{"id":"vidhyamitra:city-day:perth:1941-01-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1941-01-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1941-01-12","date_display":"January 12, 1941 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":1941,"month":1,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2430006.770833,"kali_year":5042,"ahargana":1841541.2708,"sun":{"sidereal_longitude":268.4349,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":70.0105,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":161.5755,"elapsed_within_tithi_degrees":5.5755},"nakshatra":{"number":6,"name":"Ārdrā","pada":2,"moon_longitude":70.0105,"elapsed_within_degrees":3.3438},"yoga":{"number":26,"name":"Indra","sum_longitude":338.4454},"karana":{"half_tithi_index":26,"name":"Gara"},"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":1941,"month":1,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2430006.770833,"ahargana":1841541.2708,"kali_year":5042,"ayanamsa_lahiri":23.0292,"grahas":{"sun":{"sidereal_longitude":268.42892900000004,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":71.03702899999996,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false,"latitude":-4.473},"mars":{"sidereal_longitude":222.659629,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":269.6855290000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":13.562629000000015,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":245.49782900000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":15.250529000000029,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":166.2814,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":346.2814,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","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":1941,"month":1,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2430006.770833,"kali_year":5042,"ahargana":1841541.2708,"sun":{"sidereal_longitude":268.4349,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":70.0105,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":161.5755,"elapsed_within_tithi_degrees":5.5755},"nakshatra":{"number":6,"name":"Ārdrā","pada":2,"moon_longitude":70.0105,"elapsed_within_degrees":3.3438},"yoga":{"number":26,"name":"Indra","sum_longitude":338.4454},"karana":{"half_tithi_index":26,"name":"Gara"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.473,"elongation":161.576},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.473,"opposition_distance":18.424}},"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":"05:23","sunsetLocal":"19:27","solarNoonLocal":"12:25","dayLengthHours":14.06442879892764,"dayLengthDisplay":"14 Hours 03 Mins 52 Secs","nightLengthDisplay":"9 Hours 56 Mins 08 Secs","moonriseLocal":"18:15","moonsetLocal":"04:16","rahuKala":{"name":"Rāhu Kāla","start":"17:41","end":"19:27","startHours":17.68788551020416,"endHours":19.445939110070118,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:25","end":"14:10","startHours":12.413724710606298,"endHours":14.171778310472252,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:56","end":"17:41","startHours":15.929831910338208,"endHours":17.68788551020416,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:40","end":"09:08","startHours":8.663210364225593,"endHours":9.132024657523182,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:58","end":"06:21","startHours":5.967528177764462,"endHours":6.342579612402533,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:57","end":"12:53","startHours":11.94491041730871,"endHours":12.882539003903885,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:30","end":"04:27","startHours":3.5062531379521253,"endHours":4.4438817245473015,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:13","end":"05:23","startHours":4.209474577898508,"endHours":5.381510311142478,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:45","end":"15:42","startHours":14.757796177094237,"endHours":15.695424763689413,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:15","end":"19:39","startHours":19.24593911007012,"endHours":19.645939110070117,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:27","end":"20:02","startHours":19.445939110070118,"endHours":20.031956976692104,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:12","end":"20:57","startHours":19.195939110070118,"endHours":20.945939110070118,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:57","end":"00:53","startHours":23.94491041730871,"endHours":24.882539003903883,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:23","end":"07:08","startHours":5.381510311142478,"endHours":7.139563911008432,"quality":"inauspicious"},{"name":"Chala","start":"07:08","end":"08:54","startHours":7.139563911008432,"endHours":8.897617510874387,"quality":"neutral"},{"name":"Labha","start":"08:54","end":"10:39","startHours":8.897617510874387,"endHours":10.655671110740343,"quality":"auspicious"},{"name":"Amṛta","start":"10:39","end":"12:25","startHours":10.655671110740343,"endHours":12.413724710606298,"quality":"auspicious"},{"name":"Kāla","start":"12:25","end":"14:10","startHours":12.413724710606298,"endHours":14.171778310472252,"quality":"inauspicious"},{"name":"Śubha","start":"14:10","end":"15:56","startHours":14.171778310472252,"endHours":15.929831910338208,"quality":"auspicious"},{"name":"Roga","start":"15:56","end":"17:41","startHours":15.929831910338208,"endHours":17.68788551020416,"quality":"inauspicious"},{"name":"Udveg","start":"17:41","end":"19:27","startHours":17.68788551020416,"endHours":19.445939110070118,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"19:27","end":"20:41","startHours":19.445939110070118,"endHours":20.68788551020416,"quality":"auspicious"},{"