{"id":"vidhyamitra:city-day:ayodhya:2157-02-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2157-02-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2157-02-04","date_display":"February 4, 2157 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":2157,"month":2,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508922.770833,"kali_year":5258,"ahargana":1920457.2708,"sun":{"sidereal_longitude":289.0415,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":216.7206,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":287.6791,"elapsed_within_tithi_degrees":11.6791},"nakshatra":{"number":17,"name":"Anurādhā","pada":2,"moon_longitude":216.7206,"elapsed_within_degrees":3.3873},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":145.7621},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":2157,"month":2,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2508922.770833,"ahargana":1920457.2708,"kali_year":5258,"ayanamsa_lahiri":26.0475,"grahas":{"sun":{"sidereal_longitude":289.38455799999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"moon":{"sidereal_longitude":214.53685799999994,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false,"latitude":-4.4978},"mars":{"sidereal_longitude":188.96485800000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":288.744958,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":99.10305800000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":true},"venus":{"sidereal_longitude":285.10655799999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":155.59745799999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":304.9319,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":124.9319,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","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":2157,"month":2,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508922.770833,"kali_year":5258,"ahargana":1920457.2708,"sun":{"sidereal_longitude":289.0415,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":216.7206,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":287.6791,"elapsed_within_tithi_degrees":11.6791},"nakshatra":{"number":17,"name":"Anurādhā","pada":2,"moon_longitude":216.7206,"elapsed_within_degrees":3.3873},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":145.7621},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.498,"elongation":72.321},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.498,"opposition_distance":107.679}},"eclipse_window_40days":[{"offset_days":6,"type":"solar","occurs":true,"moon_latitude":-0.652,"elongation":1.108},{"offset_days":20,"type":"lunar","occurs":true,"moon_latitude":-0.338,"opposition_distance":1.188}]},"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":"06:45","sunsetLocal":"17:45","solarNoonLocal":"12:15","dayLengthHours":11.0051643861311,"dayLengthDisplay":"11 Hours 00 Mins 19 Secs","nightLengthDisplay":"12 Hours 59 Mins 41 Secs","moonriseLocal":"01:56","moonsetLocal":"12:36","rahuKala":{"name":"Rāhu Kāla","start":"10:53","end":"12:15","startHours":10.878949857866836,"endHours":12.254595406133223,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:00","end":"16:23","startHours":15.005886502665998,"endHours":16.381532050932385,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:08","end":"09:30","startHours":8.127658761334061,"endHours":9.503304309600448,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:19","end":"09:41","startHours":9.31988490316493,"endHours":9.686723716035967,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:13","end":"07:30","startHours":7.21056172915647,"endHours":7.504032779453299,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:37","startHours":11.887756593262187,"endHours":12.621434219004259,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:17","end":"06:01","startHours":5.284657961583527,"endHours":6.0183355873256,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:50","end":"06:45","startHours":5.834916180890082,"endHours":6.7520132130676735,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:05","end":"14:49","startHours":14.088789470488408,"endHours":14.822467096230481,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:33","end":"17:57","startHours":17.557177599198774,"endHours":17.957177599198772,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:45","end":"18:13","startHours":17.757177599198773,"endHours":18.21572611528757,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:30","end":"19:15","startHours":17.507177599198773,"endHours":19.257177599198773,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:37","startHours":23.887756593262186,"endHours":24.62143421900426,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:45","end":"08:08","startHours":6.7520132130676735,"endHours":8.127658761334061,"quality":"neutral"},{"name":"Labha","start":"08:08","end":"09:30","startHours":8.127658761334061,"endHours":9.503304309600448,"quality":"auspicious"},{"name":"Amṛta","start":"09:30","end":"10:53","startHours":9.503304309600448,"endHours":10.878949857866836,"quality":"auspicious"},{"name":"Kāla","start":"10:53","end":"12:15","startHours":10.878949857866836,"endHours":12.254595406133223,"quality":"inauspicious"},{"name":"Śubha","start":"12:15","end":"13:38","startHours":12.254595406133223,"endHours":13.63024095439961,"quality":"auspicious"},{"name":"Roga","start":"13:38","end":"15:00","startHours":13.63024095439961,"endHours":15.005886502665998,"quality":"inauspicious"},{"name":"Udveg","start":"15:00","end":"16:23","startHours":15.005886502665998,"endHours":16.381532050932385,"quality":"inauspicious"},{"name":"Chala","start":"16:23","end":"17:45","startHours":16.381532050932385,"endHours":