{"id":"vidhyamitra:city-day:ayodhya:2181-01-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2181-01-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2181-01-15","date_display":"January 15, 2181 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":2181,"month":1,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517668.770833,"kali_year":5282,"ahargana":1929203.2708,"sun":{"sidereal_longitude":268.3306,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":265.396,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":357.0654,"elapsed_within_tithi_degrees":9.0654},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4,"moon_longitude":265.396,"elapsed_within_degrees":12.0627},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":173.7266},"karana":{"half_tithi_index":59,"name":"Nāga"},"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":2181,"month":1,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2517668.770833,"ahargana":1929203.2708,"kali_year":5282,"ayanamsa_lahiri":26.382,"grahas":{"sun":{"sidereal_longitude":268.886796,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":264.6137960000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false,"latitude":4.0393},"mars":{"sidereal_longitude":45.785195999999985,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":248.328396,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":111.598996,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":261.339196,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":78.08219600000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":201.5267,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":21.5267,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","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":2181,"month":1,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517668.770833,"kali_year":5282,"ahargana":1929203.2708,"sun":{"sidereal_longitude":268.3306,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":265.396,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":357.0654,"elapsed_within_tithi_degrees":9.0654},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4,"moon_longitude":265.396,"elapsed_within_degrees":12.0627},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":173.7266},"karana":{"half_tithi_index":59,"name":"Nāga"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.039,"elongation":2.935},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.039,"opposition_distance":177.065}},"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":"06:51","sunsetLocal":"17:30","solarNoonLocal":"12:11","dayLengthHours":10.638701815560749,"dayLengthDisplay":"10 Hours 38 Mins 19 Secs","nightLengthDisplay":"13 Hours 21 Mins 41 Secs","moonriseLocal":"06:37","moonsetLocal":"17:10","rahuKala":{"name":"Rāhu Kāla","start":"08:11","end":"09:31","startHours":8.186052643266942,"endHours":9.515890370212036,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:51","end":"12:11","startHours":10.845728097157128,"endHours":12.175565824102222,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:30","end":"14:50","startHours":13.505403551047316,"endHours":14.83524127799241,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:20","end":"09:42","startHours":9.338578673286023,"endHours":9.693202067138047,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:18","end":"07:35","startHours":7.29949415863688,"endHours":7.5831928737185,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:49","end":"12:32","startHours":11.820942430250197,"endHours":12.530189217954247,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:26","end":"06:09","startHours":5.437721340913749,"endHours":6.146968128617798,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:58","end":"06:51","startHours":5.969656431691786,"endHours":6.856214916321848,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:57","end":"14:39","startHours":13.948682793362348,"endHours":14.657929581066398,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:18","end":"17:42","startHours":17.294916731882598,"endHours":17.694916731882596,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:30","end":"17:56","startHours":17.494916731882597,"endHours":17.93819597419763,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:15","end":"19:00","startHours":17.244916731882597,"endHours":18.994916731882597,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:49","end":"00:32","startHours":23.820942430250195,"endHours":24.53018921795425,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:51","end":"08:11","startHours":6.856214916321848,"endHours":8.186052643266942,"quality":"auspicious"},{"name":"Kāla","start":"08:11","end":"09:31","startHours":8.186052643266942,"endHours":9.515890370212036,"quality":"inauspicious"},{"name":"Śubha","start":"09:31","end":"10:51","startHours":9.515890370212036,"endHours":10.845728097157128,"quality":"auspicious"},{"name":"Roga","start":"10:51","end":"12:11","startHours":10.845728097157128,"endHours":12.175565824102222,"quality":"inauspicious"},{"name":"Udveg","start":"12:11","end":"13:30","startHours":12.175565824102222,"endHours":13.505403551047316,"quality":"inauspicious"},{"name":"Chala","start":"13:30","end":"14:50","startHours":13.505403551047316,"endHours":14.83524127799241,"quality":"neutral"},{"name":"Labha","start":"14:50","end":"16:10","startHours":14.83524127799241,"endHours":16.165079004937503,"quality":"auspicious"},{"name":"Amṛta","start":"16:10","end":"17:30","startHours":16.165079004937503,"endHours":17.494916731882597,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:30","end":"19:10","startHours":17.494916731882597,"endHours":19.165079004937503,"quality":"neutral"},{"name":"Labha","start":"19:10","end":"20:50","startHours":19.165079004937503,"endHours":20.83524127799241,"quality":"auspicious"},{"name":"Amṛta","start":"20:50","end":"22