{"id":"vidhyamitra:city-day:perth:1919-01-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1919-01-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1919-01-16","date_display":"January 16, 1919 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":1919,"month":1,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2421974.770833,"kali_year":5020,"ahargana":1833509.2708,"sun":{"sidereal_longitude":272.227,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":90.082,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":177.855,"elapsed_within_tithi_degrees":9.855},"nakshatra":{"number":7,"name":"Punarvasu","pada":4,"moon_longitude":90.082,"elapsed_within_degrees":10.082},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":2.309},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":1919,"month":1,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2421974.770833,"ahargana":1833509.2708,"kali_year":5020,"ayanamsa_lahiri":22.722,"grahas":{"sun":{"sidereal_longitude":272.13881100000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":88.05761100000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false,"latitude":-2.7827},"mars":{"sidereal_longitude":299.385711,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":251.216411,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":76.58601099999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":285.97391100000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":124.82411100000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":231.8554,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":51.8554,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","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":1919,"month":1,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2421974.770833,"kali_year":5020,"ahargana":1833509.2708,"sun":{"sidereal_longitude":272.227,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":90.082,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":177.855,"elapsed_within_tithi_degrees":9.855},"nakshatra":{"number":7,"name":"Punarvasu","pada":4,"moon_longitude":90.082,"elapsed_within_degrees":10.082},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":2.309},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.783,"elongation":177.855},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.783,"opposition_distance":2.145}},"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":"05:26","sunsetLocal":"19:26","solarNoonLocal":"12:26","dayLengthHours":14.006972604172086,"dayLengthDisplay":"14 Hours 00 Mins 25 Secs","nightLengthDisplay":"9 Hours 59 Mins 35 Secs","moonriseLocal":"19:05","moonsetLocal":"05:15","rahuKala":{"name":"Rāhu Kāla","start":"14:11","end":"15:56","startHours":14.188386601217806,"endHours":15.939258176739317,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:26","end":"07:11","startHours":5.434028723610252,"endHours":7.184900299131763,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:56","end":"10:41","startHours":8.935771874653273,"endHours":10.686643450174785,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:42","end":"09:10","startHours":8.702322331250405,"endHours":9.169221418056143,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:01","end":"06:23","startHours":6.017652582117423,"endHours":6.391171851562012,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:58","end":"12:54","startHours":11.970615938890559,"endHours":12.90441411250203,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:34","end":"04:30","startHours":3.5664323763873074,"endHours":4.50023054999878,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:16","end":"05:26","startHours":4.266781006595911,"endHours":5.434028723610252,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:46","end":"15:42","startHours":14.772010459724976,"endHours":15.70580863333645,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:14","end":"19:38","startHours":19.24100132778234,"endHours":19.641001327782337,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:26","end":"20:01","startHours":19.441001327782338,"endHours":20.02462518628951,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:11","end":"20:56","startHours":19.191001327782338,"endHours":20.941001327782338,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:58","end":"00:54","startHours":23.970615938890557,"endHours":24.904414112502028,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:26","end":"07:11","startHours":5.434028723610252,"endHours":7.184900299131763,"quality":"auspicious"},{"name":"Roga","start":"07:11","end":"08:56","startHours":7.184900299131763,"endHours":8.935771874653273,"quality":"inauspicious"},{"name":"Udveg","start":"08:56","end":"10:41","startHours":8.935771874653273,"endHours":10.686643450174785,"quality":"inauspicious"},{"name":"Chala","start":"10:41","end":"12:26","startHours":10.686643450174785,"endHours":12.437515025696296,"quality":"neutral"},{"name":"Labha","start":"12:26","end":"14:11","startHours":12.437515025696296,"endHours":14.188386601217806,"quality":"auspicious"},{"name":"Amṛta","start":"14:11","end":"15:56","startHours":14.188386601217806,"endHours":15.939258176739317,"quality":"auspicious"},{"name":"Kāla","start":"15:56","end":"17:41","startHours":15.939258176739317,"endHours":17.690129752260827,"quality":"inauspicious"},{"name":"Śubha","start":"17:41","end":"19:26","startHours":17.690129752260827,"endHours":19.441001327782338,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"19:26","end":"20:41","startHours":19.441001327782338,"endHours":20.690129752260827,"quality":"auspicious"},{"name":"Kāla","start":"20:41","end":"21:56","startHours":20.690129752260827,"endHours":21.939258176739315,"quality":"inauspicious"},{"name":"Śubha","start":"21:56","end":"23:11","startHours":21.939258176739315