{"id":"vidhyamitra:city-day:ayodhya:1998-12-22:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1998-12-22","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1998-12-22","date_display":"December 22, 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":12,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451169.770833,"kali_year":5100,"ahargana":1862704.2708,"sun":{"sidereal_longitude":245.8143,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":282.846,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":37.0317,"elapsed_within_tithi_degrees":1.0317},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1,"moon_longitude":282.846,"elapsed_within_degrees":2.846},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":168.6603},"karana":{"half_tithi_index":6,"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":12,"day":22,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2451169.770833,"ahargana":1862704.2708,"kali_year":5100,"ayanamsa_lahiri":23.8386,"grahas":{"sun":{"sidereal_longitude":246.13754700000004,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"moon":{"sidereal_longitude":281.8954470000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false,"latitude":1.6928},"mars":{"sidereal_longitude":169.49444700000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":224.56014700000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":326.751747,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":259.0929470000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":2.9195470000000228,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":124.9638,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":304.9638,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","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":1998,"month":12,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451169.770833,"kali_year":5100,"ahargana":1862704.2708,"sun":{"sidereal_longitude":245.8143,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":282.846,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":37.0317,"elapsed_within_tithi_degrees":1.0317},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1,"moon_longitude":282.846,"elapsed_within_degrees":2.846},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":168.6603},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.693,"elongation":37.032},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.693,"opposition_distance":142.968}},"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":"06:47","sunsetLocal":"17:14","solarNoonLocal":"12:00","dayLengthHours":10.4522822847607,"dayLengthDisplay":"10 Hours 27 Mins 08 Secs","nightLengthDisplay":"13 Hours 32 Mins 52 Secs","moonriseLocal":"09:00","moonsetLocal":"19:46","rahuKala":{"name":"Rāhu Kāla","start":"14:37","end":"15:55","startHours":14.617587119531503,"endHours":15.92412240512659,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:23","end":"10:42","startHours":9.391445977151152,"endHours":10.69798126274624,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:00","end":"13:19","startHours":12.004516548341329,"endHours":13.311051833936414,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:13","end":"09:34","startHours":9.21724127240514,"endHours":9.565650681897164,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:13","end":"07:30","startHours":7.213887167826006,"endHours":7.492614695419625,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:39","end":"12:21","startHours":11.656107138849306,"endHours":12.352925957833351,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:23","end":"06:05","startHours":5.384737767992884,"endHours":6.08155658697693,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:54","end":"06:47","startHours":5.907351882230919,"endHours":6.778375405960977,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:45","end":"14:27","startHours":13.746563595801444,"endHours":14.443382414785491,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:02","end":"17:26","startHours":17.03065769072168,"endHours":17.430657690721677,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:14","end":"17:40","startHours":17.230657690721678,"endHours":17.666169452586708,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:59","end":"18:44","startHours":16.980657690721678,"endHours":18.730657690721678,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:39","end":"00:21","startHours":23.656107138849304,"endHours":24.352925957833353,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:47","end":"08:05","startHours":6.778375405960977,"endHours":8.084910691556065,"quality":"inauspicious"},{"name":"Udveg","start":"08:05","end":"09:23","startHours":8.084910691556065,"endHours":9.391445977151152,"quality":"inauspicious"},{"name":"Chala","start":"09:23","end":"10:42","startHours":9.391445977151152,"endHours":10.69798126274624,"quality":"neutral"},{"name":"Labha","start":"10:42","end":"12:00","startHours":10.69798126274624,"endHours":12.004516548341329,"quality":"auspicious"},{"name":"Amṛta","start":"12:00","end":"13:19","startHours":12.004516548341329,"endHours":13.311051833936414,"quality":"auspicious"},{"name":"Kāla","start":"13:19","end":"14:37","startHours":13.311051833936414,"endHours":14.617587119531503,"quality":"inauspicious"},{"name":"Śubha","start":"14:37","end":"15:55","startHours":14.617587119531503,"endHours":15.92412240512659,"quality":"auspicious"},{"name":"Roga","start":"15:55","end":"17:14","startHours":15.92412240512659,"endHours":17.230657690721678,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:14","end":"18:55","startHours":17.230657690721678,"endHours":18.92412240512659,"quality":"inauspicious"},{"name":"Śubha","start":"18:55","end":"20:37","startHours":18.92412240512659,"endHours":20.617587119531503,"quality":"auspicious"},{"name":"Roga","start":"20:37","end":"22:19","startHours":20.617587119531503,"endHours":22.311051833936414,"quality":"inauspicious"},{"name":"Udveg","start":"22:19","end":"00:00","startHours":22.311051833936414,"endHours":24.00451654834133,"quality":"inauspicious"},{"name