{"id":"vidhyamitra:city-day:ayodhya:2180-01-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2180-01-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2180-01-04","date_display":"January 4, 2180 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":2180,"month":1,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517291.770833,"kali_year":5281,"ahargana":1928826.2708,"sun":{"sidereal_longitude":256.2623,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":336.9568,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":80.6945,"elapsed_within_tithi_degrees":8.6945},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2,"moon_longitude":336.9568,"elapsed_within_degrees":3.6235},"yoga":{"number":18,"name":"Varīyān","sum_longitude":233.2191},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"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":2180,"month":1,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2517291.770833,"ahargana":1928826.2708,"kali_year":5281,"ayanamsa_lahiri":26.3676,"grahas":{"sun":{"sidereal_longitude":256.92089999999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":337.5511,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false,"latitude":4.0624},"mars":{"sidereal_longitude":228.1802,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":273.5748,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":76.76190000000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":298.44589999999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":63.73430000000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":221.502,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":41.502,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","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":2180,"month":1,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517291.770833,"kali_year":5281,"ahargana":1928826.2708,"sun":{"sidereal_longitude":256.2623,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":336.9568,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":80.6945,"elapsed_within_tithi_degrees":8.6945},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2,"moon_longitude":336.9568,"elapsed_within_degrees":3.6235},"yoga":{"number":18,"name":"Varīyān","sum_longitude":233.2191},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.062,"elongation":80.695},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.062,"opposition_distance":99.305}},"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":"17:21","solarNoonLocal":"12:06","dayLengthHours":10.505475078944151,"dayLengthDisplay":"10 Hours 30 Mins 20 Secs","nightLengthDisplay":"13 Hours 29 Mins 40 Secs","moonriseLocal":"11:23","moonsetLocal":"23:34","rahuKala":{"name":"Rāhu Kāla","start":"14:44","end":"16:03","startHours":14.729833884158474,"endHours":16.043018269026494,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:29","end":"10:47","startHours":9.477096344686398,"endHours":10.790280729554418,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:06","end":"13:25","startHours":12.103465114422438,"endHours":13.416649499290456,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:18","end":"09:39","startHours":9.302005093370664,"endHours":9.652187596002134,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:17","end":"07:34","startHours":7.288455703239701,"endHours":7.568601705344879,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:45","end":"12:27","startHours":11.753282611790967,"endHours":12.453647617053909,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:27","end":"06:09","startHours":5.449997564424474,"endHours":6.150362569687418,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:59","end":"06:51","startHours":5.975271318371682,"endHours":6.850727574950361,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:51","end":"14:33","startHours":13.854377627579796,"endHours":14.55474263284274,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:09","end":"17:33","startHours":17.156202653894514,"endHours":17.556202653894513,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:21","end":"17:48","startHours":17.356202653894513,"endHours":17.793930782183853,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:06","end":"18:51","startHours":17.106202653894513,"endHours":18.856202653894513,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:45","end":"00:27","startHours":23.753282611790965,"endHours":24.45364761705391,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:51","end":"08:10","startHours":6.850727574950361,"endHours":8.16391195981838,"quality":"inauspicious"},{"name":"Udveg","start":"08:10","end":"09:29","startHours":8.16391195981838,"endHours":9.477096344686398,"quality":"inauspicious"},{"name":"Chala","start":"09:29","end":"10:47","startHours":9.477096344686398,"endHours":10.790280729554418,"quality":"neutral"},{"name":"Labha","start":"10:47","end":"12:06","startHours":10.790280729554418,"endHours":12.103465114422438,"quality":"auspicious"},{"name":"Amṛta","start":"12:06","end":"13:25","startHours":12.103465114422438,"endHours":13.416649499290456,"quality":"auspicious"},{"name":"Kāla","start":"13:25","end":"14:44","startHours":13.416649499290456,"endHours":14.729833884158474,"quality":"inauspicious"},{"name":"Śubha","start":"14:44","end":"16:03","startHours":14.729833884158474,"endHours":16.043018269026494,"quality":"auspicious"},{"name":"Roga","start":"16:03","end":"17:21","startHours":16.043018269026494,"endHours":17.356202653894513,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