{"id":"vidhyamitra:city-day:ayodhya:1990-01-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1990-01-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1990-01-17","date_display":"January 17, 1990 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":1990,"month":1,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2447908.770833,"kali_year":5091,"ahargana":1859443.2708,"sun":{"sidereal_longitude":272.872,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":163.1703,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":250.2983,"elapsed_within_tithi_degrees":10.2983},"nakshatra":{"number":13,"name":"Hasta","pada":1,"moon_longitude":163.1703,"elapsed_within_degrees":3.1703},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":76.0422},"karana":{"half_tithi_index":41,"name":"Vaṇija"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":1990,"month":1,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2447908.770833,"ahargana":1859443.2708,"kali_year":5091,"ayanamsa_lahiri":23.7139,"grahas":{"sun":{"sidereal_longitude":272.943841,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":162.77674100000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false,"latitude":-3.2038},"mars":{"sidereal_longitude":237.43244100000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":256.735541,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":69.638641,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":276.081541,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":true},"saturn":{"sidereal_longitude":263.55094099999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":297.7472,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":117.7472,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4},"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":1990,"month":1,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2447908.770833,"kali_year":5091,"ahargana":1859443.2708,"sun":{"sidereal_longitude":272.872,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":163.1703,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":250.2983,"elapsed_within_tithi_degrees":10.2983},"nakshatra":{"number":13,"name":"Hasta","pada":1,"moon_longitude":163.1703,"elapsed_within_degrees":3.1703},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":76.0422},"karana":{"half_tithi_index":41,"name":"Vaṇija"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.204,"elongation":109.702},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.204,"opposition_distance":70.298}},"eclipse_window_40days":[{"offset_days":10,"type":"solar","occurs":true,"moon_latitude":-0.956,"elongation":1.82}]},"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":"06:51","sunsetLocal":"17:31","solarNoonLocal":"12:11","dayLengthHours":10.65878233667005,"dayLengthDisplay":"10 Hours 39 Mins 32 Secs","nightLengthDisplay":"13 Hours 20 Mins 28 Secs","moonriseLocal":"22:53","moonsetLocal":"10:48","rahuKala":{"name":"Rāhu Kāla","start":"12:11","end":"13:31","startHours":12.186834812435144,"endHours":13.5191826045189,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:11","end":"09:31","startHours":8.189791436183874,"endHours":9.52213922826763,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:51","end":"12:11","startHours":10.854487020351387,"endHours":12.186834812435144,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:21","end":"09:42","startHours":9.344492855989797,"endHours":9.699785600545464,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:18","end":"07:35","startHours":7.3015595747947035,"endHours":7.585793770439238,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:33","startHours":11.831542067879475,"endHours":12.542127556990813,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:26","end":"06:09","startHours":5.4362726658774445,"endHours":6.146858154988782,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:58","end":"06:51","startHours":5.969211782710947,"endHours":6.857443644100118,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:58","end":"14:40","startHours":13.963298535213486,"endHours":14.673884024324822,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:19","end":"17:43","startHours":17.31622598077017,"endHours":17.71622598077017,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:31","end":"17:58","startHours":17.51622598077017,"endHours":17.960341911464756,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:16","end":"19:01","startHours":17.26622598077017,"endHours":19.01622598077017,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:33","startHours":23.831542067879475,"endHours":24.542127556990813,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:51","end":"08:11","startHours":6.857443644100118,"endHours":8.189791436183874,"quality":"auspicious"},{"name":"Amṛta","start":"08:11","end":"09:31","startHours":8.189791436183874,"endHours":9.52213922826763,"quality":"auspicious"},{"name":"Kāla","start":"09:31","end":"10:51","startHours":9.52213922826763,"endHours":10.854487020351387,"quality":"inauspicious"},{"name":"Śubha","start":"10:51","end":"12:11","startHours":10.854487020351387,"endHours":12.186834812435144,"quality":"auspicious"},{"name":"Roga","start":"12:11","end":"13:31","startHours":12.186834812435144,"endHours":13.5191826045189,"quality":"inauspicious"},{"name":"Udveg","start":"13:31","end":"14:51","startHours":13.5191826045189,"endHours":14.851530396602655,"quality":"inauspicious"},{"name":"Chala","start":"14:51","end":"16:11","startHours":14.851530396602655,"endHours":16.183878188686414,"quality":"neutral"},{"name":"Labha","start":"16:11","end":"17:31","startHours":16.183878188686414,"endHours