{"id":"vidhyamitra:city-day:perth:2066-08-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2066-08-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2066-08-04","date_display":"August 4, 2066 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":2066,"month":8,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2475866.770833,"kali_year":5168,"ahargana":1887401.2708,"sun":{"sidereal_longitude":106.5345,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":265.233,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":158.6984,"elapsed_within_tithi_degrees":2.6984},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4,"moon_longitude":265.233,"elapsed_within_degrees":11.8996},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":11.7675},"karana":{"half_tithi_index":26,"name":"Gara"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2066,"month":8,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2475866.770833,"ahargana":1887401.2708,"kali_year":5168,"ayanamsa_lahiri":24.7832,"grahas":{"sun":{"sidereal_longitude":107.24544000000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":264.06484,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false,"latitude":0.6905},"mars":{"sidereal_longitude":113.90344000000005,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":91.09154000000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":216.24904000000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":152.03534000000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":123.07254,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":256.3979,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":76.3979,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","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":2066,"month":8,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2475866.770833,"kali_year":5168,"ahargana":1887401.2708,"sun":{"sidereal_longitude":106.5345,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":265.233,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":158.6984,"elapsed_within_tithi_degrees":2.6984},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4,"moon_longitude":265.233,"elapsed_within_degrees":11.8996},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":11.7675},"karana":{"half_tithi_index":26,"name":"Gara"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.69,"elongation":158.698},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.69,"opposition_distance":21.302}},"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":"07:03","sunsetLocal":"17:42","solarNoonLocal":"12:22","dayLengthHours":10.656710506873615,"dayLengthDisplay":"10 Hours 39 Mins 24 Secs","nightLengthDisplay":"13 Hours 20 Mins 36 Secs","moonriseLocal":"15:48","moonsetLocal":"05:51","rahuKala":{"name":"Rāhu Kāla","start":"12:22","end":"13:42","startHours":12.372531091067298,"endHours":13.704619904426501,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:23","end":"09:43","startHours":8.376264650989693,"endHours":9.708353464348894,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:02","end":"12:22","startHours":11.040442277708095,"endHours":12.372531091067298,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:32","end":"09:53","startHours":9.530741622567668,"endHours":9.885965306130121,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:29","end":"07:46","startHours":7.488205442083558,"endHours":7.772384388933521,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:01","end":"12:44","startHours":12.017307407504845,"endHours":12.727754774629751,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:37","end":"06:20","startHours":5.623281103380675,"endHours":6.333728470505583,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:09","end":"07:03","startHours":6.156116628724356,"endHours":7.04417583763049,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"14:52","startHours":14.148649508879569,"endHours":14.859096876004477,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:30","end":"17:54","startHours":17.500886344504107,"endHours":17.900886344504105,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:42","end":"18:09","startHours":17.700886344504106,"endHours":18.144915948957173,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:27","end":"19:12","startHours":17.450886344504106,"endHours":19.200886344504106,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:01","end":"00:44","startHours":24.017307407504845,"endHours":24.72775477462975,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"07:03","end":"08:23","startHours":7.04417583763049,"endHours":8.376264650989693,"quality":"auspicious"},{"name":"Amṛta","start":"08:23","end":"09:43","startHours":8.376264650989693,"endHours":9.708353464348894,"quality":"auspicious"},{"name":"Kāla","start":"09:43","end":"11:02","startHours":9.708353464348894,"endHours":11.040442277708095,"quality":"inauspicious"},{"name":"Śubha","start":"11:02","end":"12:22","startHours":11.040442277708095,"endHours":12.372531091067298,"quality":"auspicious"},{"name":"Roga","start":"12:22","end":"13:42","startHours":12.372531091067298,"endHours":13.704619904426501,"quality":"inauspicious"},{"name":"Udveg","start":"13:42","end":"15:02","startHours":13.704619904426501,"endHours":15.036708717785702,"quality":"inauspicious"},{"name":"Chala","start":"15:02","end":"16:22","startHours":15.036708717785702,"endHours":16.368797531144903,"quality":"neutral"},{"name":"Labha","start":"16:22","end":"17:42","startHours":16.368797531144903,"endHours":17.700886344504106,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