{"id":"vidhyamitra:city-day:noida:2018-08-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/noida/2018-08-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2018-08-18","date_display":"August 18, 2018 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":2018,"month":8,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458348.770833,"kali_year":5120,"ahargana":1869883.2708,"sun":{"sidereal_longitude":120.2904,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":204.5998,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":84.3094,"elapsed_within_tithi_degrees":0.3094},"nakshatra":{"number":16,"name":"Viśākhā","pada":2,"moon_longitude":204.5998,"elapsed_within_degrees":4.5998},"yoga":{"number":25,"name":"Brahma","sum_longitude":324.8902},"karana":{"half_tithi_index":14,"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":2018,"month":8,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2458348.770833,"ahargana":1869883.2708,"kali_year":5120,"ayanamsa_lahiri":24.1132,"grahas":{"sun":{"sidereal_longitude":120.96205600000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":207.61555599999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false,"latitude":4.4313},"mars":{"sidereal_longitude":274.86255600000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":107.220756,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":201.25145599999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":166.61165600000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":248.61665600000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":104.5858,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":284.5858,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","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":2018,"month":8,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458348.770833,"kali_year":5120,"ahargana":1869883.2708,"sun":{"sidereal_longitude":120.2904,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":204.5998,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":84.3094,"elapsed_within_tithi_degrees":0.3094},"nakshatra":{"number":16,"name":"Viśākhā","pada":2,"moon_longitude":204.5998,"elapsed_within_degrees":4.5998},"yoga":{"number":25,"name":"Brahma","sum_longitude":324.8902},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.431,"elongation":84.309},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.431,"opposition_distance":95.691}},"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":"05:51","sunsetLocal":"18:57","solarNoonLocal":"12:24","dayLengthHours":13.10507309002516,"dayLengthDisplay":"13 Hours 06 Mins 18 Secs","nightLengthDisplay":"10 Hours 53 Mins 42 Secs","moonriseLocal":"12:49","moonsetLocal":"23:32","rahuKala":{"name":"Rāhu Kāla","start":"09:07","end":"10:46","startHours":9.12313268950888,"endHours":10.761266825762025,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:02","end":"15:41","startHours":14.037535098268316,"endHours":15.675669234521461,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:51","end":"07:29","startHours":5.846864417002591,"endHours":7.4849985532557355,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:54","end":"09:20","startHours":8.904714804675129,"endHours":9.341550574342634,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:24","end":"06:45","startHours":6.392909129086973,"endHours":6.742377744820977,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:58","end":"12:50","startHours":11.962565192347666,"endHours":12.836236731682677,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:06","end":"04:58","startHours":4.099521338332569,"endHours":4.9731928776675804,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:45","end":"05:51","startHours":4.754774992833827,"endHours":5.846864417002591,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:35","end":"15:27","startHours":14.583579810352697,"endHours":15.457251349687708,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:45","end":"19:09","startHours":18.75193750702775,"endHours":19.15193750702775,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:57","end":"19:30","startHours":18.95193750702775,"endHours":19.49798221911213,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:42","end":"20:27","startHours":18.70193750702775,"endHours":20.45193750702775,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:58","end":"00:50","startHours":23.962565192347665,"endHours":24.83623673168268,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:51","end":"07:29","startHours":5.846864417002591,"endHours":7.4849985532557355,"quality":"inauspicious"},{"name":"Śubha","start":"07:29","end":"09:07","startHours":7.4849985532557355,"endHours":9.12313268950888,"quality":"auspicious"},{"name":"Roga","start":"09:07","end":"10:46","startHours":9.12313268950888,"endHours":10.761266825762025,"quality":"inauspicious"},{"name":"Udveg","start":"10:46","end":"12:24","startHours":10.761266825762025,"endHours":12.399400962015172,"quality":"inauspicious"},{"name":"Chala","start":"12:24","end":"14:02","startHours":12.399400962015172,"endHours":14.037535098268316,"quality":"neutral"},{"name":"Labha","start":"14:02","end":"15:41","startHours":14.037535098268316,"endHours":15.675669234521461,"quality":"auspicious"},{"name":"Amṛta","start":"15:41","end":"17:19","startHours":15.675669234521461,"endHours":17.313803370774608,"quality":"auspicious"},{"name":"Kāla","start":"17:19","end":"18:57","startHours":17.313803370774608,"endHours":18.95193750702775,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:57","end":"20:19","startHours":18.95193750702775,"endHours":20.313803370774604,"quality":"auspicious"},{"name":"Amṛta","start":"20:19","end":"21:41","startHours":20.313803370774604,"endHours":21.67566923452146,"quality":"auspicious"},{"name":"Kāla","start":"21:41","end":"23:02","startHours":21.67566923452146,"endHours":23.