{"id":"vidhyamitra:city-day:varanasi:1998-01-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/varanasi/1998-01-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1998-01-15","date_display":"January 15, 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":1,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450828.770833,"kali_year":5099,"ahargana":1862363.2708,"sun":{"sidereal_longitude":270.7467,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":119.9296,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":209.1829,"elapsed_within_tithi_degrees":5.1829},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4,"moon_longitude":119.9296,"elapsed_within_degrees":13.2629},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":30.6763},"karana":{"half_tithi_index":34,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":1,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2450828.770833,"ahargana":1862363.2708,"kali_year":5099,"ayanamsa_lahiri":23.8256,"grahas":{"sun":{"sidereal_longitude":270.854276,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":117.71347600000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false,"latitude":-1.7641},"mars":{"sidereal_longitude":298.02707599999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":249.15077600000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":301.4462759999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":273.1119759999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":true},"saturn":{"sidereal_longitude":350.473176,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":143.0316,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":323.0316,"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":1,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450828.770833,"kali_year":5099,"ahargana":1862363.2708,"sun":{"sidereal_longitude":270.7467,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":119.9296,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":209.1829,"elapsed_within_tithi_degrees":5.1829},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4,"moon_longitude":119.9296,"elapsed_within_degrees":13.2629},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":30.6763},"karana":{"half_tithi_index":34,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.764,"elongation":150.817},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.764,"opposition_distance":29.183}},"eclipse_window_40days":[]},"city":{"slug":"varanasi","name":"Vārāṇasī (Kāśī)","lat":25.3176,"lon":82.9739,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"varanasi","name":"Vārāṇasī (Kāśī)","lat":25.3176,"lon":82.9739,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"06:46","sunsetLocal":"17:29","solarNoonLocal":"12:07","dayLengthHours":10.725069729096418,"dayLengthDisplay":"10 Hours 43 Mins 30 Secs","nightLengthDisplay":"13 Hours 16 Mins 30 Secs","moonriseLocal":"19:24","moonsetLocal":"08:25","rahuKala":{"name":"Rāhu Kāla","start":"13:28","end":"14:48","startHours":13.464872873572606,"endHours":14.805506589709658,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:46","end":"08:06","startHours":6.761704292887344,"endHours":8.102338009024397,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:27","end":"10:47","startHours":9.44297172516145,"endHours":10.783605441298501,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:16","end":"09:37","startHours":9.264220563009841,"endHours":9.621722887313055,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:13","end":"07:30","startHours":7.208582198266361,"endHours":7.494584057708932,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:46","end":"12:29","startHours":11.76673683313234,"endHours":12.481741481738768,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:20","end":"06:03","startHours":5.3316949956744875,"endHours":6.046699644280916,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:52","end":"06:46","startHours":5.867948482129309,"endHours":6.761704292887344,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:55","end":"14:38","startHours":13.911750778951621,"endHours":14.626755427558049,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:17","end":"17:41","startHours":17.286774021983764,"endHours":17.686774021983762,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:29","end":"17:56","startHours":17.486774021983763,"endHours":17.93365192736278,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:14","end":"18:59","startHours":17.236774021983763,"endHours":18.986774021983763,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:46","end":"00:29","startHours":23.766736833132338,"endHours":24.48174148173877,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:46","end":"08:06","startHours":6.761704292887344,"endHours":8.102338009024397,"quality":"auspicious"},{"name":"Roga","start":"08:06","end":"09:27","startHours":8.102338009024397,"endHours":9.44297172516145,"quality":"inauspicious"},{"name":"Udveg","start":"09:27","end":"10:47","startHours":9.44297172516145,"endHours":10.783605441298501,"quality":"inauspicious"},{"name":"Chala","start":"10:47","end":"12:07","startHours":10.783605441298501,"endHours":12.124239157435554,"quality":"neutral"},{"name":"Labha","start":"12:07","end":"13:28","startHours":12.124239157435554,"endHours":13.464872873572606,"quality":"auspicious"},{"name":"Amṛta","start":"13:28","end":"14:48","startHours":13.464872873572606,"endHours":14.805506589709658,"quality":"auspicious"},{"name":"Kāla","start":"14:48","end":"16:09","startHours":14.805506589709658,"endHours":16.14614030584671,"quality":"inauspicious"},{"name":"Śubha","start":"16:09","end":"17:29","startHours":16.14