{"id":"vidhyamitra:city-day:noida:1998-08-25:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/noida/1998-08-25","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1998-08-25","date_display":"August 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":8,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451050.770833,"kali_year":5100,"ahargana":1862585.2708,"sun":{"sidereal_longitude":127.1674,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":163.6183,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":36.451,"elapsed_within_tithi_degrees":0.451},"nakshatra":{"number":13,"name":"Hasta","pada":2,"moon_longitude":163.6183,"elapsed_within_degrees":3.6183},"yoga":{"number":22,"name":"Sādhya","sum_longitude":290.7857},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":8,"day":25,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2451050.770833,"ahargana":1862585.2708,"kali_year":5100,"ayanamsa_lahiri":23.8341,"grahas":{"sun":{"sidereal_longitude":127.822994,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":161.12539400000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false,"latitude":2.4061},"mars":{"sidereal_longitude":98.92469399999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":112.24379399999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":331.990194,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":110.48569399999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":9.664293999999984,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":131.269,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":311.269,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"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":8,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451050.770833,"kali_year":5100,"ahargana":1862585.2708,"sun":{"sidereal_longitude":127.1674,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":163.6183,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":36.451,"elapsed_within_tithi_degrees":0.451},"nakshatra":{"number":13,"name":"Hasta","pada":2,"moon_longitude":163.6183,"elapsed_within_degrees":3.6183},"yoga":{"number":22,"name":"Sādhya","sum_longitude":290.7857},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.406,"elongation":36.451},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.406,"opposition_distance":143.549}},"eclipse_window_40days":[{"offset_days":-3,"type":"solar","occurs":true,"moon_latitude":-0.467,"elongation":1.174}]},"city":{"slug":"noida","name":"Noida, Uttar Pradesh","lat":28.5355,"lon":77.391,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"noida","name":"Noida, Uttar Pradesh","lat":28.5355,"lon":77.391,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tier-1"},"sunriseLocal":"05:54","sunsetLocal":"18:50","solarNoonLocal":"12:22","dayLengthHours":12.929767647050852,"dayLengthDisplay":"12 Hours 55 Mins 47 Secs","nightLengthDisplay":"11 Hours 04 Mins 13 Secs","moonriseLocal":"08:37","moonsetLocal":"20:34","rahuKala":{"name":"Rāhu Kāla","start":"15:36","end":"17:13","startHours":15.601498646019419,"endHours":17.217719601900775,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:08","end":"10:45","startHours":9.136614822493993,"endHours":10.75283577837535,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:22","end":"13:59","startHours":12.369056734256706,"endHours":13.985277690138062,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:55","end":"09:21","startHours":8.921118695043146,"endHours":9.35211094994484,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:27","end":"06:47","startHours":6.4429132293584,"endHours":6.787707033279756,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:56","end":"12:48","startHours":11.938064479355011,"endHours":12.8000489891584,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:11","end":"05:03","startHours":4.1802038911245,"endHours":5.04218840092789,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:50","end":"05:54","startHours":4.826692273477043,"endHours":5.904172910731281,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:31","end":"15:23","startHours":14.524018008765182,"endHours":15.386002518568572,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:38","end":"19:02","startHours":18.633940557782132,"endHours":19.03394055778213,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:50","end":"19:22","startHours":18.83394055778213,"endHours":19.37268087640925,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:35","end":"20:20","startHours":18.58394055778213,"endHours":20.33394055778213,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:56","end":"00:48","startHours":23.93806447935501,"endHours":24.8000489891584,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:54","end":"07:31","startHours":5.904172910731281,"endHours":7.520393866612637,"quality":"inauspicious"},{"name":"Udveg","start":"07:31","end":"09:08","startHours":7.520393866612637,"endHours":9.136614822493993,"quality":"inauspicious"},{"name":"Chala","start":"09:08","end":"10:45","startHours":9.136614822493993,"endHours":10.75283577837535,"quality":"neutral"},{"name":"Labha","start":"10:45","end":"12:22","startHours":10.75283577837535,"endHours":12.369056734256706,"quality":"auspicious"},{"name":"Amṛta","start":"12:22","end":"13:59","startHours":12.369056734256706,"endHours":13.985277690138062,"quality":"auspicious"},{"name":"Kāla","start":"13:59","end":"15:36","startHours":13.985277690138062,"endHours":15.601498646019419,"quality":"inauspicious"},{"name":"Śubha","start":"15:36","end":"17:13","startHours":15.601498646019419,"endHours":17.217719601900775,"quality":"auspicious"},{"name":"Roga","start":"17:13","end":"18:50","startHours":17.217719601900775,"endHours":18.83394055778213,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:50","end":"20:13","startHours":18.83394055778213,"endHours":20.217719601900775,"quality":"inauspicious"},{"name":"Śubha","start":"20:13","end":"21:36","startHours":20.217719601900775,"endHours":21.60149864601942,"quality":"auspicious"},{"name":"Roga","