{"id":"vidhyamitra:city-day:perth:2178-09-19:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2178-09-19","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2178-09-19","date_display":"September 19, 2178 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":2178,"month":9,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2516819.770833,"kali_year":5280,"ahargana":1928354.2708,"sun":{"sidereal_longitude":148.8364,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":238.7991,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":89.9626,"elapsed_within_tithi_degrees":5.9626},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4,"moon_longitude":238.7991,"elapsed_within_degrees":12.1324},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":27.6355},"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":2178,"month":9,"day":19,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2516819.770833,"ahargana":1928354.2708,"kali_year":5280,"ayanamsa_lahiri":26.3495,"grahas":{"sun":{"sidereal_longitude":150.00113399999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":242.288234,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false,"latitude":-0.6032},"mars":{"sidereal_longitude":7.7941339999999855,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":true},"mercury":{"sidereal_longitude":171.14313400000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":46.85503399999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":132.698034,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":53.81613399999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":246.5108,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":66.5108,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","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":2178,"month":9,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2516819.770833,"kali_year":5280,"ahargana":1928354.2708,"sun":{"sidereal_longitude":148.8364,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":238.7991,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":89.9626,"elapsed_within_tithi_degrees":5.9626},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4,"moon_longitude":238.7991,"elapsed_within_degrees":12.1324},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":27.6355},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.603,"elongation":89.963},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.603,"opposition_distance":90.037}},"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":"06:09","sunsetLocal":"18:10","solarNoonLocal":"12:10","dayLengthHours":12.010278775181241,"dayLengthDisplay":"12 Hours 00 Mins 37 Secs","nightLengthDisplay":"11 Hours 59 Mins 23 Secs","moonriseLocal":"11:13","moonsetLocal":"01:25","rahuKala":{"name":"Rāhu Kāla","start":"09:09","end":"10:40","startHours":9.157075704747191,"endHours":10.658360551644847,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:40","end":"15:10","startHours":13.660930245440156,"endHours":15.162215092337812,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:09","end":"07:39","startHours":6.154506010951881,"endHours":7.655790857849536,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:57","end":"09:21","startHours":8.956904391827504,"endHours":9.357247017666879,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:39","end":"06:59","startHours":6.654934293251099,"endHours":6.975208393922599,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:46","end":"12:34","startHours":11.759302772703126,"endHours":12.559988024381877,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:33","end":"05:21","startHours":4.553135507594382,"endHours":5.353820759273131,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:09","end":"06:09","startHours":5.153649446353445,"endHours":6.154506010951881,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:58","startHours":14.161358527739374,"endHours":14.962043779418122,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:58","end":"18:22","startHours":17.964784786133123,"endHours":18.36478478613312,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:10","end":"18:40","startHours":18.164784786133122,"endHours":18.66521306843234,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:55","end":"19:40","startHours":17.914784786133122,"endHours":19.664784786133122,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:46","end":"00:34","startHours":23.759302772703126,"endHours":24.559988024381877,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:09","end":"07:39","startHours":6.154506010951881,"endHours":7.655790857849536,"quality":"inauspicious"},{"name":"Śubha","start":"07:39","end":"09:09","startHours":7.655790857849536,"endHours":9.157075704747191,"quality":"auspicious"},{"name":"Roga","start":"09:09","end":"10:40","startHours":9.157075704747191,"endHours":10.658360551644847,"quality":"inauspicious"},{"name":"Udveg","start":"10:40","end":"12:10","startHours":10.658360551644847,"endHours":12.159645398542501,"quality":"inauspicious"},{"name":"Chala","start":"12:10","end":"13:40","startHours":12.159645398542501,"endHours":13.660930245440156,"quality":"neutral"},{"name":"Labha","start":"13:40","end":"15:10","startHours":13.660930245440156,"endHours":15.162215092337812,"quality":"auspicious"},{"name":"Amṛta","start":"15:10","end":"16:40","startHours":15.162215092337812,"endHours":16.663499939235468,"quality":"auspicious"},{"name":"Kāla","start":"16:40","end":"18:10","startHours":16.663499939235468,"endHours":18.164784786133122,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:10","end":"19:40","startHours":18.164784786133122,"endHours":19.663499939235468,"quality