{"id":"vidhyamitra:city-day:perth:2028-08-05:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2028-08-05","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2028-08-05","date_display":"August 5, 2028 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":2028,"month":8,"day":5,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461988.770833,"kali_year":5130,"ahargana":1873523.2708,"sun":{"sidereal_longitude":108.2787,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":286.3313,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":178.0526,"elapsed_within_tithi_degrees":10.0526},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2,"moon_longitude":286.3313,"elapsed_within_degrees":6.3313},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":34.6099},"karana":{"half_tithi_index":29,"name":"Bava"},"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":2028,"month":8,"day":5,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461988.770833,"ahargana":1873523.2708,"kali_year":5130,"ayanamsa_lahiri":24.2524,"grahas":{"sun":{"sidereal_longitude":108.90748199999996,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":285.5215820000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false,"latitude":1.134},"mars":{"sidereal_longitude":75.51258200000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":119.50578199999995,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":151.94238199999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":62.87738200000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":16.760482000000025,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":271.7211,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":91.7211,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","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":2028,"month":8,"day":5,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461988.770833,"kali_year":5130,"ahargana":1873523.2708,"sun":{"sidereal_longitude":108.2787,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":286.3313,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":178.0526,"elapsed_within_tithi_degrees":10.0526},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2,"moon_longitude":286.3313,"elapsed_within_degrees":6.3313},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":34.6099},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.134,"elongation":178.053},"lunar":{"type":"lunar","occurs":true,"moon_latitude":1.134,"opposition_distance":1.947}},"eclipse_window_40days":[{"offset_days":-14,"type":"solar","occurs":true,"moon_latitude":-0.016,"elongation":2.314},{"offset_days":0,"type":"lunar","occurs":true,"moon_latitude":1.134,"opposition_distance":1.947}]},"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":"07:02","sunsetLocal":"17:43","solarNoonLocal":"12:22","dayLengthHours":10.685883017760197,"dayLengthDisplay":"10 Hours 41 Mins 09 Secs","nightLengthDisplay":"13 Hours 18 Mins 51 Secs","moonriseLocal":"17:20","moonsetLocal":"06:58","rahuKala":{"name":"Rāhu Kāla","start":"09:42","end":"11:02","startHours":9.69946798192918,"endHours":11.035203359149204,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:42","end":"15:03","startHours":13.706674113589255,"endHours":15.042409490809279,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:02","end":"08:22","startHours":7.027997227489131,"endHours":8.363732604709156,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:31","end":"09:53","startHours":9.521369931633178,"endHours":9.877566032225182,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:28","end":"07:45","startHours":7.473242353229139,"endHours":7.758199233702745,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:01","end":"12:44","startHours":12.014742635777223,"endHours":12.727134836961236,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:36","end":"06:19","startHours":5.603212825121105,"endHours":6.315605026305118,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:08","end":"07:02","startHours":6.1375069760091145,"endHours":7.027997227489131,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"14:52","startHours":14.151919239329262,"endHours":14.864311440513275,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:31","end":"17:55","startHours":17.51388024524933,"endHours":17.913880245249327,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:43","end":"18:10","startHours":17.713880245249328,"endHours":18.159125370989337,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:28","end":"19:13","startHours":17.463880245249328,"endHours":19.213880245249328,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:01","end":"00:44","startHours":24.01474263577722,"endHours":24.727134836961238,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:02","end":"08:22","startHours":7.027997227489131,"endHours":8.363732604709156,"quality":"inauspicious"},{"name":"Śubha","start":"08:22","end":"09:42","startHours":8.363732604709156,"endHours":9.69946798192918,"quality":"auspicious"},{"name":"Roga","start":"09:42","end":"11:02","startHours":9.69946798192918,"endHours":11.035203359149204,"quality":"inauspicious"},{"name":"Udveg","start":"11:02","end":"12:22","startHours":11.035203359149204,"endHours":12.37093873636923,"quality":"inauspicious"},{"name":"Chala","start":"12:22","end":"13:42","startHours":12.37093873636923,"endHours":13.706674113589255,"quality":"neutral"},{"name":"Labha","start":"13:42","end":"15:03","startHours":13.706674113589255,"endHours":15.042409490809279,"quality":"auspicious"},{"name":"Amṛta","start":"15:03","end":"16:23","startHours":15.042409490809279,"endHours":16.378144868029302,"quality":"auspicious"},{"name":"Kāla","start":"16:23","end":"17:43","startHours":16.378144868029302,"endHours":17.713880245249328,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:43","end":"19:23","startHours":17.713880245249328,"endHours":19.378144868029302,"quality":"auspicious"},{"name":"Amṛta","start":"19:23","end":"21:03","startHours":19.378144868029302,"endHours":21.042409490809277,"quality":"auspicious"},{"name":"Kāla","start":"21:03","end":"22:42","startHours":21.042409490809277,"endHours":22.706674113589255,"quality":"inauspicious"},{"name":"Śubha","start":"22:42","end":"00:22","startHours":22.706674113589255,"endHours":24.37093873636923,"quality":"auspicious"},{"name":"Roga","start":"00:22","end":"02:02","startHours":24.37093873636923,"endHours":26.035203359149204,"quality":"inauspicious"},{"name":"Udveg","start":"02:02","end":"03:42","startHours":26.035203359149204,"endHours":