{"id":"vidhyamitra:city-day:mathura:1998-12-29:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/mathura/1998-12-29","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1998-12-29","date_display":"December 29, 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":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451176.770833,"kali_year":5100,"ahargana":1862711.2708,"sun":{"sidereal_longitude":253.0083,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":19.7957,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":126.7874,"elapsed_within_tithi_degrees":6.7874},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2,"moon_longitude":19.7957,"elapsed_within_degrees":6.4624},"yoga":{"number":21,"name":"Siddha","sum_longitude":272.804},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"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":29,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2451176.770833,"ahargana":1862711.2708,"kali_year":5100,"ayanamsa_lahiri":23.8389,"grahas":{"sun":{"sidereal_longitude":253.26907900000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"moon":{"sidereal_longitude":17.527378999999996,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false,"latitude":-4.3505},"mars":{"sidereal_longitude":173.069979,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":233.29767900000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":327.6642790000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":267.876979,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":2.8684789999999794,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":124.5929,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":304.5929,"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":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451176.770833,"kali_year":5100,"ahargana":1862711.2708,"sun":{"sidereal_longitude":253.0083,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":19.7957,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":126.7874,"elapsed_within_tithi_degrees":6.7874},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2,"moon_longitude":19.7957,"elapsed_within_degrees":6.4624},"yoga":{"number":21,"name":"Siddha","sum_longitude":272.804},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.35,"elongation":126.787},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.35,"opposition_distance":53.213}},"eclipse_window_40days":[]},"city":{"slug":"mathura","name":"Mathurā","lat":27.4924,"lon":77.6737,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"mathura","name":"Mathurā","lat":27.4924,"lon":77.6737,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"07:09","sunsetLocal":"17:34","solarNoonLocal":"12:22","dayLengthHours":10.417282461456224,"dayLengthDisplay":"10 Hours 25 Mins 02 Secs","nightLengthDisplay":"13 Hours 34 Mins 58 Secs","moonriseLocal":"14:03","moonsetLocal":"03:14","rahuKala":{"name":"Rāhu Kāla","start":"14:58","end":"16:16","startHours":14.965186889440215,"endHours":16.26734719712224,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:45","end":"11:04","startHours":9.756545658712103,"endHours":11.058705966394129,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:22","end":"13:40","startHours":12.360866274076159,"endHours":13.663026581758185,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:35","end":"09:56","startHours":9.582924284354498,"endHours":9.930167033069706,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:35","end":"07:52","startHours":7.586278479242055,"endHours":7.864072678214221,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:01","end":"12:42","startHours":12.013623525360952,"endHours":12.708109022791366,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:46","end":"06:27","startHours":5.763254048487216,"endHours":6.45773954591763,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:17","end":"07:09","startHours":6.284118171560027,"endHours":7.152225043348046,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:06","end":"14:47","startHours":14.097080017652196,"endHours":14.791565515082612,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:22","end":"17:46","startHours":17.36950750480427,"endHours":17.76950750480427,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:34","end":"18:00","startHours":17.56950750480427,"endHours":18.00356094069828,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:19","end":"19:04","startHours":17.31950750480427,"endHours":19.06950750480427,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:01","end":"00:42","startHours":24.013623525360952,"endHours":24.708109022791366,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"07:09","end":"08:27","startHours":7.152225043348046,"endHours":8.454385351030073,"quality":"inauspicious"},{"name":"Udveg","start":"08:27","end":"09:45","startHours":8.454385351030073,"endHours":9.756545658712103,"quality":"inauspicious"},{"name":"Chala","start":"09:45","end":"11:04","startHours":9.756545658712103,"endHours":11.058705966394129,"quality":"neutral"},{"name":"Labha","start":"11:04","end":"12:22","startHours":11.058705966394129,"endHours":12.360866274076159,"quality":"auspicious"},{"name":"Amṛta","start":"12:22","end":"13:40","startHours":12.360866274076159,"endHours":13.663026581758185,"quality":"auspicious"},{"name":"Kāla","start":"13:40","end":"14:58","startHours":13.663026581758185,"endHours":14.965186889440215,"quality":"inauspicious"},{"name":"Śubha","start":"14:58","end":"16:16","startHours":14.965186889440215,"endHours":16.26734719712224,"quality":"auspicious"},{"name":"Roga","start":"16:16","end":"17:34","startHours":16.26734719712224,"endHours":17.56950750480427,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:34","end":"19:16","startHours":17.56950750480427,"endHours":19.26734719712224,"quality":"inauspicious"},{"name":"Śubha","