{"id":"vidhyamitra:city-day:perth:1920-11-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1920-11-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1920-11-17","date_display":"November 17, 1920 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":1920,"month":11,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2422645.770833,"kali_year":5022,"ahargana":1834180.2708,"sun":{"sidereal_longitude":211.2462,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":284.881,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":73.6348,"elapsed_within_tithi_degrees":1.6348},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2,"moon_longitude":284.881,"elapsed_within_degrees":4.881},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":136.1271},"karana":{"half_tithi_index":12,"name":"Gara"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":1920,"month":11,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2422645.770833,"ahargana":1834180.2708,"kali_year":5022,"ayanamsa_lahiri":22.7477,"grahas":{"sun":{"sidereal_longitude":211.651073,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":281.79257299999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false,"latitude":4.4986},"mars":{"sidereal_longitude":270.29567299999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":210.99877300000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":143.29967299999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":247.54807300000004,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":150.33477300000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":196.3026,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":16.3026,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"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":1920,"month":11,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2422645.770833,"kali_year":5022,"ahargana":1834180.2708,"sun":{"sidereal_longitude":211.2462,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":284.881,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":73.6348,"elapsed_within_tithi_degrees":1.6348},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2,"moon_longitude":284.881,"elapsed_within_degrees":4.881},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":136.1271},"karana":{"half_tithi_index":12,"name":"Gara"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.499,"elongation":73.635},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.499,"opposition_distance":106.365}},"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":"05:09","sunsetLocal":"18:56","solarNoonLocal":"12:02","dayLengthHours":13.78274968134056,"dayLengthDisplay":"13 Hours 46 Mins 58 Secs","nightLengthDisplay":"10 Hours 13 Mins 02 Secs","moonriseLocal":"09:50","moonsetLocal":"23:36","rahuKala":{"name":"Rāhu Kāla","start":"12:02","end":"13:45","startHours":12.035246231929698,"endHours":13.758089942097268,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:52","end":"08:35","startHours":6.866715101426989,"endHours":8.589558811594559,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:19","end":"12:02","startHours":10.312402521762127,"endHours":12.035246231929698,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:22","end":"08:49","startHours":8.35984631690555,"endHours":8.819271306283568,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:43","end":"06:05","startHours":5.718152627981942,"endHours":6.085692619484357,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:35","end":"12:30","startHours":11.57582124255168,"endHours":12.494671221307716,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:18","end":"04:14","startHours":3.306171433747344,"endHours":4.225021412503381,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:00","end":"05:09","startHours":3.9953089178143717,"endHours":5.1438713912594185,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:20","end":"15:15","startHours":14.332371178819793,"endHours":15.25122115757583,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:44","end":"19:08","startHours":18.72662107259998,"endHours":19.126621072599978,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:56","end":"19:30","startHours":18.92662107259998,"endHours":19.500902309322502,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:41","end":"20:26","startHours":18.67662107259998,"endHours":20.42662107259998,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:35","end":"00:30","startHours":23.57582124255168,"endHours":24.494671221307716,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:09","end":"06:52","startHours":5.1438713912594185,"endHours":6.866715101426989,"quality":"auspicious"},{"name":"Amṛta","start":"06:52","end":"08:35","startHours":6.866715101426989,"endHours":8.589558811594559,"quality":"auspicious"},{"name":"Kāla","start":"08:35","end":"10:19","startHours":8.589558811594559,"endHours":10.312402521762127,"quality":"inauspicious"},{"name":"Śubha","start":"10:19","end":"12:02","startHours":10.312402521762127,"endHours":12.035246231929698,"quality":"auspicious"},{"name":"Roga","start":"12:02","end":"13:45","startHours":12.035246231929698,"endHours":13.758089942097268,"quality":"inauspicious"},{"name":"Udveg","start":"13:45","end":"15:29","startHours":13.758089942097268,"endHours":15.480933652264838,"quality":"inauspicious"},{"name":"Chala","start":"15:29","end":"17:12","startHours":15.480933652264838,"endHours":17.203777362432408,"quality":"neutral"},{"name":"Labha","start":"17:12","end":"18:56","startHours":17.203777362432408,"endHours":18.92662107259998,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:56","end":"20:12","startHours":18.92662107259998,"endHours":20.203777