{"id":"vidhyamitra:city-day:mathura:1998-04-26:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/mathura/1998-04-26","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1998-04-26","date_display":"April 26, 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":4,"day":26,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450929.770833,"kali_year":5100,"ahargana":1862464.2708,"sun":{"sidereal_longitude":11.8795,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":6.3886,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":354.5092,"elapsed_within_tithi_degrees":6.5092},"nakshatra":{"number":1,"name":"Aśvinī","pada":2,"moon_longitude":6.3886,"elapsed_within_degrees":6.3886},"yoga":{"number":2,"name":"Prīti","sum_longitude":18.2681},"karana":{"half_tithi_index":59,"name":"Nāga"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":4,"day":26,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2450929.770833,"ahargana":1862464.2708,"kali_year":5100,"ayanamsa_lahiri":23.8295,"grahas":{"sun":{"sidereal_longitude":11.789716999999996,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":5.526816999999994,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false,"latitude":-3.3796},"mars":{"sidereal_longitude":15.86461700000001,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":347.335217,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":324.71711700000003,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":327.54211699999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":1.090016999999989,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":137.6801,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":317.6801,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","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":4,"day":26,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450929.770833,"kali_year":5100,"ahargana":1862464.2708,"sun":{"sidereal_longitude":11.8795,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":6.3886,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":354.5092,"elapsed_within_tithi_degrees":6.5092},"nakshatra":{"number":1,"name":"Aśvinī","pada":2,"moon_longitude":6.3886,"elapsed_within_degrees":6.3886},"yoga":{"number":2,"name":"Prīti","sum_longitude":18.2681},"karana":{"half_tithi_index":59,"name":"Nāga"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.38,"elongation":5.491},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.38,"opposition_distance":174.509}},"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":"05:45","sunsetLocal":"18:50","solarNoonLocal":"12:17","dayLengthHours":13.078918862695417,"dayLengthDisplay":"13 Hours 04 Mins 44 Secs","nightLengthDisplay":"10 Hours 55 Mins 16 Secs","moonriseLocal":"05:26","moonsetLocal":"18:19","rahuKala":{"name":"Rāhu Kāla","start":"17:11","end":"18:50","startHours":17.190301563832595,"endHours":18.825166421669522,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:17","end":"13:55","startHours":12.285706990321813,"endHours":13.92057184815874,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:33","end":"17:11","startHours":15.555436705995668,"endHours":17.190301563832595,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:48","end":"09:14","startHours":8.797995293603035,"endHours":9.233959255692882,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:17","end":"06:38","startHours":6.291202511586413,"endHours":6.639973681258291,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:51","end":"12:43","startHours":11.849743028231966,"endHours":12.72167095241166,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:00","end":"04:52","startHours":4.002391710614716,"endHours":4.874319634794411,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:39","end":"05:45","startHours":4.656337653749487,"endHours":5.746247558974105,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:28","end":"15:20","startHours":14.465526800771048,"endHours":15.337454724950742,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:38","end":"19:02","startHours":18.625166421669523,"endHours":19.02516642166952,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:50","end":"19:22","startHours":18.825166421669522,"endHours":19.37012137428183,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:35","end":"20:20","startHours":18.575166421669522,"endHours":20.325166421669522,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:51","end":"00:43","startHours":23.849743028231966,"endHours":24.72167095241166,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:45","end":"07:23","startHours":5.746247558974105,"endHours":7.381112416811032,"quality":"inauspicious"},{"name":"Chala","start":"07:23","end":"09:01","startHours":7.381112416811032,"endHours":9.015977274647959,"quality":"neutral"},{"name":"Labha","start":"09:01","end":"10:39","startHours":9.015977274647959,"endHours":10.650842132484886,"quality":"auspicious"},{"name":"Amṛta","start":"10:39","end":"12:17","startHours":10.650842132484886,"endHours":12.285706990321813,"quality":"auspicious"},{"name":"Kāla","start":"12:17","end":"13:55","startHours":12.285706990321813,"endHours":13.92057184815874,"quality":"inauspicious"},{"name":"Śubha","start":"13:55","end":"15:33","startHours":13.92057184815874,"endHours":15.555436705995668,"quality":"auspicious"},{"name":"Roga","start":"15:33","end":"17:11","startHours":15.555436705995668,"endHours":17.190301563832595,"quality":"inauspicious"},{"name":"Udveg","start":"17:11","end":"18:50","startHours":17.190301563832595,"endHours":18.825166421669522,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:50","end":"20:11","startHours":18.825166421669522,"endHours":20.190301563832595,"quality":"auspicious"},{"name":"Roga","start":"20:11","end":"21:33","startHours":20.190301563832595,"endHours":21.555436705995668,"quality":"inauspicious"},{"name":"Udveg","start":"21:33","end":"22:55","startHours":21.555436705995668,"endHours":22.92057184815874,"quality":"inauspicious"},{"name":"Chala","start":"22:55","end":"00:17","startHours":