{"id":"vidhyamitra:city-day:perth:1909-01-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1909-01-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1909-01-17","date_display":"January 17, 1909 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":1909,"month":1,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2418323.770833,"kali_year":5010,"ahargana":1829858.2708,"sun":{"sidereal_longitude":273.8565,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":211.6581,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":297.8016,"elapsed_within_tithi_degrees":9.8016},"nakshatra":{"number":16,"name":"Viśākhā","pada":4,"moon_longitude":211.6581,"elapsed_within_degrees":11.6581},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":125.5146},"karana":{"half_tithi_index":49,"name":"Viṣṭi"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":1909,"month":1,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2418323.770833,"ahargana":1829858.2708,"kali_year":5010,"ayanamsa_lahiri":22.5824,"grahas":{"sun":{"sidereal_longitude":273.73210599999993,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":209.82390599999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false,"latitude":2.4914},"mars":{"sidereal_longitude":223.27590599999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":289.704706,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":142.559506,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":true},"venus":{"sidereal_longitude":250.02600600000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":343.438106,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":65.3029,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":245.3029,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","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":1909,"month":1,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2418323.770833,"kali_year":5010,"ahargana":1829858.2708,"sun":{"sidereal_longitude":273.8565,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":211.6581,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":297.8016,"elapsed_within_tithi_degrees":9.8016},"nakshatra":{"number":16,"name":"Viśākhā","pada":4,"moon_longitude":211.6581,"elapsed_within_degrees":11.6581},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":125.5146},"karana":{"half_tithi_index":49,"name":"Viṣṭi"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.491,"elongation":62.198},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.491,"opposition_distance":117.802}},"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":"05:27","sunsetLocal":"19:26","solarNoonLocal":"12:27","dayLengthHours":13.980287976478623,"dayLengthDisplay":"13 Hours 58 Mins 49 Secs","nightLengthDisplay":"10 Hours 01 Mins 11 Secs","moonriseLocal":"01:20","moonsetLocal":"15:02","rahuKala":{"name":"Rāhu Kāla","start":"17:41","end":"19:26","startHours":17.68567613694796,"endHours":19.43321213400779,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:27","end":"14:11","startHours":12.443068145768478,"endHours":14.190604142828306,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:56","end":"17:41","startHours":15.938140139888134,"endHours":17.68567613694796,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:43","end":"09:11","startHours":8.714991352040844,"endHours":9.181000951256799,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:02","end":"06:24","startHours":6.035436156549109,"endHours":6.408243835921872,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:59","end":"12:55","startHours":11.977058546552524,"endHours":12.909077744984433,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:35","end":"04:31","startHours":3.5888857606653497,"endHours":4.520904959097258,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:17","end":"05:27","startHours":4.287900159489281,"endHours":5.452924157529166,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:46","end":"15:42","startHours":14.773116141848247,"endHours":15.705135340280155,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:14","end":"19:38","startHours":19.23321213400779,"endHours":19.63321213400779,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:26","end":"20:01","startHours":19.43321213400779,"endHours":20.01572413302773,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:11","end":"20:56","startHours":19.18321213400779,"endHours":20.93321213400779,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:59","end":"00:55","startHours":23.977058546552524,"endHours":24.909077744984433,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:27","end":"07:12","startHours":5.452924157529166,"endHours":7.200460154588994,"quality":"inauspicious"},{"name":"Chala","start":"07:12","end":"08:57","startHours":7.200460154588994,"endHours":8.947996151648821,"quality":"neutral"},{"name":"Labha","start":"08:57","end":"10:42","startHours":8.947996151648821,"endHours":10.69553214870865,"quality":"auspicious"},{"name":"Amṛta","start":"10:42","end":"12:27","startHours":10.69553214870865,"endHours":12.443068145768478,"quality":"auspicious"},{"name":"Kāla","start":"12:27","end":"14:11","startHours":12.443068145768478,"endHours":14.190604142828306,"quality":"inauspicious"},{"name":"Śubha","start":"14:11","end":"15:56","startHours":14.190604142828306,"endHours":15.938140139888134,"quality":"auspicious"},{"name":"Roga","start":"15:56","end":"17:41","startHours":15.938140139888134,"endHours":17.68567613694796,"quality":"inauspicious"},{"name":"Udveg","start":"17:41","end":"19:26","startHours":17.68567613694796,"endHours":19.43321213400779,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"19:26","end":"20:41","startHours":19.43321213400779,"endHours":20.68567