{"id":"vidhyamitra:city-day:perth:1944-10-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1944-10-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1944-10-20","date_display":"October 20, 1944 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":1944,"month":10,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2431383.770833,"kali_year":5046,"ahargana":1842918.2708,"sun":{"sidereal_longitude":182.8601,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":216.4037,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":33.5435,"elapsed_within_tithi_degrees":9.5435},"nakshatra":{"number":17,"name":"Anurādhā","pada":1,"moon_longitude":216.4037,"elapsed_within_degrees":3.0703},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":39.2638},"karana":{"half_tithi_index":5,"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":1944,"month":10,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2431383.770833,"ahargana":1842918.2708,"kali_year":5046,"ayanamsa_lahiri":23.0819,"grahas":{"sun":{"sidereal_longitude":183.44871799999999,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":215.015718,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false,"latitude":3.7693},"mars":{"sidereal_longitude":192.14771799999994,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":183.53961800000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":145.82261800000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":214.44331799999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":78.039018,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":93.3213,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":273.3213,"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":1944,"month":10,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2431383.770833,"kali_year":5046,"ahargana":1842918.2708,"sun":{"sidereal_longitude":182.8601,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":216.4037,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":33.5435,"elapsed_within_tithi_degrees":9.5435},"nakshatra":{"number":17,"name":"Anurādhā","pada":1,"moon_longitude":216.4037,"elapsed_within_degrees":3.0703},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":39.2638},"karana":{"half_tithi_index":5,"name":"Gara"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.769,"elongation":33.544},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.769,"opposition_distance":146.456}},"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":"05:31","sunsetLocal":"18:31","solarNoonLocal":"12:01","dayLengthHours":12.995954966259767,"dayLengthDisplay":"12 Hours 59 Mins 45 Secs","nightLengthDisplay":"11 Hours 00 Mins 15 Secs","moonriseLocal":"07:12","moonsetLocal":"21:02","rahuKala":{"name":"Rāhu Kāla","start":"10:23","end":"12:01","startHours":10.389857775147007,"endHours":12.014352145929479,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:16","end":"16:53","startHours":15.26334088749442,"endHours":16.88783525827689,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:08","end":"08:46","startHours":7.140869033582066,"endHours":8.765363404364537,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:33","end":"08:59","startHours":8.548764154926875,"endHours":8.9819626538022,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:03","end":"06:24","startHours":6.0578727863937525,"endHours":6.404431585494013,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:35","end":"12:27","startHours":11.581153647054153,"endHours":12.447550644804805,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:47","end":"04:39","startHours":3.7835806672982932,"endHours":4.649977665048945,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:26","end":"05:31","startHours":4.433378415611282,"endHours":5.5163746627995955,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:11","end":"15:03","startHours":14.180344640306107,"endHours":15.046741638056758,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:19","end":"18:43","startHours":18.312329629059363,"endHours":18.71232962905936,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:31","end":"19:03","startHours":18.512329629059362,"endHours":19.05382775265352,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:16","end":"20:01","startHours":18.262329629059362,"endHours":20.012329629059362,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:35","end":"00:27","startHours":23.581153647054155,"endHours":24.447550644804803,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:31","end":"07:08","startHours":5.5163746627995955,"endHours":7.140869033582066,"quality":"neutral"},{"name":"Labha","start":"07:08","end":"08:46","startHours":7.140869033582066,"endHours":8.765363404364537,"quality":"auspicious"},{"name":"Amṛta","start":"08:46","end":"10:23","startHours":8.765363404364537,"endHours":10.389857775147007,"quality":"auspicious"},{"name":"Kāla","start":"10:23","end":"12:01","startHours":10.389857775147007,"endHours":12.014352145929479,"quality":"inauspicious"},{"name":"Śubha","start":"12:01","end":"13:38","startHours":12.014352145929479,"endHours":13.63884651671195,"quality":"auspicious"},{"name":"Roga","start":"13:38","end":"15:16","startHours":13.63884651671195,"endHours":15.26334088749442,"quality":"inauspicious"},{"name":"Udveg","start":"15:16","end":"16:53","startHours":15.26334088749442,"endHours":16.88783525827689,"quality":"inauspicious"},{"name":"Chala","start":"16:53","end":"18:31","startHours":16.88783525827689,"endHours":18.512329629059362,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:31","end":"19:53","startHours":18.512329629059362,"endHours":19.88783525827689,"quality":"inauspicious"},{"name":"Udveg","start":"19:53","end":"21:16","startHours":19.88783525827689,"endHours":21.263340887494422,"quality":"inauspicious"},{"name":"Chala","start":"21:16","end":"22:38","startHours":21.263340887494422,"endHours":22.63884651671195,"quality":"neutral"},{"name":"Labha","start":"22:38","end":"00:01","startHours":22.63884651671195,"endHours":24.01435214592948,"quality":"auspicious"},{"name":"Amṛta","start":"00:01","end":"01:23","startHours":24.01435214592948,"endHours":25.389857775147007,"quality":"auspicious"},{"name":"Kāla","start":"01:23","end":"02:46","startHours":25.389857775147007,"endHours":26.765363404364535,"quality":"inauspicious"},{"name":"Śubha","start":"02:46","end":"04:08","startHours":26.765363404364535,"endHours":28.140869033582067,"quality":"auspicious"},{"name":"Roga","start":"04:08","end":"05:31","startHours":28.140869033582067,"endHours":29.516374662799596,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:31","end":"06:31","startHours":5.5163746627995955,"endHours":6.5163746627995955,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:31","end":"07:31","startHours":6.5163746627995955,"endHours":7.5163746627995955,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:31","end":"08:31","startHours":7.5163746627995955,"endHours":8.516374662799596,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:31","end":"09:31","startHours":8.516374662799596,"endHours":9.516374662799596,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:31","end":"10:31","startHours":9.516374662799596,"endHours":10.516374662799596,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:31","end":"11:31","startHours":10.516374662799596,"endHours":11.516374662799596,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:31","end":"12:31","startHours":11.516374662799596,"endHours":12.516374662799596,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:31","end":"13:31","startHours":12.516374662799596,"endHours":13.516374662799596,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:31","end":"14:31","startHours":13.516374662799596,"endHours":14.516374662799596,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:31","end":"15:31","startHours":14.516374662799596,"endHours":15.516374662799596,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:31","end":"16:31","startHours":15.516374662799596,"endHours":16.516374662799596,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:31","end":"17:31","startHours":16.516374662799596,"endHours":17.516374662799596,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:31","end":"18:31","startHours":17.516374662799596,"endHours":18.516374662799596,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:31","end":"19:31","startHours":18.516374662799596,"endHours":19.516374662799596,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:31","end":"20:31","startHours":19.516374662799596,"endHours":20.516374662799596,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:31","end":"21:31","startHours":20.516374662799596,"endHours":21.516374662799596,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:31","end":"22:31","startHours":21.516374662799596,"endHours":22.516374662799596,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:31","end":"23:31","startHours":22.516374662799596,"endHours":23.516374662799596,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:31","end":"00:31","startHours":23.516374662799596,"endHours":24.516374662799596,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:31","end":"01:31","startHours":24.516374662799596,"endHours":25.516374662799596,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:31","end":"02:31","startHours":25.516374662799596,"endHours":26.516374662799596,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:31","end":"03:31","startHours":26.516374662799596,"endHours":27.516374662799596,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:31","end":"04:31","startHours":27.516374662799596,"endHours":28.516374662799596,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:31","end":"05:31","startHours":28.516374662799596,"endHours":29.516374662799596,"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","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"North-East","rahuVasa":"South-East","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"tropicalRitu":"Śarad (Autumn)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-10.23334778717574,"eotMinutes":15.696871244231174,"ayanamsa":23.0819}},"calendars":{"vikram_samvat":2001,"vikram_samvatsara":"Hemalambī","saka_samvat":1866,"saka_samvatsara":"Tāraṇa","bengali_samvat":1351,"malayalam_era":1120,"nanakshahi_year":475,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika (Adhika) Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Kārtika","lunar_month_amanta":"Kārtika","lunar_month_is_adhika":true,"lunar_month_purnimanta_is_adhika":true,"lunar_month_amanta_is_adhika":true,"solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika (Adhika) Śukla Tṛtīyā · Vikram 2001 Hemalambī · Śaka 1866 Tāraṇa"},"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 20, 1944 CE · Perth, Australia · Vidhyamitra","description":"October 20, 1944 CE for Perth, Australia: Śukla Tṛtīyā, sūryodaya 05:31, sūryāsta 18:31.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1944-10-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1944-10-20","sa":"https://sa.vidhyamitra.com/city/perth/1944-10-20","hi":"https://hi.vidhyamitra.com/city/perth/1944-10-20","x-default":"https://vidhyamitra.com/city/perth/1944-10-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T21:00:42.041Z","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":"2026-06-01T21:00:42.041Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T21:00:42.041Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}