{"id":"vidhyamitra:city-day:perth:2139-08-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2139-08-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2139-08-17","date_display":"August 17, 2139 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":2139,"month":8,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2502541.770833,"kali_year":5241,"ahargana":1914076.2708,"sun":{"sidereal_longitude":117.1262,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":25.4722,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":268.3459,"elapsed_within_tithi_degrees":4.3459},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4,"moon_longitude":25.4722,"elapsed_within_degrees":12.1388},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":142.5984},"karana":{"half_tithi_index":44,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":2139,"month":8,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2502541.770833,"ahargana":1914076.2708,"kali_year":5241,"ayanamsa_lahiri":25.8034,"grahas":{"sun":{"sidereal_longitude":118.074659,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":29.07105899999999,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false,"latitude":4.3941},"mars":{"sidereal_longitude":83.80325900000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":123.84385900000001,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":277.268959,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":125.88705900000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":286.41315899999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":283.028,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":103.028,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"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":2139,"month":8,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2502541.770833,"kali_year":5241,"ahargana":1914076.2708,"sun":{"sidereal_longitude":117.1262,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":25.4722,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":268.3459,"elapsed_within_tithi_degrees":4.3459},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4,"moon_longitude":25.4722,"elapsed_within_degrees":12.1388},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":142.5984},"karana":{"half_tithi_index":44,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.394,"elongation":91.654},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.394,"opposition_distance":88.346}},"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":"06:51","sunsetLocal":"17:50","solarNoonLocal":"12:20","dayLengthHours":10.9825008700653,"dayLengthDisplay":"10 Hours 58 Mins 57 Secs","nightLengthDisplay":"13 Hours 01 Mins 03 Secs","moonriseLocal":"01:11","moonsetLocal":"11:38","rahuKala":{"name":"Rāhu Kāla","start":"08:13","end":"09:36","startHours":8.220088532960812,"endHours":9.592901141718976,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:58","end":"12:20","startHours":10.965713750477137,"endHours":12.3385263592353,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:43","end":"15:05","startHours":13.711338967993463,"endHours":15.084151576751625,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:25","end":"09:47","startHours":9.409859460551221,"endHours":9.77594282288673,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:18","end":"07:36","startHours":7.304880127122038,"endHours":7.597746816990446,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:58","end":"12:42","startHours":11.972442996899789,"endHours":12.70460972157081,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:23","end":"06:07","startHours":5.38294247486061,"endHours":6.115109199531631,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:56","end":"06:51","startHours":5.932067518363875,"endHours":6.84727592420265,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:54","startHours":14.16894317091285,"endHours":14.90110989558387,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:38","end":"18:02","startHours":17.62977679426795,"endHours":18.02977679426795,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:50","end":"18:17","startHours":17.82977679426795,"endHours":18.287380997187338,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:35","end":"19:20","startHours":17.57977679426795,"endHours":19.32977679426795,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:58","end":"00:42","startHours":23.97244299689979,"endHours":24.704609721570808,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:51","end":"08:13","startHours":6.84727592420265,"endHours":8.220088532960812,"quality":"auspicious"},{"name":"Kāla","start":"08:13","end":"09:36","startHours":8.220088532960812,"endHours":9.592901141718976,"quality":"inauspicious"},{"name":"Śubha","start":"09:36","end":"10:58","startHours":9.592901141718976,"endHours":10.965713750477137,"quality":"auspicious"},{"name":"Roga","start":"10:58","end":"12:20","startHours":10.965713750477137,"endHours":12.3385263592353,"quality":"inauspicious"},{"name":"Udveg","start":"12:20","end":"13:43","startHours":12.3385263592353,"endHours":13.711338967993463,"quality":"inauspicious"},{"name":"Chala","start":"13:43","end":"15:05","startHours":13.711338967993463,"endHours":15.084151576751625,"quality":"neutral"},{"name":"Labha","start":"15:05","end":"16:27","startHours":15.084151576751625,"endHours":16.45696418550979,"quality":"auspicious"},{"name":"Amṛta","start":"16:27","end":"17:50","startHours":16.45696418550979,"endHours":17.82977679426795,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:50","end":"19:27","startHours":17.82977679426795,"endHours":19.456964185509786,"quality":"neutral"},{"name":"Labha","start":"19:27","end":"21:05","startHours":19.456