":"Chala","start":"00:00","end":"01:42","startHours":24.00451654834133,"endHours":25.69798126274624,"quality":"neutral"},{"name":"Labha","start":"01:42","end":"03:23","startHours":25.69798126274624,"endHours":27.39144597715115,"quality":"auspicious"},{"name":"Amṛta","start":"03:23","end":"05:05","startHours":27.39144597715115,"endHours":29.084910691556065,"quality":"auspicious"},{"name":"Kāla","start":"05:05","end":"06:47","startHours":29.084910691556065,"endHours":30.77837540596098,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:47","end":"07:47","startHours":6.778375405960977,"endHours":7.778375405960977,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:47","end":"08:47","startHours":7.778375405960977,"endHours":8.778375405960977,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:47","end":"09:47","startHours":8.778375405960977,"endHours":9.778375405960977,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:47","end":"10:47","startHours":9.778375405960977,"endHours":10.778375405960977,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:47","end":"11:47","startHours":10.778375405960977,"endHours":11.778375405960977,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:47","end":"12:47","startHours":11.778375405960977,"endHours":12.778375405960977,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:47","end":"13:47","startHours":12.778375405960977,"endHours":13.778375405960977,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:47","end":"14:47","startHours":13.778375405960977,"endHours":14.778375405960977,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:47","end":"15:47","startHours":14.778375405960977,"endHours":15.778375405960977,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:47","end":"16:47","startHours":15.778375405960977,"endHours":16.77837540596098,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:47","end":"17:47","startHours":16.77837540596098,"endHours":17.77837540596098,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:47","end":"18:47","startHours":17.77837540596098,"endHours":18.77837540596098,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:47","end":"19:47","startHours":18.77837540596098,"endHours":19.77837540596098,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:47","end":"20:47","startHours":19.77837540596098,"endHours":20.77837540596098,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:47","end":"21:47","startHours":20.77837540596098,"endHours":21.77837540596098,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:47","end":"22:47","startHours":21.77837540596098,"endHours":22.77837540596098,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:47","end":"23:47","startHours":22.77837540596098,"endHours":23.77837540596098,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:47","end":"00:47","startHours":23.77837540596098,"endHours":24.77837540596098,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:47","end":"01:47","startHours":24.77837540596098,"endHours":25.77837540596098,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:47","end":"02:47","startHours":25.77837540596098,"endHours":26.77837540596098,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:47","end":"03:47","startHours":26.77837540596098,"endHours":27.77837540596098,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:47","end":"04:47","startHours":27.77837540596098,"endHours":28.77837540596098,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:47","end":"05:47","startHours":28.77837540596098,"endHours":29.77837540596098,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:47","end":"06:47","startHours":29.77837540596098,"endHours":30.77837540596098,"planetary_lord":"Saturn"}],"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","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"North","anandadiYoga":{"name":"Kāladaṇḍa","quality":"Inauspicious"},"drikRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-23.436497847626367,"eotMinutes":0.9130070995203906,"ayanamsa":23.8386}},"calendars":{"vikram_samvat":2055,"vikram_samvatsara":"Khara","saka_samvat":1920,"saka_samvatsara":"Bahudhānya","bengali_samvat":1405,"malayalam_era":1174,"nanakshahi_year":529,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Caturthī · Vikram 2055 Khara · Śaka 1920 Bahudhānya"},"festivals":[{"id":"angarika-chaturthi","name":"Aṅgāraka Caturthī (Tuesday Caturthī)","name_sanskrit":"अङ्गारक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa + Maṅgala","significance":"Tuesday-Caturthī (rare); supremely auspicious for Maṅgala-doṣa-nivāraṇa.","vrata":true,"detection":{"any_of":[{"tithi_number":4,"vara_name":"Maṅgalavāra (Tuesday)"},{"tithi_number":19,"vara_name":"Maṅgalavāra (Tuesday)"}]},"precedence":3},{"id":"lohri","name":"Lohri","name_sanskrit":"लोहड़ी","tradition":"Regional","significance":"Punjab harvest festival; eve of Makara Saṅkrānti. (Approximated as 13/14 January annually; correct via Sun in Dhanu/Makara cusp.)","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":4},{"id":"dhanu-sankranti","name":"Dhanu Saṅkrānti","name_sanskrit":"धनु सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Sagittarius; Dhanu-māsa (Khara-māsa).","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":5},{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"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 December 22, 1998 CE · Ayodhyā · Vidhyamitra","description":"December 22, 1998 CE for Ayodhyā: Śukla Caturthī, sūryodaya 06:47, sūryāsta 17:14.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1998-12-22","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1998-12-22","sa":"https://sa.vidhyamitra.com/city/ayodhya/1998-12-22","hi":"https://hi.vidhyamitra.com/city/ayodhya/1998-12-22","x-default":"https://vidhyamitra.com/city/ayodhya/1998-12-22"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-16T23:47:56.571Z","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":"2026-05-16T23:47:56.571Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-16T23:47:56.571Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}