{"id":"vidhyamitra:city-day:mathura:1998-05-25:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/mathura/1998-05-25","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1998-05-25","date_display":"May 25, 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":5,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450958.770833,"kali_year":5100,"ahargana":1862493.2708,"sun":{"sidereal_longitude":39.7465,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":30.6606,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":350.914,"elapsed_within_tithi_degrees":2.914},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2,"moon_longitude":30.6606,"elapsed_within_degrees":3.9939},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":70.4071},"karana":{"half_tithi_index":58,"name":"Catuṣpāda"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":5,"day":25,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2450958.770833,"ahargana":1862493.2708,"kali_year":5100,"ayanamsa_lahiri":23.8306,"grahas":{"sun":{"sidereal_longitude":39.821308999999985,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":29.09970900000002,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false,"latitude":-4.3364},"mars":{"sidereal_longitude":36.858708999999976,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":21.98900900000001,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":329.8533090000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":0.4865090000000123,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":4.55230899999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":136.1436,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":316.1436,"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":5,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450958.770833,"kali_year":5100,"ahargana":1862493.2708,"sun":{"sidereal_longitude":39.7465,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":30.6606,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":350.914,"elapsed_within_tithi_degrees":2.914},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2,"moon_longitude":30.6606,"elapsed_within_degrees":3.9939},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":70.4071},"karana":{"half_tithi_index":58,"name":"Catuṣpāda"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.336,"elongation":9.086},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.336,"opposition_distance":170.914}},"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":"05:26","sunsetLocal":"19:06","solarNoonLocal":"12:16","dayLengthHours":13.663654736530411,"dayLengthDisplay":"13 Hours 39 Mins 49 Secs","nightLengthDisplay":"10 Hours 20 Mins 11 Secs","moonriseLocal":"04:50","moonsetLocal":"18:16","rahuKala":{"name":"Rāhu Kāla","start":"07:09","end":"08:51","startHours":7.144251451219627,"endHours":8.852208293285928,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:34","end":"12:16","startHours":10.560165135352229,"endHours":12.26812197741853,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:59","end":"15:41","startHours":13.976078819484833,"endHours":15.684035661551134,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:37","end":"09:05","startHours":8.624480714343754,"endHours":9.079935872228102,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:00","end":"06:22","startHours":6.005613556508759,"endHours":6.369977682816237,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:49","end":"12:43","startHours":11.812666819534185,"endHours":12.723577135302877,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:37","end":"04:32","startHours":3.614473977615937,"endHours":4.525384293384631,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:18","end":"05:26","startHours":4.297656714442458,"endHours":5.436294609153325,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:33","end":"15:27","startHours":14.545397766840265,"endHours":15.45630808260896,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:54","end":"19:18","startHours":18.899949345683737,"endHours":19.299949345683736,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:06","end":"19:40","startHours":19.099949345683736,"endHours":19.66926829303917,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:51","end":"20:36","startHours":18.849949345683736,"endHours":20.599949345683736,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:49","end":"00:43","startHours":23.812666819534183,"endHours":24.72357713530288,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:26","end":"07:09","startHours":5.436294609153325,"endHours":7.144251451219627,"quality":"auspicious"},{"name":"Kāla","start":"07:09","end":"08:51","startHours":7.144251451219627,"endHours":8.852208293285928,"quality":"inauspicious"},{"name":"Śubha","start":"08:51","end":"10:34","startHours":8.852208293285928,"endHours":10.560165135352229,"quality":"auspicious"},{"name":"Roga","start":"10:34","end":"12:16","startHours":10.560165135352229,"endHours":12.26812197741853,"quality":"inauspicious"},{"name":"Udveg","start":"12:16","end":"13:59","startHours":12.26812197741853,"endHours":13.976078819484833,"quality":"inauspicious"},{"name":"Chala","start":"13:59","end":"15:41","startHours":13.976078819484833,"endHours":15.684035661551134,"quality":"neutral"},{"name":"Labha","start":"15:41","end":"17:24","startHours":15.684035661551134,"endHours":17.391992503617434,"quality":"auspicious"},{"name":"Amṛta","start":"17:24","end":"19:06","startHours":17.391992503617434,"endHours":19.099949345683736,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"19:06","end":"20:24","startHours":19.099949345683736,"endHours":20.391992503617434,"quality":"neutral"},{"name":"Labha","start":"20:24","end":"21:41","startHours":20.391992503617434,"endHours":21.684035661551135,"quality":"auspicious"},{"name":"Amṛta","start":"21:41","end":"22:59","startHours":21.684035661551135,"endHours":22.976078819484833,"quality":"auspicious"},{"name":"Kāla","start":"22:59","end":"00:16","startHours":22.976078819484833,"endHours":24.26812197741853,"quality":"inauspicious"},{"name":"Śubha","start":"00