{"id":"vidhyamitra:city-day:ayodhya:1998-02-10:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1998-02-10","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1998-02-10","date_display":"February 10, 1998 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":1998,"month":2,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450854.770833,"kali_year":5099,"ahargana":1862389.2708,"sun":{"sidereal_longitude":297.3435,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":102.1037,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":164.7602,"elapsed_within_tithi_degrees":8.7602},"nakshatra":{"number":8,"name":"Puṣya","pada":3,"moon_longitude":102.1037,"elapsed_within_degrees":8.7704},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":39.4472},"karana":{"half_tithi_index":27,"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":1998,"month":2,"day":10,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2450854.770833,"ahargana":1862389.2708,"kali_year":5099,"ayanamsa_lahiri":23.8266,"grahas":{"sun":{"sidereal_longitude":297.266482,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":101.432682,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false,"latitude":-2.8636},"mars":{"sidereal_longitude":318.5212819999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":288.22598199999993,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":307.490282,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":264.86228200000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":352.353882,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":141.654,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":321.654,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","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":1998,"month":2,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450854.770833,"kali_year":5099,"ahargana":1862389.2708,"sun":{"sidereal_longitude":297.3435,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":102.1037,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":164.7602,"elapsed_within_tithi_degrees":8.7602},"nakshatra":{"number":8,"name":"Puṣya","pada":3,"moon_longitude":102.1037,"elapsed_within_degrees":8.7704},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":39.4472},"karana":{"half_tithi_index":27,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.864,"elongation":164.76},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.864,"opposition_distance":15.24}},"eclipse_window_40days":[{"offset_days":17,"type":"solar","occurs":true,"moon_latitude":0.255,"elongation":2.931}]},"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":"17:50","solarNoonLocal":"12:16","dayLengthHours":11.131149364202503,"dayLengthDisplay":"11 Hours 07 Mins 52 Secs","nightLengthDisplay":"12 Hours 52 Mins 08 Secs","moonriseLocal":"16:30","moonsetLocal":"05:55","rahuKala":{"name":"Rāhu Kāla","start":"15:03","end":"16:26","startHours":15.044965432576031,"endHours":16.436359103101346,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:29","end":"10:52","startHours":9.479390750474778,"endHours":10.870784421000092,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:16","end":"13:39","startHours":12.262178091525405,"endHours":13.653571762050717,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:18","end":"09:40","startHours":9.293871594404736,"endHours":9.664909906544821,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:10","end":"07:27","startHours":7.160401299599258,"endHours":7.457231949311325,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:38","startHours":11.891139779385322,"endHours":12.633216403665488,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:13","end":"05:57","startHours":5.212450160863819,"endHours":5.954526785143986,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:46","end":"06:42","startHours":5.769007629073944,"endHours":6.696603409424153,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:07","end":"14:52","startHours":14.117369652225822,"endHours":14.859446276505988,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:38","end":"18:02","startHours":17.627752773626657,"endHours":18.027752773626656,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:50","end":"18:17","startHours":17.827752773626656,"endHours":18.29155066380176,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:35","end":"19:20","startHours":17.577752773626656,"endHours":19.327752773626656,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:38","startHours":23.891139779385323,"endHours":24.63321640366549,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:42","end":"08:05","startHours":6.696603409424153,"endHours":8.087997079949465,"quality":"inauspicious"},{"name":"Udveg","start":"08:05","end":"09:29","startHours":8.087997079949465,"endHours":9.479390750474778,"quality":"inauspicious"},{"name":"Chala","start":"09:29","end":"10:52","startHours":9.479390750474778,"endHours":10.870784421000092,"quality":"neutral"},{"name":"Labha","start":"10:52","end":"12:16","startHours":10.870784421000092,"endHours":12.262178091525405,"quality":"auspicious"},{"name":"Amṛta","start":"12:16","end":"13:39","startHours":12.262178091525405,"endHours":13.653571762050717,"quality":"auspicious"},{"name":"Kāla","start":"13:39","end":"15:03","startHours":13.653571762050717,"endHours":15.044965432576031,"quality":"inauspicious"},{"name":"Śubha","start":"15:03","end":"16:26","startHours":15.044965432576031,"endHours":16.436359103101346,"quality":"auspicious"},{"name":"Roga","start":"16:26","end":"17:50","startHours":16.436359103101346,"endHours":17.827752773626656,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