{"id":"vidhyamitra:city-day:noida:1998-08-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/noida/1998-08-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1998-08-01","date_display":"August 1, 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":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451026.770833,"kali_year":5100,"ahargana":1862561.2708,"sun":{"sidereal_longitude":104.2478,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":201.6262,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":97.3784,"elapsed_within_tithi_degrees":1.3784},"nakshatra":{"number":16,"name":"Viśākhā","pada":1,"moon_longitude":201.6262,"elapsed_within_degrees":1.6262},"yoga":{"number":23,"name":"Śubha","sum_longitude":305.874},"karana":{"half_tithi_index":16,"name":"Bālava"},"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":8,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2451026.770833,"ahargana":1862561.2708,"kali_year":5100,"ayanamsa_lahiri":23.8332,"grahas":{"sun":{"sidereal_longitude":104.78011099999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"moon":{"sidereal_longitude":200.57271100000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false,"latitude":4.203},"mars":{"sidereal_longitude":83.337511,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":124.50681099999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":333.9047109999999,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":81.17411099999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":9.563711000000012,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":132.5406,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":312.5406,"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":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451026.770833,"kali_year":5100,"ahargana":1862561.2708,"sun":{"sidereal_longitude":104.2478,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":201.6262,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":97.3784,"elapsed_within_tithi_degrees":1.3784},"nakshatra":{"number":16,"name":"Viśākhā","pada":1,"moon_longitude":201.6262,"elapsed_within_degrees":1.6262},"yoga":{"number":23,"name":"Śubha","sum_longitude":305.874},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.203,"elongation":97.378},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.203,"opposition_distance":82.622}},"eclipse_window_40days":[]},"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":"05:41","sunsetLocal":"19:11","solarNoonLocal":"12:26","dayLengthHours":13.500874799656856,"dayLengthDisplay":"13 Hours 30 Mins 03 Secs","nightLengthDisplay":"10 Hours 29 Mins 57 Secs","moonriseLocal":"13:23","moonsetLocal":"00:16","rahuKala":{"name":"Rāhu Kāla","start":"09:04","end":"10:45","startHours":9.06567579786429,"endHours":10.753285147821398,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:08","end":"15:49","startHours":14.128503847735612,"endHours":15.816113197692719,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:41","end":"07:23","startHours":5.690457097950077,"endHours":7.378066447907184,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:50","end":"09:17","startHours":8.84066121787001,"endHours":9.29069037785857,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:15","end":"06:37","startHours":6.252993547935779,"endHours":6.613016875926629,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:59","end":"12:53","startHours":11.990865337789943,"endHours":12.890923657767067,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:53","end":"04:47","startHours":3.8903404579958294,"endHours":4.790398777972953,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:34","end":"05:41","startHours":4.5653841979786725,"endHours":5.690457097950077,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:41","end":"15:35","startHours":14.691040297721313,"endHours":15.591098617698437,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:59","end":"19:23","startHours":18.991331897606933,"endHours":19.391331897606932,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:11","end":"19:45","startHours":19.191331897606933,"endHours":19.753868347592636,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:56","end":"20:41","startHours":18.941331897606933,"endHours":20.691331897606933,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:59","end":"00:53","startHours":23.99086533778994,"endHours":24.89092365776707,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:41","end":"07:23","startHours":5.690457097950077,"endHours":7.378066447907184,"quality":"inauspicious"},{"name":"Śubha","start":"07:23","end":"09:04","startHours":7.378066447907184,"endHours":9.06567579786429,"quality":"auspicious"},{"name":"Roga","start":"09:04","end":"10:45","startHours":9.06567579786429,"endHours":10.753285147821398,"quality":"inauspicious"},{"name":"Udveg","start":"10:45","end":"12:26","startHours":10.753285147821398,"endHours":12.440894497778505,"quality":"inauspicious"},{"name":"Chala","start":"12:26","end":"14:08","startHours":12.440894497778505,"endHours":14.128503847735612,"quality":"neutral"},{"name":"Labha","start":"14:08","end":"15:49","startHours":14.128503847735612,"endHours":15.816113197692719,"quality":"auspicious"},{"name":"Amṛta","start":"15:49","end":"17:30","startHours":15.816113197692719,"endHours":17.503722547649826,"quality":"auspicious"},{"name":"Kāla","start":"17:30","end":"19:11","startHours":17.503722547649826,"endHours":19.191331897606933,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"19:11","end":"20:30","startHours":19.191331897606933,"endHours":20.503722547649826,"quality":"auspicious"},{"name":"Amṛta","start":"20:30","end":"21:49","startHours":20.503722547649826,"endHours":21.81611319769272,"quality":"auspicious"},{"name":"Kāla","start":"21:49","end":"23:08","startHours":21.81611319769272,"endHours":23.12850384773561,"quality":"inauspicious"},{"name":"Śubha","start":"23:08","end":"00:26","startHours":23.12850384773561,"endHours":24.440894497778505,"quality":"auspicious"},{"name":"Roga","start":"00:26","end":"01:45","startHours":24.440894497778505,"endHours":25.753285147821398,"quality":"inauspicious"},{"name":"Udveg","start":"01:45","end":"03:04","startHours":25.753285147821398,"endHours":27.06567579786429,"quality":"inauspicious"},{"name":"Chala","start":"03:04","end":"04:23","startHours":27.06567579786429,"endHours":28.378066447907184,"quality":"neutral"},{"name":"Labha","start":"04:23","end":"05:41","startHours":28.378066447907184,"endHours":29.690457097950077,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:41","end":"06:41","startHours":5.690457097950077,"endHours":6.690457097950077,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:41","end":"07:41","startHours":6.690457097950077,"endHours":7.690457097950077,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:41","end":"08:41","startHours":7.690457097950077,"endHours":8.690457097950077,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:41","end":"09:41","startHours":8.690457097950077,"endHours":9.690457097950077,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:41","end":"10:41","startHours":9.690457097950077,"endHours":10.690457097950077,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:41","end":"11:41","startHours":10.690457097950077,"endHours":11.690457097950077,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:41","end":"12:41","startHours":11.690457097950077,"endHours":12.690457097950077,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:41","end":"13:41","startHours":12.690457097950077,"endHours":13.690457097950077,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:41","end":"14:41","startHours":13.690457097950077,"endHours":14.690457097950077,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:41","end":"15:41","startHours":14.690457097950077,"endHours":15.690457097950077,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:41","end":"16:41","startHours":15.690457097950077,"endHours":16.690457097950077,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:41","end":"17:41","startHours":16.690457097950077,"endHours":17.690457097950077,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:41","end":"18:41","startHours":17.690457097950077,"endHours":18.690457097950077,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:41","end":"19:41","startHours":18.690457097950077,"endHours":19.690457097950077,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:41","end":"20:41","startHours":19.690457097950077,"endHours":20.690457097950077,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:41","end":"21:41","startHours":20.690457097950077,"endHours":21.690457097950077,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:41","end":"22:41","startHours":21.690457097950077,"endHours":22.690457097950077,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:41","end":"23:41","startHours":22.690457097950077,"endHours":23.690457097950077,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:41","end":"00:41","startHours":23.690457097950077,"endHours":24.690457097950077,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:41","end":"01:41","startHours":24.690457097950077,"endHours":25.690457097950077,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:41","end":"02:41","startHours":25.690457097950077,"endHours":26.690457097950077,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:41","end":"03:41","startHours":26.690457097950077,"endHours":27.690457097950077,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:41","end":"04:41","startHours":27.690457097950077,"endHours":28.690457097950077,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:41","end":"05:41","startHours":28.690457097950077,"endHours":29.690457097950077,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"North","rahuVasa":"East","anandadiYoga":{"name":"Maitra","quality":"Auspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":18.10614705106897,"eotMinutes":-6.017669866710306,"ayanamsa":23.8332}},"calendars":{"vikram_samvat":2055,"vikram_samvatsara":"Khara","saka_samvat":1920,"saka_samvatsara":"Bahudhānya","bengali_samvat":1405,"malayalam_era":1174,"nanakshahi_year":529,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Navamī · Vikram 2055 Khara · Śaka 1920 Bahudhānya"},"festivals":[{"id":"karka-sankranti","name":"Karka Saṅkrānti (Dakṣiṇāyana)","name_sanskrit":"कर्क सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Cancer; Dakṣiṇāyana (south-going) begins. Devatā-rātri begins.","vrata":true,"detection":{"sun_rashi":"Karka"},"precedence":2}],"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":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Śukla Navamī","url":"/day/-1626101-04-03","relevance":0.5},{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","url":"/day/-0562-04-11","relevance":0.5}]},"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 1, 1998 CE · Noida, Uttar Pradesh · Vidhyamitra","description":"August 1, 1998 CE for Noida, Uttar Pradesh: Śukla Navamī, sūryodaya 05:41, sūryāsta 19:11.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/noida/1998-08-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/noida/1998-08-01","sa":"https://sa.vidhyamitra.com/city/noida/1998-08-01","hi":"https://hi.vidhyamitra.com/city/noida/1998-08-01","x-default":"https://vidhyamitra.com/city/noida/1998-08-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-17T09:47:30.982Z","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":"2026-05-17T09:47:30.982Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-17T09:47:30.982Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}