{"id":"vidhyamitra:city-day:perth:1964-08-10:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1964-08-10","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1964-08-10","date_display":"August 10, 1964 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":1964,"month":8,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438617.770833,"kali_year":5066,"ahargana":1850152.2708,"sun":{"sidereal_longitude":113.5772,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":143.904,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":30.3268,"elapsed_within_tithi_degrees":6.3268},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":143.904,"elapsed_within_degrees":10.5707},"yoga":{"number":20,"name":"Śiva","sum_longitude":257.4812},"karana":{"half_tithi_index":5,"name":"Gara"},"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":1964,"month":8,"day":10,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2438617.770833,"ahargana":1850152.2708,"kali_year":5066,"ayanamsa_lahiri":23.3586,"grahas":{"sun":{"sidereal_longitude":114.08162600000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":143.61622599999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false,"latitude":4.3226},"mars":{"sidereal_longitude":73.982126,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":141.475726,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":31.46402599999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":70.40742599999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":310.121226,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":70.0291,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":250.0291,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","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":1964,"month":8,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438617.770833,"kali_year":5066,"ahargana":1850152.2708,"sun":{"sidereal_longitude":113.5772,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":143.904,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":30.3268,"elapsed_within_tithi_degrees":6.3268},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":143.904,"elapsed_within_degrees":10.5707},"yoga":{"number":20,"name":"Śiva","sum_longitude":257.4812},"karana":{"half_tithi_index":5,"name":"Gara"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.323,"elongation":30.327},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.323,"opposition_distance":149.673}},"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":"06:58","sunsetLocal":"17:46","solarNoonLocal":"12:22","dayLengthHours":10.800229272355871,"dayLengthDisplay":"10 Hours 48 Mins 01 Secs","nightLengthDisplay":"13 Hours 11 Mins 59 Secs","moonriseLocal":"08:30","moonsetLocal":"20:10","rahuKala":{"name":"Rāhu Kāla","start":"08:19","end":"09:40","startHours":8.310289082989192,"endHours":9.660317742033676,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:01","end":"12:22","startHours":11.01034640107816,"endHours":12.360375060122642,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:43","end":"15:04","startHours":13.710403719167127,"endHours":15.060432378211612,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:29","end":"09:50","startHours":9.480313920827744,"endHours":9.840321563239607,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:25","end":"07:42","startHours":7.410269976959536,"endHours":7.698276090889026,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:00","end":"12:43","startHours":12.00036741771078,"endHours":12.720382702534504,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:31","end":"06:14","startHours":5.520229854297258,"endHours":6.240245139120983,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:04","end":"06:58","startHours":6.060241317915052,"endHours":6.960260423944708,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:53","startHours":14.160413272181955,"endHours":14.880428557005681,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:34","end":"17:58","startHours":17.56048969630058,"endHours":17.960489696300577,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:46","end":"18:13","startHours":17.760489696300578,"endHours":18.210499249315404,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:31","end":"19:16","startHours":17.510489696300578,"endHours":19.260489696300578,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:00","end":"00:43","startHours":24.00036741771078,"endHours":24.720382702534504,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:58","end":"08:19","startHours":6.960260423944708,"endHours":8.310289082989192,"quality":"auspicious"},{"name":"Kāla","start":"08:19","end":"09:40","startHours":8.310289082989192,"endHours":9.660317742033676,"quality":"inauspicious"},{"name":"Śubha","start":"09:40","end":"11:01","startHours":9.660317742033676,"endHours":11.01034640107816,"quality":"auspicious"},{"name":"Roga","start":"11:01","end":"12:22","startHours":11.01034640107816,"endHours":12.360375060122642,"quality":"inauspicious"},{"name":"Udveg","start":"12:22","end":"13:43","startHours":12.360375060122642,"endHours":13.710403719167127,"quality":"inauspicious"},{"name":"Chala","start":"13:43","end":"15:04","startHours":13.710403719167127,"endHours":15.060432378211612,"quality":"neutral"},{"name":"Labha","start":"15:04","end":"16:25","startHours":15.060432378211612,"endHours":16.410461037256095,"quality":"auspicious"},{"name":"Amṛta","start":"16:25","end":"17:46","startHours":16.410461037256095,"endHours":17.760489696300578,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:46","end":"19:25","startHours