{"id":"vidhyamitra:city-day:erode:1998-04-25:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/1998-04-25","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1998-04-25","date_display":"April 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":4,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450928.770833,"kali_year":5100,"ahargana":1862463.2708,"sun":{"sidereal_longitude":10.9104,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":351.8724,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":340.962,"elapsed_within_tithi_degrees":4.962},"nakshatra":{"number":27,"name":"Revatī","pada":2,"moon_longitude":351.8724,"elapsed_within_degrees":5.2057},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":2.7828},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":25,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2450928.770833,"ahargana":1862463.2708,"kali_year":5100,"ayanamsa_lahiri":23.8294,"grahas":{"sun":{"sidereal_longitude":10.816055000000006,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":350.342755,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false,"latitude":-2.5236},"mars":{"sidereal_longitude":15.127655000000004,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":346.929855,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":324.516255,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":326.43455500000005,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":0.9647550000000251,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":137.7331,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":317.7331,"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":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450928.770833,"kali_year":5100,"ahargana":1862463.2708,"sun":{"sidereal_longitude":10.9104,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":351.8724,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":340.962,"elapsed_within_tithi_degrees":4.962},"nakshatra":{"number":27,"name":"Revatī","pada":2,"moon_longitude":351.8724,"elapsed_within_degrees":5.2057},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":2.7828},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.524,"elongation":19.038},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.524,"opposition_distance":160.962}},"eclipse_window_40days":[]},"city":{"slug":"erode","name":"Erode, Tamil Nadu","lat":11.341,"lon":77.7172,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"erode","name":"Erode, Tamil Nadu","lat":11.341,"lon":77.7172,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tier-1"},"sunriseLocal":"06:03","sunsetLocal":"18:31","solarNoonLocal":"12:17","dayLengthHours":12.472241754559649,"dayLengthDisplay":"12 Hours 28 Mins 20 Secs","nightLengthDisplay":"11 Hours 31 Mins 40 Secs","moonriseLocal":"04:48","moonsetLocal":"17:02","rahuKala":{"name":"Rāhu Kāla","start":"09:10","end":"10:44","startHours":9.167715250058963,"endHours":10.726745469378919,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:51","end":"15:24","startHours":13.84480590801883,"endHours":15.403836127338788,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:03","end":"07:37","startHours":6.049654811419051,"endHours":7.608685030739007,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:58","end":"09:23","startHours":8.959844554149637,"endHours":9.375585945968291,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:34","end":"06:54","startHours":6.56933155119237,"endHours":6.901924664647294,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:42","startHours":11.870034296880222,"endHours":12.701517080517531,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:23","end":"05:13","startHours":4.386689244144431,"endHours":5.218172027781741,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:01","end":"06:03","startHours":5.010301331872414,"endHours":6.049654811419051,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:22","end":"15:12","startHours":14.36448264779215,"endHours":15.195965431429459,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:19","end":"18:43","startHours":18.3218965659787,"endHours":18.7218965659787,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:31","end":"19:02","startHours":18.5218965659787,"endHours":19.041573305752017,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:16","end":"20:01","startHours":18.2718965659787,"endHours":20.0218965659787,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:42","startHours":23.87003429688022,"endHours":24.701517080517533,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:03","end":"07:37","startHours":6.049654811419051,"endHours":7.608685030739007,"quality":"inauspicious"},{"name":"Śubha","start":"07:37","end":"09:10","startHours":7.608685030739007,"endHours":9.167715250058963,"quality":"auspicious"},{"name":"Roga","start":"09:10","end":"10:44","startHours":9.167715250058963,"endHours":10.726745469378919,"quality":"inauspicious"},{"name":"Udveg","start":"10:44","end":"12:17","startHours":10.726745469378919,"endHours":12.285775688698877,"quality":"inauspicious"},{"name":"Chala","start":"12:17","end":"13:51","startHours":12.285775688698877,"endHours":13.84480590801883,"quality":"neutral"},{"name":"Labha","start":"13:51","end":"15:24","startHours":13.84480590801883,"endHours":15.403836127338788,"quality":"auspicious"},{"name":"Amṛta","start":"15:24","end":"16:58","startHours":15.403836127338788,"endHours":16.962866346658743,"quality":"auspicious"},{"name":"Kāla","start":"16:58","end":"18:31","startHours":16.962866346658743,"endHours":18.5218965659787,