{"id":"vidhyamitra:city-day:ayodhya:2181-01-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2181-01-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2181-01-16","date_display":"January 16, 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":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517669.770833,"kali_year":5282,"ahargana":1929204.2708,"sun":{"sidereal_longitude":269.3578,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":279.6182,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":10.2604,"elapsed_within_tithi_degrees":10.2604},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4,"moon_longitude":279.6182,"elapsed_within_degrees":12.9515},"yoga":{"number":15,"name":"Vajra","sum_longitude":188.976},"karana":{"half_tithi_index":1,"name":"Bava"},"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":2181,"month":1,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2517669.770833,"ahargana":1929204.2708,"kali_year":5282,"ayanamsa_lahiri":26.382,"grahas":{"sun":{"sidereal_longitude":269.90545799999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":279.304258,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false,"latitude":4.4038},"mars":{"sidereal_longitude":45.74095799999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":248.151658,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":111.48865799999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":262.59715800000004,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":78.00165800000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":201.4737,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":21.4737,"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":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517669.770833,"kali_year":5282,"ahargana":1929204.2708,"sun":{"sidereal_longitude":269.3578,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":279.6182,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":10.2604,"elapsed_within_tithi_degrees":10.2604},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4,"moon_longitude":279.6182,"elapsed_within_degrees":12.9515},"yoga":{"number":15,"name":"Vajra","sum_longitude":188.976},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.404,"elongation":10.26},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.404,"opposition_distance":169.74}},"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":10.653342319784775,"dayLengthDisplay":"10 Hours 39 Mins 12 Secs","nightLengthDisplay":"13 Hours 20 Mins 48 Secs","moonriseLocal":"07:25","moonsetLocal":"18:12","rahuKala":{"name":"Rāhu Kāla","start":"14:51","end":"16:11","startHours":14.844617272309156,"endHours":16.176285062282254,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:31","end":"10:51","startHours":9.51794611241677,"endHours":10.849613902389866,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:11","end":"13:31","startHours":12.181281692362962,"endHours":13.51294948233606,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:20","end":"09:42","startHours":9.340390407087023,"endHours":9.695501817746514,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:18","end":"07:35","startHours":7.298499795794941,"endHours":7.582588924322534,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:32","startHours":11.826170281703469,"endHours":12.536393103022455,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:26","end":"06:09","startHours":5.434164889832605,"endHours":6.14438771115159,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:58","end":"06:51","startHours":5.9668320058218445,"endHours":6.854610532470575,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:57","end":"14:40","startHours":13.956838745660425,"endHours":14.66706156697941,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:18","end":"17:42","startHours":17.30795285225535,"endHours":17.70795285225535,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:30","end":"17:57","startHours":17.50795285225535,"endHours":17.951842115579716,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:15","end":"19:00","startHours":17.25795285225535,"endHours":19.00795285225535,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:32","startHours":23.82617028170347,"endHours":24.536393103022455,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:51","end":"08:11","startHours":6.854610532470575,"endHours":8.186278322443671,"quality":"inauspicious"},{"name":"Udveg","start":"08:11","end":"09:31","startHours":8.186278322443671,"endHours":9.51794611241677,"quality":"inauspicious"},{"name":"Chala","start":"09:31","end":"10:51","startHours":9.51794611241677,"endHours":10.849613902389866,"quality":"neutral"},{"name":"Labha","start":"10:51","end":"12:11","startHours":10.849613902389866,"endHours":12.181281692362962,"quality":"auspicious"},{"name":"Amṛta","start":"12:11","end":"13:31","startHours":12.181281692362962,"endHours":13.51294948233606,"quality":"auspicious"},{"name":"Kāla","start":"13:31","end":"14:51","startHours":13.51294948233606,"endHours":14.844617272309156,"quality":"inauspicious"},{"name":"Śubha","start":"14:51","end":"16:11","startHours":14.844617272309156,"endHours":16.176285062282254,"quality":"auspicious"},{"name":"Roga","start":"16:11","end":"17:30","startHours":16.176285062282254,"endHours":17.50795285225535,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:30","end":"19:11","startHours":17.50795285225535