{"id":"vidhyamitra:city-day:ayodhya:2197-01-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2197-01-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2197-01-31","date_display":"January 31, 2197 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":2197,"month":1,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2523528.770833,"kali_year":5298,"ahargana":1935063.2708,"sun":{"sidereal_longitude":284.5943,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":68.7149,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":144.1206,"elapsed_within_tithi_degrees":0.1206},"nakshatra":{"number":6,"name":"Ārdrā","pada":1,"moon_longitude":68.7149,"elapsed_within_degrees":2.0483},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":353.3093},"karana":{"half_tithi_index":24,"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":2197,"month":1,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2523528.770833,"ahargana":1935063.2708,"kali_year":5298,"ayanamsa_lahiri":26.6061,"grahas":{"sun":{"sidereal_longitude":285.061201,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"moon":{"sidereal_longitude":68.873201,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false,"latitude":0.182},"mars":{"sidereal_longitude":257.305701,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":288.28830100000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":232.40980100000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":282.34390099999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":271.73040100000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":251.0357,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":71.0357,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","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":2197,"month":1,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2523528.770833,"kali_year":5298,"ahargana":1935063.2708,"sun":{"sidereal_longitude":284.5943,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":68.7149,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":144.1206,"elapsed_within_tithi_degrees":0.1206},"nakshatra":{"number":6,"name":"Ārdrā","pada":1,"moon_longitude":68.7149,"elapsed_within_degrees":2.0483},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":353.3093},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.182,"elongation":144.121},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.182,"opposition_distance":35.879}},"eclipse_window_40days":[{"offset_days":-13,"type":"solar","occurs":true,"moon_latitude":1.398,"elongation":1.433}]},"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":"06:47","sunsetLocal":"17:42","solarNoonLocal":"12:15","dayLengthHours":10.926058598319365,"dayLengthDisplay":"10 Hours 55 Mins 34 Secs","nightLengthDisplay":"13 Hours 04 Mins 26 Secs","moonriseLocal":"14:57","moonsetLocal":"04:43","rahuKala":{"name":"Rāhu Kāla","start":"14:59","end":"16:21","startHours":14.976741125277208,"endHours":16.34249845006713,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:31","end":"10:53","startHours":9.513711826117525,"endHours":10.879469150907447,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:15","end":"13:37","startHours":12.245226475697368,"endHours":13.610983800487288,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:20","end":"09:42","startHours":9.33161084947887,"endHours":9.695812802756182,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:14","end":"07:32","startHours":7.237449618134325,"endHours":7.528811180756175,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:37","startHours":11.881024522420056,"endHours":12.609428428974681,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:20","end":"06:03","startHours":5.325389363428436,"endHours":6.0537932699830606,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:52","end":"06:47","startHours":5.871692293344404,"endHours":6.782197176537685,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:04","end":"14:48","startHours":14.066236242083928,"endHours":14.794640148638551,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:30","end":"17:54","startHours":17.50825577485705,"endHours":17.90825577485705,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:42","end":"18:10","startHours":17.70825577485705,"endHours":18.163508216453693,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:27","end":"19:12","startHours":17.45825577485705,"endHours":19.20825577485705,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:37","startHours":23.881024522420056,"endHours":24.60942842897468,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:47","end":"08:09","startHours":6.782197176537685,"endHours":8.147954501327606,"quality":"inauspicious"},{"name":"Udveg","start":"08:09","end":"09:31","startHours":8.147954501327606,"endHours":9.513711826117525,"quality":"inauspicious"},{"name":"Chala","start":"09:31","end":"10:53","startHours":9.513711826117525,"endHours":10.879469150907447,"quality":"neutral"},{"name":"Labha","start":"10:53","end":"12:15","startHours":10.879469150907447,"endHours":12.245226475697368,"quality":"auspicious"},{"name":"Amṛta","start":"12:15","end":"13:37","startHours":12.245226475697368,"endHours":13.610983800487288,"quality":"auspicious"},{"name":"Kāla","start":"13:37","end":"14:59","startHours":13.610983800487288,"endHours":14.976741125277208,"quality":"inauspicious"},{"name":"Śubha","start":"14:59","end":"16:21","startHours":14.976741125277208,"endHours":16.34249845006713,"quality":"auspicious"},{"name":"Roga","start":"16:21","end":"17:42","startHours":16.34249845006713,"endHours":17.70825577485705,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:42","end":"19:21","startHours":17.70825577485