362432408,"quality":"inauspicious"},{"name":"Chala","start":"20:12","end":"21:29","startHours":20.203777362432408,"endHours":21.480933652264838,"quality":"neutral"},{"name":"Labha","start":"21:29","end":"22:45","startHours":21.480933652264838,"endHours":22.758089942097268,"quality":"auspicious"},{"name":"Amṛta","start":"22:45","end":"00:02","startHours":22.758089942097268,"endHours":24.035246231929698,"quality":"auspicious"},{"name":"Kāla","start":"00:02","end":"01:19","startHours":24.035246231929698,"endHours":25.312402521762127,"quality":"inauspicious"},{"name":"Śubha","start":"01:19","end":"02:35","startHours":25.312402521762127,"endHours":26.589558811594557,"quality":"auspicious"},{"name":"Roga","start":"02:35","end":"03:52","startHours":26.589558811594557,"endHours":27.86671510142699,"quality":"inauspicious"},{"name":"Udveg","start":"03:52","end":"05:09","startHours":27.86671510142699,"endHours":29.143871391259417,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:09","end":"06:09","startHours":5.1438713912594185,"endHours":6.1438713912594185,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:09","end":"07:09","startHours":6.1438713912594185,"endHours":7.1438713912594185,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:09","end":"08:09","startHours":7.1438713912594185,"endHours":8.143871391259419,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:09","end":"09:09","startHours":8.143871391259419,"endHours":9.143871391259419,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:09","end":"10:09","startHours":9.143871391259419,"endHours":10.143871391259419,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:09","end":"11:09","startHours":10.143871391259419,"endHours":11.143871391259419,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:09","end":"12:09","startHours":11.143871391259419,"endHours":12.143871391259419,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:09","end":"13:09","startHours":12.143871391259419,"endHours":13.143871391259419,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:09","end":"14:09","startHours":13.143871391259419,"endHours":14.143871391259419,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:09","end":"15:09","startHours":14.143871391259419,"endHours":15.143871391259419,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:09","end":"16:09","startHours":15.143871391259419,"endHours":16.143871391259417,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:09","end":"17:09","startHours":16.143871391259417,"endHours":17.143871391259417,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:09","end":"18:09","startHours":17.143871391259417,"endHours":18.143871391259417,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:09","end":"19:09","startHours":18.143871391259417,"endHours":19.143871391259417,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:09","end":"20:09","startHours":19.143871391259417,"endHours":20.143871391259417,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:09","end":"21:09","startHours":20.143871391259417,"endHours":21.143871391259417,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:09","end":"22:09","startHours":21.143871391259417,"endHours":22.143871391259417,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:09","end":"23:09","startHours":22.143871391259417,"endHours":23.143871391259417,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:09","end":"00:09","startHours":23.143871391259417,"endHours":24.143871391259417,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:09","end":"01:09","startHours":24.143871391259417,"endHours":25.143871391259417,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:09","end":"02:09","startHours":25.143871391259417,"endHours":26.143871391259417,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:09","end":"03:09","startHours":26.143871391259417,"endHours":27.143871391259417,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:09","end":"04:09","startHours":27.143871391259417,"endHours":28.143871391259417,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:09","end":"05:09","startHours":28.143871391259417,"endHours":29.143871391259417,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"South-West","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"tropicalRitu":"Śarad (Autumn)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-18.868159522740267,"eotMinutes":14.443226084218118,"ayanamsa":22.7477}},"calendars":{"vikram_samvat":1977,"vikram_samvatsara":"Śrīmukha","saka_samvat":1842,"saka_samvatsara":"Raudra","bengali_samvat":1327,"malayalam_era":1096,"nanakshahi_year":451,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Kārtika","lunar_month_amanta":"Kārtika","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛścika (Kārttikai)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Śukla Saptamī · Vikram 1977 Śrīmukha · Śaka 1842 Raudra"},"festivals":[],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 November 17, 1920 CE · Perth, Australia · Vidhyamitra","description":"November 17, 1920 CE for Perth, Australia: Śukla Saptamī, sūryodaya 05:09, sūryāsta 18:56.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1920-11-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1920-11-17","sa":"https://sa.vidhyamitra.com/city/perth/1920-11-17","hi":"https://hi.vidhyamitra.com/city/perth/1920-11-17","x-default":"https://vidhyamitra.com/city/perth/1920-11-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T21:57:34.221Z","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":"2026-06-01T21:57:34.221Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T21:57:34.221Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}