{"id":"vidhyamitra:city-day:ayodhya:2131-01-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2131-01-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2131-01-18","date_display":"January 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":1,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2499408.770833,"kali_year":5232,"ahargana":1910943.2708,"sun":{"sidereal_longitude":271.3478,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":145.8313,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":234.4835,"elapsed_within_tithi_degrees":6.4835},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":145.8313,"elapsed_within_degrees":12.498},"yoga":{"number":5,"name":"Śobhana","sum_longitude":57.1791},"karana":{"half_tithi_index":39,"name":"Taitila"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":1,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2499408.770833,"ahargana":1910943.2708,"kali_year":5232,"ayanamsa_lahiri":25.6836,"grahas":{"sun":{"sidereal_longitude":271.7615619999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":143.995862,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false,"latitude":3.7644},"mars":{"sidereal_longitude":227.01266199999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":264.01136199999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":18.448262,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":227.577762,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":197.72886199999994,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":89.0294,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":269.0294,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":2131,"month":1,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2499408.770833,"kali_year":5232,"ahargana":1910943.2708,"sun":{"sidereal_longitude":271.3478,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":145.8313,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":234.4835,"elapsed_within_tithi_degrees":6.4835},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":145.8313,"elapsed_within_degrees":12.498},"yoga":{"number":5,"name":"Śobhana","sum_longitude":57.1791},"karana":{"half_tithi_index":39,"name":"Taitila"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.764,"elongation":125.516},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.764,"opposition_distance":54.484}},"eclipse_window_40days":[{"offset_days":11,"type":"solar","occurs":true,"moon_latitude":-0.919,"elongation":2.391}]},"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":"06:51","sunsetLocal":"17:32","solarNoonLocal":"12:12","dayLengthHours":10.670557032040136,"dayLengthDisplay":"10 Hours 40 Mins 14 Secs","nightLengthDisplay":"13 Hours 19 Mins 46 Secs","moonriseLocal":"21:30","moonsetLocal":"09:51","rahuKala":{"name":"Rāhu Kāla","start":"13:32","end":"14:52","startHours":13.52604012203318,"endHours":14.859859751038197,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:51","end":"08:11","startHours":6.856941977008094,"endHours":8.190761606013112,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:31","end":"10:52","startHours":9.524581235018129,"endHours":10.858400864023146,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:21","end":"09:42","startHours":9.34673861781746,"endHours":9.702423852218796,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:18","end":"07:35","startHours":7.301548520009766,"endHours":7.586096707530837,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:33","startHours":11.836535258626824,"endHours":12.547905727429502,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:26","end":"06:09","startHours":5.434201039402742,"endHours":6.1455715082054185,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:58","end":"06:51","startHours":5.967728891004749,"endHours":6.856941977008094,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:58","end":"14:41","startHours":13.970646665034852,"endHours":14.682017133837528,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:20","end":"17:44","startHours":17.327499009048232,"endHours":17.72749900904823,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:32","end":"17:58","startHours":17.52749900904823,"endHours":17.972105552049904,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:17","end":"19:02","startHours":17.27749900904823,"endHours":19.02749900904823,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:33","startHours":23.836535258626824,"endHours":24.5479057274295,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:51","end":"08:11","startHours":6.856941977008094,"endHours":8.190761606013112,"quality":"auspicious"},{"name":"Roga","start":"08:11","end":"09:31","startHours":8.190761606013112,"endHours":9.524581235018129,"quality":"inauspicious"},{"name":"Udveg","start":"09:31","end":"10:52","startHours":9.524581235018129,"endHours":10.858400864023146,"quality":"inauspicious"},{"name":"Chala","start":"10:52","end":"12:12","startHours":10.858400864023146,"endHours":12.192220493028163,"quality":"neutral"},{"name":"Labha","start":"12:12","end":"13:32","startHours":12.192220493028163,"endHours":13.52604012203318,"quality":"auspicious"},{"name":"Amṛta","start":"13:32","end":"14:52","startHours":13.52604012203318,"endHours":14.859859751038197,"quality":"auspicious"},{"name":"Kāla","start":"14:52","end":"16:12","startHours":14.859859751038197,"endHours":16.193679380043214,"quality":"inauspicious"},{"name":"Śubha","start":"16:12","end":"17:32","startHours":16.193679380043214,"endHours":17.52749900904823,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