705,"endHours":19.34249845006713,"quality":"inauspicious"},{"name":"Śubha","start":"19:21","end":"20:59","startHours":19.34249845006713,"endHours":20.976741125277208,"quality":"auspicious"},{"name":"Roga","start":"20:59","end":"22:37","startHours":20.976741125277208,"endHours":22.61098380048729,"quality":"inauspicious"},{"name":"Udveg","start":"22:37","end":"00:15","startHours":22.61098380048729,"endHours":24.24522647569737,"quality":"inauspicious"},{"name":"Chala","start":"00:15","end":"01:53","startHours":24.24522647569737,"endHours":25.879469150907447,"quality":"neutral"},{"name":"Labha","start":"01:53","end":"03:31","startHours":25.879469150907447,"endHours":27.51371182611753,"quality":"auspicious"},{"name":"Amṛta","start":"03:31","end":"05:09","startHours":27.51371182611753,"endHours":29.147954501327607,"quality":"auspicious"},{"name":"Kāla","start":"05:09","end":"06:47","startHours":29.147954501327607,"endHours":30.782197176537686,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:47","end":"07:47","startHours":6.782197176537685,"endHours":7.782197176537685,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:47","end":"08:47","startHours":7.782197176537685,"endHours":8.782197176537686,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:47","end":"09:47","startHours":8.782197176537686,"endHours":9.782197176537686,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:47","end":"10:47","startHours":9.782197176537686,"endHours":10.782197176537686,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:47","end":"11:47","startHours":10.782197176537686,"endHours":11.782197176537686,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:47","end":"12:47","startHours":11.782197176537686,"endHours":12.782197176537686,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:47","end":"13:47","startHours":12.782197176537686,"endHours":13.782197176537686,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:47","end":"14:47","startHours":13.782197176537686,"endHours":14.782197176537686,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:47","end":"15:47","startHours":14.782197176537686,"endHours":15.782197176537686,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:47","end":"16:47","startHours":15.782197176537686,"endHours":16.782197176537686,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:47","end":"17:47","startHours":16.782197176537686,"endHours":17.782197176537686,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:47","end":"18:47","startHours":17.782197176537686,"endHours":18.782197176537686,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:47","end":"19:47","startHours":18.782197176537686,"endHours":19.782197176537686,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:47","end":"20:47","startHours":19.782197176537686,"endHours":20.782197176537686,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:47","end":"21:47","startHours":20.782197176537686,"endHours":21.782197176537686,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:47","end":"22:47","startHours":21.782197176537686,"endHours":22.782197176537686,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:47","end":"23:47","startHours":22.782197176537686,"endHours":23.782197176537686,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:47","end":"00:47","startHours":23.782197176537686,"endHours":24.782197176537686,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:47","end":"01:47","startHours":24.782197176537686,"endHours":25.782197176537686,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:47","end":"02:47","startHours":25.782197176537686,"endHours":26.782197176537686,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:47","end":"03:47","startHours":26.782197176537686,"endHours":27.782197176537686,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:47","end":"04:47","startHours":27.782197176537686,"endHours":28.782197176537686,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:47","end":"05:47","startHours":28.782197176537686,"endHours":29.782197176537686,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:47","end":"06:47","startHours":29.782197176537686,"endHours":30.782197176537686,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"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":"North (Uttara)","chandraVasa":"South","rahuVasa":"North","anandadiYoga":{"name":"Padma","quality":"Auspicious"},"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":-17.284297014844572,"eotMinutes":-13.52958854184206,"ayanamsa":26.6061}},"calendars":{"vikram_samvat":2254,"vikram_samvatsara":"Sādhāraṇa","saka_samvat":2119,"saka_samvatsara":"Hemalambī","bengali_samvat":1604,"malayalam_era":1373,"nanakshahi_year":728,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Trayodaśī · Vikram 2254 Sādhāraṇa · Śaka 2119 Hemalambī"},"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},{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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 31, 2197 CE · Ayodhyā · Vidhyamitra","description":"January 31, 2197 CE for Ayodhyā: Śukla Trayodaśī, sūryodaya 06:47, sūryāsta 17:42.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2197-01-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2197-01-31","sa":"https://sa.vidhyamitra.com/city/ayodhya/2197-01-31","hi":"https://hi.vidhyamitra.com/city/ayodhya/2197-01-31","x-default":"https://vidhyamitra.com/city/ayodhya/2197-01-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-22T12:19:28.199Z","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":"2026-05-22T12:19:28.199Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-22T12:19:28.199Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}