{"id":"vidhyamitra:city-day:ayodhya:2166-01-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2166-01-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2166-01-16","date_display":"January 16, 2166 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":2166,"month":1,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2512190.770833,"kali_year":5267,"ahargana":1923725.2708,"sun":{"sidereal_longitude":269.2359,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":87.6583,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":178.4224,"elapsed_within_tithi_degrees":10.4224},"nakshatra":{"number":7,"name":"Punarvasu","pada":3,"moon_longitude":87.6583,"elapsed_within_degrees":7.6583},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":356.8942},"karana":{"half_tithi_index":29,"name":"Bava"},"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":2166,"month":1,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2512190.770833,"ahargana":1923725.2708,"kali_year":5267,"ayanamsa_lahiri":26.1725,"grahas":{"sun":{"sidereal_longitude":269.749196,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":86.55159600000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false,"latitude":-3.131},"mars":{"sidereal_longitude":64.45869600000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":285.40599599999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":358.140896,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":222.383196,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":254.60899599999993,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":131.7775,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":311.7775,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","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":2166,"month":1,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2512190.770833,"kali_year":5267,"ahargana":1923725.2708,"sun":{"sidereal_longitude":269.2359,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":87.6583,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":178.4224,"elapsed_within_tithi_degrees":10.4224},"nakshatra":{"number":7,"name":"Punarvasu","pada":3,"moon_longitude":87.6583,"elapsed_within_degrees":7.6583},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":356.8942},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.131,"elongation":178.422},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.131,"opposition_distance":1.578}},"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":10.64803031353454,"dayLengthDisplay":"10 Hours 38 Mins 53 Secs","nightLengthDisplay":"13 Hours 21 Mins 07 Secs","moonriseLocal":"17:09","moonsetLocal":"06:47","rahuKala":{"name":"Rāhu Kāla","start":"13:31","end":"14:51","startHours":13.51228548155478,"endHours":14.843289270746599,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:51","end":"08:11","startHours":6.857266535595692,"endHours":8.18827032478751,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:31","end":"10:51","startHours":9.519274113979328,"endHours":10.850277903171145,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:21","end":"09:42","startHours":9.341806942087086,"endHours":9.69674128587157,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:18","end":"07:35","startHours":7.300934465326298,"endHours":7.584881940353886,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:32","startHours":11.826347348578476,"endHours":12.536216036147447,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:26","end":"06:09","startHours":5.437529160457753,"endHours":6.147397848026723,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:58","end":"06:51","startHours":5.969930676134481,"endHours":6.857266535595692,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:57","end":"14:40","startHours":13.955953411285385,"endHours":14.665822098854354,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:18","end":"17:42","startHours":17.305296849130233,"endHours":17.70529684913023,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:30","end":"17:57","startHours":17.505296849130232,"endHours":17.948964778860837,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:15","end":"19:00","startHours":17.255296849130232,"endHours":19.005296849130232,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:32","startHours":23.826347348578476,"endHours":24.536216036147447,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:51","end":"08:11","startHours":6.857266535595692,"endHours":8.18827032478751,"quality":"auspicious"},{"name":"Roga","start":"08:11","end":"09:31","startHours":8.18827032478751,"endHours":9.519274113979328,"quality":"inauspicious"},{"name":"Udveg","start":"09:31","end":"10:51","startHours":9.519274113979328,"endHours":10.850277903171145,"quality":"inauspicious"},{"name":"Chala","start":"10:51","end":"12:11","startHours":10.850277903171145,"endHours":12.181281692362962,"quality":"neutral"},{"name":"Labha","start":"12:11","end":"13:31","startHours":12.181281692362962,"endHours":13.51228548155478,"quality":"auspicious"},{"name":"Amṛta","start":"13:31","end":"14:51","startHours":13.51228548155478,"endHours":14.843289270746599,"quality":"auspicious"},{"name":"Kāla","start":"14:51","end":"16:10","startHours":14.843289270746599,"endHours":16.174293059938414,"quality":"inauspicious"},{"name":"Śubha","start":"16:10","end":"17:30","startHours":16.174293059938414,"endHours":17.505296849130232,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:30","end":"19:10","startHours":17.505296849130232,"endHours":19.174293059938414,"quality":"auspicious"},{"name":"Kāla","start":"19:10","end":"20:51","startHours":19.174293059938414,"endHours":20.843289270746595,"quality":"inauspicious"},{"name":"Śubha","start":"20:51","end":"22:31","startHours":20.843289270746595,"endHours":22.51228548155478,"quality":"auspicious"},{"name":