:21","end":"19:03","startHours":17.356202653894513,"endHours":19.043018269026494,"quality":"inauspicious"},{"name":"Śubha","start":"19:03","end":"20:44","startHours":19.043018269026494,"endHours":20.729833884158474,"quality":"auspicious"},{"name":"Roga","start":"20:44","end":"22:25","startHours":20.729833884158474,"endHours":22.416649499290457,"quality":"inauspicious"},{"name":"Udveg","start":"22:25","end":"00:06","startHours":22.416649499290457,"endHours":24.103465114422438,"quality":"inauspicious"},{"name":"Chala","start":"00:06","end":"01:47","startHours":24.103465114422438,"endHours":25.790280729554418,"quality":"neutral"},{"name":"Labha","start":"01:47","end":"03:29","startHours":25.790280729554418,"endHours":27.4770963446864,"quality":"auspicious"},{"name":"Amṛta","start":"03:29","end":"05:10","startHours":27.4770963446864,"endHours":29.163911959818382,"quality":"auspicious"},{"name":"Kāla","start":"05:10","end":"06:51","startHours":29.163911959818382,"endHours":30.850727574950362,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:51","end":"07:51","startHours":6.850727574950361,"endHours":7.850727574950361,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:51","end":"08:51","startHours":7.850727574950361,"endHours":8.850727574950362,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:51","end":"09:51","startHours":8.850727574950362,"endHours":9.850727574950362,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:51","end":"10:51","startHours":9.850727574950362,"endHours":10.850727574950362,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:51","end":"11:51","startHours":10.850727574950362,"endHours":11.850727574950362,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:51","end":"12:51","startHours":11.850727574950362,"endHours":12.850727574950362,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:51","end":"13:51","startHours":12.850727574950362,"endHours":13.850727574950362,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:51","end":"14:51","startHours":13.850727574950362,"endHours":14.850727574950362,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:51","end":"15:51","startHours":14.850727574950362,"endHours":15.850727574950362,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:51","end":"16:51","startHours":15.850727574950362,"endHours":16.850727574950362,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:51","end":"17:51","startHours":16.850727574950362,"endHours":17.850727574950362,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:51","end":"18:51","startHours":17.850727574950362,"endHours":18.850727574950362,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:51","end":"19:51","startHours":18.850727574950362,"endHours":19.850727574950362,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:51","end":"20:51","startHours":19.850727574950362,"endHours":20.850727574950362,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:51","end":"21:51","startHours":20.850727574950362,"endHours":21.850727574950362,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:51","end":"22:51","startHours":21.850727574950362,"endHours":22.850727574950362,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:51","end":"23:51","startHours":22.850727574950362,"endHours":23.850727574950362,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:51","end":"00:51","startHours":23.850727574950362,"endHours":24.850727574950362,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:51","end":"01:51","startHours":24.850727574950362,"endHours":25.850727574950362,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:51","end":"02:51","startHours":25.850727574950362,"endHours":26.850727574950362,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:51","end":"03:51","startHours":26.850727574950362,"endHours":27.850727574950362,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:51","end":"04:51","startHours":27.850727574950362,"endHours":28.850727574950362,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:51","end":"05:51","startHours":28.850727574950362,"endHours":29.850727574950362,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:51","end":"06:51","startHours":29.850727574950362,"endHours":30.850727574950362,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"North","anandadiYoga":{"name":"Dhvānkṣa","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":-22.773127985673135,"eotMinutes":-5.02390686534617,"ayanamsa":26.3676}},"calendars":{"vikram_samvat":2237,"vikram_samvatsara":"Vijaya","saka_samvat":2102,"saka_samvatsara":"Vikrama","bengali_samvat":1587,"malayalam_era":1356,"nanakshahi_year":711,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Saptamī · Vikram 2237 Vijaya · Śaka 2102 Vikrama"},"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 4, 2180 CE · Ayodhyā · Vidhyamitra","description":"January 4, 2180 CE for Ayodhyā: Śukla Saptamī, sūryodaya 06:51, sūryāsta 17:21.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2180-01-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2180-01-04","sa":"https://sa.vidhyamitra.com/city/ayodhya/2180-01-04","hi":"https://hi.vidhyamitra.com/city/ayodhya/2180-01-04","x-default":"https://vidhyamitra.com/city/ayodhya/2180-01-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-21T13:19:06.155Z","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":"2026-05-21T13:19:06.155Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-21T13:19:06.155Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}