613694796,"quality":"auspicious"},{"name":"Roga","start":"20:41","end":"21:56","startHours":20.68567613694796,"endHours":21.938140139888134,"quality":"inauspicious"},{"name":"Udveg","start":"21:56","end":"23:11","startHours":21.938140139888134,"endHours":23.190604142828306,"quality":"inauspicious"},{"name":"Chala","start":"23:11","end":"00:27","startHours":23.190604142828306,"endHours":24.44306814576848,"quality":"neutral"},{"name":"Labha","start":"00:27","end":"01:42","startHours":24.44306814576848,"endHours":25.69553214870865,"quality":"auspicious"},{"name":"Amṛta","start":"01:42","end":"02:57","startHours":25.69553214870865,"endHours":26.947996151648823,"quality":"auspicious"},{"name":"Kāla","start":"02:57","end":"04:12","startHours":26.947996151648823,"endHours":28.200460154588995,"quality":"inauspicious"},{"name":"Śubha","start":"04:12","end":"05:27","startHours":28.200460154588995,"endHours":29.452924157529168,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:27","end":"06:27","startHours":5.452924157529166,"endHours":6.452924157529166,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:27","end":"07:27","startHours":6.452924157529166,"endHours":7.452924157529166,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:27","end":"08:27","startHours":7.452924157529166,"endHours":8.452924157529166,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:27","end":"09:27","startHours":8.452924157529166,"endHours":9.452924157529166,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:27","end":"10:27","startHours":9.452924157529166,"endHours":10.452924157529166,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:27","end":"11:27","startHours":10.452924157529166,"endHours":11.452924157529166,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:27","end":"12:27","startHours":11.452924157529166,"endHours":12.452924157529166,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:27","end":"13:27","startHours":12.452924157529166,"endHours":13.452924157529166,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:27","end":"14:27","startHours":13.452924157529166,"endHours":14.452924157529166,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:27","end":"15:27","startHours":14.452924157529166,"endHours":15.452924157529166,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:27","end":"16:27","startHours":15.452924157529166,"endHours":16.452924157529168,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:27","end":"17:27","startHours":16.452924157529168,"endHours":17.452924157529168,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:27","end":"18:27","startHours":17.452924157529168,"endHours":18.452924157529168,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:27","end":"19:27","startHours":18.452924157529168,"endHours":19.452924157529168,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:27","end":"20:27","startHours":19.452924157529168,"endHours":20.452924157529168,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:27","end":"21:27","startHours":20.452924157529168,"endHours":21.452924157529168,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:27","end":"22:27","startHours":21.452924157529168,"endHours":22.452924157529168,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:27","end":"23:27","startHours":22.452924157529168,"endHours":23.452924157529168,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:27","end":"00:27","startHours":23.452924157529168,"endHours":24.452924157529168,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:27","end":"01:27","startHours":24.452924157529168,"endHours":25.452924157529168,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:27","end":"02:27","startHours":25.452924157529168,"endHours":26.452924157529168,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:27","end":"03:27","startHours":26.452924157529168,"endHours":27.452924157529168,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:27","end":"04:27","startHours":27.452924157529168,"endHours":28.452924157529168,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:27","end":"05:27","startHours":28.452924157529168,"endHours":29.452924157529168,"planetary_lord":"Jupiter"}],"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","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"North","rahuVasa":"North-East","anandadiYoga":{"name":"Utpāta","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":-20.8864542733853,"eotMinutes":-10.026088746108654,"ayanamsa":22.5824}},"calendars":{"vikram_samvat":1966,"vikram_samvatsara":"Dundubhi","saka_samvat":1831,"saka_samvatsara":"Saumya","bengali_samvat":1316,"malayalam_era":1085,"nanakshahi_year":440,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","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":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Daśamī · Vikram 1966 Dundubhi · Śaka 1831 Saumya"},"festivals":[],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","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 17, 1909 CE · Perth, Australia · Vidhyamitra","description":"January 17, 1909 CE for Perth, Australia: Kṛṣṇa Daśamī, sūryodaya 05:27, sūryāsta 19:26.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1909-01-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1909-01-17","sa":"https://sa.vidhyamitra.com/city/perth/1909-01-17","hi":"https://hi.vidhyamitra.com/city/perth/1909-01-17","x-default":"https://vidhyamitra.com/city/perth/1909-01-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T17:22:10.838Z","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":"2026-05-31T17:22:10.839Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T17:22:10.839Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}