{"id":"vidhyamitra:city-day:perth:1966-08-05:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1966-08-05","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1966-08-05","date_display":"August 5, 1966 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":1966,"month":8,"day":5,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2439342.770833,"kali_year":5068,"ahargana":1850877.2708,"sun":{"sidereal_longitude":108.3195,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":332.1111,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":223.7916,"elapsed_within_tithi_degrees":7.7916},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4,"moon_longitude":332.1111,"elapsed_within_degrees":12.1111},"yoga":{"number":7,"name":"Sukarma","sum_longitude":80.4306},"karana":{"half_tithi_index":37,"name":"Bālava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":1966,"month":8,"day":5,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2439342.770833,"ahargana":1850877.2708,"kali_year":5068,"ayanamsa_lahiri":23.3863,"grahas":{"sun":{"sidereal_longitude":108.79842500000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":329.13582500000007,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false,"latitude":-3.8765},"mars":{"sidereal_longitude":83.73022500000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":97.79532499999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":87.06422499999996,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"venus":{"sidereal_longitude":84.36622499999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":336.47692499999994,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":31.6151,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":211.6151,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","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":1966,"month":8,"day":5,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2439342.770833,"kali_year":5068,"ahargana":1850877.2708,"sun":{"sidereal_longitude":108.3195,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":332.1111,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":223.7916,"elapsed_within_tithi_degrees":7.7916},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4,"moon_longitude":332.1111,"elapsed_within_degrees":12.1111},"yoga":{"number":7,"name":"Sukarma","sum_longitude":80.4306},"karana":{"half_tithi_index":37,"name":"Bālava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.876,"elongation":136.208},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.876,"opposition_distance":43.792}},"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":"07:02","sunsetLocal":"17:42","solarNoonLocal":"12:22","dayLengthHours":10.66070801732267,"dayLengthDisplay":"10 Hours 39 Mins 39 Secs","nightLengthDisplay":"13 Hours 20 Mins 21 Secs","moonriseLocal":"20:53","moonsetLocal":"09:14","rahuKala":{"name":"Rāhu Kāla","start":"11:02","end":"12:22","startHours":11.038350234203897,"endHours":12.37093873636923,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:02","end":"16:22","startHours":15.036115740699897,"endHours":16.36870424286523,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:22","end":"09:42","startHours":8.373173229873228,"endHours":9.705761732038562,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:32","end":"09:53","startHours":9.528083265083184,"endHours":9.88344019899394,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:29","end":"07:46","startHours":7.484780895096339,"endHours":7.769066442224943,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:01","end":"12:44","startHours":12.015581802458474,"endHours":12.726295670279985,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:37","end":"06:20","startHours":5.619156992064872,"endHours":6.329870859886384,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:09","end":"07:02","startHours":6.152192392931005,"endHours":7.040584727707895,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"14:52","startHours":14.147723405923006,"endHours":14.858437273744517,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:30","end":"17:54","startHours":17.501292745030565,"endHours":17.901292745030563,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:42","end":"18:09","startHours":17.701292745030564,"endHours":18.145488912419008,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:27","end":"19:12","startHours":17.451292745030564,"endHours":19.201292745030564,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:01","end":"00:44","startHours":24.015581802458474,"endHours":24.726295670279985,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:02","end":"08:22","startHours":7.040584727707895,"endHours":8.373173229873228,"quality":"neutral"},{"name":"Labha","start":"08:22","end":"09:42","startHours":8.373173229873228,"endHours":9.705761732038562,"quality":"auspicious"},{"name":"Amṛta","start":"09:42","end":"11:02","startHours":9.705761732038562,"endHours":11.038350234203897,"quality":"auspicious"},{"name":"Kāla","start":"11:02","end":"12:22","startHours":11.038350234203897,"endHours":12.37093873636923,"quality":"inauspicious"},{"name":"Śubha","start":"12:22","end":"13:42","startHours":12.37093873636923,"endHours":13.703527238534562,"quality":"auspicious"},{"name":"Roga","start":"13:42","end":"15:02","startHours":13.703527238534562,"endHours":15.036115740699897,"quality":"inauspicious"},{"name":"Udveg","start":"15:02","end":"16:22","startHours":15.036115740699897,"endHours":16.36870424286523,"quality":"inauspicious"},{"name":"Chala","start":"16:22","end":"17:42","startHours":16.36870424286523,"endHours":17.701292745030564,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:42","end":"19:22","startHours":17.701