{"id":"vidhyamitra:city-day:perth:2180-08-19:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2180-08-19","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2180-08-19","date_display":"August 19, 2180 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":2180,"month":8,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517519.770833,"kali_year":5282,"ahargana":1929054.2708,"sun":{"sidereal_longitude":119.4117,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":92.0347,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":332.623,"elapsed_within_tithi_degrees":8.623},"nakshatra":{"number":7,"name":"Punarvasu","pada":4,"moon_longitude":92.0347,"elapsed_within_degrees":12.0347},"yoga":{"number":16,"name":"Siddhi","sum_longitude":211.4464},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"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":2180,"month":8,"day":19,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2517519.770833,"ahargana":1929054.2708,"kali_year":5282,"ayanamsa_lahiri":26.3763,"grahas":{"sun":{"sidereal_longitude":120.47218899999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":93.58628899999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false,"latitude":-3.9948},"mars":{"sidereal_longitude":33.773488999999984,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":144.439889,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":98.648189,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"venus":{"sidereal_longitude":78.19148899999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":77.92438900000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":209.4215,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":29.4215,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"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":2180,"month":8,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517519.770833,"kali_year":5282,"ahargana":1929054.2708,"sun":{"sidereal_longitude":119.4117,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":92.0347,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":332.623,"elapsed_within_tithi_degrees":8.623},"nakshatra":{"number":7,"name":"Punarvasu","pada":4,"moon_longitude":92.0347,"elapsed_within_degrees":12.0347},"yoga":{"number":16,"name":"Siddhi","sum_longitude":211.4464},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.995,"elongation":27.377},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.995,"opposition_distance":152.623}},"eclipse_window_40days":[]},"city":{"slug":"perth","name":"Perth, Australia","lat":-31.9505,"lon":115.8605,"tz_offset_hours":8,"country":"AU","tier":"diaspora"},"tier2":{"city":{"slug":"perth","name":"Perth, Australia","lat":-31.9505,"lon":115.8605,"tz_offset_hours":8,"country":"AU","tier":"diaspora"},"sunriseLocal":"06:48","sunsetLocal":"17:52","solarNoonLocal":"12:20","dayLengthHours":11.07010759679468,"dayLengthDisplay":"11 Hours 04 Mins 12 Secs","nightLengthDisplay":"12 Hours 55 Mins 48 Secs","moonriseLocal":"05:22","moonsetLocal":"15:42","rahuKala":{"name":"Rāhu Kāla","start":"09:34","end":"10:57","startHours":9.563330910906789,"endHours":10.947094360506124,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:43","end":"15:06","startHours":13.714621259704794,"endHours":15.09838470930413,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:48","end":"08:11","startHours":6.795804011708119,"endHours":8.179567461307455,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:23","end":"09:45","startHours":9.378829117626879,"endHours":9.7478327041867,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:15","end":"07:33","startHours":7.257058494907898,"endHours":7.552261364155756,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:58","end":"12:42","startHours":11.961854223545636,"endHours":12.69986139666528,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:19","end":"06:03","startHours":5.319789665468829,"endHours":6.057796838588474,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:52","end":"06:48","startHours":5.873295045308563,"endHours":6.795804011708119,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:11","end":"14:55","startHours":14.175875742904573,"endHours":14.913882916024217,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:40","end":"18:04","startHours":17.6659116085028,"endHours":18.065911608502798,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:52","end":"18:20","startHours":17.8659116085028,"endHours":18.327166091702576,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:37","end":"19:22","startHours":17.6159116085028,"endHours":19.3659116085028,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:58","end":"00:42","startHours":23.961854223545632,"endHours":24.69986139666528,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:48","end":"08:11","startHours":6.795804011708119,"endHours":8.179567461307455,"quality":"inauspicious"},{"name":"Śubha","start":"08:11","end":"09:34","startHours":8.179567461307455,"endHours":9.563330910906789,"quality":"auspicious"},{"name":"Roga","start":"09:34","end":"10:57","startHours":9.563330910906789,"endHours":10.947094360506124,"quality":"inauspicious"},{"name":"Udveg","start":"10:57","end":"12:20","startHours":10.947094360506124,"endHours":12.33085781010546,"quality":"inauspicious"},{"name":"Chala","start":"12:20","end":"13:43","startHours":12.33085781010546,"endHours":13.714621259704794,"quality":"neutral"},{"name":"Labha","start":"13:43","end":"15:06","startHours":13.714621259704794,"endHours":15.09838470930413,"quality":"auspicious"},{"name":"Amṛta","start":"15:06","end":"16:29","startHours":15.09838470930413,"endHours":16.482148158903463,"quality":"auspicious"},{"name":"Kāla","start":"16:29","end":"17:52","startHours":16.482148158903463,"endHours":17.8659116085028,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