{"id":"vidhyamitra:city-day:mathura:2099-08-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/mathura/2099-08-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2099-08-18","date_display":"August 18, 2099 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":2099,"month":8,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2487933.770833,"kali_year":5201,"ahargana":1899468.2708,"sun":{"sidereal_longitude":119.3728,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":140.523,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":21.1502,"elapsed_within_tithi_degrees":9.1502},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3,"moon_longitude":140.523,"elapsed_within_degrees":7.1896},"yoga":{"number":20,"name":"Śiva","sum_longitude":259.8957},"karana":{"half_tithi_index":3,"name":"Kaulava"},"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":2099,"month":8,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2487933.770833,"ahargana":1899468.2708,"kali_year":5201,"ayanamsa_lahiri":25.2447,"grahas":{"sun":{"sidereal_longitude":120.23589200000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":143.57879200000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false,"latitude":1.2774},"mars":{"sidereal_longitude":0.9195920000000228,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":true},"mercury":{"sidereal_longitude":119.68559200000004,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":148.672892,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":126.09589199999999,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":164.74589200000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":337.0301,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":157.0301,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","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":2099,"month":8,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2487933.770833,"kali_year":5201,"ahargana":1899468.2708,"sun":{"sidereal_longitude":119.3728,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":140.523,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":21.1502,"elapsed_within_tithi_degrees":9.1502},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3,"moon_longitude":140.523,"elapsed_within_degrees":7.1896},"yoga":{"number":20,"name":"Śiva","sum_longitude":259.8957},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.277,"elongation":21.15},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.277,"opposition_distance":158.85}},"eclipse_window_40days":[]},"city":{"slug":"mathura","name":"Mathurā","lat":27.4924,"lon":77.6737,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"mathura","name":"Mathurā","lat":27.4924,"lon":77.6737,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"05:51","sunsetLocal":"18:54","solarNoonLocal":"12:23","dayLengthHours":13.051536985714899,"dayLengthDisplay":"13 Hours 03 Mins 06 Secs","nightLengthDisplay":"10 Hours 56 Mins 54 Secs","moonriseLocal":"07:44","moonsetLocal":"20:08","rahuKala":{"name":"Rāhu Kāla","start":"15:39","end":"17:16","startHours":15.64343854177723,"endHours":17.274880664991592,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:07","end":"10:45","startHours":9.11767004891978,"endHours":10.749112172134144,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:23","end":"14:01","startHours":12.380554295348507,"endHours":14.011996418562868,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:54","end":"09:20","startHours":8.9001444324912,"endHours":9.335195665348362,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:24","end":"06:45","startHours":6.39859984356251,"endHours":6.746640829848241,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:57","end":"12:49","startHours":11.945503062491344,"endHours":12.81560552820567,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:07","end":"04:59","startHours":4.114580871062403,"endHours":4.98468333677673,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:46","end":"05:51","startHours":4.767157720348148,"endHours":5.854785802491056,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:33","end":"15:26","startHours":14.555810459634323,"endHours":15.42591292534865,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:42","end":"19:06","startHours":18.706322788205956,"endHours":19.106322788205954,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:54","end":"19:27","startHours":18.906322788205955,"endHours":19.450136829277408,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:39","end":"20:24","startHours":18.656322788205955,"endHours":20.406322788205955,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:57","end":"00:49","startHours":23.945503062491344,"endHours":24.81560552820567,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:51","end":"07:29","startHours":5.854785802491056,"endHours":7.4862279257054185,"quality":"inauspicious"},{"name":"Udveg","start":"07:29","end":"09:07","startHours":7.4862279257054185,"endHours":9.11767004891978,"quality":"inauspicious"},{"name":"Chala","start":"09:07","end":"10:45","startHours":9.11767004891978,"endHours":10.749112172134144,"quality":"neutral"},{"name":"Labha","start":"10:45","end":"12:23","startHours":10.749112172134144,"endHours":12.380554295348507,"quality":"auspicious"},{"name":"Amṛta","start":"12:23","end":"14:01","startHours":12.380554295348507,"endHours":14.011996418562868,"quality":"auspicious"},{"name":"Kāla","start":"14:01","end":"15:39","startHours":14.011996418562868,"endHours":15.64343854177723,"quality":"inauspicious"},{"name":"Śubha","start":"15:39","end":"17:16","startHours":15.64343854177723,"endHours":17.274880664991592,"quality":"auspicious"},{"name":"Roga","start":"17:16","end":"18:54","startHours":17.274880664991592,"endHours":18.906322788205955,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:54","end":"20:16","startHours":18.906322788205955,"endHours":20.274880664991592,"quality":"inauspicious"},{"name":"Śubha","start":"20:16","end":"21:39","startHours":20.274880664991592,"endHours":21.64343854177723,"quality":"auspicious"},{"name":"Roga","start":"21:39","end":"23:01","startHours":21.64343854177723,"endHours":23.011996418562866,"quality":"inauspicious"},{"name":"Udveg","start":"23:01","end":"00:23","startHours":23.011996418562866,"endHours":24.380554295348507,"quality":"inauspicious"},{"name":"Chala","start":"00:23","end":"01:45","startHours":24.380554295348507,"endHours":25.749112172134144,"quality":"neutral"},{"name":"Labha","start":"01:45","end":"03:07","startHours":25.749112172134144,"endHours":27.11767004891978,"quality":"auspicious"},{"name":"Amṛta","start":"03:07","end":"04:29","startHours":27.11767004891978,"endHours":28.48622792570542,"quality":"auspicious"},{"name":"Kāla","start":"04:29","end":"05:51","startHours":28.48622792570542,"endHours":29.854785802491058,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:51","end":"06:51","startHours":5.854785802491056,"endHours":6.854785802491056,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:51","end":"07:51","startHours":6.854785802491056,"endHours":7.854785802491056,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:51","end":"08:51","startHours":7.854785802491056,"endHours":8.854785802491056,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:51","end":"09:51","startHours":8.854785802491056,"endHours":9.854785802491056,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:51","end":"10:51","startHours":9.854785802491056,"endHours":10.854785802491056,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:51","end":"11:51","startHours":10.854785802491056,"endHours":11.854785802491056,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:51","end":"12:51","startHours":11.854785802491056,"endHours":12.854785802491056,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:51","end":"13:51","startHours":12.854785802491056,"endHours":13.854785802491056,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:51","end":"14:51","startHours":13.854785802491056,"endHours":14.854785802491056,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:51","end":"15:51","startHours":14.854785802491056,"endHours":15.854785802491056,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:51","end":"16:51","startHours":15.854785802491056,"endHours":16.854785802491058,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:51","end":"17:51","startHours":16.854785802491058,"endHours":17.854785802491058,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:51","end":"18:51","startHours":17.854785802491058,"endHours":18.854785802491058,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:51","end":"19:51","startHours":18.854785802491058,"endHours":19.854785802491058,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:51","end":"20:51","startHours":19.854785802491058,"endHours":20.854785802491058,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:51","end":"21:51","startHours":20.854785802491058,"endHours":21.854785802491058,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:51","end":"22:51","startHours":21.854785802491058,"endHours":22.854785802491058,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:51","end":"23:51","startHours":22.854785802491058,"endHours":23.854785802491058,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:51","end":"00:51","startHours":23.854785802491058,"endHours":24.854785802491058,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:51","end":"01:51","startHours":24.854785802491058,"endHours":25.854785802491058,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:51","end":"02:51","startHours":25.854785802491058,"endHours":26.854785802491058,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:51","end":"03:51","startHours":26.854785802491058,"endHours":27.854785802491058,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:51","end":"04:51","startHours":27.854785802491058,"endHours":28.854785802491058,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:51","end":"05:51","startHours":28.854785802491058,"endHours":29.854785802491058,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"West","rahuVasa":"North","anandadiYoga":{"name":"Siddhi","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":13.025763475006285,"eotMinutes":-3.5280577209103767,"ayanamsa":25.2447}},"calendars":{"vikram_samvat":2156,"vikram_samvatsara":"Aṅgirasa","saka_samvat":2021,"saka_samvatsara":"Siddhārthī","bengali_samvat":1506,"malayalam_era":1275,"nanakshahi_year":630,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Dvitīyā · Vikram 2156 Aṅgirasa · Śaka 2021 Siddhārthī"},"festivals":[{"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":"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":"mathura"},"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, 2099 CE · Mathurā · Vidhyamitra","description":"August 18, 2099 CE for Mathurā: Śukla Dvitīyā, sūryodaya 05:51, sūryāsta 18:54.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/mathura/2099-08-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/mathura/2099-08-18","sa":"https://sa.vidhyamitra.com/city/mathura/2099-08-18","hi":"https://hi.vidhyamitra.com/city/mathura/2099-08-18","x-default":"https://vidhyamitra.com/city/mathura/2099-08-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T14:58:19.114Z","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":"2026-05-14T14:58:19.114Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T14:58:19.114Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}