{"id":"vidhyamitra:city-day:perth:1963-10-11:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1963-10-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1963-10-11","date_display":"October 11, 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":10,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438313.770833,"kali_year":5065,"ahargana":1849848.2708,"sun":{"sidereal_longitude":173.0093,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":95.7403,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":282.7309,"elapsed_within_tithi_degrees":6.7309},"nakshatra":{"number":8,"name":"Puṣya","pada":1,"moon_longitude":95.7403,"elapsed_within_degrees":2.407},"yoga":{"number":21,"name":"Siddha","sum_longitude":268.7496},"karana":{"half_tithi_index":47,"name":"Gara"},"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":1963,"month":10,"day":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2438313.770833,"ahargana":1849848.2708,"kali_year":5065,"ayanamsa_lahiri":23.347,"grahas":{"sun":{"sidereal_longitude":173.66184099999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":98.89464099999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false,"latitude":0.75},"mars":{"sidereal_longitude":206.764141,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":157.68564100000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":351.406741,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":true},"venus":{"sidereal_longitude":185.38084100000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":293.900841,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":86.1365,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":266.1365,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","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":1963,"month":10,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438313.770833,"kali_year":5065,"ahargana":1849848.2708,"sun":{"sidereal_longitude":173.0093,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":95.7403,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":282.7309,"elapsed_within_tithi_degrees":6.7309},"nakshatra":{"number":8,"name":"Puṣya","pada":1,"moon_longitude":95.7403,"elapsed_within_degrees":2.407},"yoga":{"number":21,"name":"Siddha","sum_longitude":268.7496},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.75,"elongation":77.269},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.75,"opposition_distance":102.731}},"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":"05:42","sunsetLocal":"18:23","solarNoonLocal":"12:03","dayLengthHours":12.690838903756017,"dayLengthDisplay":"12 Hours 41 Mins 27 Secs","nightLengthDisplay":"11 Hours 18 Mins 33 Secs","moonriseLocal":"01:52","moonsetLocal":"12:15","rahuKala":{"name":"Rāhu Kāla","start":"10:27","end":"12:03","startHours":10.456505570426664,"endHours":12.042860433396164,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:13","end":"16:48","startHours":15.215570159335169,"endHours":16.801925022304673,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:17","end":"08:52","startHours":7.283795844487659,"endHours":8.87015070745716,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:40","end":"09:05","startHours":8.658636725727895,"endHours":9.081664689186429,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:14","end":"06:34","startHours":6.226225935841324,"endHours":6.564648306608151,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:37","end":"12:28","startHours":11.61983246993763,"endHours":12.465888396854698,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:00","end":"04:51","startHours":4.005329127684021,"endHours":4.851385054601089,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:38","end":"05:42","startHours":4.639871072871822,"endHours":5.697440981518157,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"15:00","startHours":14.158000250688833,"endHours":15.0040561776059,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:11","end":"18:35","startHours":18.188279885274174,"endHours":18.588279885274172,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:23","end":"18:55","startHours":18.388279885274173,"endHours":18.91706483959734,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:08","end":"19:53","startHours":18.138279885274173,"endHours":19.888279885274173,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:37","end":"00:28","startHours":23.61983246993763,"endHours":24.465888396854698,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:42","end":"07:17","startHours":5.697440981518157,"endHours":7.283795844487659,"quality":"neutral"},{"name":"Labha","start":"07:17","end":"08:52","startHours":7.283795844487659,"endHours":8.87015070745716,"quality":"auspicious"},{"name":"Amṛta","start":"08:52","end":"10:27","startHours":8.87015070745716,"endHours":10.456505570426664,"quality":"auspicious"},{"name":"Kāla","start":"10:27","end":"12:03","startHours":10.456505570426664,"endHours":12.042860433396164,"quality":"inauspicious"},{"name":"Śubha","start":"12:03","end":"13:38","startHours":12.042860433396164,"endHours":13.629215296365668,"quality":"auspicious"},{"name":"Roga","start":"13:38","end":"15:13","startHours":13.629215296365668,"endHours":15.215570159335169,"quality":"inauspicious"},{"name":"Udveg","start":"15:13","end":"16:48","startHours":15.215570159335169,"endHours":16.801925022304673,"quality":"inauspicious"},{"name":"Chala","start":"16:48","end":"18:23","startHours":16.801925022304673,"endHours":18.388279885274173,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:23","end":"19:48","startHours":18.388279885274173,"endHours":19.801925022304673,"quality":"inauspicious"},