{"id":"vidhyamitra:city-day:phoenix:2099-08-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/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":"phoenix","name":"Phoenix, USA","lat":33.4484,"lon":-112.074,"tz_offset_hours":-7,"country":"US","tier":"diaspora"},"tier2":{"city":{"slug":"phoenix","name":"Phoenix, USA","lat":33.4484,"lon":-112.074,"tz_offset_hours":-7,"country":"US","tier":"diaspora"},"sunriseLocal":"05:53","sunsetLocal":"19:11","solarNoonLocal":"12:32","dayLengthHours":13.310518577563613,"dayLengthDisplay":"13 Hours 18 Mins 38 Secs","nightLengthDisplay":"10 Hours 41 Mins 22 Secs","moonriseLocal":"07:51","moonsetLocal":"20:20","rahuKala":{"name":"Rāhu Kāla","start":"15:51","end":"17:31","startHours":15.858030606406075,"endHours":17.521845428601527,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:12","end":"10:52","startHours":9.202771317624268,"endHours":10.86658613981972,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:32","end":"14:12","startHours":12.530400962015172,"endHours":14.194215784210623,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:59","end":"09:25","startHours":8.980929341331542,"endHours":9.424613293916995,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:26","end":"06:47","startHours":6.429746613965182,"endHours":6.784693776033546,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:05","end":"12:58","startHours":12.086717009429718,"endHours":12.974084914600626,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:06","end":"04:59","startHours":4.1004058628915505,"endHours":4.987773768062458,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:46","end":"05:53","startHours":4.765931791769731,"endHours":5.875141673233365,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:45","end":"15:38","startHours":14.74882072494244,"endHours":15.636188630113349,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:59","end":"19:23","startHours":18.98566025079698,"endHours":19.385660250796978,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:11","end":"19:44","startHours":19.18566025079698,"endHours":19.740265191528795,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:56","end":"20:41","startHours":18.93566025079698,"endHours":20.68566025079698,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:05","end":"00:58","startHours":24.08671700942972,"endHours":24.974084914600624,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:53","end":"07:32","startHours":5.875141673233365,"endHours":7.538956495428817,"quality":"inauspicious"},{"name":"Udveg","start":"07:32","end":"09:12","startHours":7.538956495428817,"endHours":9.202771317624268,"quality":"inauspicious"},{"name":"Chala","start":"09:12","end":"10:52","startHours":9.202771317624268,"endHours":10.86658613981972,"quality":"neutral"},{"name":"Labha","start":"10:52","end":"12:32","startHours":10.86658613981972,"endHours":12.530400962015172,"quality":"auspicious"},{"name":"Amṛta","start":"12:32","end":"14:12","startHours":12.530400962015172,"endHours":14.194215784210623,"quality":"auspicious"},{"name":"Kāla","start":"14:12","end":"15:51","startHours":14.194215784210623,"endHours":15.858030606406075,"quality":"inauspicious"},{"name":"Śubha","start":"15:51","end":"17:31","startHours":15.858030606406075,"endHours":17.521845428601527,"quality":"auspicious"},{"name":"Roga","start":"17:31","end":"19:11","startHours":17.521845428601527,"endHours":19.18566025079698,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"19:11","end":"20:31","startHours":19.18566025079698,"endHours":20.521845428601527,"quality":"inauspicious"},{"name":"Śubha","start":"20:31","end":"21:51","startHours":20.521845428601527,"endHours":21.858030606406075,"quality":"auspicious"},{"name":"Roga","start":"21:51","end":"23:12","startHours":21.858030606406075,"endHours":23.194215784210623,"quality":"inauspicious"},{"name":"Udveg","start":"23:12","end":"00:32","startHours":23.194215784210623,"endHours":24.53040096201517,"quality":"inauspicious"},{"name":"Chala","start":"00:32","end":"01:52","startHours":24.53040096201517,"endHours":25.86658613981972,"quality":"neutral"},{"name":"Labha","start":"01:52","end":"03:12","startHours":25.86658613981972,"endHours":27.20277131762427,"quality":"auspicious"},{"name":"Amṛta","start":"03:12","end":"04:32","startHours":27.20277131762427,"endHours":28.538956495428817,"quality":"auspicious"},{"name":"Kāla","start":"04:32","end":"05:53","startHours":28.538956495428817,"endHours":29.875141673233365,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:53","end":"06:53","startHours":5.875141673233365,"endHours":6.875141673233365,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:53","end":"07:53","startHours":6.875141673233365,"endHours":7.875141673233365,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:53","end":"08:53","startHours":7.875141673233365,"endHours":8.875141673233365,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:53","end":"09:53","startHours":8.875141673233365,"endHours":9.875141673233365,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:53","end":"10:53","startHours":9.875141673233365,"endHours":10.875141673233365,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:53","end":"11:53","startHours":10.875141673233365,"endHours":11.875141673233365,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:53","end":"12:53","startHours":11.875141673233365,"endHours":12.875141673233365,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:53","end":"13:53","startHours":12.875141673233365,"endHours":13.875141673233365,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:53","end":"14:53","startHours":13.875141673233365,"endHours":14.875141673233365,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:53","end":"15:53","startHours":14.875141673233365,"endHours":15.875141673233365,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:53","end":"16:53","startHours":15.875141673233365,"endHours":16.875141673233365,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:53","end":"17:53","startHours":16.875141673233365,"endHours":17.875141673233365,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:53","end":"18:53","startHours":17.875141673233365,"endHours":18.875141673233365,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:53","end":"19:53","startHours":18.875141673233365,"endHours":19.875141673233365,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:53","end":"20:53","startHours":19.875141673233365,"endHours":20.875141673233365,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:53","end":"21:53","startHours":20.875141673233365,"endHours":21.875141673233365,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:53","end":"22:53","startHours":21.875141673233365,"endHours":22.875141673233365,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:53","end":"23:53","startHours":22.875141673233365,"endHours":23.875141673233365,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:53","end":"00:53","startHours":23.875141673233365,"endHours":24.875141673233365,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:53","end":"01:53","startHours":24.875141673233365,"endHours":25.875141673233365,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:53","end":"02:53","startHours":25.875141673233365,"endHours":26.875141673233365,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:53","end":"03:53","startHours":26.875141673233365,"endHours":27.875141673233365,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:53","end":"04:53","startHours":27.875141673233365,"endHours":28.875141673233365,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:53","end":"05:53","startHours":28.875141673233365,"endHours":29.875141673233365,"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"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","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":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Śrāvaṇa","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":"Śrāvaṇa 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_ingress":"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":"phoenix"},"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 · Phoenix, USA · Vidhyamitra","description":"August 18, 2099 CE for Phoenix, USA: Śukla Dvitīyā, sūryodaya 05:53, sūryāsta 19:11.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2099-08-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2099-08-18","sa":"https://sa.vidhyamitra.com/city/phoenix/2099-08-18","hi":"https://hi.vidhyamitra.com/city/phoenix/2099-08-18","x-default":"https://vidhyamitra.com/city/phoenix/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":"2026-06-03T08:43:51.111Z","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":"2026-06-03T08:43:51.111Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T08:43:51.111Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}