{"id":"vidhyamitra:city-day:perth:1941-01-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1941-01-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1941-01-18","date_display":"January 18, 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":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2430012.770833,"kali_year":5042,"ahargana":1841547.2708,"sun":{"sidereal_longitude":274.5951,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":152.416,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":237.8209,"elapsed_within_tithi_degrees":9.8209},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":152.416,"elapsed_within_degrees":5.7493},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":67.0111},"karana":{"half_tithi_index":39,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2430012.770833,"ahargana":1841547.2708,"kali_year":5042,"ayanamsa_lahiri":23.0295,"grahas":{"sun":{"sidereal_longitude":274.5394,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":153.40599999999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false,"latitude":-1.0531},"mars":{"sidereal_longitude":226.7133,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":279.7031999999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":13.870999999999981,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":252.98810000000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":15.31049999999999,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":165.9634,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":345.9634,"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":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2430012.770833,"kali_year":5042,"ahargana":1841547.2708,"sun":{"sidereal_longitude":274.5951,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":152.416,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":237.8209,"elapsed_within_tithi_degrees":9.8209},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":152.416,"elapsed_within_degrees":5.7493},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":67.0111},"karana":{"half_tithi_index":39,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.053,"elongation":122.179},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.053,"opposition_distance":57.821}},"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":"05:28","sunsetLocal":"19:26","solarNoonLocal":"12:27","dayLengthHours":13.956278277654683,"dayLengthDisplay":"13 Hours 57 Mins 23 Secs","nightLengthDisplay":"10 Hours 02 Mins 37 Secs","moonriseLocal":"22:23","moonsetLocal":"10:22","rahuKala":{"name":"Rāhu Kāla","start":"08:58","end":"10:42","startHours":8.959384256947821,"endHours":10.703919041654657,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:12","end":"15:56","startHours":14.19298861106833,"endHours":15.937523395775163,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:28","end":"07:13","startHours":5.4703146875341515,"endHours":7.214849472240987,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:44","end":"09:12","startHours":8.72677961898691,"endHours":9.191988894908734,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:03","end":"06:25","startHours":6.05182628243643,"endHours":6.423993703173888,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:59","end":"12:55","startHours":11.983244550439672,"endHours":12.913663102283316,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:37","end":"04:32","startHours":3.6094775838468607,"endHours":4.539896135690506,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:18","end":"05:28","startHours":4.307291497729595,"endHours":5.4703146875341515,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:46","end":"15:42","startHours":14.774500205970607,"endHours":15.704918757814253,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:14","end":"19:38","startHours":19.226592965188836,"endHours":19.626592965188834,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:26","end":"20:00","startHours":19.426592965188835,"endHours":20.008104560091112,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:11","end":"20:56","startHours":19.176592965188835,"endHours":20.926592965188835,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:59","end":"00:55","startHours":23.98324455043967,"endHours":24.913663102283316,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:28","end":"07:13","startHours":5.4703146875341515,"endHours":7.214849472240987,"quality":"inauspicious"},{"name":"Śubha","start":"07:13","end":"08:58","startHours":7.214849472240987,"endHours":8.959384256947821,"quality":"auspicious"},{"name":"Roga","start":"08:58","end":"10:42","startHours":8.959384256947821,"endHours":10.703919041654657,"quality":"inauspicious"},{"name":"Udveg","start":"10:42","end":"12:27","startHours":10.703919041654657,"endHours":12.448453826361494,"quality":"inauspicious"},{"name":"Chala","start":"12:27","end":"14:12","startHours":12.448453826361494,"endHours":14.19298861106833,"quality":"neutral"},{"name":"Labha","start":"14:12","end":"15:56","startHours":14.19298861106833,"endHours":15.937523395775163,"quality":"auspicious"},{"name":"Amṛta","start":"15:56","end":"17:41","startHours":15.937523395775163,"endHours":17.682058180482,"quality":"auspicious"},{"name":"Kāla","start":"17:41","end":"19:26","startHours":17.682058180482,"endHours":19.426592965188835,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"19:26","end":"20:41","startHours":19.426592965188835,"endHours":