{"id":"vidhyamitra:city-day:ayodhya:2173-02-09:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2173-02-09","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2173-02-09","date_display":"February 9, 2173 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":2173,"month":2,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514771.770833,"kali_year":5274,"ahargana":1926306.2708,"sun":{"sidereal_longitude":294.0004,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":248.6376,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":314.6372,"elapsed_within_tithi_degrees":2.6372},"nakshatra":{"number":19,"name":"Mūla","pada":3,"moon_longitude":248.6376,"elapsed_within_degrees":8.6376},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":182.638},"karana":{"half_tithi_index":52,"name":"Kaulava"},"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":2173,"month":2,"day":9,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2514771.770833,"ahargana":1926306.2708,"kali_year":5274,"ayanamsa_lahiri":26.2712,"grahas":{"sun":{"sidereal_longitude":294.349383,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":246.446683,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false,"latitude":-4.3169},"mars":{"sidereal_longitude":325.3879830000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":271.471183,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":227.100283,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":292.27448300000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":330.847883,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":355.0237,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":175.0237,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","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":2173,"month":2,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514771.770833,"kali_year":5274,"ahargana":1926306.2708,"sun":{"sidereal_longitude":294.0004,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":248.6376,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":314.6372,"elapsed_within_tithi_degrees":2.6372},"nakshatra":{"number":19,"name":"Mūla","pada":3,"moon_longitude":248.6376,"elapsed_within_degrees":8.6376},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":182.638},"karana":{"half_tithi_index":52,"name":"Kaulava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.317,"elongation":45.363},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.317,"opposition_distance":134.637}},"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":"06:42","sunsetLocal":"17:49","solarNoonLocal":"12:16","dayLengthHours":11.120343062478469,"dayLengthDisplay":"11 Hours 07 Mins 13 Secs","nightLengthDisplay":"12 Hours 52 Mins 47 Secs","moonriseLocal":"03:52","moonsetLocal":"14:16","rahuKala":{"name":"Rāhu Kāla","start":"15:02","end":"16:26","startHours":15.041540927662815,"endHours":16.431583810472624,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:29","end":"10:52","startHours":9.481369396423581,"endHours":10.87141227923339,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:16","end":"13:39","startHours":12.261455162043198,"endHours":13.651498044853007,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:18","end":"09:40","startHours":9.296030345382272,"endHours":9.666708447464888,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:10","end":"07:28","startHours":7.1646312584072325,"endHours":7.461173740073325,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:38","startHours":11.890777059960582,"endHours":12.632133264125814,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:13","end":"05:58","startHours":5.2185712224735,"endHours":5.959927426638732,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:46","end":"06:42","startHours":5.774588375597424,"endHours":6.701283630803963,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:07","end":"14:51","startHours":14.114845672456276,"endHours":14.856201876621508,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:37","end":"18:01","startHours":17.621626693282433,"endHours":18.021626693282432,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:49","end":"18:17","startHours":17.821626693282433,"endHours":18.284974320885702,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:34","end":"19:19","startHours":17.571626693282433,"endHours":19.321626693282433,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:38","startHours":23.890777059960584,"endHours":24.632133264125812,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:42","end":"08:05","startHours":6.701283630803963,"endHours":8.091326513613772,"quality":"inauspicious"},{"name":"Udveg","start":"08:05","end":"09:29","startHours":8.091326513613772,"endHours":9.481369396423581,"quality":"inauspicious"},{"name":"Chala","start":"09:29","end":"10:52","startHours":9.481369396423581,"endHours":10.87141227923339,"quality":"neutral"},{"name":"Labha","start":"10:52","end":"12:16","startHours":10.87141227923339,"endHours":12.261455162043198,"quality":"auspicious"},{"name":"Amṛta","start":"12:16","end":"13:39","startHours":12.261455162043198,"endHours":13.651498044853007,"quality":"auspicious"},{"name":"Kāla","start":"13:39","end":"15:02","startHours":13.651498044853007,"endHours":15.041540927662815,"quality":"inauspicious"},{"name":"Śubha","start":"15:02","end":"16:26","startHours":15.041540927662815,"endHours":16.431583810472624,"quality":"auspicious"},{"name":"Roga","start":"16:26","end":"17:49","startHours":16.431583810472624,"endHours":17.821626693282433,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:49","end":"19:26","startHours":17.821626693282433,"endHours":19.431583810472624,"quality":"inauspicious"},{"name":"Śubha","start":"19:26","end":"21:02","startHours":19.431583810472624,"endHours":21.041540927662815,"quality":"auspicious"},{"name":"Roga","start":"21:02","end":"22:39","startHours":21.041540927662815,"endHours":22.651498044853007,"quality":"inauspicious"},{"name":"Udveg","start":"22:39","end":"00:16","startHours":22.651498044853007,"endHours":24.261455162043198,"quality":"inauspicious"},{"name":"Chala","start":"00:16","end":"01:52","startHours":24.261455162043198,"endHours":25.87141227923339,"quality":"neutral"},{"name":"Labha","start":"01:52","end":"03:29","startHours":25.87141227923339,"endHours":27.48136939642358,"quality":"auspicious"},{"name":"Amṛta","start":"03:29","end":"05:05","startHours":27.48136939642358,"endHours":29.091326513613772,"quality":"auspicious"},{"name":"Kāla","start":"05:05","end":"06:42","startHours":29.091326513613772,"endHours":30.701283630803964,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:42","end":"07:42","startHours":6.701283630803963,"endHours":7.701283630803963,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:42","end":"08:42","startHours":7.701283630803963,"endHours":8.701283630803964,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:42","end":"09:42","startHours":8.701283630803964,"endHours":9.701283630803964,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:42","end":"10:42","startHours":9.701283630803964,"endHours":10.701283630803964,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:42","end":"11:42","startHours":10.701283630803964,"endHours":11.701283630803964,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:42","end":"12:42","startHours":11.701283630803964,"endHours":12.701283630803964,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:42","end":"13:42","startHours":12.701283630803964,"endHours":13.701283630803964,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:42","end":"14:42","startHours":13.701283630803964,"endHours":14.701283630803964,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:42","end":"15:42","startHours":14.701283630803964,"endHours":15.701283630803964,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:42","end":"16:42","startHours":15.701283630803964,"endHours":16.701283630803964,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:42","end":"17:42","startHours":16.701283630803964,"endHours":17.701283630803964,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:42","end":"18:42","startHours":17.701283630803964,"endHours":18.701283630803964,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:42","end":"19:42","startHours":18.701283630803964,"endHours":19.701283630803964,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:42","end":"20:42","startHours":19.701283630803964,"endHours":20.701283630803964,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:42","end":"21:42","startHours":20.701283630803964,"endHours":21.701283630803964,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:42","end":"22:42","startHours":21.701283630803964,"endHours":22.701283630803964,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:42","end":"23:42","startHours":22.701283630803964,"endHours":23.701283630803964,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:42","end":"00:42","startHours":23.701283630803964,"endHours":24.701283630803964,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:42","end":"01:42","startHours":24.701283630803964,"endHours":25.701283630803964,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:42","end":"02:42","startHours":25.701283630803964,"endHours":26.701283630803964,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:42","end":"03:42","startHours":26.701283630803964,"endHours":27.701283630803964,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:42","end":"04:42","startHours":27.701283630803964,"endHours":28.701283630803964,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:42","end":"05:42","startHours":28.701283630803964,"endHours":29.701283630803964,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:42","end":"06:42","startHours":29.701283630803964,"endHours":30.701283630803964,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","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":"North (Uttara)","chandraVasa":"East","rahuVasa":"North","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-14.616172869884025,"eotMinutes":-14.503309722591807,"ayanamsa":26.2712}},"calendars":{"vikram_samvat":2230,"vikram_samvatsara":"Vyaya","saka_samvat":2095,"saka_samvatsara":"Śrīmukha","bengali_samvat":1580,"malayalam_era":1349,"nanakshahi_year":704,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Dvādaśī · Vikram 2230 Vyaya · Śaka 2095 Śrīmukha"},"festivals":[],"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 February 9, 2173 CE · Ayodhyā · Vidhyamitra","description":"February 9, 2173 CE for Ayodhyā: Kṛṣṇa Dvādaśī, sūryodaya 06:42, sūryāsta 17:49.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2173-02-09","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2173-02-09","sa":"https://sa.vidhyamitra.com/city/ayodhya/2173-02-09","hi":"https://hi.vidhyamitra.com/city/ayodhya/2173-02-09","x-default":"https://vidhyamitra.com/city/ayodhya/2173-02-09"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T16:27:00.171Z","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":"2026-05-31T16:27:00.171Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T16:27:00.171Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}