:16","end":"01:34","startHours":24.26812197741853,"endHours":25.56016513535223,"quality":"auspicious"},{"name":"Roga","start":"01:34","end":"02:51","startHours":25.56016513535223,"endHours":26.852208293285926,"quality":"inauspicious"},{"name":"Udveg","start":"02:51","end":"04:09","startHours":26.852208293285926,"endHours":28.144251451219628,"quality":"inauspicious"},{"name":"Chala","start":"04:09","end":"05:26","startHours":28.144251451219628,"endHours":29.436294609153325,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:26","end":"06:26","startHours":5.436294609153325,"endHours":6.436294609153325,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:26","end":"07:26","startHours":6.436294609153325,"endHours":7.436294609153325,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:26","end":"08:26","startHours":7.436294609153325,"endHours":8.436294609153325,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:26","end":"09:26","startHours":8.436294609153325,"endHours":9.436294609153325,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:26","end":"10:26","startHours":9.436294609153325,"endHours":10.436294609153325,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:26","end":"11:26","startHours":10.436294609153325,"endHours":11.436294609153325,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:26","end":"12:26","startHours":11.436294609153325,"endHours":12.436294609153325,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:26","end":"13:26","startHours":12.436294609153325,"endHours":13.436294609153325,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:26","end":"14:26","startHours":13.436294609153325,"endHours":14.436294609153325,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:26","end":"15:26","startHours":14.436294609153325,"endHours":15.436294609153325,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:26","end":"16:26","startHours":15.436294609153325,"endHours":16.436294609153325,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:26","end":"17:26","startHours":16.436294609153325,"endHours":17.436294609153325,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:26","end":"18:26","startHours":17.436294609153325,"endHours":18.436294609153325,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:26","end":"19:26","startHours":18.436294609153325,"endHours":19.436294609153325,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:26","end":"20:26","startHours":19.436294609153325,"endHours":20.436294609153325,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:26","end":"21:26","startHours":20.436294609153325,"endHours":21.436294609153325,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:26","end":"22:26","startHours":21.436294609153325,"endHours":22.436294609153325,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:26","end":"23:26","startHours":22.436294609153325,"endHours":23.436294609153325,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:26","end":"00:26","startHours":23.436294609153325,"endHours":24.436294609153325,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:26","end":"01:26","startHours":24.436294609153325,"endHours":25.436294609153325,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:26","end":"02:26","startHours":25.436294609153325,"endHours":26.436294609153325,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:26","end":"03:26","startHours":26.436294609153325,"endHours":27.436294609153325,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:26","end":"04:26","startHours":27.436294609153325,"endHours":28.436294609153325,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:26","end":"05:26","startHours":28.436294609153325,"endHours":29.436294609153325,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","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":"East (Pūrva)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Dhvaja","quality":"Auspicious"},"drikRitu":"Grīṣma (Summer) (Drik)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":20.880112667105518,"eotMinutes":3.2178813548881493,"ayanamsa":23.8306}},"calendars":{"vikram_samvat":2055,"vikram_samvatsara":"Khara","saka_samvat":1920,"saka_samvatsara":"Bahudhānya","bengali_samvat":1405,"malayalam_era":1174,"nanakshahi_year":529,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Kṛṣṇa Pakṣa","solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Kṛṣṇa Amāvasyā · Vikram 2055 Khara · Śaka 1920 Bahudhānya"},"festivals":[{"id":"vat-savitri-amavasya","name":"Vaṭa Sāvitrī Amāvasyā","name_sanskrit":"वट सावित्री अमावस्या","tradition":"Pan-Hindu","associated_deity":"Sāvitrī Devī","significance":"Sāvitrī's redemption of Satyavān from Yama; pati-vrata observance.","vrata":true,"detection":{"tithi_number":30,"tithi_paksha":"Kṛṣṇa","lunar_month":"Jyeṣṭha"},"precedence":2,"sources":["Mahābhārata, Vana Parva — Sāvitrī Upākhyāna"]},{"id":"vrishabha-sankranti","name":"Vṛṣabha Saṅkrānti","name_sanskrit":"वृषभ सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Taurus.","vrata":false,"detection":{"sun_rashi":"Vṛṣabha"},"precedence":5}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Kṛttikā","url":"/day/-3137-10-04","relevance":0.5},{"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":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Kṛttikā","url":"/day/-3137-12-25","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 May 25, 1998 CE · Mathurā · Vidhyamitra","description":"May 25, 1998 CE for Mathurā: Kṛṣṇa Amāvasyā, sūryodaya 05:26, sūryāsta 19:06.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/mathura/1998-05-25","hreflang_alternates":{"en":"https://vidhyamitra.com/city/mathura/1998-05-25","sa":"https://sa.vidhyamitra.com/city/mathura/1998-05-25","hi":"https://hi.vidhyamitra.com/city/mathura/1998-05-25","x-default":"https://vidhyamitra.com/city/mathura/1998-05-25"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T14:46:40.942Z","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":"2026-05-14T14:46:40.942Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T14:46:40.942Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}