{"id":"vidhyamitra:city-day:perth:1963-07-29:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1963-07-29","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1963-07-29","date_display":"July 29, 1963 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":1963,"month":7,"day":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438239.770833,"kali_year":5065,"ahargana":1849774.2708,"sun":{"sidereal_longitude":101.4508,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":197.1615,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":95.7107,"elapsed_within_tithi_degrees":11.7107},"nakshatra":{"number":15,"name":"Svātī","pada":4,"moon_longitude":197.1615,"elapsed_within_degrees":10.4948},"yoga":{"number":23,"name":"Śubha","sum_longitude":298.6123},"karana":{"half_tithi_index":15,"name":"Bava"},"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":1963,"month":7,"day":29,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2438239.770833,"ahargana":1849774.2708,"kali_year":5065,"ayanamsa_lahiri":23.3441,"grahas":{"sun":{"sidereal_longitude":101.88066800000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"moon":{"sidereal_longitude":197.23976800000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false,"latitude":4.3006},"mars":{"sidereal_longitude":158.31906800000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":118.017268,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":356.609468,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":93.61726799999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":298.24286800000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":90.0574,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":270.0574,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara 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":1963,"month":7,"day":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438239.770833,"kali_year":5065,"ahargana":1849774.2708,"sun":{"sidereal_longitude":101.4508,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":197.1615,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":95.7107,"elapsed_within_tithi_degrees":11.7107},"nakshatra":{"number":15,"name":"Svātī","pada":4,"moon_longitude":197.1615,"elapsed_within_degrees":10.4948},"yoga":{"number":23,"name":"Śubha","sum_longitude":298.6123},"karana":{"half_tithi_index":15,"name":"Bava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.301,"elongation":95.711},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.301,"opposition_distance":84.289}},"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":"07:08","sunsetLocal":"17:37","solarNoonLocal":"12:23","dayLengthHours":10.491813010384739,"dayLengthDisplay":"10 Hours 29 Mins 31 Secs","nightLengthDisplay":"13 Hours 30 Mins 29 Secs","moonriseLocal":"12:03","moonsetLocal":"01:25","rahuKala":{"name":"Rāhu Kāla","start":"08:27","end":"09:45","startHours":8.443997727864827,"endHours":9.75547435416292,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:04","end":"12:23","startHours":11.066950980461012,"endHours":12.378427606759104,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:41","end":"15:00","startHours":13.689904233057197,"endHours":15.00138085935529,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:35","end":"09:56","startHours":9.580610803989842,"endHours":9.930337904336,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:34","end":"07:51","startHours":7.569679976999432,"endHours":7.8494616572763585,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:02","end":"12:44","startHours":12.028700506412946,"endHours":12.728154707105261,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:44","end":"06:26","startHours":5.733612700182103,"endHours":6.433066900874419,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:15","end":"07:08","startHours":6.25820335070134,"endHours":7.132521101566735,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:08","end":"14:50","startHours":14.127063108489894,"endHours":14.82651730918221,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:25","end":"17:49","startHours":17.424334111951474,"endHours":17.824334111951472,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:37","end":"18:04","startHours":17.624334111951473,"endHours":18.06149298738417,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:22","end":"19:07","startHours":17.374334111951473,"endHours":19.124334111951473,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:02","end":"00:44","startHours":24.028700506412946,"endHours":24.72815470710526,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:08","end":"08:27","startHours":7.132521101566735,"endHours":8.443997727864827,"quality":"auspicious"},{"name":"Kāla","start":"08:27","end":"09:45","startHours":8.443997727864827,"endHours":9.75547435416292,"quality":"inauspicious"},{"name":"Śubha","start":"09:45","end":"11:04","startHours":9.75547435416292,"endHours":11.066950980461012,"quality":"auspicious"},{"name":"Roga","start":"11:04","end":"12:23","startHours":11.066950980461012,"endHours":12.378427606759104,"quality":"inauspicious"},{"name":"Udveg","start":"12:23","end":"13:41","startHours":12.378427606759104,"endHours":13.689904233057197,"quality":"inauspicious"},{"name":"Chala","start":"13:41","end":"15:00","startHours":13.689904233057197,"endHours":15.00138085935529,"quality":"neutral"},{"name":"Labha","start":"15:00","end":"16:19","startHours":15.00138085935529,"endHours":16.31285748565338,"quality":"auspicious"},{"name":"Amṛta","start":"16:19","end":"17:37","startHours":16.31285748565338,"endHours":17.624334111951473,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:37","end":"19