964185509786,"endHours":21.084151576751626,"quality":"auspicious"},{"name":"Amṛta","start":"21:05","end":"22:43","startHours":21.084151576751626,"endHours":22.711338967993463,"quality":"auspicious"},{"name":"Kāla","start":"22:43","end":"00:20","startHours":22.711338967993463,"endHours":24.3385263592353,"quality":"inauspicious"},{"name":"Śubha","start":"00:20","end":"01:58","startHours":24.3385263592353,"endHours":25.965713750477136,"quality":"auspicious"},{"name":"Roga","start":"01:58","end":"03:36","startHours":25.965713750477136,"endHours":27.592901141718976,"quality":"inauspicious"},{"name":"Udveg","start":"03:36","end":"05:13","startHours":27.592901141718976,"endHours":29.220088532960812,"quality":"inauspicious"},{"name":"Chala","start":"05:13","end":"06:51","startHours":29.220088532960812,"endHours":30.84727592420265,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:51","end":"07:51","startHours":6.84727592420265,"endHours":7.84727592420265,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:51","end":"08:51","startHours":7.84727592420265,"endHours":8.84727592420265,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:51","end":"09:51","startHours":8.84727592420265,"endHours":9.84727592420265,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:51","end":"10:51","startHours":9.84727592420265,"endHours":10.84727592420265,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:51","end":"11:51","startHours":10.84727592420265,"endHours":11.84727592420265,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:51","end":"12:51","startHours":11.84727592420265,"endHours":12.84727592420265,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:51","end":"13:51","startHours":12.84727592420265,"endHours":13.84727592420265,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:51","end":"14:51","startHours":13.84727592420265,"endHours":14.84727592420265,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:51","end":"15:51","startHours":14.84727592420265,"endHours":15.84727592420265,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:51","end":"16:51","startHours":15.84727592420265,"endHours":16.84727592420265,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:51","end":"17:51","startHours":16.84727592420265,"endHours":17.84727592420265,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:51","end":"18:51","startHours":17.84727592420265,"endHours":18.84727592420265,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:51","end":"19:51","startHours":18.84727592420265,"endHours":19.84727592420265,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:51","end":"20:51","startHours":19.84727592420265,"endHours":20.84727592420265,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:51","end":"21:51","startHours":20.84727592420265,"endHours":21.84727592420265,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:51","end":"22:51","startHours":21.84727592420265,"endHours":22.84727592420265,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:51","end":"23:51","startHours":22.84727592420265,"endHours":23.84727592420265,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:51","end":"00:51","startHours":23.84727592420265,"endHours":24.84727592420265,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:51","end":"01:51","startHours":24.84727592420265,"endHours":25.84727592420265,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:51","end":"02:51","startHours":25.84727592420265,"endHours":26.84727592420265,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:51","end":"03:51","startHours":26.84727592420265,"endHours":27.84727592420265,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:51","end":"04:51","startHours":27.84727592420265,"endHours":28.84727592420265,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:51","end":"05:51","startHours":28.84727592420265,"endHours":29.84727592420265,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:51","end":"06:51","startHours":29.84727592420265,"endHours":30.84727592420265,"planetary_lord":"Venus"}],"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":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":13.560121707666832,"eotMinutes":-3.7535815541179196,"ayanamsa":25.8034}},"calendars":{"vikram_samvat":2196,"vikram_samvatsara":"Paridhāvi","saka_samvat":2061,"saka_samvatsara":"Vikāri","bengali_samvat":1546,"malayalam_era":1315,"nanakshahi_year":670,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Kṛṣṇa Pakṣa","solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Kṛṣṇa Aṣṭamī · Vikram 2196 Paridhāvi · Śaka 2061 Vikāri"},"festivals":[{"id":"karka-sankranti","name":"Karka Saṅkrānti (Dakṣiṇāyana)","name_sanskrit":"कर्क सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Cancer; Dakṣiṇāyana (south-going) begins. Devatā-rātri begins.","vrata":true,"detection":{"sun_rashi":"Karka"},"precedence":2}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Kṛṣṇa Aṣṭamī","url":"/day/-3226-07-09","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 17, 2139 CE · Perth, Australia · Vidhyamitra","description":"August 17, 2139 CE for Perth, Australia: Kṛṣṇa Aṣṭamī, sūryodaya 06:51, sūryāsta 17:50.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2139-08-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2139-08-17","sa":"https://sa.vidhyamitra.com/city/perth/2139-08-17","hi":"https://hi.vidhyamitra.com/city/perth/2139-08-17","x-default":"https://vidhyamitra.com/city/perth/2139-08-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-26T00:12:07.035Z","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":"2026-05-26T00:12:07.035Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-26T00:12:07.035Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}