,"endHours":23.188386601217807,"quality":"auspicious"},{"name":"Roga","start":"23:11","end":"00:26","startHours":23.188386601217807,"endHours":24.437515025696296,"quality":"inauspicious"},{"name":"Udveg","start":"00:26","end":"01:41","startHours":24.437515025696296,"endHours":25.686643450174785,"quality":"inauspicious"},{"name":"Chala","start":"01:41","end":"02:56","startHours":25.686643450174785,"endHours":26.935771874653273,"quality":"neutral"},{"name":"Labha","start":"02:56","end":"04:11","startHours":26.935771874653273,"endHours":28.184900299131762,"quality":"auspicious"},{"name":"Amṛta","start":"04:11","end":"05:26","startHours":28.184900299131762,"endHours":29.434028723610254,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:26","end":"06:26","startHours":5.434028723610252,"endHours":6.434028723610252,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:26","end":"07:26","startHours":6.434028723610252,"endHours":7.434028723610252,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:26","end":"08:26","startHours":7.434028723610252,"endHours":8.434028723610252,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:26","end":"09:26","startHours":8.434028723610252,"endHours":9.434028723610252,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:26","end":"10:26","startHours":9.434028723610252,"endHours":10.434028723610252,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:26","end":"11:26","startHours":10.434028723610252,"endHours":11.434028723610252,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:26","end":"12:26","startHours":11.434028723610252,"endHours":12.434028723610252,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:26","end":"13:26","startHours":12.434028723610252,"endHours":13.434028723610252,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:26","end":"14:26","startHours":13.434028723610252,"endHours":14.434028723610252,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:26","end":"15:26","startHours":14.434028723610252,"endHours":15.434028723610252,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:26","end":"16:26","startHours":15.434028723610252,"endHours":16.434028723610254,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:26","end":"17:26","startHours":16.434028723610254,"endHours":17.434028723610254,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:26","end":"18:26","startHours":17.434028723610254,"endHours":18.434028723610254,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:26","end":"19:26","startHours":18.434028723610254,"endHours":19.434028723610254,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:26","end":"20:26","startHours":19.434028723610254,"endHours":20.434028723610254,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:26","end":"21:26","startHours":20.434028723610254,"endHours":21.434028723610254,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:26","end":"22:26","startHours":21.434028723610254,"endHours":22.434028723610254,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:26","end":"23:26","startHours":22.434028723610254,"endHours":23.434028723610254,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:26","end":"00:26","startHours":23.434028723610254,"endHours":24.434028723610254,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:26","end":"01:26","startHours":24.434028723610254,"endHours":25.434028723610254,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:26","end":"02:26","startHours":25.434028723610254,"endHours":26.434028723610254,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:26","end":"03:26","startHours":26.434028723610254,"endHours":27.434028723610254,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:26","end":"04:26","startHours":27.434028723610254,"endHours":28.434028723610254,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:26","end":"05:26","startHours":28.434028723610254,"endHours":29.434028723610254,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South","rahuVasa":"North-West","anandadiYoga":{"name":"Gada","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-21.153961064244573,"eotMinutes":-9.692901541777706,"ayanamsa":22.722}},"calendars":{"vikram_samvat":1976,"vikram_samvatsara":"Aṅgirasa","saka_samvat":1841,"saka_samvatsara":"Siddhārthī","bengali_samvat":1326,"malayalam_era":1095,"nanakshahi_year":450,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Pūrṇimā · Vikram 1976 Aṅgirasa · Śaka 1841 Siddhārthī"},"festivals":[{"id":"paush-purnima","name":"Pauṣa Pūrṇimā (Śākambharī Devī Jayantī)","name_sanskrit":"पौष पूर्णिमा","tradition":"Pan-Hindu","associated_deity":"Devī Śākambharī","significance":"Manifestation of Devī Śākambharī (vegetation-mother).","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Pauṣa"},"precedence":3}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Śukla Pūrṇimā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Punarvasu","url":"/day/-1626101-04-03","relevance":0.5},{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Śukla Pūrṇimā","url":"/day/-0562-04-11","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 January 16, 1919 CE · Perth, Australia · Vidhyamitra","description":"January 16, 1919 CE for Perth, Australia: Śukla Pūrṇimā, sūryodaya 05:26, sūryāsta 19:26.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1919-01-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1919-01-16","sa":"https://sa.vidhyamitra.com/city/perth/1919-01-16","hi":"https://hi.vidhyamitra.com/city/perth/1919-01-16","x-default":"https://vidhyamitra.com/city/perth/1919-01-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T03:59:36.415Z","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":"2026-06-02T03:59:36.415Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T03:59:36.415Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}