{"id":"vidhyamitra:city-day:perth:2011-08-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2011-08-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2011-08-01","date_display":"August 1, 2011 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":2011,"month":8,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455774.770833,"kali_year":5113,"ahargana":1867309.2708,"sun":{"sidereal_longitude":103.9019,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":119.2109,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":15.309,"elapsed_within_tithi_degrees":3.309},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4,"moon_longitude":119.2109,"elapsed_within_degrees":12.5442},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":223.1128},"karana":{"half_tithi_index":2,"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":2011,"month":8,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455774.770833,"ahargana":1867309.2708,"kali_year":5113,"ayanamsa_lahiri":24.0148,"grahas":{"sun":{"sidereal_longitude":104.46310200000005,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"moon":{"sidereal_longitude":121.381302,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false,"latitude":-3.8252},"mars":{"sidereal_longitude":64.19580200000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":126.93120199999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":14.872602000000029,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":100.04600199999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":168.081002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":240.9687,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":60.9687,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","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":2011,"month":8,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455774.770833,"kali_year":5113,"ahargana":1867309.2708,"sun":{"sidereal_longitude":103.9019,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":119.2109,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":15.309,"elapsed_within_tithi_degrees":3.309},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4,"moon_longitude":119.2109,"elapsed_within_degrees":12.5442},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":223.1128},"karana":{"half_tithi_index":2,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.825,"elongation":15.309},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.825,"opposition_distance":164.691}},"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":"07:06","sunsetLocal":"17:40","solarNoonLocal":"12:23","dayLengthHours":10.568284544780823,"dayLengthDisplay":"10 Hours 34 Mins 06 Secs","nightLengthDisplay":"13 Hours 25 Mins 54 Secs","moonriseLocal":"08:01","moonsetLocal":"19:00","rahuKala":{"name":"Rāhu Kāla","start":"08:25","end":"09:44","startHours":8.413154460152363,"endHours":9.734190028249966,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:03","end":"12:23","startHours":11.055225596347569,"endHours":12.376261164445172,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:42","end":"15:01","startHours":13.697296732542775,"endHours":15.018332300640377,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:33","end":"09:55","startHours":9.55805195250362,"endHours":9.910328103996314,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:32","end":"07:49","startHours":7.5324640814206285,"endHours":7.814285002614784,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:01","end":"12:44","startHours":12.023985012952478,"endHours":12.728537315937865,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:41","end":"06:23","startHours":5.683014286083985,"endHours":6.3875665890693725,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:13","end":"07:06","startHours":6.211428513323026,"endHours":7.092118892054761,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:08","end":"14:51","startHours":14.137641921908642,"endHours":14.84219422489403,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:28","end":"17:52","startHours":17.460403436835584,"endHours":17.860403436835583,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:40","end":"18:06","startHours":17.660403436835583,"endHours":18.10074862620145,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:25","end":"19:10","startHours":17.410403436835583,"endHours":19.160403436835583,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:01","end":"00:44","startHours":24.023985012952476,"endHours":24.728537315937867,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:06","end":"08:25","startHours":7.092118892054761,"endHours":8.413154460152363,"quality":"auspicious"},{"name":"Kāla","start":"08:25","end":"09:44","startHours":8.413154460152363,"endHours":9.734190028249966,"quality":"inauspicious"},{"name":"Śubha","start":"09:44","end":"11:03","startHours":9.734190028249966,"endHours":11.055225596347569,"quality":"auspicious"},{"name":"Roga","start":"11:03","end":"12:23","startHours":11.055225596347569,"endHours":12.376261164445172,"quality":"inauspicious"},{"name":"Udveg","start":"12:23","end":"13:42","startHours":12.376261164445172,"endHours":13.697296732542775,"quality":"inauspicious"},{"name":"Chala","start":"13:42","end":"15:01","startHours":13.697296732542775,"endHours":15.018332300640377,"quality":"neutral"},{"name":"Labha","start":"15:01","end":"16:20","startHours":15.018332300640377,"endHours":16.33936786873798,"quality":"auspicious"},{"name":"Amṛta","start":"16:20","end":"17:40","startHours":16.33936786873798,"endHours":17.660403436835583,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:40","end