{"name":"Udveg","start":"19:48","end":"21:13","startHours":19.801925022304673,"endHours":21.21557015933517,"quality":"inauspicious"},{"name":"Chala","start":"21:13","end":"22:38","startHours":21.21557015933517,"endHours":22.629215296365665,"quality":"neutral"},{"name":"Labha","start":"22:38","end":"00:03","startHours":22.629215296365665,"endHours":24.042860433396164,"quality":"auspicious"},{"name":"Amṛta","start":"00:03","end":"01:27","startHours":24.042860433396164,"endHours":25.456505570426664,"quality":"auspicious"},{"name":"Kāla","start":"01:27","end":"02:52","startHours":25.456505570426664,"endHours":26.87015070745716,"quality":"inauspicious"},{"name":"Śubha","start":"02:52","end":"04:17","startHours":26.87015070745716,"endHours":28.283795844487656,"quality":"auspicious"},{"name":"Roga","start":"04:17","end":"05:42","startHours":28.283795844487656,"endHours":29.697440981518156,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:42","end":"06:42","startHours":5.697440981518157,"endHours":6.697440981518157,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:42","end":"07:42","startHours":6.697440981518157,"endHours":7.697440981518157,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:42","end":"08:42","startHours":7.697440981518157,"endHours":8.697440981518156,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:42","end":"09:42","startHours":8.697440981518156,"endHours":9.697440981518156,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:42","end":"10:42","startHours":9.697440981518156,"endHours":10.697440981518156,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:42","end":"11:42","startHours":10.697440981518156,"endHours":11.697440981518156,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:42","end":"12:42","startHours":11.697440981518156,"endHours":12.697440981518156,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:42","end":"13:42","startHours":12.697440981518156,"endHours":13.697440981518156,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:42","end":"14:42","startHours":13.697440981518156,"endHours":14.697440981518156,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:42","end":"15:42","startHours":14.697440981518156,"endHours":15.697440981518156,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:42","end":"16:42","startHours":15.697440981518156,"endHours":16.697440981518156,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:42","end":"17:42","startHours":16.697440981518156,"endHours":17.697440981518156,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:42","end":"18:42","startHours":17.697440981518156,"endHours":18.697440981518156,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:42","end":"19:42","startHours":18.697440981518156,"endHours":19.697440981518156,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:42","end":"20:42","startHours":19.697440981518156,"endHours":20.697440981518156,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:42","end":"21:42","startHours":20.697440981518156,"endHours":21.697440981518156,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:42","end":"22:42","startHours":21.697440981518156,"endHours":22.697440981518156,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:42","end":"23:42","startHours":22.697440981518156,"endHours":23.697440981518156,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:42","end":"00:42","startHours":23.697440981518156,"endHours":24.697440981518156,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:42","end":"01:42","startHours":24.697440981518156,"endHours":25.697440981518156,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:42","end":"02:42","startHours":25.697440981518156,"endHours":26.697440981518156,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:42","end":"03:42","startHours":26.697440981518156,"endHours":27.697440981518156,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:42","end":"04:42","startHours":27.697440981518156,"endHours":28.697440981518156,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:42","end":"05:42","startHours":28.697440981518156,"endHours":29.697440981518156,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"South-East","anandadiYoga":{"name":"Dhātṛ","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-6.681174432659377,"eotMinutes":13.986373996230075,"ayanamsa":23.347}},"calendars":{"vikram_samvat":2020,"vikram_samvatsara":"Nala","saka_samvat":1885,"saka_samvatsara":"Śobhana","bengali_samvat":1370,"malayalam_era":1139,"nanakshahi_year":494,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina (Adhika) Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Āśvina","lunar_month_is_adhika":true,"lunar_month_purnimanta_is_adhika":true,"lunar_month_amanta_is_adhika":true,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina (Adhika) Kṛṣṇa Navamī · Vikram 2020 Nala · Śaka 1885 Śobhana"},"festivals":[],"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 October 11, 1963 CE · Perth, Australia · Vidhyamitra","description":"October 11, 1963 CE for Perth, Australia: Kṛṣṇa Navamī, sūryodaya 05:42, sūryāsta 18:23.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1963-10-11","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1963-10-11","sa":"https://sa.vidhyamitra.com/city/perth/1963-10-11","hi":"https://hi.vidhyamitra.com/city/perth/1963-10-11","x-default":"https://vidhyamitra.com/city/perth/1963-10-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T00:28:36.630Z","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":"2026-06-01T00:28:36.630Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T00:28:36.630Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}