:42","end":"19:22","startHours":17.700886344504106,"endHours":19.368797531144903,"quality":"inauspicious"},{"name":"Chala","start":"19:22","end":"21:02","startHours":19.368797531144903,"endHours":21.0367087177857,"quality":"neutral"},{"name":"Labha","start":"21:02","end":"22:42","startHours":21.0367087177857,"endHours":22.7046199044265,"quality":"auspicious"},{"name":"Amṛta","start":"22:42","end":"00:22","startHours":22.7046199044265,"endHours":24.372531091067298,"quality":"auspicious"},{"name":"Kāla","start":"00:22","end":"02:02","startHours":24.372531091067298,"endHours":26.040442277708095,"quality":"inauspicious"},{"name":"Śubha","start":"02:02","end":"03:43","startHours":26.040442277708095,"endHours":27.708353464348896,"quality":"auspicious"},{"name":"Roga","start":"03:43","end":"05:23","startHours":27.708353464348896,"endHours":29.376264650989693,"quality":"inauspicious"},{"name":"Udveg","start":"05:23","end":"07:03","startHours":29.376264650989693,"endHours":31.04417583763049,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:03","end":"08:03","startHours":7.04417583763049,"endHours":8.04417583763049,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"08:03","end":"09:03","startHours":8.04417583763049,"endHours":9.04417583763049,"planetary_lord":"Venus"},{"name":"Hora 3","start":"09:03","end":"10:03","startHours":9.04417583763049,"endHours":10.04417583763049,"planetary_lord":"Sun"},{"name":"Hora 4","start":"10:03","end":"11:03","startHours":10.04417583763049,"endHours":11.04417583763049,"planetary_lord":"Mars"},{"name":"Hora 5","start":"11:03","end":"12:03","startHours":11.04417583763049,"endHours":12.04417583763049,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"12:03","end":"13:03","startHours":12.04417583763049,"endHours":13.04417583763049,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"13:03","end":"14:03","startHours":13.04417583763049,"endHours":14.04417583763049,"planetary_lord":"Moon"},{"name":"Hora 8","start":"14:03","end":"15:03","startHours":14.04417583763049,"endHours":15.04417583763049,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"15:03","end":"16:03","startHours":15.04417583763049,"endHours":16.04417583763049,"planetary_lord":"Venus"},{"name":"Hora 10","start":"16:03","end":"17:03","startHours":16.04417583763049,"endHours":17.04417583763049,"planetary_lord":"Sun"},{"name":"Hora 11","start":"17:03","end":"18:03","startHours":17.04417583763049,"endHours":18.04417583763049,"planetary_lord":"Mars"},{"name":"Hora 12","start":"18:03","end":"19:03","startHours":18.04417583763049,"endHours":19.04417583763049,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"19:03","end":"20:03","startHours":19.04417583763049,"endHours":20.04417583763049,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"20:03","end":"21:03","startHours":20.04417583763049,"endHours":21.04417583763049,"planetary_lord":"Moon"},{"name":"Hora 15","start":"21:03","end":"22:03","startHours":21.04417583763049,"endHours":22.04417583763049,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"22:03","end":"23:03","startHours":22.04417583763049,"endHours":23.04417583763049,"planetary_lord":"Venus"},{"name":"Hora 17","start":"23:03","end":"00:03","startHours":23.04417583763049,"endHours":24.04417583763049,"planetary_lord":"Sun"},{"name":"Hora 18","start":"00:03","end":"01:03","startHours":24.04417583763049,"endHours":25.04417583763049,"planetary_lord":"Mars"},{"name":"Hora 19","start":"01:03","end":"02:03","startHours":25.04417583763049,"endHours":26.04417583763049,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"02:03","end":"03:03","startHours":26.04417583763049,"endHours":27.04417583763049,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"03:03","end":"04:03","startHours":27.04417583763049,"endHours":28.04417583763049,"planetary_lord":"Moon"},{"name":"Hora 22","start":"04:03","end":"05:03","startHours":28.04417583763049,"endHours":29.04417583763049,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"05:03","end":"06:03","startHours":29.04417583763049,"endHours":30.04417583763049,"planetary_lord":"Venus"},{"name":"Hora 24","start":"06:03","end":"07:03","startHours":30.04417583763049,"endHours":31.04417583763049,"planetary_lord":"Sun"}],"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":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"South-West","anandadiYoga":{"name":"Prajāpati","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":17.183908733902605,"eotMinutes":-5.793865464037833,"ayanamsa":24.7832}},"calendars":{"vikram_samvat":2123,"vikram_samvatsara":"Vikāri","saka_samvat":1988,"saka_samvatsara":"Vyaya","bengali_samvat":1473,"malayalam_era":1242,"nanakshahi_year":597,"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 Caturdaśī · Vikram 2123 Vikāri · Śaka 1988 Vyaya"},"festivals":[],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 4, 2066 CE · Perth, Australia · Vidhyamitra","description":"August 4, 2066 CE for Perth, Australia: Śukla Caturdaśī, sūryodaya 07:03, sūryāsta 17:42.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2066-08-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2066-08-04","sa":"https://sa.vidhyamitra.com/city/perth/2066-08-04","hi":"https://hi.vidhyamitra.com/city/perth/2066-08-04","x-default":"https://vidhyamitra.com/city/perth/2066-08-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T03:05:07.219Z","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":"2026-06-03T03:05:07.219Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T03:05:07.219Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}