start":"21:36","end":"22:59","startHours":21.60149864601942,"endHours":22.985277690138062,"quality":"inauspicious"},{"name":"Udveg","start":"22:59","end":"00:22","startHours":22.985277690138062,"endHours":24.369056734256706,"quality":"inauspicious"},{"name":"Chala","start":"00:22","end":"01:45","startHours":24.369056734256706,"endHours":25.75283577837535,"quality":"neutral"},{"name":"Labha","start":"01:45","end":"03:08","startHours":25.75283577837535,"endHours":27.136614822493993,"quality":"auspicious"},{"name":"Amṛta","start":"03:08","end":"04:31","startHours":27.136614822493993,"endHours":28.520393866612636,"quality":"auspicious"},{"name":"Kāla","start":"04:31","end":"05:54","startHours":28.520393866612636,"endHours":29.90417291073128,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:54","end":"06:54","startHours":5.904172910731281,"endHours":6.904172910731281,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:54","end":"07:54","startHours":6.904172910731281,"endHours":7.904172910731281,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:54","end":"08:54","startHours":7.904172910731281,"endHours":8.90417291073128,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:54","end":"09:54","startHours":8.90417291073128,"endHours":9.90417291073128,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:54","end":"10:54","startHours":9.90417291073128,"endHours":10.90417291073128,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:54","end":"11:54","startHours":10.90417291073128,"endHours":11.90417291073128,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:54","end":"12:54","startHours":11.90417291073128,"endHours":12.90417291073128,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:54","end":"13:54","startHours":12.90417291073128,"endHours":13.90417291073128,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:54","end":"14:54","startHours":13.90417291073128,"endHours":14.90417291073128,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:54","end":"15:54","startHours":14.90417291073128,"endHours":15.90417291073128,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:54","end":"16:54","startHours":15.90417291073128,"endHours":16.90417291073128,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:54","end":"17:54","startHours":16.90417291073128,"endHours":17.90417291073128,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:54","end":"18:54","startHours":17.90417291073128,"endHours":18.90417291073128,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:54","end":"19:54","startHours":18.90417291073128,"endHours":19.90417291073128,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:54","end":"20:54","startHours":19.90417291073128,"endHours":20.90417291073128,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:54","end":"21:54","startHours":20.90417291073128,"endHours":21.90417291073128,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:54","end":"22:54","startHours":21.90417291073128,"endHours":22.90417291073128,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:54","end":"23:54","startHours":22.90417291073128,"endHours":23.90417291073128,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:54","end":"00:54","startHours":23.90417291073128,"endHours":24.90417291073128,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:54","end":"01:54","startHours":24.90417291073128,"endHours":25.90417291073128,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:54","end":"02:54","startHours":25.90417291073128,"endHours":26.90417291073128,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:54","end":"03:54","startHours":26.90417291073128,"endHours":27.90417291073128,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:54","end":"04:54","startHours":27.90417291073128,"endHours":28.90417291073128,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:54","end":"05:54","startHours":28.90417291073128,"endHours":29.90417291073128,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"North-West","rahuVasa":"North","anandadiYoga":{"name":"Amṛta","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":10.884072331644031,"eotMinutes":-1.7074040554023546,"ayanamsa":23.8341}},"calendars":{"vikram_samvat":2055,"vikram_samvatsara":"Khara","saka_samvat":1920,"saka_samvatsara":"Bahudhānya","bengali_samvat":1405,"malayalam_era":1174,"nanakshahi_year":529,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Caturthī · Vikram 2055 Khara · Śaka 1920 Bahudhānya"},"festivals":[{"id":"ganesha-chaturthi","name":"Gaṇeśa Caturthī","name_sanskrit":"गणेश चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Gaṇeśa's birth day; 11-day festival in Maharashtra.","vrata":false,"detection":{"tithi_number":4,"tithi_paksha":"Śukla","lunar_month":"Bhādrapada"},"precedence":1},{"id":"angarika-chaturthi","name":"Aṅgāraka Caturthī (Tuesday Caturthī)","name_sanskrit":"अङ्गारक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa + Maṅgala","significance":"Tuesday-Caturthī (rare); supremely auspicious for Maṅgala-doṣa-nivāraṇa.","vrata":true,"detection":{"any_of":[{"tithi_number":4,"vara_name":"Maṅgalavāra (Tuesday)"},{"tithi_number":19,"vara_name":"Maṅgalavāra (Tuesday)"}]},"precedence":3},{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"noida"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga August 25, 1998 CE · Noida, Uttar Pradesh · Vidhyamitra","description":"August 25, 1998 CE for Noida, Uttar Pradesh: Śukla Caturthī, sūryodaya 05:54, sūryāsta 18:50.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/noida/1998-08-25","hreflang_alternates":{"en":"https://vidhyamitra.com/city/noida/1998-08-25","sa":"https://sa.vidhyamitra.com/city/noida/1998-08-25","hi":"https://hi.vidhyamitra.com/city/noida/1998-08-25","x-default":"https://vidhyamitra.com/city/noida/1998-08-25"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T05:20:04.121Z","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":"2026-06-02T05:20:04.121Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T05:20:04.121Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}