{"id":"vidhyamitra:city-day:perth:1915-01-19:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1915-01-19","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1915-01-19","date_display":"January 19, 1915 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":1915,"month":1,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2420516.770833,"kali_year":5016,"ahargana":1832051.2708,"sun":{"sidereal_longitude":275.3417,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":318.9539,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":43.6123,"elapsed_within_tithi_degrees":7.6123},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4,"moon_longitude":318.9539,"elapsed_within_degrees":12.2873},"yoga":{"number":18,"name":"Varīyān","sum_longitude":234.2956},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":1915,"month":1,"day":19,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2420516.770833,"ahargana":1832051.2708,"kali_year":5016,"ayanamsa_lahiri":22.6663,"grahas":{"sun":{"sidereal_longitude":275.21961699999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":318.0206169999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false,"latitude":0.7688},"mars":{"sidereal_longitude":269.831717,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":285.10611700000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":304.542817,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":231.093117,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":64.77911699999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":309.1072,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":129.1072,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"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":1915,"month":1,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2420516.770833,"kali_year":5016,"ahargana":1832051.2708,"sun":{"sidereal_longitude":275.3417,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":318.9539,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":43.6123,"elapsed_within_tithi_degrees":7.6123},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4,"moon_longitude":318.9539,"elapsed_within_degrees":12.2873},"yoga":{"number":18,"name":"Varīyān","sum_longitude":234.2956},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.769,"elongation":43.612},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.769,"opposition_distance":136.388}},"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":"05:29","sunsetLocal":"19:26","solarNoonLocal":"12:27","dayLengthHours":13.950069550667582,"dayLengthDisplay":"13 Hours 57 Mins 00 Secs","nightLengthDisplay":"10 Hours 03 Mins 00 Secs","moonriseLocal":"08:57","moonsetLocal":"21:40","rahuKala":{"name":"Rāhu Kāla","start":"15:56","end":"17:41","startHours":15.941184953230568,"endHours":17.684943647064014,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:58","end":"10:43","startHours":8.966150177896775,"endHours":10.709908871730224,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:27","end":"14:12","startHours":12.45366756556367,"endHours":14.197426259397119,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:44","end":"09:12","startHours":8.733649018718982,"endHours":9.198651337074569,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:04","end":"06:26","startHours":6.059885688174362,"endHours":6.431887542858831,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:59","end":"12:55","startHours":11.988665247208086,"endHours":12.918669883919257,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:37","end":"04:33","startHours":3.618623516807536,"endHours":4.548628153518708,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:19","end":"05:29","startHours":4.316126994340914,"endHours":5.47863279022988,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:47","end":"15:43","startHours":14.778679157341603,"endHours":15.708683794052776,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:14","end":"19:38","startHours":19.228702340897463,"endHours":19.628702340897462,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:26","end":"20:01","startHours":19.428702340897463,"endHours":20.009955238841947,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:11","end":"20:56","startHours":19.178702340897463,"endHours":20.928702340897463,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:59","end":"00:55","startHours":23.988665247208083,"endHours":24.918669883919257,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:29","end":"07:13","startHours":5.47863279022988,"endHours":7.222391484063328,"quality":"inauspicious"},{"name":"Udveg","start":"07:13","end":"08:58","startHours":7.222391484063328,"endHours":8.966150177896775,"quality":"inauspicious"},{"name":"Chala","start":"08:58","end":"10:43","startHours":8.966150177896775,"endHours":10.709908871730224,"quality":"neutral"},{"name":"Labha","start":"10:43","end":"12:27","startHours":10.709908871730224,"endHours":12.45366756556367,"quality":"auspicious"},{"name":"Amṛta","start":"12:27","end":"14:12","startHours":12.45366756556367,"endHours":14.197426259397119,"quality":"auspicious"},{"name":"Kāla","start":"14:12","end":"15:56","startHours":14.197426259397119,"endHours":15.941184953230568,"quality":"inauspicious"},{"name":"Śubha","start":"15:56","end":"17:41","startHours":15.941184953230568,"endHours":17.684943647064014,"quality":"auspicious"},{"name":"Roga","start":"17:41","end":"19:26","startHours":17.684943647064014,"endHours":19.428702340897463,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"19:26","end":"20:41","startHours":19.428702340897463,"endHours":20.684943647064014,"quality":"inauspicious"},{"name":"Śubha","start":"20:41","end":"21:56","startHours":20.684943647064014,"endHours":21.941184953230568,"quality":"auspicious"},{"name":"Roga","start":"21:56","end":"23:12","startHours":21.941184953230568,"endHours":23.19742625939712,"quality":"inauspicious"},{"name":"Udveg","start":"23:12","end":"00:27","startHours":23.19742625939712,"endHours":24.45366756556367,"quality":"inauspicious"},{"name":"Chala","start":"00:27","end":"01:43","startHours":24.45366756556367,"endHours":25.709908871730224,"quality":"neutral"},{"name":"Labha","start":"01:43","end":"02:58","startHours":25.709908871730224,"endHours":26.966150177896775,"quality":"auspicious"},{"name":"Amṛta","start":"02:58","end":"04:13","startHours":26.966150177896775,"endHours":28.22239148406333,"quality":"auspicious"},{"name":"Kāla","start":"04:13","end":"05:29","startHours":28.22239148406333,"endHours":29.47863279022988,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:29","end":"06:29","startHours":5.47863279022988,"endHours":6.47863279022988,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:29","end":"07:29","startHours":6.47863279022988,"endHours":7.47863279022988,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:29","end":"08:29","startHours":7.47863279022988,"endHours":8.47863279022988,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:29","end":"09:29","startHours":8.47863279022988,"endHours":9.47863279022988,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:29","end":"10:29","startHours":9.47863279022988,"endHours":10.47863279022988,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:29","end":"11:29","startHours":10.47863279022988,"endHours":11.47863279022988,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:29","end":"12:29","startHours":11.47863279022988,"endHours":12.47863279022988,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:29","end":"13:29","startHours":12.47863279022988,"endHours":13.47863279022988,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:29","end":"14:29","startHours":13.47863279022988,"endHours":14.47863279022988,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:29","end":"15:29","startHours":14.47863279022988,"endHours":15.47863279022988,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:29","end":"16:29","startHours":15.47863279022988,"endHours":16.47863279022988,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:29","end":"17:29","startHours":16.47863279022988,"endHours":17.47863279022988,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:29","end":"18:29","startHours":17.47863279022988,"endHours":18.47863279022988,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:29","end":"19:29","startHours":18.47863279022988,"endHours":19.47863279022988,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:29","end":"20:29","startHours":19.47863279022988,"endHours":20.47863279022988,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:29","end":"21:29","startHours":20.47863279022988,"endHours":21.47863279022988,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:29","end":"22:29","startHours":21.47863279022988,"endHours":22.47863279022988,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:29","end":"23:29","startHours":22.47863279022988,"endHours":23.47863279022988,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:29","end":"00:29","startHours":23.47863279022988,"endHours":24.47863279022988,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:29","end":"01:29","startHours":24.47863279022988,"endHours":25.47863279022988,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:29","end":"02:29","startHours":25.47863279022988,"endHours":26.47863279022988,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:29","end":"03:29","startHours":26.47863279022988,"endHours":27.47863279022988,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:29","end":"04:29","startHours":27.47863279022988,"endHours":28.47863279022988,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:29","end":"05:29","startHours":28.47863279022988,"endHours":29.47863279022988,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"South","rahuVasa":"North","anandadiYoga":{"name":"Prajāpati","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-20.58202780611099,"eotMinutes":-10.662053933820344,"ayanamsa":22.6663}},"calendars":{"vikram_samvat":1972,"vikram_samvatsara":"Vibhava","saka_samvat":1837,"saka_samvatsara":"Rākṣasa","bengali_samvat":1322,"malayalam_era":1091,"nanakshahi_year":446,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Māgha","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 Śukla Caturthī · Vikram 1972 Vibhava · Śaka 1837 Rākṣasa"},"festivals":[{"id":"angarika-chaturthi","name":"Aṅgāraka Caturthī (Tuesday Caturthī)","name_sanskrit":"अङ्गारक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa + Maṅgala","significance":"Tuesday-Caturthī (rare); supremely auspicious for Maṅgala-doṣa-nivāraṇa.","vrata":true,"detection":{"any_of":[{"tithi_number":4,"vara_name":"Maṅgalavāra (Tuesday)"},{"tithi_number":19,"vara_name":"Maṅgalavāra (Tuesday)"}]},"precedence":3},{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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 January 19, 1915 CE · Perth, Australia · Vidhyamitra","description":"January 19, 1915 CE for Perth, Australia: Śukla Caturthī, sūryodaya 05:29, sūryāsta 19:26.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1915-01-19","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1915-01-19","sa":"https://sa.vidhyamitra.com/city/perth/1915-01-19","hi":"https://hi.vidhyamitra.com/city/perth/1915-01-19","x-default":"https://vidhyamitra.com/city/perth/1915-01-19"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T21:46:35.689Z","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":"2026-06-02T21:46:35.689Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T21:46:35.689Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}