614030584671,"endHours":17.486774021983763,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:29","end":"19:09","startHours":17.486774021983763,"endHours":19.14614030584671,"quality":"auspicious"},{"name":"Kāla","start":"19:09","end":"20:48","startHours":19.14614030584671,"endHours":20.80550658970966,"quality":"inauspicious"},{"name":"Śubha","start":"20:48","end":"22:28","startHours":20.80550658970966,"endHours":22.464872873572606,"quality":"auspicious"},{"name":"Roga","start":"22:28","end":"00:07","startHours":22.464872873572606,"endHours":24.124239157435554,"quality":"inauspicious"},{"name":"Udveg","start":"00:07","end":"01:47","startHours":24.124239157435554,"endHours":25.7836054412985,"quality":"inauspicious"},{"name":"Chala","start":"01:47","end":"03:27","startHours":25.7836054412985,"endHours":27.44297172516145,"quality":"neutral"},{"name":"Labha","start":"03:27","end":"05:06","startHours":27.44297172516145,"endHours":29.102338009024397,"quality":"auspicious"},{"name":"Amṛta","start":"05:06","end":"06:46","startHours":29.102338009024397,"endHours":30.761704292887345,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:46","end":"07:46","startHours":6.761704292887344,"endHours":7.761704292887344,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:46","end":"08:46","startHours":7.761704292887344,"endHours":8.761704292887345,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:46","end":"09:46","startHours":8.761704292887345,"endHours":9.761704292887345,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:46","end":"10:46","startHours":9.761704292887345,"endHours":10.761704292887345,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:46","end":"11:46","startHours":10.761704292887345,"endHours":11.761704292887345,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:46","end":"12:46","startHours":11.761704292887345,"endHours":12.761704292887345,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:46","end":"13:46","startHours":12.761704292887345,"endHours":13.761704292887345,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:46","end":"14:46","startHours":13.761704292887345,"endHours":14.761704292887345,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:46","end":"15:46","startHours":14.761704292887345,"endHours":15.761704292887345,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:46","end":"16:46","startHours":15.761704292887345,"endHours":16.761704292887345,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:46","end":"17:46","startHours":16.761704292887345,"endHours":17.761704292887345,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:46","end":"18:46","startHours":17.761704292887345,"endHours":18.761704292887345,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:46","end":"19:46","startHours":18.761704292887345,"endHours":19.761704292887345,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:46","end":"20:46","startHours":19.761704292887345,"endHours":20.761704292887345,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:46","end":"21:46","startHours":20.761704292887345,"endHours":21.761704292887345,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:46","end":"22:46","startHours":21.761704292887345,"endHours":22.761704292887345,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:46","end":"23:46","startHours":22.761704292887345,"endHours":23.761704292887345,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:46","end":"00:46","startHours":23.761704292887345,"endHours":24.761704292887345,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:46","end":"01:46","startHours":24.761704292887345,"endHours":25.761704292887345,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:46","end":"02:46","startHours":25.761704292887345,"endHours":26.761704292887345,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:46","end":"03:46","startHours":26.761704292887345,"endHours":27.761704292887345,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:46","end":"04:46","startHours":27.761704292887345,"endHours":28.761704292887345,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:46","end":"05:46","startHours":28.761704292887345,"endHours":29.761704292887345,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:46","end":"06:46","startHours":29.761704292887345,"endHours":30.761704292887345,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"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":"South (Dakṣiṇa)","chandraVasa":"South-West","rahuVasa":"North-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":-21.186294693008957,"eotMinutes":-9.349949446133257,"ayanamsa":23.8256}},"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 Kṛṣṇa Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Tṛtīyā · 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":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"varanasi"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga January 15, 1998 CE · Vārāṇasī (Kāśī) · Vidhyamitra","description":"January 15, 1998 CE for Vārāṇasī (Kāśī): Kṛṣṇa Tṛtīyā, sūryodaya 06:46, sūryāsta 17:29.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/varanasi/1998-01-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/varanasi/1998-01-15","sa":"https://sa.vidhyamitra.com/city/varanasi/1998-01-15","hi":"https://hi.vidhyamitra.com/city/varanasi/1998-01-15","x-default":"https://vidhyamitra.com/city/varanasi/1998-01-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T17:07:18.454Z","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":"2026-05-14T17:07:18.454Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T17:07:18.454Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}