{"id":"vidhyamitra:city-day:ayodhya:2177-02-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2177-02-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2177-02-07","date_display":"February 7, 2177 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":2177,"month":2,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2516230.770833,"kali_year":5278,"ahargana":1927765.2708,"sun":{"sidereal_longitude":291.9252,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":31.6736,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":99.7484,"elapsed_within_tithi_degrees":3.7484},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2,"moon_longitude":31.6736,"elapsed_within_degrees":5.007},"yoga":{"number":25,"name":"Brahma","sum_longitude":323.5988},"karana":{"half_tithi_index":16,"name":"Bālava"},"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":2177,"month":2,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2516230.770833,"ahargana":1927765.2708,"kali_year":5278,"ayanamsa_lahiri":26.327,"grahas":{"sun":{"sidereal_longitude":292.296738,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"moon":{"sidereal_longitude":29.60713800000002,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false,"latitude":4.1117},"mars":{"sidereal_longitude":359.136338,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":297.36173800000006,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":333.976738,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":288.262238,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":true},"saturn":{"sidereal_longitude":19.533738000000028,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":277.7189,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":97.7189,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","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":2177,"month":2,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2516230.770833,"kali_year":5278,"ahargana":1927765.2708,"sun":{"sidereal_longitude":291.9252,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":31.6736,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":99.7484,"elapsed_within_tithi_degrees":3.7484},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2,"moon_longitude":31.6736,"elapsed_within_degrees":5.007},"yoga":{"number":25,"name":"Brahma","sum_longitude":323.5988},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.112,"elongation":99.748},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.112,"opposition_distance":80.252}},"eclipse_window_40days":[{"offset_days":-8,"type":"solar","occurs":true,"moon_latitude":0.55,"elongation":1.422}]},"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":"06:43","sunsetLocal":"17:48","solarNoonLocal":"12:16","dayLengthHours":11.075236886110098,"dayLengthDisplay":"11 Hours 04 Mins 31 Secs","nightLengthDisplay":"12 Hours 55 Mins 29 Secs","moonriseLocal":"12:01","moonsetLocal":"01:28","rahuKala":{"name":"Rāhu Kāla","start":"10:52","end":"12:16","startHours":10.874956264392349,"endHours":12.259360875156112,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:02","end":"16:25","startHours":15.028170096683636,"endHours":16.412574707447398,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:06","end":"09:29","startHours":8.106147042864826,"endHours":9.490551653628588,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:18","end":"09:41","startHours":9.305964372193419,"endHours":9.675138935063757,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:11","end":"07:29","startHours":7.183210635688984,"endHours":7.4785502859852535,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:38","startHours":11.890186312285776,"endHours":12.628535438026448,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:15","end":"05:59","startHours":5.245044180619717,"endHours":5.98339330636039,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:48","end":"06:43","startHours":5.798806024925222,"endHours":6.721742432101063,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:06","end":"14:51","startHours":14.105233689507795,"endHours":14.843582815248467,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:36","end":"18:00","startHours":17.59697931821116,"endHours":17.99697931821116,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:48","end":"18:16","startHours":17.79697931821116,"endHours":18.25844752179908,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:33","end":"19:18","startHours":17.54697931821116,"endHours":19.29697931821116,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:38","startHours":23.890186312285774,"endHours":24.62853543802645,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:43","end":"08:06","startHours":6.721742432101063,"endHours":8.106147042864826,"quality":"neutral"},{"name":"Labha","start":"08:06","end":"09:29","startHours":8.106147042864826,"endHours":9.490551653628588,"quality":"auspicious"},{"name":"Amṛta","start":"09:29","end":"10:52","startHours":9.490551653628588,"endHours":10.874956264392349,"quality":"auspicious"},{"name":"Kāla","start":"10:52","end":"12:16","startHours":10.874956264392349,"endHours":12.259360875156112,"quality":"inauspicious"},{"name":"Śubha","start":"12:16","end":"13:39","startHours":12.259360875156112,"endHours":13.643765485919875,"quality":"auspicious"},{"name":"Roga","start":"13:39","end":"15:02","startHours":13.643765485919875,"endHours":15.028170096683636,"quality":"inauspicious"},{"name":"Udveg","start":"15:02","end":"16:25","startHours":15.028170096683636,"endHours":16.412574707447398,"quality":"inauspicious"},{"name":"Chala","start":"16:25","end":"17:48","startHours":16.412574707447398,"endHours":17.79697931821116,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:48","end":"19:25","startHours":17.79697931821116,"endHours":19.412574707447398,"quality":