20.682058180482,"quality":"auspicious"},{"name":"Amṛta","start":"20:41","end":"21:56","startHours":20.682058180482,"endHours":21.937523395775166,"quality":"auspicious"},{"name":"Kāla","start":"21:56","end":"23:12","startHours":21.937523395775166,"endHours":23.19298861106833,"quality":"inauspicious"},{"name":"Śubha","start":"23:12","end":"00:27","startHours":23.19298861106833,"endHours":24.448453826361494,"quality":"auspicious"},{"name":"Roga","start":"00:27","end":"01:42","startHours":24.448453826361494,"endHours":25.703919041654657,"quality":"inauspicious"},{"name":"Udveg","start":"01:42","end":"02:58","startHours":25.703919041654657,"endHours":26.95938425694782,"quality":"inauspicious"},{"name":"Chala","start":"02:58","end":"04:13","startHours":26.95938425694782,"endHours":28.21484947224099,"quality":"neutral"},{"name":"Labha","start":"04:13","end":"05:28","startHours":28.21484947224099,"endHours":29.470314687534152,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:28","end":"06:28","startHours":5.4703146875341515,"endHours":6.4703146875341515,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:28","end":"07:28","startHours":6.4703146875341515,"endHours":7.4703146875341515,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:28","end":"08:28","startHours":7.4703146875341515,"endHours":8.470314687534152,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:28","end":"09:28","startHours":8.470314687534152,"endHours":9.470314687534152,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:28","end":"10:28","startHours":9.470314687534152,"endHours":10.470314687534152,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:28","end":"11:28","startHours":10.470314687534152,"endHours":11.470314687534152,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:28","end":"12:28","startHours":11.470314687534152,"endHours":12.470314687534152,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:28","end":"13:28","startHours":12.470314687534152,"endHours":13.470314687534152,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:28","end":"14:28","startHours":13.470314687534152,"endHours":14.470314687534152,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:28","end":"15:28","startHours":14.470314687534152,"endHours":15.470314687534152,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:28","end":"16:28","startHours":15.470314687534152,"endHours":16.470314687534152,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:28","end":"17:28","startHours":16.470314687534152,"endHours":17.470314687534152,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:28","end":"18:28","startHours":17.470314687534152,"endHours":18.470314687534152,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:28","end":"19:28","startHours":18.470314687534152,"endHours":19.470314687534152,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:28","end":"20:28","startHours":19.470314687534152,"endHours":20.470314687534152,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:28","end":"21:28","startHours":20.470314687534152,"endHours":21.470314687534152,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:28","end":"22:28","startHours":21.470314687534152,"endHours":22.470314687534152,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:28","end":"23:28","startHours":22.470314687534152,"endHours":23.470314687534152,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:28","end":"00:28","startHours":23.470314687534152,"endHours":24.470314687534152,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:28","end":"01:28","startHours":24.470314687534152,"endHours":25.470314687534152,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:28","end":"02:28","startHours":25.470314687534152,"endHours":26.470314687534152,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:28","end":"03:28","startHours":26.470314687534152,"endHours":27.470314687534152,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:28","end":"04:28","startHours":27.470314687534152,"endHours":28.470314687534152,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:28","end":"05:28","startHours":28.470314687534152,"endHours":29.470314687534152,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-West","rahuVasa":"East","anandadiYoga":{"name":"Śrīvatsa","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":-20.64470485869923,"eotMinutes":-10.349229581689698,"ayanamsa":23.0295}},"calendars":{"vikram_samvat":1998,"vikram_samvatsara":"Jaya","saka_samvat":1863,"saka_samvatsara":"Vṛṣa","bengali_samvat":1348,"malayalam_era":1117,"nanakshahi_year":472,"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 Pañcamī · Vikram 1998 Jaya · Śaka 1863 Vṛṣa"},"festivals":[],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 18, 1941 CE · Perth, Australia · Vidhyamitra","description":"January 18, 1941 CE for Perth, Australia: Kṛṣṇa Pañcamī, sūryodaya 05:28, sūryāsta 19:26.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1941-01-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1941-01-18","sa":"https://sa.vidhyamitra.com/city/perth/1941-01-18","hi":"https://hi.vidhyamitra.com/city/perth/1941-01-18","x-default":"https://vidhyamitra.com/city/perth/1941-01-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T18:26:13.610Z","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":"2026-05-31T18:26:13.610Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T18:26:13.610Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}