":"auspicious"},{"name":"Amṛta","start":"19:40","end":"21:10","startHours":19.663499939235468,"endHours":21.16221509233781,"quality":"auspicious"},{"name":"Kāla","start":"21:10","end":"22:40","startHours":21.16221509233781,"endHours":22.660930245440156,"quality":"inauspicious"},{"name":"Śubha","start":"22:40","end":"00:10","startHours":22.660930245440156,"endHours":24.1596453985425,"quality":"auspicious"},{"name":"Roga","start":"00:10","end":"01:40","startHours":24.1596453985425,"endHours":25.658360551644847,"quality":"inauspicious"},{"name":"Udveg","start":"01:40","end":"03:09","startHours":25.658360551644847,"endHours":27.157075704747193,"quality":"inauspicious"},{"name":"Chala","start":"03:09","end":"04:39","startHours":27.157075704747193,"endHours":28.655790857849535,"quality":"neutral"},{"name":"Labha","start":"04:39","end":"06:09","startHours":28.655790857849535,"endHours":30.15450601095188,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:09","end":"07:09","startHours":6.154506010951881,"endHours":7.154506010951881,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:09","end":"08:09","startHours":7.154506010951881,"endHours":8.15450601095188,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:09","end":"09:09","startHours":8.15450601095188,"endHours":9.15450601095188,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:09","end":"10:09","startHours":9.15450601095188,"endHours":10.15450601095188,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:09","end":"11:09","startHours":10.15450601095188,"endHours":11.15450601095188,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:09","end":"12:09","startHours":11.15450601095188,"endHours":12.15450601095188,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:09","end":"13:09","startHours":12.15450601095188,"endHours":13.15450601095188,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:09","end":"14:09","startHours":13.15450601095188,"endHours":14.15450601095188,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:09","end":"15:09","startHours":14.15450601095188,"endHours":15.15450601095188,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:09","end":"16:09","startHours":15.15450601095188,"endHours":16.15450601095188,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:09","end":"17:09","startHours":16.15450601095188,"endHours":17.15450601095188,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:09","end":"18:09","startHours":17.15450601095188,"endHours":18.15450601095188,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:09","end":"19:09","startHours":18.15450601095188,"endHours":19.15450601095188,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:09","end":"20:09","startHours":19.15450601095188,"endHours":20.15450601095188,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:09","end":"21:09","startHours":20.15450601095188,"endHours":21.15450601095188,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:09","end":"22:09","startHours":21.15450601095188,"endHours":22.15450601095188,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:09","end":"23:09","startHours":22.15450601095188,"endHours":23.15450601095188,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:09","end":"00:09","startHours":23.15450601095188,"endHours":24.15450601095188,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:09","end":"01:09","startHours":24.15450601095188,"endHours":25.15450601095188,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:09","end":"02:09","startHours":25.15450601095188,"endHours":26.15450601095188,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:09","end":"03:09","startHours":26.15450601095188,"endHours":27.15450601095188,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:09","end":"04:09","startHours":27.15450601095188,"endHours":28.15450601095188,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:09","end":"05:09","startHours":28.15450601095188,"endHours":29.15450601095188,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:09","end":"06:09","startHours":29.15450601095188,"endHours":30.15450601095188,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"East","anandadiYoga":{"name":"Padma","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":1.4506450973550704,"eotMinutes":6.979276087449932,"ayanamsa":26.3495}},"calendars":{"vikram_samvat":2235,"vikram_samvatsara":"Khara","saka_samvat":2100,"saka_samvatsara":"Bahudhānya","bengali_samvat":1585,"malayalam_era":1354,"nanakshahi_year":709,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Aṣṭamī · Vikram 2235 Khara · Śaka 2100 Bahudhānya"},"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"]}],"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":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Jyeṣṭhā","url":"/day/-3137-10-20","relevance":0.5},{"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}]},"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 September 19, 2178 CE · Perth, Australia · Vidhyamitra","description":"September 19, 2178 CE for Perth, Australia: Śukla Aṣṭamī, sūryodaya 06:09, sūryāsta 18:10.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2178-09-19","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2178-09-19","sa":"https://sa.vidhyamitra.com/city/perth/2178-09-19","hi":"https://hi.vidhyamitra.com/city/perth/2178-09-19","x-default":"https://vidhyamitra.com/city/perth/2178-09-19"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T16:15:54.420Z","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":"2026-05-31T16:15:54.420Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T16:15:54.420Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}