:19","startHours":17.624334111951473,"endHours":19.31285748565338,"quality":"neutral"},{"name":"Labha","start":"19:19","end":"21:00","startHours":19.31285748565338,"endHours":21.001380859355287,"quality":"auspicious"},{"name":"Amṛta","start":"21:00","end":"22:41","startHours":21.001380859355287,"endHours":22.689904233057195,"quality":"auspicious"},{"name":"Kāla","start":"22:41","end":"00:23","startHours":22.689904233057195,"endHours":24.378427606759104,"quality":"inauspicious"},{"name":"Śubha","start":"00:23","end":"02:04","startHours":24.378427606759104,"endHours":26.066950980461012,"quality":"auspicious"},{"name":"Roga","start":"02:04","end":"03:45","startHours":26.066950980461012,"endHours":27.75547435416292,"quality":"inauspicious"},{"name":"Udveg","start":"03:45","end":"05:27","startHours":27.75547435416292,"endHours":29.443997727864826,"quality":"inauspicious"},{"name":"Chala","start":"05:27","end":"07:08","startHours":29.443997727864826,"endHours":31.132521101566734,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:08","end":"08:08","startHours":7.132521101566735,"endHours":8.132521101566734,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:08","end":"09:08","startHours":8.132521101566734,"endHours":9.132521101566734,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:08","end":"10:08","startHours":9.132521101566734,"endHours":10.132521101566734,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:08","end":"11:08","startHours":10.132521101566734,"endHours":11.132521101566734,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:08","end":"12:08","startHours":11.132521101566734,"endHours":12.132521101566734,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:08","end":"13:08","startHours":12.132521101566734,"endHours":13.132521101566734,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:08","end":"14:08","startHours":13.132521101566734,"endHours":14.132521101566734,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:08","end":"15:08","startHours":14.132521101566734,"endHours":15.132521101566734,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:08","end":"16:08","startHours":15.132521101566734,"endHours":16.132521101566734,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:08","end":"17:08","startHours":16.132521101566734,"endHours":17.132521101566734,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:08","end":"18:08","startHours":17.132521101566734,"endHours":18.132521101566734,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:08","end":"19:08","startHours":18.132521101566734,"endHours":19.132521101566734,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:08","end":"20:08","startHours":19.132521101566734,"endHours":20.132521101566734,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:08","end":"21:08","startHours":20.132521101566734,"endHours":21.132521101566734,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:08","end":"22:08","startHours":21.132521101566734,"endHours":22.132521101566734,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:08","end":"23:08","startHours":22.132521101566734,"endHours":23.132521101566734,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:08","end":"00:08","startHours":23.132521101566734,"endHours":24.132521101566734,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:08","end":"01:08","startHours":24.132521101566734,"endHours":25.132521101566734,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:08","end":"02:08","startHours":25.132521101566734,"endHours":26.132521101566734,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:08","end":"03:08","startHours":26.132521101566734,"endHours":27.132521101566734,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:08","end":"04:08","startHours":27.132521101566734,"endHours":28.132521101566734,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:08","end":"05:08","startHours":28.132521101566734,"endHours":29.132521101566734,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:08","end":"06:08","startHours":29.132521101566734,"endHours":30.132521101566734,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:08","end":"07:08","startHours":30.132521101566734,"endHours":31.132521101566734,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"North","rahuVasa":"North-East","anandadiYoga":{"name":"Siddhi","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":18.959874881091963,"eotMinutes":-6.147656405546237,"ayanamsa":23.3441}},"calendars":{"vikram_samvat":2020,"vikram_samvatsara":"Nala","saka_samvat":1885,"saka_samvatsara":"Śobhana","bengali_samvat":1370,"malayalam_era":1139,"nanakshahi_year":494,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Aṣṭamī · Vikram 2020 Nala · Śaka 1885 Śobhana"},"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":[{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","url":"/day/-3137-12-25","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 July 29, 1963 CE · Perth, Australia · Vidhyamitra","description":"July 29, 1963 CE for Perth, Australia: Śukla Aṣṭamī, sūryodaya 07:08, sūryāsta 17:37.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1963-07-29","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1963-07-29","sa":"https://sa.vidhyamitra.com/city/perth/1963-07-29","hi":"https://hi.vidhyamitra.com/city/perth/1963-07-29","x-default":"https://vidhyamitra.com/city/perth/1963-07-29"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-20T16:50:43.004Z","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":"2026-05-20T16:50:43.004Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-20T16:50:43.004Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}