:50","end":"19:26","startHours":17.827752773626656,"endHours":19.436359103101342,"quality":"inauspicious"},{"name":"Śubha","start":"19:26","end":"21:03","startHours":19.436359103101342,"endHours":21.04496543257603,"quality":"auspicious"},{"name":"Roga","start":"21:03","end":"22:39","startHours":21.04496543257603,"endHours":22.653571762050717,"quality":"inauspicious"},{"name":"Udveg","start":"22:39","end":"00:16","startHours":22.653571762050717,"endHours":24.262178091525406,"quality":"inauspicious"},{"name":"Chala","start":"00:16","end":"01:52","startHours":24.262178091525406,"endHours":25.870784421000092,"quality":"neutral"},{"name":"Labha","start":"01:52","end":"03:29","startHours":25.870784421000092,"endHours":27.479390750474778,"quality":"auspicious"},{"name":"Amṛta","start":"03:29","end":"05:05","startHours":27.479390750474778,"endHours":29.087997079949467,"quality":"auspicious"},{"name":"Kāla","start":"05:05","end":"06:42","startHours":29.087997079949467,"endHours":30.696603409424153,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:42","end":"07:42","startHours":6.696603409424153,"endHours":7.696603409424153,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:42","end":"08:42","startHours":7.696603409424153,"endHours":8.696603409424153,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:42","end":"09:42","startHours":8.696603409424153,"endHours":9.696603409424153,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:42","end":"10:42","startHours":9.696603409424153,"endHours":10.696603409424153,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:42","end":"11:42","startHours":10.696603409424153,"endHours":11.696603409424153,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:42","end":"12:42","startHours":11.696603409424153,"endHours":12.696603409424153,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:42","end":"13:42","startHours":12.696603409424153,"endHours":13.696603409424153,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:42","end":"14:42","startHours":13.696603409424153,"endHours":14.696603409424153,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:42","end":"15:42","startHours":14.696603409424153,"endHours":15.696603409424153,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:42","end":"16:42","startHours":15.696603409424153,"endHours":16.696603409424153,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:42","end":"17:42","startHours":16.696603409424153,"endHours":17.696603409424153,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:42","end":"18:42","startHours":17.696603409424153,"endHours":18.696603409424153,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:42","end":"19:42","startHours":18.696603409424153,"endHours":19.696603409424153,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:42","end":"20:42","startHours":19.696603409424153,"endHours":20.696603409424153,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:42","end":"21:42","startHours":20.696603409424153,"endHours":21.696603409424153,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:42","end":"22:42","startHours":21.696603409424153,"endHours":22.696603409424153,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:42","end":"23:42","startHours":22.696603409424153,"endHours":23.696603409424153,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:42","end":"00:42","startHours":23.696603409424153,"endHours":24.696603409424153,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:42","end":"01:42","startHours":24.696603409424153,"endHours":25.696603409424153,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:42","end":"02:42","startHours":25.696603409424153,"endHours":26.696603409424153,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:42","end":"03:42","startHours":26.696603409424153,"endHours":27.696603409424153,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:42","end":"04:42","startHours":27.696603409424153,"endHours":28.696603409424153,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:42","end":"05:42","startHours":28.696603409424153,"endHours":29.696603409424153,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:42","end":"06:42","startHours":29.696603409424153,"endHours":30.696603409424153,"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":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"North","anandadiYoga":{"name":"Utpāta","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":-14.465598492391203,"eotMinutes":-14.546685491524224,"ayanamsa":23.8266}},"calendars":{"vikram_samvat":2055,"vikram_samvatsara":"Khara","saka_samvat":1920,"saka_samvatsara":"Bahudhānya","bengali_samvat":1405,"malayalam_era":1174,"nanakshahi_year":529,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Caturdaśī · Vikram 2055 Khara · Śaka 1920 Bahudhānya"},"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":"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 10, 1998 CE · Ayodhyā · Vidhyamitra","description":"February 10, 1998 CE for Ayodhyā: Śukla Caturdaśī, sūryodaya 06:42, sūryāsta 17:50.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1998-02-10","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1998-02-10","sa":"https://sa.vidhyamitra.com/city/ayodhya/1998-02-10","hi":"https://hi.vidhyamitra.com/city/ayodhya/1998-02-10","x-default":"https://vidhyamitra.com/city/ayodhya/1998-02-10"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-16T15:56:57.531Z","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":"2026-05-16T15:56:57.531Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-16T15:56:57.531Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}