{"id":"vidhyamitra:city-day:perth:1941-06-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1941-06-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1941-06-13","date_display":"June 13, 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":6,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2430158.770833,"kali_year":5043,"ahargana":1841693.2708,"sun":{"sidereal_longitude":58.5276,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":284.8348,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":226.3072,"elapsed_within_tithi_degrees":10.3072},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2,"moon_longitude":284.8348,"elapsed_within_degrees":4.8348},"yoga":{"number":26,"name":"Indra","sum_longitude":343.3624},"karana":{"half_tithi_index":37,"name":"Bālava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":6,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2430158.770833,"ahargana":1841693.2708,"kali_year":5043,"ayanamsa_lahiri":23.0351,"grahas":{"sun":{"sidereal_longitude":58.600122,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":285.689222,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false,"latitude":3.611},"mars":{"sidereal_longitude":326.09192200000007,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":81.830622,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":41.713922000000025,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":73.974422,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":29.74342200000001,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":158.2277,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":338.2277,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","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":1941,"month":6,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2430158.770833,"kali_year":5043,"ahargana":1841693.2708,"sun":{"sidereal_longitude":58.5276,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":284.8348,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":226.3072,"elapsed_within_tithi_degrees":10.3072},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2,"moon_longitude":284.8348,"elapsed_within_degrees":4.8348},"yoga":{"number":26,"name":"Indra","sum_longitude":343.3624},"karana":{"half_tithi_index":37,"name":"Bālava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.611,"elongation":133.693},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.611,"opposition_distance":46.307}},"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":"07:14","sunsetLocal":"17:19","solarNoonLocal":"12:16","dayLengthHours":10.08296697148645,"dayLengthDisplay":"10 Hours 04 Mins 59 Secs","nightLengthDisplay":"13 Hours 55 Mins 01 Secs","moonriseLocal":"20:35","moonsetLocal":"10:15","rahuKala":{"name":"Rāhu Kāla","start":"11:01","end":"12:16","startHours":11.012009468587511,"endHours":12.272380340023318,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:48","end":"16:03","startHours":14.79312208289493,"endHours":16.053492954330736,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:29","end":"09:45","startHours":8.4912677257159,"endHours":9.751638597151706,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:35","end":"09:55","startHours":9.583589147626931,"endHours":9.91968804667648,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:39","end":"07:55","startHours":7.651020478092029,"endHours":7.919899597331668,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:56","end":"12:37","startHours":11.93628144097377,"endHours":12.608479239072865,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:53","end":"06:34","startHours":5.8865012580819,"endHours":6.558699056180997,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:23","end":"07:14","startHours":6.390649606656223,"endHours":7.230896854280093,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:57","end":"14:38","startHours":13.95287483527106,"endHours":14.625072633370158,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:07","end":"17:31","startHours":17.113863825766543,"endHours":17.513863825766542,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:19","end":"17:44","startHours":17.313863825766543,"endHours":17.73398744957848,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:04","end":"18:49","startHours":17.063863825766543,"endHours":18.813863825766543,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:56","end":"00:37","startHours":23.93628144097377,"endHours":24.608479239072867,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:14","end":"08:29","startHours":7.230896854280093,"endHours":8.4912677257159,"quality":"neutral"},{"name":"Labha","start":"08:29","end":"09:45","startHours":8.4912677257159,"endHours":9.751638597151706,"quality":"auspicious"},{"name":"Amṛta","start":"09:45","end":"11:01","startHours":9.751638597151706,"endHours":11.012009468587511,"quality":"auspicious"},{"name":"Kāla","start":"11:01","end":"12:16","startHours":11.012009468587511,"endHours":12.272380340023318,"quality":"inauspicious"},{"name":"Śubha","start":"12:16","end":"13:32","startHours":12.272380340023318,"endHours":13.532751211459125,"quality":"auspicious"},{"name":"Roga","start":"13:32","end":"14:48","startHours":13.532751211459125,"endHours":14.79312208289493,"quality":"inauspicious"},{"name":"Udveg","start":"14:48","end":"16:03","startHours":14.79312208289493,"endHours":16.053492954330736,"quality":"inauspicious"},{"name":"Chala","start":"16:03","end":"17:19","startHours":16.053492954330736,"endHours":17.313863825766543,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:19","end":"19:03","startHours":17.313863825766