17.757177599198773,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:45","end":"19:23","startHours":17.757177599198773,"endHours":19.381532050932385,"quality":"inauspicious"},{"name":"Udveg","start":"19:23","end":"21:00","startHours":19.381532050932385,"endHours":21.005886502665998,"quality":"inauspicious"},{"name":"Chala","start":"21:00","end":"22:38","startHours":21.005886502665998,"endHours":22.63024095439961,"quality":"neutral"},{"name":"Labha","start":"22:38","end":"00:15","startHours":22.63024095439961,"endHours":24.254595406133223,"quality":"auspicious"},{"name":"Amṛta","start":"00:15","end":"01:53","startHours":24.254595406133223,"endHours":25.878949857866836,"quality":"auspicious"},{"name":"Kāla","start":"01:53","end":"03:30","startHours":25.878949857866836,"endHours":27.50330430960045,"quality":"inauspicious"},{"name":"Śubha","start":"03:30","end":"05:08","startHours":27.50330430960045,"endHours":29.12765876133406,"quality":"auspicious"},{"name":"Roga","start":"05:08","end":"06:45","startHours":29.12765876133406,"endHours":30.752013213067674,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:45","end":"07:45","startHours":6.7520132130676735,"endHours":7.7520132130676735,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:45","end":"08:45","startHours":7.7520132130676735,"endHours":8.752013213067674,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:45","end":"09:45","startHours":8.752013213067674,"endHours":9.752013213067674,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:45","end":"10:45","startHours":9.752013213067674,"endHours":10.752013213067674,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:45","end":"11:45","startHours":10.752013213067674,"endHours":11.752013213067674,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:45","end":"12:45","startHours":11.752013213067674,"endHours":12.752013213067674,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:45","end":"13:45","startHours":12.752013213067674,"endHours":13.752013213067674,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:45","end":"14:45","startHours":13.752013213067674,"endHours":14.752013213067674,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:45","end":"15:45","startHours":14.752013213067674,"endHours":15.752013213067674,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:45","end":"16:45","startHours":15.752013213067674,"endHours":16.752013213067674,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:45","end":"17:45","startHours":16.752013213067674,"endHours":17.752013213067674,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:45","end":"18:45","startHours":17.752013213067674,"endHours":18.752013213067674,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:45","end":"19:45","startHours":18.752013213067674,"endHours":19.752013213067674,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:45","end":"20:45","startHours":19.752013213067674,"endHours":20.752013213067674,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:45","end":"21:45","startHours":20.752013213067674,"endHours":21.752013213067674,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:45","end":"22:45","startHours":21.752013213067674,"endHours":22.752013213067674,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:45","end":"23:45","startHours":22.752013213067674,"endHours":23.752013213067674,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:45","end":"00:45","startHours":23.752013213067674,"endHours":24.752013213067674,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:45","end":"01:45","startHours":24.752013213067674,"endHours":25.752013213067674,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:45","end":"02:45","startHours":25.752013213067674,"endHours":26.752013213067674,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:45","end":"03:45","startHours":26.752013213067674,"endHours":27.752013213067674,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:45","end":"04:45","startHours":27.752013213067674,"endHours":28.752013213067674,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:45","end":"05:45","startHours":28.752013213067674,"endHours":29.752013213067674,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:45","end":"06:45","startHours":29.752013213067674,"endHours":30.752013213067674,"planetary_lord":"Mars"}],"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":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"North-East","rahuVasa":"South-East","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-16.207127635183667,"eotMinutes":-14.091724367993354,"ayanamsa":26.0475}},"calendars":{"vikram_samvat":2214,"vikram_samvatsara":"Pramoda","saka_samvat":2079,"saka_samvatsara":"Piṅgala","bengali_samvat":1564,"malayalam_era":1333,"nanakshahi_year":688,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Navamī · Vikram 2214 Pramoda · Śaka 2079 Piṅgala"},"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":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 February 4, 2157 CE · Ayodhyā · Vidhyamitra","description":"February 4, 2157 CE for Ayodhyā: Kṛṣṇa Navamī, sūryodaya 06:45, sūryāsta 17:45.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2157-02-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2157-02-04","sa":"https://sa.vidhyamitra.com/city/ayodhya/2157-02-04","hi":"https://hi.vidhyamitra.com/city/ayodhya/2157-02-04","x-default":"https://vidhyamitra.com/city/ayodhya/2157-02-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-19T12:03:11.795Z","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":"2026-05-19T12:03:11.795Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-19T12:03:11.795Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}