27.699467981929182,"quality":"inauspicious"},{"name":"Chala","start":"03:42","end":"05:22","startHours":27.699467981929182,"endHours":29.363732604709156,"quality":"neutral"},{"name":"Labha","start":"05:22","end":"07:02","startHours":29.363732604709156,"endHours":31.02799722748913,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:02","end":"08:02","startHours":7.027997227489131,"endHours":8.02799722748913,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:02","end":"09:02","startHours":8.02799722748913,"endHours":9.02799722748913,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:02","end":"10:02","startHours":9.02799722748913,"endHours":10.02799722748913,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:02","end":"11:02","startHours":10.02799722748913,"endHours":11.02799722748913,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:02","end":"12:02","startHours":11.02799722748913,"endHours":12.02799722748913,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:02","end":"13:02","startHours":12.02799722748913,"endHours":13.02799722748913,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:02","end":"14:02","startHours":13.02799722748913,"endHours":14.02799722748913,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:02","end":"15:02","startHours":14.02799722748913,"endHours":15.02799722748913,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:02","end":"16:02","startHours":15.02799722748913,"endHours":16.02799722748913,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:02","end":"17:02","startHours":16.02799722748913,"endHours":17.02799722748913,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:02","end":"18:02","startHours":17.02799722748913,"endHours":18.02799722748913,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:02","end":"19:02","startHours":18.02799722748913,"endHours":19.02799722748913,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:02","end":"20:02","startHours":19.02799722748913,"endHours":20.02799722748913,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:02","end":"21:02","startHours":20.02799722748913,"endHours":21.02799722748913,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:02","end":"22:02","startHours":21.02799722748913,"endHours":22.02799722748913,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:02","end":"23:02","startHours":22.02799722748913,"endHours":23.02799722748913,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:02","end":"00:02","startHours":23.02799722748913,"endHours":24.02799722748913,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:02","end":"01:02","startHours":24.02799722748913,"endHours":25.02799722748913,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:02","end":"02:02","startHours":25.02799722748913,"endHours":26.02799722748913,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:02","end":"03:02","startHours":26.02799722748913,"endHours":27.02799722748913,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:02","end":"04:02","startHours":27.02799722748913,"endHours":28.02799722748913,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:02","end":"05:02","startHours":28.02799722748913,"endHours":29.02799722748913,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:02","end":"06:02","startHours":29.02799722748913,"endHours":30.02799722748913,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:02","end":"07:02","startHours":30.02799722748913,"endHours":31.02799722748913,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"East","anandadiYoga":{"name":"Kāṇa","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":16.86544296329416,"eotMinutes":-5.698324182153711,"ayanamsa":24.2524}},"calendars":{"vikram_samvat":2085,"vikram_samvatsara":"Durmati","saka_samvat":1950,"saka_samvatsara":"Kīlaka","bengali_samvat":1435,"malayalam_era":1204,"nanakshahi_year":559,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Pūrṇimā · Vikram 2085 Durmati · Śaka 1950 Kīlaka"},"festivals":[{"id":"raksha-bandhana","name":"Rakṣā Bandhana / Śrāvaṇa Pūrṇimā","name_sanskrit":"रक्षा बन्धन","tradition":"Pan-Hindu","significance":"Sister-brother bond; Brāhmaṇa Upākarma.","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Śrāvaṇa"},"precedence":1},{"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},{"id":"jhulan-purnima","name":"Jhūlan Pūrṇimā (Rādhā-Krishna swing)","name_sanskrit":"झूलन पूर्णिमा","tradition":"Vaishnava","associated_deity":"Rādhā-Krishna","significance":"Rādhā-Krishna swing-līlā festival; Jhūlan-yātrā culmination.","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Śrāvaṇa"},"precedence":3},{"id":"upakarman-rigveda","name":"Ṛg-Veda Upākarman","name_sanskrit":"ऋग्वेद उपाकर्मन्","tradition":"Smarta","associated_deity":"Ṛṣi-paramparā","significance":"Annual renewal of Veda-svādhyāya for Ṛg-Vedīs. Śrāvaṇa Pūrṇimā.","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Śrāvaṇa"},"precedence":3},{"id":"upakarman-yajurveda","name":"Yajur-Veda Upākarman","name_sanskrit":"यजुर्वेद उपाकर्मन्","tradition":"Smarta","significance":"Annual renewal of Veda-svādhyāya for Yajur-Vedīs.","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Śrāvaṇa"},"precedence":3},{"id":"hayagriva-jayanti","name":"Hayagrīva Jayantī","name_sanskrit":"हयग्रीव जयन्ती","tradition":"Vaishnava","associated_deity":"Hayagrīva (Knowledge-form of Bhagavān)","significance":"Bhagavān as Hayagrīva restored the Vedas to Brahmā. Vidyā-pradāyaka.","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Śrāvaṇa"},"precedence":4,"sources":["Devī-Bhāgavata, Hayagrīva-stotra"]}],"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":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Śukla Pūrṇimā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Śukla Pūrṇimā","url":"/day/-0562-04-11","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 5, 2028 CE · Perth, Australia · Vidhyamitra","description":"August 5, 2028 CE for Perth, Australia: Śukla Pūrṇimā, sūryodaya 07:02, sūryāsta 17:43.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2028-08-05","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2028-08-05","sa":"https://sa.vidhyamitra.com/city/perth/2028-08-05","hi":"https://hi.vidhyamitra.com/city/perth/2028-08-05","x-default":"https://vidhyamitra.com/city/perth/2028-08-05"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T23:52:21.759Z","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":"2026-05-14T23:52:21.759Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T23:52:21.759Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}