":17.51622598077017,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:31","end":"19:11","startHours":17.51622598077017,"endHours":19.183878188686414,"quality":"inauspicious"},{"name":"Chala","start":"19:11","end":"20:51","startHours":19.183878188686414,"endHours":20.851530396602655,"quality":"neutral"},{"name":"Labha","start":"20:51","end":"22:31","startHours":20.851530396602655,"endHours":22.5191826045189,"quality":"auspicious"},{"name":"Amṛta","start":"22:31","end":"00:11","startHours":22.5191826045189,"endHours":24.186834812435144,"quality":"auspicious"},{"name":"Kāla","start":"00:11","end":"01:51","startHours":24.186834812435144,"endHours":25.85448702035139,"quality":"inauspicious"},{"name":"Śubha","start":"01:51","end":"03:31","startHours":25.85448702035139,"endHours":27.522139228267633,"quality":"auspicious"},{"name":"Roga","start":"03:31","end":"05:11","startHours":27.522139228267633,"endHours":29.189791436183874,"quality":"inauspicious"},{"name":"Udveg","start":"05:11","end":"06:51","startHours":29.189791436183874,"endHours":30.85744364410012,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:51","end":"07:51","startHours":6.857443644100118,"endHours":7.857443644100118,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:51","end":"08:51","startHours":7.857443644100118,"endHours":8.857443644100119,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:51","end":"09:51","startHours":8.857443644100119,"endHours":9.857443644100119,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:51","end":"10:51","startHours":9.857443644100119,"endHours":10.857443644100119,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:51","end":"11:51","startHours":10.857443644100119,"endHours":11.857443644100119,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:51","end":"12:51","startHours":11.857443644100119,"endHours":12.857443644100119,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:51","end":"13:51","startHours":12.857443644100119,"endHours":13.857443644100119,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:51","end":"14:51","startHours":13.857443644100119,"endHours":14.857443644100119,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:51","end":"15:51","startHours":14.857443644100119,"endHours":15.857443644100119,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:51","end":"16:51","startHours":15.857443644100119,"endHours":16.85744364410012,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:51","end":"17:51","startHours":16.85744364410012,"endHours":17.85744364410012,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:51","end":"18:51","startHours":17.85744364410012,"endHours":18.85744364410012,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:51","end":"19:51","startHours":18.85744364410012,"endHours":19.85744364410012,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:51","end":"20:51","startHours":19.85744364410012,"endHours":20.85744364410012,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:51","end":"21:51","startHours":20.85744364410012,"endHours":21.85744364410012,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:51","end":"22:51","startHours":21.85744364410012,"endHours":22.85744364410012,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:51","end":"23:51","startHours":22.85744364410012,"endHours":23.85744364410012,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:51","end":"00:51","startHours":23.85744364410012,"endHours":24.85744364410012,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:51","end":"01:51","startHours":24.85744364410012,"endHours":25.85744364410012,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:51","end":"02:51","startHours":25.85744364410012,"endHours":26.85744364410012,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:51","end":"03:51","startHours":26.85744364410012,"endHours":27.85744364410012,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:51","end":"04:51","startHours":27.85744364410012,"endHours":28.85744364410012,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:51","end":"05:51","startHours":28.85744364410012,"endHours":29.85744364410012,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:51","end":"06:51","startHours":29.85744364410012,"endHours":30.85744364410012,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"North-West","rahuVasa":"South-West","anandadiYoga":{"name":"Rākṣasa","quality":"Inauspicious"},"drikRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-20.821302969675177,"eotMinutes":-10.026088746108654,"ayanamsa":23.7139}},"calendars":{"vikram_samvat":2047,"vikram_samvatsara":"Subhānu","saka_samvat":1912,"saka_samvatsara":"Pramoda","bengali_samvat":1397,"malayalam_era":1166,"nanakshahi_year":521,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Ṣaṣṭhī · Vikram 2047 Subhānu · Śaka 1912 Pramoda"},"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":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 17, 1990 CE · Ayodhyā · Vidhyamitra","description":"January 17, 1990 CE for Ayodhyā: Kṛṣṇa Ṣaṣṭhī, sūryodaya 06:51, sūryāsta 17:31.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1990-01-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1990-01-17","sa":"https://sa.vidhyamitra.com/city/ayodhya/1990-01-17","hi":"https://hi.vidhyamitra.com/city/ayodhya/1990-01-17","x-default":"https://vidhyamitra.com/city/ayodhya/1990-01-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-17T07:16:20.078Z","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":"2026-05-17T07:16:20.078Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-17T07:16:20.078Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}