:52","end":"19:29","startHours":17.8659116085028,"endHours":19.482148158903463,"quality":"auspicious"},{"name":"Amṛta","start":"19:29","end":"21:06","startHours":19.482148158903463,"endHours":21.098384709304128,"quality":"auspicious"},{"name":"Kāla","start":"21:06","end":"22:43","startHours":21.098384709304128,"endHours":22.714621259704792,"quality":"inauspicious"},{"name":"Śubha","start":"22:43","end":"00:20","startHours":22.714621259704792,"endHours":24.33085781010546,"quality":"auspicious"},{"name":"Roga","start":"00:20","end":"01:57","startHours":24.33085781010546,"endHours":25.947094360506124,"quality":"inauspicious"},{"name":"Udveg","start":"01:57","end":"03:34","startHours":25.947094360506124,"endHours":27.56333091090679,"quality":"inauspicious"},{"name":"Chala","start":"03:34","end":"05:11","startHours":27.56333091090679,"endHours":29.179567461307457,"quality":"neutral"},{"name":"Labha","start":"05:11","end":"06:48","startHours":29.179567461307457,"endHours":30.79580401170812,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:48","end":"07:48","startHours":6.795804011708119,"endHours":7.795804011708119,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:48","end":"08:48","startHours":7.795804011708119,"endHours":8.79580401170812,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:48","end":"09:48","startHours":8.79580401170812,"endHours":9.79580401170812,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:48","end":"10:48","startHours":9.79580401170812,"endHours":10.79580401170812,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:48","end":"11:48","startHours":10.79580401170812,"endHours":11.79580401170812,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:48","end":"12:48","startHours":11.79580401170812,"endHours":12.79580401170812,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:48","end":"13:48","startHours":12.79580401170812,"endHours":13.79580401170812,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:48","end":"14:48","startHours":13.79580401170812,"endHours":14.79580401170812,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:48","end":"15:48","startHours":14.79580401170812,"endHours":15.79580401170812,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:48","end":"16:48","startHours":15.79580401170812,"endHours":16.79580401170812,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:48","end":"17:48","startHours":16.79580401170812,"endHours":17.79580401170812,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:48","end":"18:48","startHours":17.79580401170812,"endHours":18.79580401170812,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:48","end":"19:48","startHours":18.79580401170812,"endHours":19.79580401170812,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:48","end":"20:48","startHours":19.79580401170812,"endHours":20.79580401170812,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:48","end":"21:48","startHours":20.79580401170812,"endHours":21.79580401170812,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:48","end":"22:48","startHours":21.79580401170812,"endHours":22.79580401170812,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:48","end":"23:48","startHours":22.79580401170812,"endHours":23.79580401170812,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:48","end":"00:48","startHours":23.79580401170812,"endHours":24.79580401170812,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:48","end":"01:48","startHours":24.79580401170812,"endHours":25.79580401170812,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:48","end":"02:48","startHours":25.79580401170812,"endHours":26.79580401170812,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:48","end":"03:48","startHours":26.79580401170812,"endHours":27.79580401170812,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:48","end":"04:48","startHours":27.79580401170812,"endHours":28.79580401170812,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:48","end":"05:48","startHours":28.79580401170812,"endHours":29.79580401170812,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:48","end":"06:48","startHours":29.79580401170812,"endHours":30.79580401170812,"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","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"East","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":12.562351991935,"eotMinutes":-3.2934686063275223,"ayanamsa":26.3763}},"calendars":{"vikram_samvat":2237,"vikram_samvatsara":"Vijaya","saka_samvat":2102,"saka_samvatsara":"Vikrama","bengali_samvat":1587,"malayalam_era":1356,"nanakshahi_year":711,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","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":"Bhādrapada Kṛṣṇa Trayodaśī · Vikram 2237 Vijaya · Śaka 2102 Vikrama"},"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},{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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 Punarvasu","url":"/day/-1626101-04-03","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"perth"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga August 19, 2180 CE · Perth, Australia · Vidhyamitra","description":"August 19, 2180 CE for Perth, Australia: Kṛṣṇa Trayodaśī, sūryodaya 06:48, sūryāsta 17:52.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2180-08-19","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2180-08-19","sa":"https://sa.vidhyamitra.com/city/perth/2180-08-19","hi":"https://hi.vidhyamitra.com/city/perth/2180-08-19","x-default":"https://vidhyamitra.com/city/perth/2180-08-19"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T09:26:12.762Z","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":"2026-05-31T09:26:12.762Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T09:26:12.762Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}