543,"endHours":19.053492954330736,"quality":"inauspicious"},{"name":"Udveg","start":"19:03","end":"20:48","startHours":19.053492954330736,"endHours":20.793122082894932,"quality":"inauspicious"},{"name":"Chala","start":"20:48","end":"22:32","startHours":20.793122082894932,"endHours":22.532751211459125,"quality":"neutral"},{"name":"Labha","start":"22:32","end":"00:16","startHours":22.532751211459125,"endHours":24.272380340023318,"quality":"auspicious"},{"name":"Amṛta","start":"00:16","end":"02:01","startHours":24.272380340023318,"endHours":26.01200946858751,"quality":"auspicious"},{"name":"Kāla","start":"02:01","end":"03:45","startHours":26.01200946858751,"endHours":27.751638597151704,"quality":"inauspicious"},{"name":"Śubha","start":"03:45","end":"05:29","startHours":27.751638597151704,"endHours":29.4912677257159,"quality":"auspicious"},{"name":"Roga","start":"05:29","end":"07:14","startHours":29.4912677257159,"endHours":31.230896854280093,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:14","end":"08:14","startHours":7.230896854280093,"endHours":8.230896854280093,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:14","end":"09:14","startHours":8.230896854280093,"endHours":9.230896854280093,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:14","end":"10:14","startHours":9.230896854280093,"endHours":10.230896854280093,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:14","end":"11:14","startHours":10.230896854280093,"endHours":11.230896854280093,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:14","end":"12:14","startHours":11.230896854280093,"endHours":12.230896854280093,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:14","end":"13:14","startHours":12.230896854280093,"endHours":13.230896854280093,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:14","end":"14:14","startHours":13.230896854280093,"endHours":14.230896854280093,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:14","end":"15:14","startHours":14.230896854280093,"endHours":15.230896854280093,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:14","end":"16:14","startHours":15.230896854280093,"endHours":16.230896854280093,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:14","end":"17:14","startHours":16.230896854280093,"endHours":17.230896854280093,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:14","end":"18:14","startHours":17.230896854280093,"endHours":18.230896854280093,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:14","end":"19:14","startHours":18.230896854280093,"endHours":19.230896854280093,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:14","end":"20:14","startHours":19.230896854280093,"endHours":20.230896854280093,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:14","end":"21:14","startHours":20.230896854280093,"endHours":21.230896854280093,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:14","end":"22:14","startHours":21.230896854280093,"endHours":22.230896854280093,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:14","end":"23:14","startHours":22.230896854280093,"endHours":23.230896854280093,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:14","end":"00:14","startHours":23.230896854280093,"endHours":24.230896854280093,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:14","end":"01:14","startHours":24.230896854280093,"endHours":25.230896854280093,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:14","end":"02:14","startHours":25.230896854280093,"endHours":26.230896854280093,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:14","end":"03:14","startHours":26.230896854280093,"endHours":27.230896854280093,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:14","end":"04:14","startHours":27.230896854280093,"endHours":28.230896854280093,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:14","end":"05:14","startHours":28.230896854280093,"endHours":29.230896854280093,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:14","end":"06:14","startHours":29.230896854280093,"endHours":30.230896854280093,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:14","end":"07:14","startHours":30.230896854280093,"endHours":31.230896854280093,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"South-East","anandadiYoga":{"name":"Padma","quality":"Auspicious"},"tropicalRitu":"Grīṣma (Summer) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":23.17254063877862,"eotMinutes":0.2151795986009022,"ayanamsa":23.0351}},"calendars":{"vikram_samvat":1998,"vikram_samvatsara":"Jaya","saka_samvat":1863,"saka_samvatsara":"Vṛṣa","bengali_samvat":1348,"malayalam_era":1117,"nanakshahi_year":472,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āṣāḍha","lunar_month_amanta":"Jyeṣṭha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Kṛṣṇa Caturthī · Vikram 1998 Jaya · Śaka 1863 Vṛṣa"},"festivals":[{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 June 13, 1941 CE · Perth, Australia · Vidhyamitra","description":"June 13, 1941 CE for Perth, Australia: Kṛṣṇa Caturthī, sūryodaya 07:14, sūryāsta 17:19.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1941-06-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1941-06-13","sa":"https://sa.vidhyamitra.com/city/perth/1941-06-13","hi":"https://hi.vidhyamitra.com/city/perth/1941-06-13","x-default":"https://vidhyamitra.com/city/perth/1941-06-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T22:08:29.608Z","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":"2026-05-31T22:08:29.608Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T22:08:29.608Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}