037535098268314,"quality":"inauspicious"},{"name":"Śubha","start":"23:02","end":"00:24","startHours":23.037535098268314,"endHours":24.39940096201517,"quality":"auspicious"},{"name":"Roga","start":"00:24","end":"01:46","startHours":24.39940096201517,"endHours":25.761266825762025,"quality":"inauspicious"},{"name":"Udveg","start":"01:46","end":"03:07","startHours":25.761266825762025,"endHours":27.12313268950888,"quality":"inauspicious"},{"name":"Chala","start":"03:07","end":"04:29","startHours":27.12313268950888,"endHours":28.484998553255735,"quality":"neutral"},{"name":"Labha","start":"04:29","end":"05:51","startHours":28.484998553255735,"endHours":29.846864417002593,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:51","end":"06:51","startHours":5.846864417002591,"endHours":6.846864417002591,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:51","end":"07:51","startHours":6.846864417002591,"endHours":7.846864417002591,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:51","end":"08:51","startHours":7.846864417002591,"endHours":8.84686441700259,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:51","end":"09:51","startHours":8.84686441700259,"endHours":9.84686441700259,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:51","end":"10:51","startHours":9.84686441700259,"endHours":10.84686441700259,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:51","end":"11:51","startHours":10.84686441700259,"endHours":11.84686441700259,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:51","end":"12:51","startHours":11.84686441700259,"endHours":12.84686441700259,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:51","end":"13:51","startHours":12.84686441700259,"endHours":13.84686441700259,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:51","end":"14:51","startHours":13.84686441700259,"endHours":14.84686441700259,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:51","end":"15:51","startHours":14.84686441700259,"endHours":15.84686441700259,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:51","end":"16:51","startHours":15.84686441700259,"endHours":16.846864417002593,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:51","end":"17:51","startHours":16.846864417002593,"endHours":17.846864417002593,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:51","end":"18:51","startHours":17.846864417002593,"endHours":18.846864417002593,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:51","end":"19:51","startHours":18.846864417002593,"endHours":19.846864417002593,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:51","end":"20:51","startHours":19.846864417002593,"endHours":20.846864417002593,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:51","end":"21:51","startHours":20.846864417002593,"endHours":21.846864417002593,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:51","end":"22:51","startHours":21.846864417002593,"endHours":22.846864417002593,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:51","end":"23:51","startHours":22.846864417002593,"endHours":23.846864417002593,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:51","end":"00:51","startHours":23.846864417002593,"endHours":24.846864417002593,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:51","end":"01:51","startHours":24.846864417002593,"endHours":25.846864417002593,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:51","end":"02:51","startHours":25.846864417002593,"endHours":26.846864417002593,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:51","end":"03:51","startHours":26.846864417002593,"endHours":27.846864417002593,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:51","end":"04:51","startHours":27.846864417002593,"endHours":28.846864417002593,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:51","end":"05:51","startHours":28.846864417002593,"endHours":29.846864417002593,"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)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":13.161807104473706,"eotMinutes":-3.5280577209103767,"ayanamsa":24.1132}},"calendars":{"vikram_samvat":2075,"vikram_samvatsara":"Virodhakṛt","saka_samvat":1940,"saka_samvatsara":"Vilambī","bengali_samvat":1425,"malayalam_era":1194,"nanakshahi_year":549,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Aṣṭamī · Vikram 2075 Virodhakṛt · Śaka 1940 Vilambī"},"festivals":[{"id":"radhashtami","name":"Rādhāṣṭamī","name_sanskrit":"राधाष्टमी","tradition":"Vaishnava","associated_deity":"Śrī Rādhā (Krishna's hlādinī-śakti)","significance":"Manifestation of Śrī Rādhā at Barsānā — Krishna's ādi-śakti.","vrata":true,"detection":{"tithi_number":8,"tithi_paksha":"Śukla","lunar_month":"Bhādrapada"},"precedence":2,"sources":["Padma Purāṇa","Brahma-Vaivarta Purāṇa"]},{"id":"simha-sankranti","name":"Siṁha Saṅkrānti","name_sanskrit":"सिंह सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Leo.","vrata":false,"detection":{"sun_rashi":"Siṃha"},"precedence":5}],"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":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","url":"/day/-3137-12-25","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 18, 2018 CE · Noida, Uttar Pradesh · Vidhyamitra","description":"August 18, 2018 CE for Noida, Uttar Pradesh: Śukla Aṣṭamī, sūryodaya 05:51, sūryāsta 18:57.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/noida/2018-08-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/noida/2018-08-18","sa":"https://sa.vidhyamitra.com/city/noida/2018-08-18","hi":"https://hi.vidhyamitra.com/city/noida/2018-08-18","x-default":"https://vidhyamitra.com/city/noida/2018-08-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T11:49:02.126Z","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":"2026-05-15T11:49:02.126Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T11:49:02.126Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}