882}},"calendars":{"vikram_samvat":2188,"vikram_samvatsara":"Krodhi","saka_samvat":2053,"saka_samvatsara":"Khara","bengali_samvat":1538,"malayalam_era":1307,"nanakshahi_year":662,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Kṛṣṇa Pakṣa","solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Kṛṣṇa Ṣaṣṭhī · Vikram 2188 Krodhi · Śaka 2053 Khara"},"festivals":[{"id":"vrishabha-sankranti","name":"Vṛṣabha Saṅkrānti","name_sanskrit":"वृषभ सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Taurus.","vrata":false,"detection":{"sun_rashi":"Vṛṣabha"},"precedence":5}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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, 2131 CE · Ayodhyā · Vidhyamitra","description":"May 18, 2131 CE for Ayodhyā: Kṛṣṇa Ṣaṣṭhī, sūryodaya 05:12, sūryāsta 18:43.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2131-05-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2131-05-18","sa":"https://sa.vidhyamitra.com/city/ayodhya/2131-05-18","hi":"https://hi.vidhyamitra.com/city/ayodhya/2131-05-18","x-default":"https://vidhyamitra.com/city/ayodhya/2131-05-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-17T08:08:24.445Z","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":"2026-05-17T08:08:24.445Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-17T08:08:24.445Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}