{"id":"vidhyamitra:city-day:mathura:1998-07-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/mathura/1998-07-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1998-07-16","date_display":"July 16, 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":7,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451010.770833,"kali_year":5100,"ahargana":1862545.2708,"sun":{"sidereal_longitude":89.0677,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":351.1481,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":262.0803,"elapsed_within_tithi_degrees":10.0803},"nakshatra":{"number":27,"name":"Revatī","pada":2,"moon_longitude":351.1481,"elapsed_within_degrees":4.4814},"yoga":{"number":7,"name":"Sukarma","sum_longitude":80.2158},"karana":{"half_tithi_index":43,"name":"Bava"},"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":7,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2451010.770833,"ahargana":1862545.2708,"kali_year":5100,"ayanamsa_lahiri":23.8326,"grahas":{"sun":{"sidereal_longitude":89.498922,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"moon":{"sidereal_longitude":351.563722,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false,"latitude":-2.7538},"mars":{"sidereal_longitude":72.72312199999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":116.24272200000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":334.214522,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":61.863422000000014,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":8.952521999999988,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":133.3884,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":313.3884,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"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":7,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451010.770833,"kali_year":5100,"ahargana":1862545.2708,"sun":{"sidereal_longitude":89.0677,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":351.1481,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":262.0803,"elapsed_within_tithi_degrees":10.0803},"nakshatra":{"number":27,"name":"Revatī","pada":2,"moon_longitude":351.1481,"elapsed_within_degrees":4.4814},"yoga":{"number":7,"name":"Sukarma","sum_longitude":80.2158},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.754,"elongation":97.92},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.754,"opposition_distance":82.08}},"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":"05:34","sunsetLocal":"19:16","solarNoonLocal":"12:25","dayLengthHours":13.708333694417547,"dayLengthDisplay":"13 Hours 42 Mins 30 Secs","nightLengthDisplay":"10 Hours 17 Mins 30 Secs","moonriseLocal":"23:38","moonsetLocal":"12:09","rahuKala":{"name":"Rāhu Kāla","start":"14:08","end":"15:51","startHours":14.130007388740143,"endHours":15.843549100542337,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:34","end":"07:17","startHours":5.562298829729176,"endHours":7.27584054153137,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:59","end":"10:42","startHours":8.989382253333563,"endHours":10.702923965135756,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:46","end":"09:13","startHours":8.76091002509327,"endHours":9.217854481573855,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:08","end":"06:30","startHours":6.133479400329907,"endHours":6.499034965514375,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:58","end":"12:52","startHours":11.959521220457365,"endHours":12.873410133418535,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:44","end":"04:39","startHours":3.7345210038068366,"endHours":4.648409916768006,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:25","end":"05:34","startHours":4.419937688527714,"endHours":5.562298829729176,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:42","end":"15:37","startHours":14.701187959340874,"endHours":15.615076872302044,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:04","end":"19:28","startHours":19.070632524146724,"endHours":19.470632524146723,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:16","end":"19:51","startHours":19.270632524146723,"endHours":19.841813094747454,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:01","end":"20:46","startHours":19.020632524146723,"endHours":20.770632524146723,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:58","end":"00:52","startHours":23.959521220457365,"endHours":24.873410133418535,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:34","end":"07:17","startHours":5.562298829729176,"endHours":7.27584054153137,"quality":"auspicious"},{"name":"Roga","start":"07:17","end":"08:59","startHours":7.27584054153137,"endHours":8.989382253333563,"quality":"inauspicious"},{"name":"Udveg","start":"08:59","end":"10:42","startHours":8.989382253333563,"endHours":10.702923965135756,"quality":"inauspicious"},{"name":"Chala","start":"10:42","end":"12:25","startHours":10.702923965135756,"endHours":12.41646567693795,"quality":"neutral"},{"name":"Labha","start":"12:25","end":"14:08","startHours":12.41646567693795,"endHours":14.130007388740143,"quality":"auspicious"},{"name":"Amṛta","start":"14:08","end":"15:51","startHours":14.130007388740143,"endHours":15.843549100542337,"quality":"auspicious"},{"name":"Kāla","start":"15:51","end":"17:33","startHours":15.843549100542337,"endHours":17.55709081234453,"quality":"inauspicious"},{"name":"Śubha","start":"17:33","end":"19:16","startHours":17.55709081234453,"endHours":19.270632524146723,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"19:16","end":"20:33","startHours":19.270632524146723,"endHours":20.55709081234453,"quality":"auspicious"},{"name":"Kāla","start":"20:33","end":"21:51","startHours":20.55709081234453,"endHours":21.843549100542337,"quality":"inauspicious