{"id":"vidhyamitra:city-day:perth:2091-08-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2091-08-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2091-08-07","date_display":"August 7, 2091 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":2091,"month":8,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2485000.770833,"kali_year":5193,"ahargana":1896535.2708,"sun":{"sidereal_longitude":108.9435,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":16.42,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":267.4765,"elapsed_within_tithi_degrees":3.4765},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1,"moon_longitude":16.42,"elapsed_within_degrees":3.0867},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":125.3635},"karana":{"half_tithi_index":44,"name":"Bālava"},"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":2091,"month":8,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2485000.770833,"ahargana":1896535.2708,"kali_year":5193,"ayanamsa_lahiri":25.1326,"grahas":{"sun":{"sidereal_longitude":109.72895399999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":15.148153999999977,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false,"latitude":-4.0433},"mars":{"sidereal_longitude":174.38515400000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":94.29225400000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":258.1404540000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":112.04055399999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":69.09585400000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":132.4346,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":312.4346,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","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":2091,"month":8,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2485000.770833,"kali_year":5193,"ahargana":1896535.2708,"sun":{"sidereal_longitude":108.9435,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":16.42,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":267.4765,"elapsed_within_tithi_degrees":3.4765},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1,"moon_longitude":16.42,"elapsed_within_degrees":3.0867},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":125.3635},"karana":{"half_tithi_index":44,"name":"Bālava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.043,"elongation":92.524},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.043,"opposition_distance":87.476}},"eclipse_window_40days":[{"offset_days":8,"type":"solar","occurs":true,"moon_latitude":-1.268,"elongation":0.94}]},"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":"07:00","sunsetLocal":"17:44","solarNoonLocal":"12:22","dayLengthHours":10.730614945273295,"dayLengthDisplay":"10 Hours 43 Mins 50 Secs","nightLengthDisplay":"13 Hours 16 Mins 10 Secs","moonriseLocal":"00:39","moonsetLocal":"11:28","rahuKala":{"name":"Rāhu Kāla","start":"15:03","end":"16:23","startHours":15.049885333237084,"endHours":16.391212201396247,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:41","end":"11:02","startHours":9.684577860600436,"endHours":11.025904728759599,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:22","end":"13:43","startHours":12.36723159691876,"endHours":13.708558465077921,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:30","end":"09:52","startHours":9.505734278179215,"endHours":9.863421443021657,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:27","end":"07:44","startHours":7.449033080335166,"endHours":7.73518281220912,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:01","end":"12:43","startHours":12.009544432076316,"endHours":12.724918761761204,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:34","end":"06:17","startHours":5.57117546491234,"endHours":6.286549794597226,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:06","end":"07:00","startHours":6.107706212176004,"endHours":7.001924124282112,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"14:52","startHours":14.155667421130975,"endHours":14.871041750815861,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:32","end":"17:56","startHours":17.53253906955541,"endHours":17.932539069555407,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:44","end":"18:11","startHours":17.732539069555408,"endHours":18.17964802560846,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:29","end":"19:14","startHours":17.482539069555408,"endHours":19.232539069555408,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:01","end":"00:43","startHours":24.009544432076318,"endHours":24.724918761761202,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"07:00","end":"08:21","startHours":7.001924124282112,"endHours":8.343250992441273,"quality":"inauspicious"},{"name":"Udveg","start":"08:21","end":"09:41","startHours":8.343250992441273,"endHours":9.684577860600436,"quality":"inauspicious"},{"name":"Chala","start":"09:41","end":"11:02","startHours":9.684577860600436,"endHours":11.025904728759599,"quality":"neutral"},{"name":"Labha","start":"11:02","end":"12:22","startHours":11.025904728759599,"endHours":12.36723159691876,"quality":"auspicious"},{"name":"Amṛta","start":"12:22","end":"13:43","startHours":12.36723159691876,"endHours":13.708558465077921,"quality":"auspicious"},{"name":"Kāla","start":"13:43","end":"15:03","startHours":13.708558465077921,"endHours":15.049885333237084,"quality":"inauspicious"},{"name":"Śubha","start":"15:03","end":"16:23","startHours":15.049885333237084,"endHours":16.391212201396247,"quality":"auspicious"},{"name":"Roga","start":"16:23","end":"17:44","startHours":16.391212201396247,"endHours":17.732539069555408,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:44","end":"19:23","startHours":17