start":"19:16","end":"20:58","startHours":19.26734719712224,"endHours":20.965186889440215,"quality":"auspicious"},{"name":"Roga","start":"20:58","end":"22:40","startHours":20.965186889440215,"endHours":22.66302658175819,"quality":"inauspicious"},{"name":"Udveg","start":"22:40","end":"00:22","startHours":22.66302658175819,"endHours":24.36086627407616,"quality":"inauspicious"},{"name":"Chala","start":"00:22","end":"02:04","startHours":24.36086627407616,"endHours":26.05870596639413,"quality":"neutral"},{"name":"Labha","start":"02:04","end":"03:45","startHours":26.05870596639413,"endHours":27.756545658712103,"quality":"auspicious"},{"name":"Amṛta","start":"03:45","end":"05:27","startHours":27.756545658712103,"endHours":29.454385351030076,"quality":"auspicious"},{"name":"Kāla","start":"05:27","end":"07:09","startHours":29.454385351030076,"endHours":31.152225043348047,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:09","end":"08:09","startHours":7.152225043348046,"endHours":8.152225043348047,"planetary_lord":"Mars"},{"name":"Hora 2","start":"08:09","end":"09:09","startHours":8.152225043348047,"endHours":9.152225043348047,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"09:09","end":"10:09","startHours":9.152225043348047,"endHours":10.152225043348047,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"10:09","end":"11:09","startHours":10.152225043348047,"endHours":11.152225043348047,"planetary_lord":"Moon"},{"name":"Hora 5","start":"11:09","end":"12:09","startHours":11.152225043348047,"endHours":12.152225043348047,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"12:09","end":"13:09","startHours":12.152225043348047,"endHours":13.152225043348047,"planetary_lord":"Venus"},{"name":"Hora 7","start":"13:09","end":"14:09","startHours":13.152225043348047,"endHours":14.152225043348047,"planetary_lord":"Sun"},{"name":"Hora 8","start":"14:09","end":"15:09","startHours":14.152225043348047,"endHours":15.152225043348047,"planetary_lord":"Mars"},{"name":"Hora 9","start":"15:09","end":"16:09","startHours":15.152225043348047,"endHours":16.152225043348047,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"16:09","end":"17:09","startHours":16.152225043348047,"endHours":17.152225043348047,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"17:09","end":"18:09","startHours":17.152225043348047,"endHours":18.152225043348047,"planetary_lord":"Moon"},{"name":"Hora 12","start":"18:09","end":"19:09","startHours":18.152225043348047,"endHours":19.152225043348047,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"19:09","end":"20:09","startHours":19.152225043348047,"endHours":20.152225043348047,"planetary_lord":"Venus"},{"name":"Hora 14","start":"20:09","end":"21:09","startHours":20.152225043348047,"endHours":21.152225043348047,"planetary_lord":"Sun"},{"name":"Hora 15","start":"21:09","end":"22:09","startHours":21.152225043348047,"endHours":22.152225043348047,"planetary_lord":"Mars"},{"name":"Hora 16","start":"22:09","end":"23:09","startHours":22.152225043348047,"endHours":23.152225043348047,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"23:09","end":"00:09","startHours":23.152225043348047,"endHours":24.152225043348047,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"00:09","end":"01:09","startHours":24.152225043348047,"endHours":25.152225043348047,"planetary_lord":"Moon"},{"name":"Hora 19","start":"01:09","end":"02:09","startHours":25.152225043348047,"endHours":26.152225043348047,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"02:09","end":"03:09","startHours":26.152225043348047,"endHours":27.152225043348047,"planetary_lord":"Venus"},{"name":"Hora 21","start":"03:09","end":"04:09","startHours":27.152225043348047,"endHours":28.152225043348047,"planetary_lord":"Sun"},{"name":"Hora 22","start":"04:09","end":"05:09","startHours":28.152225043348047,"endHours":29.152225043348047,"planetary_lord":"Mars"},{"name":"Hora 23","start":"05:09","end":"06:09","startHours":29.152225043348047,"endHours":30.152225043348047,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"06:09","end":"07:09","startHours":30.152225043348047,"endHours":31.152225043348047,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","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":"North (Uttara)","chandraVasa":"East","rahuVasa":"North","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-23.245754457138162,"eotMinutes":-2.3467764445695645,"ayanamsa":23.8389}},"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 Ekādaśī · Vikram 2055 Khara · Śaka 1920 Bahudhānya"},"festivals":[{"id":"putrada-ekadashi","name":"Pauṣa Putradā Ekādaśī","name_sanskrit":"पौष पुत्रदा एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Ekādaśī granting putra-prāpti.","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Pauṣa"},"precedence":4},{"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":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5},{"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}],"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":"mathura"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga December 29, 1998 CE · Mathurā · Vidhyamitra","description":"December 29, 1998 CE for Mathurā: Śukla Ekādaśī, sūryodaya 07:09, sūryāsta 17:34.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/mathura/1998-12-29","hreflang_alternates":{"en":"https://vidhyamitra.com/city/mathura/1998-12-29","sa":"https://sa.vidhyamitra.com/city/mathura/1998-12-29","hi":"https://hi.vidhyamitra.com/city/mathura/1998-12-29","x-default":"https://vidhyamitra.com/city/mathura/1998-12-29"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T13:34:29.844Z","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":"2026-05-14T13:34:29.844Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T13:34:29.844Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}