:30","startHours":20.83524127799241,"endHours":22.505403551047316,"quality":"auspicious"},{"name":"Kāla","start":"22:30","end":"00:11","startHours":22.505403551047316,"endHours":24.17556582410222,"quality":"inauspicious"},{"name":"Śubha","start":"00:11","end":"01:51","startHours":24.17556582410222,"endHours":25.845728097157128,"quality":"auspicious"},{"name":"Roga","start":"01:51","end":"03:31","startHours":25.845728097157128,"endHours":27.515890370212034,"quality":"inauspicious"},{"name":"Udveg","start":"03:31","end":"05:11","startHours":27.515890370212034,"endHours":29.18605264326694,"quality":"inauspicious"},{"name":"Chala","start":"05:11","end":"06:51","startHours":29.18605264326694,"endHours":30.856214916321846,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:51","end":"07:51","startHours":6.856214916321848,"endHours":7.856214916321848,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:51","end":"08:51","startHours":7.856214916321848,"endHours":8.856214916321848,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:51","end":"09:51","startHours":8.856214916321848,"endHours":9.856214916321848,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:51","end":"10:51","startHours":9.856214916321848,"endHours":10.856214916321848,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:51","end":"11:51","startHours":10.856214916321848,"endHours":11.856214916321848,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:51","end":"12:51","startHours":11.856214916321848,"endHours":12.856214916321848,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:51","end":"13:51","startHours":12.856214916321848,"endHours":13.856214916321848,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:51","end":"14:51","startHours":13.856214916321848,"endHours":14.856214916321848,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:51","end":"15:51","startHours":14.856214916321848,"endHours":15.856214916321848,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:51","end":"16:51","startHours":15.856214916321848,"endHours":16.856214916321846,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:51","end":"17:51","startHours":16.856214916321846,"endHours":17.856214916321846,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:51","end":"18:51","startHours":17.856214916321846,"endHours":18.856214916321846,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:51","end":"19:51","startHours":18.856214916321846,"endHours":19.856214916321846,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:51","end":"20:51","startHours":19.856214916321846,"endHours":20.856214916321846,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:51","end":"21:51","startHours":20.856214916321846,"endHours":21.856214916321846,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:51","end":"22:51","startHours":21.856214916321846,"endHours":22.856214916321846,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:51","end":"23:51","startHours":22.856214916321846,"endHours":23.856214916321846,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:51","end":"00:51","startHours":23.856214916321846,"endHours":24.856214916321846,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:51","end":"01:51","startHours":24.856214916321846,"endHours":25.856214916321846,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:51","end":"02:51","startHours":25.856214916321846,"endHours":26.856214916321846,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:51","end":"03:51","startHours":26.856214916321846,"endHours":27.856214916321846,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:51","end":"04:51","startHours":27.856214916321846,"endHours":28.856214916321846,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:51","end":"05:51","startHours":28.856214916321846,"endHours":29.856214916321846,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:51","end":"06:51","startHours":29.856214916321846,"endHours":30.856214916321846,"planetary_lord":"Venus"}],"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","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-21.08026835823045,"eotMinutes":-9.349949446133257,"ayanamsa":26.382}},"calendars":{"vikram_samvat":2238,"vikram_samvatsara":"Jaya","saka_samvat":2103,"saka_samvatsara":"Vṛṣa","bengali_samvat":1588,"malayalam_era":1357,"nanakshahi_year":712,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Amāvasyā · Vikram 2238 Jaya · Śaka 2103 Vṛṣa"},"festivals":[{"id":"lohri","name":"Lohri","name_sanskrit":"लोहड़ी","tradition":"Regional","significance":"Punjab harvest festival; eve of Makara Saṅkrānti. (Approximated as 13/14 January annually; correct via Sun in Dhanu/Makara cusp.)","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":4},{"id":"dhanu-sankranti","name":"Dhanu Saṅkrānti","name_sanskrit":"धनु सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Sagittarius; Dhanu-māsa (Khara-māsa).","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":5}],"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":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Kṛṣṇa Amāvasyā","url":"/day/-3137-10-20","relevance":0.5}]},"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 15, 2181 CE · Ayodhyā · Vidhyamitra","description":"January 15, 2181 CE for Ayodhyā: Kṛṣṇa Amāvasyā, sūryodaya 06:51, sūryāsta 17:30.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2181-01-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2181-01-15","sa":"https://sa.vidhyamitra.com/city/ayodhya/2181-01-15","hi":"https://hi.vidhyamitra.com/city/ayodhya/2181-01-15","x-default":"https://vidhyamitra.com/city/ayodhya/2181-01-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-21T10:18:11.396Z","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":"2026-05-21T10:18:11.396Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-21T10:18:11.396Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}