{"id":"vidhyamitra:city-day:ujjain:1998-12-09:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ujjain/1998-12-09","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1998-12-09","date_display":"December 9, 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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1998,"month":12,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451156.770833,"kali_year":5100,"ahargana":1862691.2708,"sun":{"sidereal_longitude":232.4775,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":121.1083,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":248.6308,"elapsed_within_tithi_degrees":8.6308},"nakshatra":{"number":10,"name":"Maghā","pada":1,"moon_longitude":121.1083,"elapsed_within_degrees":1.1083},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":353.5859},"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":1998,"month":12,"day":9,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2451156.770833,"ahargana":1862691.2708,"kali_year":5100,"ayanamsa_lahiri":23.8382,"grahas":{"sun":{"sidereal_longitude":232.91294400000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":123.350144,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false,"latitude":-0.3562},"mars":{"sidereal_longitude":162.58534399999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":217.85954400000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":325.411244,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":242.769044,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":3.2490440000000262,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":125.6526,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":305.6526,"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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1998,"month":12,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451156.770833,"kali_year":5100,"ahargana":1862691.2708,"sun":{"sidereal_longitude":232.4775,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":121.1083,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":248.6308,"elapsed_within_tithi_degrees":8.6308},"nakshatra":{"number":10,"name":"Maghā","pada":1,"moon_longitude":121.1083,"elapsed_within_degrees":1.1083},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":353.5859},"karana":{"half_tithi_index":41,"name":"Vaṇija"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.356,"elongation":111.369},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.356,"opposition_distance":68.631}},"eclipse_window_40days":[]},"city":{"slug":"ujjain","name":"Ujjain","lat":23.1765,"lon":75.7885,"tz_offset_hours":5.5,"state":"Madhya Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"ujjain","name":"Ujjain","lat":23.1765,"lon":75.7885,"tz_offset_hours":5.5,"state":"Madhya Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"06:57","sunsetLocal":"17:43","solarNoonLocal":"12:20","dayLengthHours":10.75221476958523,"dayLengthDisplay":"10 Hours 45 Mins 08 Secs","nightLengthDisplay":"13 Hours 14 Mins 52 Secs","moonriseLocal":"22:37","moonsetLocal":"11:26","rahuKala":{"name":"Rāhu Kāla","start":"12:20","end":"13:41","startHours":12.332985625863312,"endHours":13.677012472061467,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:18","end":"09:39","startHours":8.300905087268852,"endHours":9.644931933467005,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:59","end":"12:20","startHours":10.988958779665158,"endHours":12.332985625863312,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:28","end":"09:49","startHours":9.465728353973917,"endHours":9.824135512960092,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:24","end":"07:41","startHours":7.404887189803415,"endHours":7.691612916992355,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:58","end":"12:41","startHours":11.974578466877137,"endHours":12.691392784849487,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:31","end":"06:14","startHours":5.523249605126,"endHours":6.240063923098349,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:04","end":"06:57","startHours":6.0608603436052615,"endHours":6.956878241070697,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:08","end":"14:51","startHours":14.125021420794184,"endHours":14.841835738766532,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:31","end":"17:55","startHours":17.509093010655928,"endHours":17.909093010655926,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:43","end":"18:09","startHours":17.709093010655927,"endHours":18.157101959388644,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:28","end":"19:13","startHours":17.459093010655927,"endHours":19.209093010655927,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:58","end":"00:41","startHours":23.974578466877137,"endHours":24.691392784849487,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:57","end":"08:18","startHours":6.956878241070697,"endHours":8.300905087268852,"quality":"auspicious"},{"name":"Amṛta","start":"08:18","end":"09:39","startHours":8.300905087268852,"endHours":9.644931933467005,"quality":"auspicious"},{"name":"Kāla","start":"09:39","end":"10:59","startHours":9.644931933467005,"endHours":10.988958779665158,"quality":"inauspicious"},{"name":"Śubha","start":"10:59","end":"12:20","startHours":10.988958779665158,"endHours":12.332985625863312,"quality":"auspicious"},{"name":"Roga","start":"12:20","end":"13:41","startHours":12.332985625863312,"endHours":13.677012472061467,"quality":"inauspicious"},{"name":"Udveg","start":"13:41","end":"15:01","startHours":13.677012472061467,"endHours":15.02103931825962,"quality":"inauspicious"},{"name":"Chala","start":"15:01","end":"16:22","startHours":15.02103931825962,"endHours":16.365066164457772,"quality":"neutral"},{"name":"Labha","start":"16:22","end":"17:43","startHours":16.365066164457772,"endHours":17.709093010655927,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:43","end":"19:22","startHours":