.732539069555408,"endHours":19.391212201396247,"quality":"inauspicious"},{"name":"Śubha","start":"19:23","end":"21:03","startHours":19.391212201396247,"endHours":21.049885333237086,"quality":"auspicious"},{"name":"Roga","start":"21:03","end":"22:43","startHours":21.049885333237086,"endHours":22.70855846507792,"quality":"inauspicious"},{"name":"Udveg","start":"22:43","end":"00:22","startHours":22.70855846507792,"endHours":24.36723159691876,"quality":"inauspicious"},{"name":"Chala","start":"00:22","end":"02:02","startHours":24.36723159691876,"endHours":26.0259047287596,"quality":"neutral"},{"name":"Labha","start":"02:02","end":"03:41","startHours":26.0259047287596,"endHours":27.684577860600434,"quality":"auspicious"},{"name":"Amṛta","start":"03:41","end":"05:21","startHours":27.684577860600434,"endHours":29.343250992441273,"quality":"auspicious"},{"name":"Kāla","start":"05:21","end":"07:00","startHours":29.343250992441273,"endHours":31.001924124282112,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:00","end":"08:00","startHours":7.001924124282112,"endHours":8.001924124282112,"planetary_lord":"Mars"},{"name":"Hora 2","start":"08:00","end":"09:00","startHours":8.001924124282112,"endHours":9.001924124282112,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"09:00","end":"10:00","startHours":9.001924124282112,"endHours":10.001924124282112,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"10:00","end":"11:00","startHours":10.001924124282112,"endHours":11.001924124282112,"planetary_lord":"Moon"},{"name":"Hora 5","start":"11:00","end":"12:00","startHours":11.001924124282112,"endHours":12.001924124282112,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"12:00","end":"13:00","startHours":12.001924124282112,"endHours":13.001924124282112,"planetary_lord":"Venus"},{"name":"Hora 7","start":"13:00","end":"14:00","startHours":13.001924124282112,"endHours":14.001924124282112,"planetary_lord":"Sun"},{"name":"Hora 8","start":"14:00","end":"15:00","startHours":14.001924124282112,"endHours":15.001924124282112,"planetary_lord":"Mars"},{"name":"Hora 9","start":"15:00","end":"16:00","startHours":15.001924124282112,"endHours":16.001924124282112,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"16:00","end":"17:00","startHours":16.001924124282112,"endHours":17.001924124282112,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"17:00","end":"18:00","startHours":17.001924124282112,"endHours":18.001924124282112,"planetary_lord":"Moon"},{"name":"Hora 12","start":"18:00","end":"19:00","startHours":18.001924124282112,"endHours":19.001924124282112,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"19:00","end":"20:00","startHours":19.001924124282112,"endHours":20.001924124282112,"planetary_lord":"Venus"},{"name":"Hora 14","start":"20:00","end":"21:00","startHours":20.001924124282112,"endHours":21.001924124282112,"planetary_lord":"Sun"},{"name":"Hora 15","start":"21:00","end":"22:00","startHours":21.001924124282112,"endHours":22.001924124282112,"planetary_lord":"Mars"},{"name":"Hora 16","start":"22:00","end":"23:00","startHours":22.001924124282112,"endHours":23.001924124282112,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"23:00","end":"00:00","startHours":23.001924124282112,"endHours":24.001924124282112,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"00:00","end":"01:00","startHours":24.001924124282112,"endHours":25.001924124282112,"planetary_lord":"Moon"},{"name":"Hora 19","start":"01:00","end":"02:00","startHours":25.001924124282112,"endHours":26.001924124282112,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"02:00","end":"03:00","startHours":26.001924124282112,"endHours":27.001924124282112,"planetary_lord":"Venus"},{"name":"Hora 21","start":"03:00","end":"04:00","startHours":27.001924124282112,"endHours":28.001924124282112,"planetary_lord":"Sun"},{"name":"Hora 22","start":"04:00","end":"05:00","startHours":28.001924124282112,"endHours":29.001924124282112,"planetary_lord":"Mars"},{"name":"Hora 23","start":"05:00","end":"06:00","startHours":29.001924124282112,"endHours":30.001924124282112,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"06:00","end":"07:00","startHours":30.001924124282112,"endHours":31.001924124282112,"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":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"North","anandadiYoga":{"name":"Mudgara","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":16.37471441663233,"eotMinutes":-5.475895815125568,"ayanamsa":25.1326}},"calendars":{"vikram_samvat":2148,"vikram_samvatsara":"Raktākṣī","saka_samvat":2013,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1498,"malayalam_era":1267,"nanakshahi_year":622,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Kṛṣṇa Pakṣa","solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Kṛṣṇa Aṣṭamī · Vikram 2148 Raktākṣī · Śaka 2013 Virodhakṛt"},"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":"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":[{"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 7, 2091 CE · Perth, Australia · Vidhyamitra","description":"August 7, 2091 CE for Perth, Australia: Kṛṣṇa Aṣṭamī, sūryodaya 07:00, sūryāsta 17:44.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2091-08-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2091-08-07","sa":"https://sa.vidhyamitra.com/city/perth/2091-08-07","hi":"https://hi.vidhyamitra.com/city/perth/2091-08-07","x-default":"https://vidhyamitra.com/city/perth/2091-08-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-20T12:02:54.596Z","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":"2026-05-20T12:02:54.596Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-20T12:02:54.596Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}