22.92057184815874,"endHours":24.285706990321813,"quality":"neutral"},{"name":"Labha","start":"00:17","end":"01:39","startHours":24.285706990321813,"endHours":25.650842132484886,"quality":"auspicious"},{"name":"Amṛta","start":"01:39","end":"03:01","startHours":25.650842132484886,"endHours":27.01597727464796,"quality":"auspicious"},{"name":"Kāla","start":"03:01","end":"04:23","startHours":27.01597727464796,"endHours":28.381112416811032,"quality":"inauspicious"},{"name":"Śubha","start":"04:23","end":"05:45","startHours":28.381112416811032,"endHours":29.746247558974105,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:45","end":"06:45","startHours":5.746247558974105,"endHours":6.746247558974105,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:45","end":"07:45","startHours":6.746247558974105,"endHours":7.746247558974105,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:45","end":"08:45","startHours":7.746247558974105,"endHours":8.746247558974105,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:45","end":"09:45","startHours":8.746247558974105,"endHours":9.746247558974105,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:45","end":"10:45","startHours":9.746247558974105,"endHours":10.746247558974105,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:45","end":"11:45","startHours":10.746247558974105,"endHours":11.746247558974105,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:45","end":"12:45","startHours":11.746247558974105,"endHours":12.746247558974105,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:45","end":"13:45","startHours":12.746247558974105,"endHours":13.746247558974105,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:45","end":"14:45","startHours":13.746247558974105,"endHours":14.746247558974105,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:45","end":"15:45","startHours":14.746247558974105,"endHours":15.746247558974105,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:45","end":"16:45","startHours":15.746247558974105,"endHours":16.746247558974105,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:45","end":"17:45","startHours":16.746247558974105,"endHours":17.746247558974105,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:45","end":"18:45","startHours":17.746247558974105,"endHours":18.746247558974105,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:45","end":"19:45","startHours":18.746247558974105,"endHours":19.746247558974105,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:45","end":"20:45","startHours":19.746247558974105,"endHours":20.746247558974105,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:45","end":"21:45","startHours":20.746247558974105,"endHours":21.746247558974105,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:45","end":"22:45","startHours":21.746247558974105,"endHours":22.746247558974105,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:45","end":"23:45","startHours":22.746247558974105,"endHours":23.746247558974105,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:45","end":"00:45","startHours":23.746247558974105,"endHours":24.746247558974105,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:45","end":"01:45","startHours":24.746247558974105,"endHours":25.746247558974105,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:45","end":"02:45","startHours":25.746247558974105,"endHours":26.746247558974105,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:45","end":"03:45","startHours":26.746247558974105,"endHours":27.746247558974105,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:45","end":"04:45","startHours":27.746247558974105,"endHours":28.746247558974105,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:45","end":"05:45","startHours":28.746247558974105,"endHours":29.746247558974105,"planetary_lord":"Jupiter"}],"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":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Ānanda","quality":"Auspicious"},"drikRitu":"Vasanta (Spring) (Drik)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":13.393506578903803,"eotMinutes":2.162780580691212,"ayanamsa":23.8295}},"calendars":{"vikram_samvat":2055,"vikram_samvatsara":"Khara","saka_samvat":1920,"saka_samvatsara":"Bahudhānya","bengali_samvat":1405,"malayalam_era":1174,"nanakshahi_year":529,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Amāvasyā · Vikram 2055 Khara · Śaka 1920 Bahudhānya"},"festivals":[{"id":"mesha-sankranti","name":"Meṣa Saṅkrānti (Vaiśākhī / Vishu / Pohelā Boishākh / Bihu)","name_sanskrit":"मेष सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aries; solar new year. Regional: Vaiśākhī (Punjab) · Vishu (Kerala) · Pohelā Boishākh (Bengal) · Bihu (Assam) · Tamil Puthāṇḍu.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":1},{"id":"baisakhi","name":"Baisakhi (Vaiśākhī)","name_sanskrit":"वैशाखी","tradition":"Regional","associated_deity":"Sūrya + Khalsa Pantha (Sikh)","significance":"Punjab New Year + Sikh Khalsa founding day.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":2}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Kṛṣṇa Amāvasyā","url":"/day/-3137-10-20","relevance":0.5},{"historical_date":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","relevance":0.5}]},"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 April 26, 1998 CE · Mathurā · Vidhyamitra","description":"April 26, 1998 CE for Mathurā: Kṛṣṇa Amāvasyā, sūryodaya 05:45, sūryāsta 18:50.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/mathura/1998-04-26","hreflang_alternates":{"en":"https://vidhyamitra.com/city/mathura/1998-04-26","sa":"https://sa.vidhyamitra.com/city/mathura/1998-04-26","hi":"https://hi.vidhyamitra.com/city/mathura/1998-04-26","x-default":"https://vidhyamitra.com/city/mathura/1998-04-26"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T15:59:53.489Z","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":"2026-05-14T15:59:53.489Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T15:59:53.489Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}