"Roga","start":"22:31","end":"00:11","startHours":22.51228548155478,"endHours":24.181281692362962,"quality":"inauspicious"},{"name":"Udveg","start":"00:11","end":"01:51","startHours":24.181281692362962,"endHours":25.850277903171143,"quality":"inauspicious"},{"name":"Chala","start":"01:51","end":"03:31","startHours":25.850277903171143,"endHours":27.51927411397933,"quality":"neutral"},{"name":"Labha","start":"03:31","end":"05:11","startHours":27.51927411397933,"endHours":29.18827032478751,"quality":"auspicious"},{"name":"Amṛta","start":"05:11","end":"06:51","startHours":29.18827032478751,"endHours":30.85726653559569,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:51","end":"07:51","startHours":6.857266535595692,"endHours":7.857266535595692,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:51","end":"08:51","startHours":7.857266535595692,"endHours":8.857266535595691,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:51","end":"09:51","startHours":8.857266535595691,"endHours":9.857266535595691,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:51","end":"10:51","startHours":9.857266535595691,"endHours":10.857266535595691,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:51","end":"11:51","startHours":10.857266535595691,"endHours":11.857266535595691,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:51","end":"12:51","startHours":11.857266535595691,"endHours":12.857266535595691,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:51","end":"13:51","startHours":12.857266535595691,"endHours":13.857266535595691,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:51","end":"14:51","startHours":13.857266535595691,"endHours":14.857266535595691,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:51","end":"15:51","startHours":14.857266535595691,"endHours":15.857266535595691,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:51","end":"16:51","startHours":15.857266535595691,"endHours":16.85726653559569,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:51","end":"17:51","startHours":16.85726653559569,"endHours":17.85726653559569,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:51","end":"18:51","startHours":17.85726653559569,"endHours":18.85726653559569,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:51","end":"19:51","startHours":18.85726653559569,"endHours":19.85726653559569,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:51","end":"20:51","startHours":19.85726653559569,"endHours":20.85726653559569,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:51","end":"21:51","startHours":20.85726653559569,"endHours":21.85726653559569,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:51","end":"22:51","startHours":21.85726653559569,"endHours":22.85726653559569,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:51","end":"23:51","startHours":22.85726653559569,"endHours":23.85726653559569,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:51","end":"00:51","startHours":23.85726653559569,"endHours":24.85726653559569,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:51","end":"01:51","startHours":24.85726653559569,"endHours":25.85726653559569,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:51","end":"02:51","startHours":25.85726653559569,"endHours":26.85726653559569,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:51","end":"03:51","startHours":26.85726653559569,"endHours":27.85726653559569,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:51","end":"04:51","startHours":27.85726653559569,"endHours":28.85726653559569,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:51","end":"05:51","startHours":28.85726653559569,"endHours":29.85726653559569,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:51","end":"06:51","startHours":29.85726653559569,"endHours":30.85726653559569,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South","rahuVasa":"North-West","anandadiYoga":{"name":"Gada","quality":"Inauspicious"},"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":-20.960086984656396,"eotMinutes":-9.692901541777706,"ayanamsa":26.1725}},"calendars":{"vikram_samvat":2223,"vikram_samvatsara":"Pramāthi","saka_samvat":2088,"saka_samvatsara":"Akṣaya","bengali_samvat":1573,"malayalam_era":1342,"nanakshahi_year":697,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Pūrṇimā · Vikram 2223 Pramāthi · Śaka 2088 Akṣaya"},"festivals":[{"id":"paush-purnima","name":"Pauṣa Pūrṇimā (Śākambharī Devī Jayantī)","name_sanskrit":"पौष पूर्णिमा","tradition":"Pan-Hindu","associated_deity":"Devī Śākambharī","significance":"Manifestation of Devī Śākambharī (vegetation-mother).","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Pauṣa"},"precedence":3},{"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":"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":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Śukla Pūrṇimā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Punarvasu","url":"/day/-1626101-04-03","relevance":0.5},{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Śukla Pūrṇimā","url":"/day/-0562-04-11","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 16, 2166 CE · Ayodhyā · Vidhyamitra","description":"January 16, 2166 CE for Ayodhyā: Śukla Pūrṇimā, sūryodaya 06:51, sūryāsta 17:30.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2166-01-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2166-01-16","sa":"https://sa.vidhyamitra.com/city/ayodhya/2166-01-16","hi":"https://hi.vidhyamitra.com/city/ayodhya/2166-01-16","x-default":"https://vidhyamitra.com/city/ayodhya/2166-01-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-20T19:35:47.936Z","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":"2026-05-20T19:35:47.936Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-20T19:35:47.936Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}