"},{"name":"Śubha","start":"21:51","end":"23:08","startHours":21.843549100542337,"endHours":23.130007388740143,"quality":"auspicious"},{"name":"Roga","start":"23:08","end":"00:25","startHours":23.130007388740143,"endHours":24.41646567693795,"quality":"inauspicious"},{"name":"Udveg","start":"00:25","end":"01:42","startHours":24.41646567693795,"endHours":25.702923965135756,"quality":"inauspicious"},{"name":"Chala","start":"01:42","end":"02:59","startHours":25.702923965135756,"endHours":26.989382253333563,"quality":"neutral"},{"name":"Labha","start":"02:59","end":"04:17","startHours":26.989382253333563,"endHours":28.27584054153137,"quality":"auspicious"},{"name":"Amṛta","start":"04:17","end":"05:34","startHours":28.27584054153137,"endHours":29.562298829729176,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:34","end":"06:34","startHours":5.562298829729176,"endHours":6.562298829729176,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:34","end":"07:34","startHours":6.562298829729176,"endHours":7.562298829729176,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:34","end":"08:34","startHours":7.562298829729176,"endHours":8.562298829729176,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:34","end":"09:34","startHours":8.562298829729176,"endHours":9.562298829729176,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:34","end":"10:34","startHours":9.562298829729176,"endHours":10.562298829729176,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:34","end":"11:34","startHours":10.562298829729176,"endHours":11.562298829729176,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:34","end":"12:34","startHours":11.562298829729176,"endHours":12.562298829729176,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:34","end":"13:34","startHours":12.562298829729176,"endHours":13.562298829729176,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:34","end":"14:34","startHours":13.562298829729176,"endHours":14.562298829729176,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:34","end":"15:34","startHours":14.562298829729176,"endHours":15.562298829729176,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:34","end":"16:34","startHours":15.562298829729176,"endHours":16.562298829729176,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:34","end":"17:34","startHours":16.562298829729176,"endHours":17.562298829729176,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:34","end":"18:34","startHours":17.562298829729176,"endHours":18.562298829729176,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:34","end":"19:34","startHours":18.562298829729176,"endHours":19.562298829729176,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:34","end":"20:34","startHours":19.562298829729176,"endHours":20.562298829729176,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:34","end":"21:34","startHours":20.562298829729176,"endHours":21.562298829729176,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:34","end":"22:34","startHours":21.562298829729176,"endHours":22.562298829729176,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:34","end":"23:34","startHours":22.562298829729176,"endHours":23.562298829729176,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:34","end":"00:34","startHours":23.562298829729176,"endHours":24.562298829729176,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:34","end":"01:34","startHours":24.562298829729176,"endHours":25.562298829729176,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:34","end":"02:34","startHours":25.562298829729176,"endHours":26.562298829729176,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:34","end":"03:34","startHours":26.562298829729176,"endHours":27.562298829729176,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:34","end":"04:34","startHours":27.562298829729176,"endHours":28.562298829729176,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:34","end":"05:34","startHours":28.562298829729176,"endHours":29.562298829729176,"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":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-West","rahuVasa":"North-West","anandadiYoga":{"name":"Lumba","quality":"Auspicious"},"drikRitu":"Grīṣma (Summer) (Drik)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":21.420465925036826,"eotMinutes":-5.682740616276977,"ayanamsa":23.8326}},"calendars":{"vikram_samvat":2055,"vikram_samvatsara":"Khara","saka_samvat":1920,"saka_samvatsara":"Bahudhānya","bengali_samvat":1405,"malayalam_era":1174,"nanakshahi_year":529,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Kṛṣṇa Pakṣa","solar_month":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Kṛṣṇa Saptamī · Vikram 2055 Khara · Śaka 1920 Bahudhānya"},"festivals":[{"id":"mithuna-sankranti","name":"Mithuna Saṅkrānti","name_sanskrit":"मिथुन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Gemini.","vrata":false,"detection":{"sun_rashi":"Mithuna"},"precedence":5}],"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":"mathura"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga July 16, 1998 CE · Mathurā · Vidhyamitra","description":"July 16, 1998 CE for Mathurā: Kṛṣṇa Saptamī, sūryodaya 05:34, sūryāsta 19:16.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/mathura/1998-07-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/mathura/1998-07-16","sa":"https://sa.vidhyamitra.com/city/mathura/1998-07-16","hi":"https://hi.vidhyamitra.com/city/mathura/1998-07-16","x-default":"https://vidhyamitra.com/city/mathura/1998-07-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T16:37:43.749Z","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":"2026-05-14T16:37:43.749Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T16:37:43.749Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}