"inauspicious"},{"name":"Udveg","start":"19:25","end":"21:02","startHours":19.412574707447398,"endHours":21.02817009668364,"quality":"inauspicious"},{"name":"Chala","start":"21:02","end":"22:39","startHours":21.02817009668364,"endHours":22.643765485919875,"quality":"neutral"},{"name":"Labha","start":"22:39","end":"00:16","startHours":22.643765485919875,"endHours":24.259360875156112,"quality":"auspicious"},{"name":"Amṛta","start":"00:16","end":"01:52","startHours":24.259360875156112,"endHours":25.87495626439235,"quality":"auspicious"},{"name":"Kāla","start":"01:52","end":"03:29","startHours":25.87495626439235,"endHours":27.490551653628586,"quality":"inauspicious"},{"name":"Śubha","start":"03:29","end":"05:06","startHours":27.490551653628586,"endHours":29.106147042864826,"quality":"auspicious"},{"name":"Roga","start":"05:06","end":"06:43","startHours":29.106147042864826,"endHours":30.721742432101063,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:43","end":"07:43","startHours":6.721742432101063,"endHours":7.721742432101063,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:43","end":"08:43","startHours":7.721742432101063,"endHours":8.721742432101063,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:43","end":"09:43","startHours":8.721742432101063,"endHours":9.721742432101063,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:43","end":"10:43","startHours":9.721742432101063,"endHours":10.721742432101063,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:43","end":"11:43","startHours":10.721742432101063,"endHours":11.721742432101063,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:43","end":"12:43","startHours":11.721742432101063,"endHours":12.721742432101063,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:43","end":"13:43","startHours":12.721742432101063,"endHours":13.721742432101063,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:43","end":"14:43","startHours":13.721742432101063,"endHours":14.721742432101063,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:43","end":"15:43","startHours":14.721742432101063,"endHours":15.721742432101063,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:43","end":"16:43","startHours":15.721742432101063,"endHours":16.721742432101063,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:43","end":"17:43","startHours":16.721742432101063,"endHours":17.721742432101063,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:43","end":"18:43","startHours":17.721742432101063,"endHours":18.721742432101063,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:43","end":"19:43","startHours":18.721742432101063,"endHours":19.721742432101063,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:43","end":"20:43","startHours":19.721742432101063,"endHours":20.721742432101063,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:43","end":"21:43","startHours":20.721742432101063,"endHours":21.721742432101063,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:43","end":"22:43","startHours":21.721742432101063,"endHours":22.721742432101063,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:43","end":"23:43","startHours":22.721742432101063,"endHours":23.721742432101063,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:43","end":"00:43","startHours":23.721742432101063,"endHours":24.721742432101063,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:43","end":"01:43","startHours":24.721742432101063,"endHours":25.721742432101063,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:43","end":"02:43","startHours":25.721742432101063,"endHours":26.721742432101063,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:43","end":"03:43","startHours":26.721742432101063,"endHours":27.721742432101063,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:43","end":"04:43","startHours":27.721742432101063,"endHours":28.721742432101063,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:43","end":"05:43","startHours":28.721742432101063,"endHours":29.721742432101063,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:43","end":"06:43","startHours":29.721742432101063,"endHours":30.721742432101063,"planetary_lord":"Mars"}],"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":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"South-East","anandadiYoga":{"name":"Gada","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":-15.242300811228535,"eotMinutes":-14.37765250936663,"ayanamsa":26.327}},"calendars":{"vikram_samvat":2234,"vikram_samvatsara":"Vikṛti","saka_samvat":2099,"saka_samvatsara":"Īśvara","bengali_samvat":1584,"malayalam_era":1353,"nanakshahi_year":708,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Navamī · Vikram 2234 Vikṛti · Śaka 2099 Īśvara"},"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":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Kṛttikā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Kṛttikā","url":"/day/-3137-12-25","relevance":0.5},{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Śukla Navamī","url":"/day/-1626101-04-03","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 February 7, 2177 CE · Ayodhyā · Vidhyamitra","description":"February 7, 2177 CE for Ayodhyā: Śukla Navamī, sūryodaya 06:43, sūryāsta 17:48.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2177-02-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2177-02-07","sa":"https://sa.vidhyamitra.com/city/ayodhya/2177-02-07","hi":"https://hi.vidhyamitra.com/city/ayodhya/2177-02-07","x-default":"https://vidhyamitra.com/city/ayodhya/2177-02-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-21T03:24:30.696Z","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":"2026-05-21T03:24:30.696Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-21T03:24:30.696Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}