,"endHours":19.176285062282254,"quality":"inauspicious"},{"name":"Śubha","start":"19:11","end":"20:51","startHours":19.176285062282254,"endHours":20.844617272309158,"quality":"auspicious"},{"name":"Roga","start":"20:51","end":"22:31","startHours":20.844617272309158,"endHours":22.51294948233606,"quality":"inauspicious"},{"name":"Udveg","start":"22:31","end":"00:11","startHours":22.51294948233606,"endHours":24.181281692362962,"quality":"inauspicious"},{"name":"Chala","start":"00:11","end":"01:51","startHours":24.181281692362962,"endHours":25.849613902389866,"quality":"neutral"},{"name":"Labha","start":"01:51","end":"03:31","startHours":25.849613902389866,"endHours":27.51794611241677,"quality":"auspicious"},{"name":"Amṛta","start":"03:31","end":"05:11","startHours":27.51794611241677,"endHours":29.18627832244367,"quality":"auspicious"},{"name":"Kāla","start":"05:11","end":"06:51","startHours":29.18627832244367,"endHours":30.854610532470574,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:51","end":"07:51","startHours":6.854610532470575,"endHours":7.854610532470575,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:51","end":"08:51","startHours":7.854610532470575,"endHours":8.854610532470575,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:51","end":"09:51","startHours":8.854610532470575,"endHours":9.854610532470575,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:51","end":"10:51","startHours":9.854610532470575,"endHours":10.854610532470575,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:51","end":"11:51","startHours":10.854610532470575,"endHours":11.854610532470575,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:51","end":"12:51","startHours":11.854610532470575,"endHours":12.854610532470575,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:51","end":"13:51","startHours":12.854610532470575,"endHours":13.854610532470575,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:51","end":"14:51","startHours":13.854610532470575,"endHours":14.854610532470575,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:51","end":"15:51","startHours":14.854610532470575,"endHours":15.854610532470575,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:51","end":"16:51","startHours":15.854610532470575,"endHours":16.854610532470574,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:51","end":"17:51","startHours":16.854610532470574,"endHours":17.854610532470574,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:51","end":"18:51","startHours":17.854610532470574,"endHours":18.854610532470574,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:51","end":"19:51","startHours":18.854610532470574,"endHours":19.854610532470574,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:51","end":"20:51","startHours":19.854610532470574,"endHours":20.854610532470574,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:51","end":"21:51","startHours":20.854610532470574,"endHours":21.854610532470574,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:51","end":"22:51","startHours":21.854610532470574,"endHours":22.854610532470574,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:51","end":"23:51","startHours":22.854610532470574,"endHours":23.854610532470574,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:51","end":"00:51","startHours":23.854610532470574,"endHours":24.854610532470574,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:51","end":"01:51","startHours":24.854610532470574,"endHours":25.854610532470574,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:51","end":"02:51","startHours":25.854610532470574,"endHours":26.854610532470574,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:51","end":"03:51","startHours":26.854610532470574,"endHours":27.854610532470574,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:51","end":"04:51","startHours":27.854610532470574,"endHours":28.854610532470574,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:51","end":"05:51","startHours":28.854610532470574,"endHours":29.854610532470574,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:51","end":"06:51","startHours":29.854610532470574,"endHours":30.854610532470574,"planetary_lord":"Saturn"}],"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":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"North","anandadiYoga":{"name":"Ānanda","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":-20.891556279873146,"eotMinutes":-9.692901541777706,"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 Śukla Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Pratipada · 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":"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 January 16, 2181 CE · Ayodhyā · Vidhyamitra","description":"January 16, 2181 CE for Ayodhyā: Śukla Pratipada, sūryodaya 06:51, sūryāsta 17:30.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2181-01-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2181-01-16","sa":"https://sa.vidhyamitra.com/city/ayodhya/2181-01-16","hi":"https://hi.vidhyamitra.com/city/ayodhya/2181-01-16","x-default":"https://vidhyamitra.com/city/ayodhya/2181-01-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-21T10:11:17.618Z","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":"2026-05-21T10:11:17.618Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-21T10:11:17.618Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}