{"id":"vidhyamitra:city-day:ujjain:2018-08-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ujjain/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":"ujjain","name":"Ujjain","lat":23.1765,"lon":75.7885,"tz_offset_hours":5.5,"state":"Madhya Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"ujjain","name":"Ujjain","lat":23.1765,"lon":75.7885,"tz_offset_hours":5.5,"state":"Madhya Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"06:04","sunsetLocal":"18:57","solarNoonLocal":"12:30","dayLengthHours":12.890892836785476,"dayLengthDisplay":"12 Hours 53 Mins 27 Secs","nightLengthDisplay":"11 Hours 06 Mins 33 Secs","moonriseLocal":"12:47","moonsetLocal":"23:47","rahuKala":{"name":"Rāhu Kāla","start":"09:17","end":"10:54","startHours":9.283511086152139,"endHours":10.894872690750322,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:07","end":"15:44","startHours":14.11759589994669,"endHours":15.728957504544876,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:04","end":"07:40","startHours":6.060787876955769,"endHours":7.672149481553953,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:04","end":"09:30","startHours":9.068662872205714,"endHours":9.498359300098562,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:36","end":"06:56","startHours":6.59790841182183,"endHours":6.94166555413611,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:05","end":"12:56","startHours":12.076537867455656,"endHours":12.935930723241356,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:21","end":"05:12","startHours":4.342002165384372,"endHours":5.201395021170071,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:59","end":"06:04","startHours":4.986546807223646,"endHours":6.060787876955769,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:39","end":"15:31","startHours":14.654716434812752,"endHours":15.51410929059845,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:45","end":"19:09","startHours":18.751680713741244,"endHours":19.151680713741243,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:57","end":"19:29","startHours":18.951680713741244,"endHours":19.488801248607306,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:42","end":"20:27","startHours":18.701680713741244,"endHours":20.451680713741244,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:05","end":"00:56","startHours":24.076537867455656,"endHours":24.935930723241356,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:04","end":"07:40","startHours":6.060787876955769,"endHours":7.672149481553953,"quality":"inauspicious"},{"name":"Śubha","start":"07:40","end":"09:17","startHours":7.672149481553953,"endHours":9.283511086152139,"quality":"auspicious"},{"name":"Roga","start":"09:17","end":"10:54","startHours":9.283511086152139,"endHours":10.894872690750322,"quality":"inauspicious"},{"name":"Udveg","start":"10:54","end":"12:30","startHours":10.894872690750322,"endHours":12.506234295348506,"quality":"inauspicious"},{"name":"Chala","start":"12:30","end":"14:07","startHours":12.506234295348506,"endHours":14.11759589994669,"quality":"neutral"},{"name":"Labha","start":"14:07","end":"15:44","startHours":14.11759589994669,"endHours":15.728957504544876,"quality":"auspicious"},{"name":"Amṛta","start":"15:44","end":"17:20","startHours":15.728957504544876,"endHours":17.34031910914306,"quality":"auspicious"},{"name":"Kāla","start":"17:20","end":"18:57","startHours":17.34031910914306,"endHours":18.951680713741244,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:57","end":"20:20","startHours":18.951680713741244,"endHours":20.34031910914306,"quality":"auspicious"},{"name":"Amṛta","start":"20:20","end":"21:44","startHours":20.34031910914306,"endHours":21.728957504544873,"quality":"auspicious"},{"name":"Kāla","start":"21:44","end":"23:07","startHours":21.728957504544873,"endHours":23.11759589994669,"quality":"inauspicious"},{"name":"Śubha","start":"23:07","end":"00:30","startHours":23.11759589994669,"endHours":24.506234295348506,"quality":"auspicious"},{"name":"Roga","start":"00:30","end":"01:54","startHours":24.506234295348506,"endHours":25.894872690750322,"quality":"inauspicious"},{"name":"Udveg","start":"01:54","end":"03:17","startHours":25.894872690750322,"endHours":27.28351108615214,"quality":"inauspicious"},{"name":"Chala","start":"03:17","end":"04:40","startHours":27.28351108615214,"endHours":28.67214948155395,"quality":"neutral"},{"name":"Labha","start":"04:40","end":"06:04","startHours":28.67214948155395,"endHours":30.060787876955768,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:04","end":"07:04","startHours":6.060787876955769,"endHours":7.060787876955769,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:04","end":"08:04","startHours":7.060787876955769,"endHours":8.060787876955768,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:04","end":"09:04","startHours":8.060787876955768,"endHours":9.060787876955768,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:04","end":"10:04","startHours":9.060787876955768,"endHours":10.060787876955768,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:04","end":"11:04","startHours":10.060787876955768,"endHours":11.060787876955768,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:04","end":"12:04","startHours":11.060787876955768,"endHours":12.060787876955768,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:04","end":"13:04","startHours":12.060787876955768,"endHours":13.060787876955768,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:04","end":"14:04","startHours":13.060787876955768,"endHours":14.060787876955768,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:04","end":"15:04","startHours":14.060787876955768,"endHours":15.060787876955768,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:04","end":"16:04","startHours":15.060787876955768,"endHours":16.060787876955768,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:04","end":"17:04","startHours":16.060787876955768,"endHours":17.060787876955768,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:04","end":"18:04","startHours":17.060787876955768,"endHours":18.060787876955768,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:04","end":"19:04","startHours":18.060787876955768,"endHours":19.060787876955768,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:04","end":"20:04","startHours":19.060787876955768,"endHours":20.060787876955768,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:04","end":"21:04","startHours":20.060787876955768,"endHours":21.060787876955768,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:04","end":"22:04","startHours":21.060787876955768,"endHours":22.060787876955768,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:04","end":"23:04","startHours":22.060787876955768,"endHours":23.060787876955768,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:04","end":"00:04","startHours":23.060787876955768,"endHours":24.060787876955768,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:04","end":"01:04","startHours":24.060787876955768,"endHours":25.060787876955768,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:04","end":"02:04","startHours":25.060787876955768,"endHours":26.060787876955768,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:04","end":"03:04","startHours":26.060787876955768,"endHours":27.060787876955768,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:04","end":"04:04","startHours":27.060787876955768,"endHours":28.060787876955768,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:04","end":"05:04","startHours":28.060787876955768,"endHours":29.060787876955768,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:04","end":"06:04","startHours":29.060787876955768,"endHours":30.060787876955768,"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":"ujjain"},"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 · Ujjain · Vidhyamitra","description":"August 18, 2018 CE for Ujjain: Śukla Aṣṭamī, sūryodaya 06:04, sūryāsta 18:57.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ujjain/2018-08-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ujjain/2018-08-18","sa":"https://sa.vidhyamitra.com/city/ujjain/2018-08-18","hi":"https://hi.vidhyamitra.com/city/ujjain/2018-08-18","x-default":"https://vidhyamitra.com/city/ujjain/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":"2026-05-15T14:47:15.747Z","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":"2026-05-15T14:47:15.747Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T14:47:15.747Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}