292745030564,"endHours":19.36870424286523,"quality":"inauspicious"},{"name":"Udveg","start":"19:22","end":"21:02","startHours":19.36870424286523,"endHours":21.0361157406999,"quality":"inauspicious"},{"name":"Chala","start":"21:02","end":"22:42","startHours":21.0361157406999,"endHours":22.703527238534562,"quality":"neutral"},{"name":"Labha","start":"22:42","end":"00:22","startHours":22.703527238534562,"endHours":24.37093873636923,"quality":"auspicious"},{"name":"Amṛta","start":"00:22","end":"02:02","startHours":24.37093873636923,"endHours":26.038350234203897,"quality":"auspicious"},{"name":"Kāla","start":"02:02","end":"03:42","startHours":26.038350234203897,"endHours":27.70576173203856,"quality":"inauspicious"},{"name":"Śubha","start":"03:42","end":"05:22","startHours":27.70576173203856,"endHours":29.373173229873228,"quality":"auspicious"},{"name":"Roga","start":"05:22","end":"07:02","startHours":29.373173229873228,"endHours":31.040584727707895,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:02","end":"08:02","startHours":7.040584727707895,"endHours":8.040584727707895,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:02","end":"09:02","startHours":8.040584727707895,"endHours":9.040584727707895,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:02","end":"10:02","startHours":9.040584727707895,"endHours":10.040584727707895,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:02","end":"11:02","startHours":10.040584727707895,"endHours":11.040584727707895,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:02","end":"12:02","startHours":11.040584727707895,"endHours":12.040584727707895,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:02","end":"13:02","startHours":12.040584727707895,"endHours":13.040584727707895,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:02","end":"14:02","startHours":13.040584727707895,"endHours":14.040584727707895,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:02","end":"15:02","startHours":14.040584727707895,"endHours":15.040584727707895,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:02","end":"16:02","startHours":15.040584727707895,"endHours":16.040584727707895,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:02","end":"17:02","startHours":16.040584727707895,"endHours":17.040584727707895,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:02","end":"18:02","startHours":17.040584727707895,"endHours":18.040584727707895,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:02","end":"19:02","startHours":18.040584727707895,"endHours":19.040584727707895,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:02","end":"20:02","startHours":19.040584727707895,"endHours":20.040584727707895,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:02","end":"21:02","startHours":20.040584727707895,"endHours":21.040584727707895,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:02","end":"22:02","startHours":21.040584727707895,"endHours":22.040584727707895,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:02","end":"23:02","startHours":22.040584727707895,"endHours":23.040584727707895,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:02","end":"00:02","startHours":23.040584727707895,"endHours":24.040584727707895,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:02","end":"01:02","startHours":24.040584727707895,"endHours":25.040584727707895,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:02","end":"02:02","startHours":25.040584727707895,"endHours":26.040584727707895,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:02","end":"03:02","startHours":26.040584727707895,"endHours":27.040584727707895,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:02","end":"04:02","startHours":27.040584727707895,"endHours":28.040584727707895,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:02","end":"05:02","startHours":28.040584727707895,"endHours":29.040584727707895,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:02","end":"06:02","startHours":29.040584727707895,"endHours":30.040584727707895,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:02","end":"07:02","startHours":30.040584727707895,"endHours":31.040584727707895,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"South-East","anandadiYoga":{"name":"Mṛtyu","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":17.14034343672118,"eotMinutes":-5.698324182153711,"ayanamsa":23.3863}},"calendars":{"vikram_samvat":2023,"vikram_samvatsara":"Siddhārthī","saka_samvat":1888,"saka_samvatsara":"Parābhava","bengali_samvat":1373,"malayalam_era":1142,"nanakshahi_year":497,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa (Adhika) Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":true,"lunar_month_purnimanta_is_adhika":true,"lunar_month_amanta_is_adhika":true,"solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa (Adhika) Kṛṣṇa Caturthī · Vikram 2023 Siddhārthī · Śaka 1888 Parābhava"},"festivals":[{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 5, 1966 CE · Perth, Australia · Vidhyamitra","description":"August 5, 1966 CE for Perth, Australia: Kṛṣṇa Caturthī, sūryodaya 07:02, sūryāsta 17:42.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1966-08-05","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1966-08-05","sa":"https://sa.vidhyamitra.com/city/perth/1966-08-05","hi":"https://hi.vidhyamitra.com/city/perth/1966-08-05","x-default":"https://vidhyamitra.com/city/perth/1966-08-05"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T06:52:46.117Z","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":"2026-06-01T06:52:46.117Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T06:52:46.117Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}