:32","end":"19:12","startHours":17.52749900904823,"endHours":19.193679380043214,"quality":"auspicious"},{"name":"Kāla","start":"19:12","end":"20:52","startHours":19.193679380043214,"endHours":20.859859751038197,"quality":"inauspicious"},{"name":"Śubha","start":"20:52","end":"22:32","startHours":20.859859751038197,"endHours":22.52604012203318,"quality":"auspicious"},{"name":"Roga","start":"22:32","end":"00:12","startHours":22.52604012203318,"endHours":24.192220493028163,"quality":"inauspicious"},{"name":"Udveg","start":"00:12","end":"01:52","startHours":24.192220493028163,"endHours":25.858400864023146,"quality":"inauspicious"},{"name":"Chala","start":"01:52","end":"03:31","startHours":25.858400864023146,"endHours":27.52458123501813,"quality":"neutral"},{"name":"Labha","start":"03:31","end":"05:11","startHours":27.52458123501813,"endHours":29.190761606013112,"quality":"auspicious"},{"name":"Amṛta","start":"05:11","end":"06:51","startHours":29.190761606013112,"endHours":30.856941977008095,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:51","end":"07:51","startHours":6.856941977008094,"endHours":7.856941977008094,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:51","end":"08:51","startHours":7.856941977008094,"endHours":8.856941977008095,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:51","end":"09:51","startHours":8.856941977008095,"endHours":9.856941977008095,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:51","end":"10:51","startHours":9.856941977008095,"endHours":10.856941977008095,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:51","end":"11:51","startHours":10.856941977008095,"endHours":11.856941977008095,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:51","end":"12:51","startHours":11.856941977008095,"endHours":12.856941977008095,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:51","end":"13:51","startHours":12.856941977008095,"endHours":13.856941977008095,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:51","end":"14:51","startHours":13.856941977008095,"endHours":14.856941977008095,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:51","end":"15:51","startHours":14.856941977008095,"endHours":15.856941977008095,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:51","end":"16:51","startHours":15.856941977008095,"endHours":16.856941977008095,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:51","end":"17:51","startHours":16.856941977008095,"endHours":17.856941977008095,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:51","end":"18:51","startHours":17.856941977008095,"endHours":18.856941977008095,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:51","end":"19:51","startHours":18.856941977008095,"endHours":19.856941977008095,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:51","end":"20:51","startHours":19.856941977008095,"endHours":20.856941977008095,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:51","end":"21:51","startHours":20.856941977008095,"endHours":21.856941977008095,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:51","end":"22:51","startHours":21.856941977008095,"endHours":22.856941977008095,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:51","end":"23:51","startHours":22.856941977008095,"endHours":23.856941977008095,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:51","end":"00:51","startHours":23.856941977008095,"endHours":24.856941977008095,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:51","end":"01:51","startHours":24.856941977008095,"endHours":25.856941977008095,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:51","end":"02:51","startHours":25.856941977008095,"endHours":26.856941977008095,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:51","end":"03:51","startHours":26.856941977008095,"endHours":27.856941977008095,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:51","end":"04:51","startHours":27.856941977008095,"endHours":28.856941977008095,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:51","end":"05:51","startHours":28.856941977008095,"endHours":29.856941977008095,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:51","end":"06:51","startHours":29.856941977008095,"endHours":30.856941977008095,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"West","rahuVasa":"North-West","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"drikRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-20.668996717887694,"eotMinutes":-10.349229581689698,"ayanamsa":25.6836}},"calendars":{"vikram_samvat":2188,"vikram_samvatsara":"Krodhi","saka_samvat":2053,"saka_samvatsara":"Khara","bengali_samvat":1538,"malayalam_era":1307,"nanakshahi_year":662,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Pañcamī · Vikram 2188 Krodhi · Śaka 2053 Khara"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 January 18, 2131 CE · Ayodhyā · Vidhyamitra","description":"January 18, 2131 CE for Ayodhyā: Kṛṣṇa Pañcamī, sūryodaya 06:51, sūryāsta 17:32.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2131-01-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2131-01-18","sa":"https://sa.vidhyamitra.com/city/ayodhya/2131-01-18","hi":"https://hi.vidhyamitra.com/city/ayodhya/2131-01-18","x-default":"https://vidhyamitra.com/city/ayodhya/2131-01-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-17T06:48:05.511Z","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":"2026-05-17T06:48:05.512Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-17T06:48:05.512Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}