{"id":"vidhyamitra:city-day:perth:2131-08-05:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2131-08-05","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2131-08-05","date_display":"August 5, 2131 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":2131,"month":8,"day":5,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2499607.770833,"kali_year":5233,"ahargana":1911142.2708,"sun":{"sidereal_longitude":105.7553,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":238.3824,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":132.6271,"elapsed_within_tithi_degrees":0.6271},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4,"moon_longitude":238.3824,"elapsed_within_degrees":11.7158},"yoga":{"number":26,"name":"Indra","sum_longitude":344.1377},"karana":{"half_tithi_index":22,"name":"Bava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":2131,"month":8,"day":5,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2499607.770833,"ahargana":1911142.2708,"kali_year":5233,"ayanamsa_lahiri":25.6912,"grahas":{"sun":{"sidereal_longitude":106.61875900000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"moon":{"sidereal_longitude":239.276159,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false,"latitude":1.5453},"mars":{"sidereal_longitude":3.199658999999997,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":85.91075899999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":55.45725900000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":110.61695900000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":192.54135900000006,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":78.4854,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":258.4854,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","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":2131,"month":8,"day":5,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2499607.770833,"kali_year":5233,"ahargana":1911142.2708,"sun":{"sidereal_longitude":105.7553,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":238.3824,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":132.6271,"elapsed_within_tithi_degrees":0.6271},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4,"moon_longitude":238.3824,"elapsed_within_degrees":11.7158},"yoga":{"number":26,"name":"Indra","sum_longitude":344.1377},"karana":{"half_tithi_index":22,"name":"Bava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.545,"elongation":132.627},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.545,"opposition_distance":47.373}},"eclipse_window_40days":[{"offset_days":-12,"type":"solar","occurs":true,"moon_latitude":0.962,"elongation":2.89}]},"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":"17:42","solarNoonLocal":"12:22","dayLengthHours":10.663921851021612,"dayLengthDisplay":"10 Hours 39 Mins 50 Secs","nightLengthDisplay":"13 Hours 20 Mins 10 Secs","moonriseLocal":"14:07","moonsetLocal":"04:18","rahuKala":{"name":"Rāhu Kāla","start":"16:22","end":"17:42","startHours":16.369909430502336,"endHours":17.702899661880036,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:22","end":"13:42","startHours":12.37093873636923,"endHours":13.703928967746933,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:02","end":"16:22","startHours":15.036919199124632,"endHours":16.369909430502336,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:32","end":"09:53","startHours":9.527226242763467,"endHours":9.882690304464187,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:29","end":"07:46","startHours":7.483307887984324,"endHours":7.767679137344901,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:01","end":"12:44","startHours":12.015474674668509,"endHours":12.72640279806995,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:37","end":"06:20","startHours":5.617121564055543,"endHours":6.328049687456983,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:09","end":"07:02","startHours":6.150317656606623,"endHours":7.038977810858424,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"14:52","startHours":14.148259044872834,"endHours":14.859187168274275,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:30","end":"17:54","startHours":17.502899661880036,"endHours":17.902899661880035,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:42","end":"18:09","startHours":17.702899661880036,"endHours":18.147229739005937,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:27","end":"19:12","startHours":17.452899661880036,"endHours":19.202899661880036,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:01","end":"00:44","startHours":24.01547467466851,"endHours":24.726402798069948,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:02","end":"08:22","startHours":7.038977810858424,"endHours":8.371968042236126,"quality":"inauspicious"},{"name":"Chala","start":"08:22","end":"09:42","startHours":8.371968042236126,"endHours":9.704958273613826,"quality":"neutral"},{"name":"Labha","start":"09:42","end":"11:02","startHours":9.704958273613826,"endHours":11.03794850499153,"quality":"auspicious"},{"name":"Amṛta","start":"11:02","end":"12:22","startHours":11.03794850499153,"endHours":12.37093873636923,"quality":"auspicious"},{"name":"Kāla","start":"12:22","end":"13:42","startHours":12.37093873636923,"endHours":13.703928967746933,"quality":"inauspicious"},{"name":"Śubha","start":"13:42","end":"15:02","startHours":13.703928967746933,"endHours":15.036919199124632,"quality":"auspicious"},{"name":"Roga","start":"15:02","end":"16:22","startHours":15.036919199124632,"endHours":16.369909430502336,"quality":"inauspicious"},{"name":"Udveg","start":"16:22","end":"17:42","startHours":16.369909430502336,"endHours":17.702899661880036,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:42","end":"19:22","startHours":17.702899661880036,"endHours":19.369909430502332,"quality":"auspicious"},{"name":"Roga","start":"19:22","end":"21:02","startHours":19.369909430502332,"endHours":21.036919199124632,"quality":"inauspicious"},{"name":"Udveg","start":"21:02","end":"22:42","startHours":21.036919199124632,"endHours":22.703928967746933,"quality":"inauspicious"},{"name":"Chala","start":"22:42","end":"00:22","startHours":22.703928967746933,"endHours":24.37093873636923,"quality":"neutral"},{"name":"Labha","start":"00:22","end":"02:02","startHours":24.37093873636923,"endHours":26.037948504991526,"quality":"auspicious"},{"name":"Amṛta","start":"02:02","end":"03:42","startHours":26.037948504991526,"endHours":27.704958273613826,"quality":"auspicious"},{"name":"Kāla","start":"03:42","end":"05:22","startHours":27.704958273613826,"endHours":29.371968042236126,"quality":"inauspicious"},{"name":"Śubha","start":"05:22","end":"07:02","startHours":29.371968042236126,"endHours":31.038977810858423,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:02","end":"08:02","startHours":7.038977810858424,"endHours":8.038977810858423,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:02","end":"09:02","startHours":8.038977810858423,"endHours":9.038977810858423,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:02","end":"10:02","startHours":9.038977810858423,"endHours":10.038977810858423,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:02","end":"11:02","startHours":10.038977810858423,"endHours":11.038977810858423,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:02","end":"12:02","startHours":11.038977810858423,"endHours":12.038977810858423,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:02","end":"13:02","startHours":12.038977810858423,"endHours":13.038977810858423,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:02","end":"14:02","startHours":13.038977810858423,"endHours":14.038977810858423,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:02","end":"15:02","startHours":14.038977810858423,"endHours":15.038977810858423,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:02","end":"16:02","startHours":15.038977810858423,"endHours":16.038977810858423,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:02","end":"17:02","startHours":16.038977810858423,"endHours":17.038977810858423,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:02","end":"18:02","startHours":17.038977810858423,"endHours":18.038977810858423,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:02","end":"19:02","startHours":18.038977810858423,"endHours":19.038977810858423,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:02","end":"20:02","startHours":19.038977810858423,"endHours":20.038977810858423,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:02","end":"21:02","startHours":20.038977810858423,"endHours":21.038977810858423,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:02","end":"22:02","startHours":21.038977810858423,"endHours":22.038977810858423,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:02","end":"23:02","startHours":22.038977810858423,"endHours":23.038977810858423,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:02","end":"00:02","startHours":23.038977810858423,"endHours":24.038977810858423,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:02","end":"01:02","startHours":24.038977810858423,"endHours":25.038977810858423,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:02","end":"02:02","startHours":25.038977810858423,"endHours":26.038977810858423,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:02","end":"03:02","startHours":26.038977810858423,"endHours":27.038977810858423,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:02","end":"04:02","startHours":27.038977810858423,"endHours":28.038977810858423,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:02","end":"05:02","startHours":28.038977810858423,"endHours":29.038977810858423,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:02","end":"06:02","startHours":29.038977810858423,"endHours":30.038977810858423,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:02","end":"07:02","startHours":30.038977810858423,"endHours":31.038977810858423,"planetary_lord":"Jupiter"}],"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","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"North-East","rahuVasa":"North-East","anandadiYoga":{"name":"Kāṇa","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":17.105301613126166,"eotMinutes":-5.698324182153711,"ayanamsa":25.6912}},"calendars":{"vikram_samvat":2188,"vikram_samvatsara":"Krodhi","saka_samvat":2053,"saka_samvatsara":"Khara","bengali_samvat":1538,"malayalam_era":1307,"nanakshahi_year":662,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Śrāvaṇa","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 Śukla Dvādaśī · Vikram 2188 Krodhi · Śaka 2053 Khara"},"festivals":[],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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}]},"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, 2131 CE · Perth, Australia · Vidhyamitra","description":"August 5, 2131 CE for Perth, Australia: Śukla Dvādaśī, sūryodaya 07:02, sūryāsta 17:42.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2131-08-05","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2131-08-05","sa":"https://sa.vidhyamitra.com/city/perth/2131-08-05","hi":"https://hi.vidhyamitra.com/city/perth/2131-08-05","x-default":"https://vidhyamitra.com/city/perth/2131-08-05"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T02:54:03.217Z","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":"2026-05-31T02:54:03.217Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T02:54:03.217Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}