{"id":"vidhyamitra:city-day:perth:2080-08-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2080-08-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2080-08-15","date_display":"August 15, 2080 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":2080,"month":8,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2480991.770833,"kali_year":5182,"ahargana":1892526.2708,"sun":{"sidereal_longitude":117.381,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":113.5161,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":356.1351,"elapsed_within_tithi_degrees":8.1351},"nakshatra":{"number":9,"name":"Āśleṣā","pada":3,"moon_longitude":113.5161,"elapsed_within_degrees":6.8494},"yoga":{"number":18,"name":"Varīyān","sum_longitude":230.897},"karana":{"half_tithi_index":59,"name":"Nāga"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2080,"month":8,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2480991.770833,"ahargana":1892526.2708,"kali_year":5182,"ayanamsa_lahiri":24.9792,"grahas":{"sun":{"sidereal_longitude":118.18762700000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":113.742527,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false,"latitude":3.5122},"mars":{"sidereal_longitude":236.642427,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":127.60862700000001,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":290.34272699999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":true},"venus":{"sidereal_longitude":140.66952700000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":285.82052699999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":344.8507,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":164.8507,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"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":2080,"month":8,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2480991.770833,"kali_year":5182,"ahargana":1892526.2708,"sun":{"sidereal_longitude":117.381,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":113.5161,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":356.1351,"elapsed_within_tithi_degrees":8.1351},"nakshatra":{"number":9,"name":"Āśleṣā","pada":3,"moon_longitude":113.5161,"elapsed_within_degrees":6.8494},"yoga":{"number":18,"name":"Varīyān","sum_longitude":230.897},"karana":{"half_tithi_index":59,"name":"Nāga"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.512,"elongation":3.865},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.512,"opposition_distance":176.135}},"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":"06:52","sunsetLocal":"17:50","solarNoonLocal":"12:21","dayLengthHours":10.96182853382368,"dayLengthDisplay":"10 Hours 57 Mins 43 Secs","nightLengthDisplay":"13 Hours 02 Mins 17 Secs","moonriseLocal":"06:39","moonsetLocal":"17:27","rahuKala":{"name":"Rāhu Kāla","start":"13:43","end":"15:05","startHours":13.715807028838434,"endHours":15.086035595566393,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:52","end":"08:14","startHours":6.864664195198634,"endHours":8.234892761926593,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:36","end":"10:59","startHours":9.605121328654553,"endHours":10.975349895382514,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:25","end":"09:47","startHours":9.42242418642416,"endHours":9.787818470884948,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:19","end":"07:37","startHours":7.32140705077462,"endHours":7.613722478343251,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:59","end":"12:43","startHours":11.980184177649685,"endHours":12.710972746571263,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:24","end":"06:08","startHours":5.403087057355476,"endHours":6.133875626277055,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:57","end":"06:52","startHours":5.95117848404666,"endHours":6.864664195198634,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:54","startHours":14.172549884414419,"endHours":14.903338453335998,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:38","end":"18:02","startHours":17.626492729022313,"endHours":18.026492729022312,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:50","end":"18:17","startHours":17.826492729022313,"endHours":18.283235584598298,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:35","end":"19:20","startHours":17.576492729022313,"endHours":19.326492729022313,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:59","end":"00:43","startHours":23.980184177649686,"endHours":24.71097274657126,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:52","end":"08:14","startHours":6.864664195198634,"endHours":8.234892761926593,"quality":"auspicious"},{"name":"Roga","start":"08:14","end":"09:36","startHours":8.234892761926593,"endHours":9.605121328654553,"quality":"inauspicious"},{"name":"Udveg","start":"09:36","end":"10:59","startHours":9.605121328654553,"endHours":10.975349895382514,"quality":"inauspicious"},{"name":"Chala","start":"10:59","end":"12:21","startHours":10.975349895382514,"endHours":12.345578462110474,"quality":"neutral"},{"name":"Labha","start":"12:21","end":"13:43","startHours":12.345578462110474,"endHours":13.715807028838434,"quality":"auspicious"},{"name":"Amṛta","start":"13:43","end":"15:05","startHours":13.715807028838434,"endHours":15.086035595566393,"quality":"auspicious"},{"name":"Kāla","start":"15:05","end":"16:27","startHours":15.086035595566393,"endHours":16.456264162294353,"quality":"inauspicious"},{"name":"Śubha","start":"16:27","end":"17:50","startHours":16.456264162294353,"endHours":17.826492729022313,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:50","end":"19:27","startHours":17.826492729022313,"endHours":19.456264162294353,"quality":"auspicious"},{"name":"Kāla","start":"19:27","end":"21:05","startHours":19.456264162294353,"endHours":21.086035595566393,"quality":"inauspicious"},{"name":"Śubha","start":"21:05","end":"22:43","startHours":21.086035595566393,"endHours":22.715807028838434,"quality":"auspicious"},{"name":"Roga","start":"22:43","end":"00:21","startHours":22.715807028838434,"endHours":24.345578462110474,"quality":"inauspicious"},{"name":"Udveg","start":"00:21","end":"01:59","startHours":24.345578462110474,"endHours":25.975349895382514,"quality":"inauspicious"},{"name":"Chala","start":"01:59","end":"03:36","startHours":25.975349895382514,"endHours":27.605121328654555,"quality":"neutral"},{"name":"Labha","start":"03:36","end":"05:14","startHours":27.605121328654555,"endHours":29.234892761926595,"quality":"auspicious"},{"name":"Amṛta","start":"05:14","end":"06:52","startHours":29.234892761926595,"endHours":30.864664195198635,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:52","end":"07:52","startHours":6.864664195198634,"endHours":7.864664195198634,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:52","end":"08:52","startHours":7.864664195198634,"endHours":8.864664195198634,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:52","end":"09:52","startHours":8.864664195198634,"endHours":9.864664195198634,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:52","end":"10:52","startHours":9.864664195198634,"endHours":10.864664195198634,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:52","end":"11:52","startHours":10.864664195198634,"endHours":11.864664195198634,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:52","end":"12:52","startHours":11.864664195198634,"endHours":12.864664195198634,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:52","end":"13:52","startHours":12.864664195198634,"endHours":13.864664195198634,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:52","end":"14:52","startHours":13.864664195198634,"endHours":14.864664195198634,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:52","end":"15:52","startHours":14.864664195198634,"endHours":15.864664195198634,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:52","end":"16:52","startHours":15.864664195198634,"endHours":16.864664195198635,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:52","end":"17:52","startHours":16.864664195198635,"endHours":17.864664195198635,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:52","end":"18:52","startHours":17.864664195198635,"endHours":18.864664195198635,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:52","end":"19:52","startHours":18.864664195198635,"endHours":19.864664195198635,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:52","end":"20:52","startHours":19.864664195198635,"endHours":20.864664195198635,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:52","end":"21:52","startHours":20.864664195198635,"endHours":21.864664195198635,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:52","end":"22:52","startHours":21.864664195198635,"endHours":22.864664195198635,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:52","end":"23:52","startHours":22.864664195198635,"endHours":23.864664195198635,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:52","end":"00:52","startHours":23.864664195198635,"endHours":24.864664195198635,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:52","end":"01:52","startHours":24.864664195198635,"endHours":25.864664195198635,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:52","end":"02:52","startHours":25.864664195198635,"endHours":26.864664195198635,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:52","end":"03:52","startHours":26.864664195198635,"endHours":27.864664195198635,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:52","end":"04:52","startHours":27.864664195198635,"endHours":28.864664195198635,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:52","end":"05:52","startHours":28.864664195198635,"endHours":29.864664195198635,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:52","end":"06:52","startHours":29.864664195198635,"endHours":30.864664195198635,"planetary_lord":"Moon"}],"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":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-West","rahuVasa":"North-West","anandadiYoga":{"name":"Rākṣasa","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":13.794219587045156,"eotMinutes":-4.176707726628523,"ayanamsa":24.9792}},"calendars":{"vikram_samvat":2137,"vikram_samvatsara":"Pramādī","saka_samvat":2002,"saka_samvatsara":"Śārvarī","bengali_samvat":1487,"malayalam_era":1256,"nanakshahi_year":611,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Āṣāḍha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Kṛṣṇa Amāvasyā · Vikram 2137 Pramādī · Śaka 2002 Śārvarī"},"festivals":[],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Kṛṣṇa Amāvasyā","url":"/day/-3137-10-20","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 15, 2080 CE · Perth, Australia · Vidhyamitra","description":"August 15, 2080 CE for Perth, Australia: Kṛṣṇa Amāvasyā, sūryodaya 06:52, sūryāsta 17:50.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2080-08-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2080-08-15","sa":"https://sa.vidhyamitra.com/city/perth/2080-08-15","hi":"https://hi.vidhyamitra.com/city/perth/2080-08-15","x-default":"https://vidhyamitra.com/city/perth/2080-08-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T05:10:25.548Z","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":"2026-06-02T05:10:25.548Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T05:10:25.548Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}