17.709093010655927,"endHours":19.365066164457772,"quality":"inauspicious"},{"name":"Chala","start":"19:22","end":"21:01","startHours":19.365066164457772,"endHours":21.021039318259618,"quality":"neutral"},{"name":"Labha","start":"21:01","end":"22:41","startHours":21.021039318259618,"endHours":22.677012472061467,"quality":"auspicious"},{"name":"Amṛta","start":"22:41","end":"00:20","startHours":22.677012472061467,"endHours":24.332985625863312,"quality":"auspicious"},{"name":"Kāla","start":"00:20","end":"01:59","startHours":24.332985625863312,"endHours":25.988958779665158,"quality":"inauspicious"},{"name":"Śubha","start":"01:59","end":"03:39","startHours":25.988958779665158,"endHours":27.644931933467007,"quality":"auspicious"},{"name":"Roga","start":"03:39","end":"05:18","startHours":27.644931933467007,"endHours":29.300905087268852,"quality":"inauspicious"},{"name":"Udveg","start":"05:18","end":"06:57","startHours":29.300905087268852,"endHours":30.956878241070697,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:57","end":"07:57","startHours":6.956878241070697,"endHours":7.956878241070697,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:57","end":"08:57","startHours":7.956878241070697,"endHours":8.956878241070697,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:57","end":"09:57","startHours":8.956878241070697,"endHours":9.956878241070697,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:57","end":"10:57","startHours":9.956878241070697,"endHours":10.956878241070697,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:57","end":"11:57","startHours":10.956878241070697,"endHours":11.956878241070697,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:57","end":"12:57","startHours":11.956878241070697,"endHours":12.956878241070697,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:57","end":"13:57","startHours":12.956878241070697,"endHours":13.956878241070697,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:57","end":"14:57","startHours":13.956878241070697,"endHours":14.956878241070697,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:57","end":"15:57","startHours":14.956878241070697,"endHours":15.956878241070697,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:57","end":"16:57","startHours":15.956878241070697,"endHours":16.956878241070697,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:57","end":"17:57","startHours":16.956878241070697,"endHours":17.956878241070697,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:57","end":"18:57","startHours":17.956878241070697,"endHours":18.956878241070697,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:57","end":"19:57","startHours":18.956878241070697,"endHours":19.956878241070697,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:57","end":"20:57","startHours":19.956878241070697,"endHours":20.956878241070697,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:57","end":"21:57","startHours":20.956878241070697,"endHours":21.956878241070697,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:57","end":"22:57","startHours":21.956878241070697,"endHours":22.956878241070697,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:57","end":"23:57","startHours":22.956878241070697,"endHours":23.956878241070697,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:57","end":"00:57","startHours":23.956878241070697,"endHours":24.956878241070697,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:57","end":"01:57","startHours":24.956878241070697,"endHours":25.956878241070697,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:57","end":"02:57","startHours":25.956878241070697,"endHours":26.956878241070697,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:57","end":"03:57","startHours":26.956878241070697,"endHours":27.956878241070697,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:57","end":"04:57","startHours":27.956878241070697,"endHours":28.956878241070697,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:57","end":"05:57","startHours":28.956878241070697,"endHours":29.956878241070697,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:57","end":"06:57","startHours":29.956878241070697,"endHours":30.956878241070697,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"West","rahuVasa":"South-West","anandadiYoga":{"name":"Mausala","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-22.7770529787084,"eotMinutes":6.866862448201248,"ayanamsa":23.8382}},"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 Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Ṣaṣṭhī · Vikram 2055 Khara · Śaka 1920 Bahudhānya"},"festivals":[],"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":"ujjain"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga December 9, 1998 CE · Ujjain · Vidhyamitra","description":"December 9, 1998 CE for Ujjain: Kṛṣṇa Ṣaṣṭhī, sūryodaya 06:57, sūryāsta 17:43.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ujjain/1998-12-09","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ujjain/1998-12-09","sa":"https://sa.vidhyamitra.com/city/ujjain/1998-12-09","hi":"https://hi.vidhyamitra.com/city/ujjain/1998-12-09","x-default":"https://vidhyamitra.com/city/ujjain/1998-12-09"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-11T18:01:50.126Z","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":"2026-09-11T18:01:50.126Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-11T18:01:50.126Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no single city is the universal center.","purna_chain":["Hosted scripture","Named-tradition interpretation","Original Vidhyamitra contemplation","Bhūmi-born material medium","Vidhyamitra portal","Responsible reader in their own kṣetra"],"claim_boundary":"The legacy purna_chain field carries a source-to-reader sequence, not a revealed physical descent, universal cosmology, or proof that software is conscious.","antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}