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:31","end":"19:58","startHours":18.5218965659787,"endHours":19.962866346658743,"quality":"auspicious"},{"name":"Amṛta","start":"19:58","end":"21:24","startHours":19.962866346658743,"endHours":21.40383612733879,"quality":"auspicious"},{"name":"Kāla","start":"21:24","end":"22:51","startHours":21.40383612733879,"endHours":22.84480590801883,"quality":"inauspicious"},{"name":"Śubha","start":"22:51","end":"00:17","startHours":22.84480590801883,"endHours":24.285775688698877,"quality":"auspicious"},{"name":"Roga","start":"00:17","end":"01:44","startHours":24.285775688698877,"endHours":25.72674546937892,"quality":"inauspicious"},{"name":"Udveg","start":"01:44","end":"03:10","startHours":25.72674546937892,"endHours":27.16771525005896,"quality":"inauspicious"},{"name":"Chala","start":"03:10","end":"04:37","startHours":27.16771525005896,"endHours":28.608685030739007,"quality":"neutral"},{"name":"Labha","start":"04:37","end":"06:03","startHours":28.608685030739007,"endHours":30.049654811419053,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:03","end":"07:03","startHours":6.049654811419051,"endHours":7.049654811419051,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:03","end":"08:03","startHours":7.049654811419051,"endHours":8.049654811419051,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:03","end":"09:03","startHours":8.049654811419051,"endHours":9.049654811419051,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:03","end":"10:03","startHours":9.049654811419051,"endHours":10.049654811419051,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:03","end":"11:03","startHours":10.049654811419051,"endHours":11.049654811419051,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:03","end":"12:03","startHours":11.049654811419051,"endHours":12.049654811419051,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:03","end":"13:03","startHours":12.049654811419051,"endHours":13.049654811419051,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:03","end":"14:03","startHours":13.049654811419051,"endHours":14.049654811419051,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:03","end":"15:03","startHours":14.049654811419051,"endHours":15.049654811419051,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:03","end":"16:03","startHours":15.049654811419051,"endHours":16.049654811419053,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:03","end":"17:03","startHours":16.049654811419053,"endHours":17.049654811419053,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:03","end":"18:03","startHours":17.049654811419053,"endHours":18.049654811419053,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:03","end":"19:03","startHours":18.049654811419053,"endHours":19.049654811419053,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:03","end":"20:03","startHours":19.049654811419053,"endHours":20.049654811419053,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:03","end":"21:03","startHours":20.049654811419053,"endHours":21.049654811419053,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:03","end":"22:03","startHours":21.049654811419053,"endHours":22.049654811419053,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:03","end":"23:03","startHours":22.049654811419053,"endHours":23.049654811419053,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:03","end":"00:03","startHours":23.049654811419053,"endHours":24.049654811419053,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:03","end":"01:03","startHours":24.049654811419053,"endHours":25.049654811419053,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:03","end":"02:03","startHours":25.049654811419053,"endHours":26.049654811419053,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:03","end":"03:03","startHours":26.049654811419053,"endHours":27.049654811419053,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:03","end":"04:03","startHours":27.049654811419053,"endHours":28.049654811419053,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:03","end":"05:03","startHours":28.049654811419053,"endHours":29.049654811419053,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:03","end":"06:03","startHours":29.049654811419053,"endHours":30.049654811419053,"planetary_lord":"Mercury"}],"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":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"East","anandadiYoga":{"name":"Gada","quality":"Inauspicious"},"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":13.068132207989654,"eotMinutes":1.9846586780673228,"ayanamsa":23.8294}},"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 Caturdaśī · 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},{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"erode"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga April 25, 1998 CE · Erode, Tamil Nadu · Vidhyamitra","description":"April 25, 1998 CE for Erode, Tamil Nadu: Kṛṣṇa Caturdaśī, sūryodaya 06:03, sūryāsta 18:31.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/1998-04-25","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/1998-04-25","sa":"https://sa.vidhyamitra.com/city/erode/1998-04-25","hi":"https://hi.vidhyamitra.com/city/erode/1998-04-25","x-default":"https://vidhyamitra.com/city/erode/1998-04-25"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-17T04:43:27.250Z","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":"2026-05-17T04:43:27.250Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-17T04:43:27.250Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}