":17.760489696300578,"endHours":19.410461037256095,"quality":"neutral"},{"name":"Labha","start":"19:25","end":"21:04","startHours":19.410461037256095,"endHours":21.06043237821161,"quality":"auspicious"},{"name":"Amṛta","start":"21:04","end":"22:43","startHours":21.06043237821161,"endHours":22.710403719167125,"quality":"auspicious"},{"name":"Kāla","start":"22:43","end":"00:22","startHours":22.710403719167125,"endHours":24.360375060122642,"quality":"inauspicious"},{"name":"Śubha","start":"00:22","end":"02:01","startHours":24.360375060122642,"endHours":26.01034640107816,"quality":"auspicious"},{"name":"Roga","start":"02:01","end":"03:40","startHours":26.01034640107816,"endHours":27.660317742033676,"quality":"inauspicious"},{"name":"Udveg","start":"03:40","end":"05:19","startHours":27.660317742033676,"endHours":29.31028908298919,"quality":"inauspicious"},{"name":"Chala","start":"05:19","end":"06:58","startHours":29.31028908298919,"endHours":30.960260423944707,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:58","end":"07:58","startHours":6.960260423944708,"endHours":7.960260423944708,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:58","end":"08:58","startHours":7.960260423944708,"endHours":8.960260423944707,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:58","end":"09:58","startHours":8.960260423944707,"endHours":9.960260423944707,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:58","end":"10:58","startHours":9.960260423944707,"endHours":10.960260423944707,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:58","end":"11:58","startHours":10.960260423944707,"endHours":11.960260423944707,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:58","end":"12:58","startHours":11.960260423944707,"endHours":12.960260423944707,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:58","end":"13:58","startHours":12.960260423944707,"endHours":13.960260423944707,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:58","end":"14:58","startHours":13.960260423944707,"endHours":14.960260423944707,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:58","end":"15:58","startHours":14.960260423944707,"endHours":15.960260423944707,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:58","end":"16:58","startHours":15.960260423944707,"endHours":16.960260423944707,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:58","end":"17:58","startHours":16.960260423944707,"endHours":17.960260423944707,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:58","end":"18:58","startHours":17.960260423944707,"endHours":18.960260423944707,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:58","end":"19:58","startHours":18.960260423944707,"endHours":19.960260423944707,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:58","end":"20:58","startHours":19.960260423944707,"endHours":20.960260423944707,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:58","end":"21:58","startHours":20.960260423944707,"endHours":21.960260423944707,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:58","end":"22:58","startHours":21.960260423944707,"endHours":22.960260423944707,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:58","end":"23:58","startHours":22.960260423944707,"endHours":23.960260423944707,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:58","end":"00:58","startHours":23.960260423944707,"endHours":24.960260423944707,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:58","end":"01:58","startHours":24.960260423944707,"endHours":25.960260423944707,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:58","end":"02:58","startHours":25.960260423944707,"endHours":26.960260423944707,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:58","end":"03:58","startHours":26.960260423944707,"endHours":27.960260423944707,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:58","end":"04:58","startHours":27.960260423944707,"endHours":28.960260423944707,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:58","end":"05:58","startHours":28.960260423944707,"endHours":29.960260423944707,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:58","end":"06:58","startHours":29.960260423944707,"endHours":30.960260423944707,"planetary_lord":"Venus"}],"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","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"West","rahuVasa":"North-East","anandadiYoga":{"name":"Lumba","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":15.605360559767151,"eotMinutes":-5.064503607358518,"ayanamsa":23.3586}},"calendars":{"vikram_samvat":2021,"vikram_samvatsara":"Piṅgala","saka_samvat":1886,"saka_samvatsara":"Krodhi","bengali_samvat":1371,"malayalam_era":1140,"nanakshahi_year":495,"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 Tṛtīyā · Vikram 2021 Piṅgala · Śaka 1886 Krodhi"},"festivals":[],"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 10, 1964 CE · Perth, Australia · Vidhyamitra","description":"August 10, 1964 CE for Perth, Australia: Śukla Tṛtīyā, sūryodaya 06:58, sūryāsta 17:46.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1964-08-10","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1964-08-10","sa":"https://sa.vidhyamitra.com/city/perth/1964-08-10","hi":"https://hi.vidhyamitra.com/city/perth/1964-08-10","x-default":"https://vidhyamitra.com/city/perth/1964-08-10"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T03:08:03.456Z","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":"2026-06-01T03:08:03.456Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T03:08:03.456Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}