name":"Roga","start":"20:41","end":"21:56","startHours":20.68788551020416,"endHours":21.92983191033821,"quality":"inauspicious"},{"name":"Udveg","start":"21:56","end":"23:10","startHours":21.92983191033821,"endHours":23.171778310472252,"quality":"inauspicious"},{"name":"Chala","start":"23:10","end":"00:25","startHours":23.171778310472252,"endHours":24.413724710606296,"quality":"neutral"},{"name":"Labha","start":"00:25","end":"01:39","startHours":24.413724710606296,"endHours":25.655671110740343,"quality":"auspicious"},{"name":"Amṛta","start":"01:39","end":"02:54","startHours":25.655671110740343,"endHours":26.897617510874387,"quality":"auspicious"},{"name":"Kāla","start":"02:54","end":"04:08","startHours":26.897617510874387,"endHours":28.13956391100843,"quality":"inauspicious"},{"name":"Śubha","start":"04:08","end":"05:23","startHours":28.13956391100843,"endHours":29.381510311142478,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:23","end":"06:23","startHours":5.381510311142478,"endHours":6.381510311142478,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:23","end":"07:23","startHours":6.381510311142478,"endHours":7.381510311142478,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:23","end":"08:23","startHours":7.381510311142478,"endHours":8.381510311142478,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:23","end":"09:23","startHours":8.381510311142478,"endHours":9.381510311142478,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:23","end":"10:23","startHours":9.381510311142478,"endHours":10.381510311142478,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:23","end":"11:23","startHours":10.381510311142478,"endHours":11.381510311142478,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:23","end":"12:23","startHours":11.381510311142478,"endHours":12.381510311142478,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:23","end":"13:23","startHours":12.381510311142478,"endHours":13.381510311142478,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:23","end":"14:23","startHours":13.381510311142478,"endHours":14.381510311142478,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:23","end":"15:23","startHours":14.381510311142478,"endHours":15.381510311142478,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:23","end":"16:23","startHours":15.381510311142478,"endHours":16.381510311142478,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:23","end":"17:23","startHours":16.381510311142478,"endHours":17.381510311142478,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:23","end":"18:23","startHours":17.381510311142478,"endHours":18.381510311142478,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:23","end":"19:23","startHours":18.381510311142478,"endHours":19.381510311142478,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:23","end":"20:23","startHours":19.381510311142478,"endHours":20.381510311142478,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:23","end":"21:23","startHours":20.381510311142478,"endHours":21.381510311142478,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:23","end":"22:23","startHours":21.381510311142478,"endHours":22.381510311142478,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:23","end":"23:23","startHours":22.381510311142478,"endHours":23.381510311142478,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:23","end":"00:23","startHours":23.381510311142478,"endHours":24.381510311142478,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:23","end":"01:23","startHours":24.381510311142478,"endHours":25.381510311142478,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:23","end":"02:23","startHours":25.381510311142478,"endHours":26.381510311142478,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:23","end":"03:23","startHours":26.381510311142478,"endHours":27.381510311142478,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:23","end":"04:23","startHours":27.381510311142478,"endHours":28.381510311142478,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:23","end":"05:23","startHours":28.381510311142478,"endHours":29.381510311142478,"planetary_lord":"Jupiter"}],"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","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-21.725713239501356,"eotMinutes":-8.265482636377905,"ayanamsa":23.0292}},"calendars":{"vikram_samvat":1998,"vikram_samvatsara":"Jaya","saka_samvat":1863,"saka_samvatsara":"Vṛṣa","bengali_samvat":1348,"malayalam_era":1117,"nanakshahi_year":472,"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":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Caturdaśī · Vikram 1998 Jaya · Śaka 1863 Vṛṣa"},"festivals":[{"id":"lohri","name":"Lohri","name_sanskrit":"लोहड़ी","tradition":"Regional","significance":"Punjab harvest festival; eve of Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi_eve_of_ingress":"Makara"},"precedence":4}],"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":[]},"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 12, 1941 CE · Perth, Australia · Vidhyamitra","description":"January 12, 1941 CE for Perth, Australia: Śukla Caturdaśī, sūryodaya 05:23, sūryāsta 19:27.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1941-01-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1941-01-12","sa":"https://sa.vidhyamitra.com/city/perth/1941-01-12","hi":"https://hi.vidhyamitra.com/city/perth/1941-01-12","x-default":"https://vidhyamitra.com/city/perth/1941-01-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T09:50:05.580Z","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":"2026-06-01T09:50:05.580Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T09:50:05.580Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}