":"19:20","startHours":17.660403436835583,"endHours":19.33936786873798,"quality":"neutral"},{"name":"Labha","start":"19:20","end":"21:01","startHours":19.33936786873798,"endHours":21.018332300640377,"quality":"auspicious"},{"name":"Amṛta","start":"21:01","end":"22:42","startHours":21.018332300640377,"endHours":22.697296732542775,"quality":"auspicious"},{"name":"Kāla","start":"22:42","end":"00:23","startHours":22.697296732542775,"endHours":24.37626116444517,"quality":"inauspicious"},{"name":"Śubha","start":"00:23","end":"02:03","startHours":24.37626116444517,"endHours":26.05522559634757,"quality":"auspicious"},{"name":"Roga","start":"02:03","end":"03:44","startHours":26.05522559634757,"endHours":27.734190028249966,"quality":"inauspicious"},{"name":"Udveg","start":"03:44","end":"05:25","startHours":27.734190028249966,"endHours":29.413154460152363,"quality":"inauspicious"},{"name":"Chala","start":"05:25","end":"07:06","startHours":29.413154460152363,"endHours":31.09211889205476,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:06","end":"08:06","startHours":7.092118892054761,"endHours":8.09211889205476,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:06","end":"09:06","startHours":8.09211889205476,"endHours":9.09211889205476,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:06","end":"10:06","startHours":9.09211889205476,"endHours":10.09211889205476,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:06","end":"11:06","startHours":10.09211889205476,"endHours":11.09211889205476,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:06","end":"12:06","startHours":11.09211889205476,"endHours":12.09211889205476,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:06","end":"13:06","startHours":12.09211889205476,"endHours":13.09211889205476,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:06","end":"14:06","startHours":13.09211889205476,"endHours":14.09211889205476,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:06","end":"15:06","startHours":14.09211889205476,"endHours":15.09211889205476,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:06","end":"16:06","startHours":15.09211889205476,"endHours":16.09211889205476,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:06","end":"17:06","startHours":16.09211889205476,"endHours":17.09211889205476,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:06","end":"18:06","startHours":17.09211889205476,"endHours":18.09211889205476,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:06","end":"19:06","startHours":18.09211889205476,"endHours":19.09211889205476,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:06","end":"20:06","startHours":19.09211889205476,"endHours":20.09211889205476,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:06","end":"21:06","startHours":20.09211889205476,"endHours":21.09211889205476,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:06","end":"22:06","startHours":21.09211889205476,"endHours":22.09211889205476,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:06","end":"23:06","startHours":22.09211889205476,"endHours":23.09211889205476,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:06","end":"00:06","startHours":23.09211889205476,"endHours":24.09211889205476,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:06","end":"01:06","startHours":24.09211889205476,"endHours":25.09211889205476,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:06","end":"02:06","startHours":25.09211889205476,"endHours":26.09211889205476,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:06","end":"03:06","startHours":26.09211889205476,"endHours":27.09211889205476,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:06","end":"04:06","startHours":27.09211889205476,"endHours":28.09211889205476,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:06","end":"05:06","startHours":28.09211889205476,"endHours":29.09211889205476,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:06","end":"06:06","startHours":29.09211889205476,"endHours":30.09211889205476,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:06","end":"07:06","startHours":30.09211889205476,"endHours":31.09211889205476,"planetary_lord":"Venus"}],"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":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"West","rahuVasa":"North-East","anandadiYoga":{"name":"Mānasa","quality":"Auspicious"},"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":18.141459024091976,"eotMinutes":-6.017669866710306,"ayanamsa":24.0148}},"calendars":{"vikram_samvat":2068,"vikram_samvatsara":"Krodhi","saka_samvat":1933,"saka_samvatsara":"Khara","bengali_samvat":1418,"malayalam_era":1187,"nanakshahi_year":542,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Dvitīyā · Vikram 2068 Krodhi · Śaka 1933 Khara"},"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":[]},"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 1, 2011 CE · Perth, Australia · Vidhyamitra","description":"August 1, 2011 CE for Perth, Australia: Śukla Dvitīyā, sūryodaya 07:06, sūryāsta 17:40.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2011-08-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2011-08-01","sa":"https://sa.vidhyamitra.com/city/perth/2011-08-01","hi":"https://hi.vidhyamitra.com/city/perth/2011-08-01","x-default":"https://vidhyamitra.com/city/perth/2011-08-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T23:39:34.121Z","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":"2026-05-15T23:39:34.121Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T23:39:34.121Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}