{"id":"vidhyamitra:city-day:perth:1946-07-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1946-07-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1946-07-13","date_display":"July 13, 1946 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":1946,"month":7,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2432014.770833,"kali_year":5048,"ahargana":1843549.2708,"sun":{"sidereal_longitude":86.6576,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":251.0954,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":164.4377,"elapsed_within_tithi_degrees":8.4377},"nakshatra":{"number":19,"name":"Mūla","pada":4,"moon_longitude":251.0954,"elapsed_within_degrees":11.0954},"yoga":{"number":26,"name":"Indra","sum_longitude":337.753},"karana":{"half_tithi_index":27,"name":"Vaṇija"},"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":1946,"month":7,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2432014.770833,"ahargana":1843549.2708,"kali_year":5048,"ayanamsa_lahiri":23.106,"grahas":{"sun":{"sidereal_longitude":86.94710900000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"moon":{"sidereal_longitude":251.77050899999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false,"latitude":-0.8738},"mars":{"sidereal_longitude":140.793409,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":112.312209,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":176.76340900000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":126.76430900000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":94.50050899999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":59.8879,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":239.8879,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","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":1946,"month":7,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2432014.770833,"kali_year":5048,"ahargana":1843549.2708,"sun":{"sidereal_longitude":86.6576,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":251.0954,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":164.4377,"elapsed_within_tithi_degrees":8.4377},"nakshatra":{"number":19,"name":"Mūla","pada":4,"moon_longitude":251.0954,"elapsed_within_degrees":11.0954},"yoga":{"number":26,"name":"Indra","sum_longitude":337.753},"karana":{"half_tithi_index":27,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.874,"elongation":164.438},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.874,"opposition_distance":15.562}},"eclipse_window_40days":[{"offset_days":-14,"type":"solar","occurs":true,"moon_latitude":0.93,"elongation":0.832}]},"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":"07:16","sunsetLocal":"17:28","solarNoonLocal":"12:22","dayLengthHours":10.205575378650373,"dayLengthDisplay":"10 Hours 12 Mins 20 Secs","nightLengthDisplay":"13 Hours 47 Mins 40 Secs","moonriseLocal":"16:16","moonsetLocal":"06:27","rahuKala":{"name":"Rāhu Kāla","start":"09:49","end":"11:05","startHours":9.813929969440082,"endHours":11.08962689177138,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:38","end":"14:55","startHours":13.641020736433973,"endHours":14.916717658765268,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:16","end":"08:32","startHours":7.2625361247774896,"endHours":8.538233047108786,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:39","end":"09:59","startHours":9.643837046462576,"endHours":9.984022892417588,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:41","end":"07:58","startHours":7.687768432221255,"endHours":7.959917108985265,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:02","end":"12:42","startHours":12.025137968147664,"endHours":12.70550966005769,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:54","end":"06:35","startHours":5.90179274095744,"endHours":6.582164432867465,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:25","end":"07:16","startHours":6.412071509889959,"endHours":7.2625361247774896,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:04","end":"14:45","startHours":14.066253043877738,"endHours":14.746624735787764,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:16","end":"17:40","startHours":17.268111503427864,"endHours":17.668111503427863,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:28","end":"17:54","startHours":17.468111503427863,"endHours":17.893343810871627,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:13","end":"18:58","startHours":17.218111503427863,"endHours":18.968111503427863,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:02","end":"00:42","startHours":24.025137968147664,"endHours":24.70550966005769,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:16","end":"08:32","startHours":7.2625361247774896,"endHours":8.538233047108786,"quality":"inauspicious"},{"name":"Śubha","start":"08:32","end":"09:49","startHours":8.538233047108786,"endHours":9.813929969440082,"quality":"auspicious"},{"name":"Roga","start":"09:49","end":"11:05","startHours":9.813929969440082,"endHours":11.08962689177138,"quality":"inauspicious"},{"name":"Udveg","start":"11:05","end":"12:22","startHours":11.08962689177138,"endHours":12.365323814102677,"quality":"inauspicious"},{"name":"Chala","start":"12:22","end":"13:38","startHours":12.365323814102677,"endHours":13.641020736433973,"quality":"neutral"},{"name":"Labha","start":"13:38","end":"14:55","startHours":13.641020736433973,"endHours":14.916717658765268,"quality":"auspicious"},{"name":"Amṛta","start":"14:55","end":"16:12","startHours":14.916717658765268,"endHours":16.192414581096568,"quality":"auspicious"},{"name":"Kāla","start":"16:12","end":"17:28","startHours":16.192414581096568,"endHours":17.468111503427863,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:28","end":"19:12","startHours":17.468111503427863,"endHours":19.192414581096568,"quality":"auspicious"},{"name":"Amṛta","start":"19:12","end":"20:55","startHours":19.192414581096568,"endHours":20.916717658765272,"quality":"auspicious"},{"name":"Kāla","start":"20:55","end":"22:38","startHours":20.916717658765272,"endHours":22.641020736433973,"quality":"inauspicious"},{"name":"Śubha","start":"22:38","end":"00:22","startHours":22.641020736433973,"endHours":24.365323814102677,"quality":"auspicious"},{"name":"Roga","start":"00:22","end":"02:05","startHours":24.365323814102677,"endHours":26.08962689177138,"quality":"inauspicious"},{"name":"Udveg","start":"02:05","end":"03:49","startHours":26.08962689177138,"endHours":27.813929969440082,"quality":"inauspicious"},{"name":"Chala","start":"03:49","end":"05:32","startHours":27.813929969440082,"endHours":29.538233047108786,"quality":"neutral"},{"name":"Labha","start":"05:32","end":"07:16","startHours":29.538233047108786,"endHours":31.26253612477749,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:16","end":"08:16","startHours":7.2625361247774896,"endHours":8.26253612477749,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:16","end":"09:16","startHours":8.26253612477749,"endHours":9.26253612477749,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:16","end":"10:16","startHours":9.26253612477749,"endHours":10.26253612477749,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:16","end":"11:16","startHours":10.26253612477749,"endHours":11.26253612477749,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:16","end":"12:16","startHours":11.26253612477749,"endHours":12.26253612477749,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:16","end":"13:16","startHours":12.26253612477749,"endHours":13.26253612477749,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:16","end":"14:16","startHours":13.26253612477749,"endHours":14.26253612477749,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:16","end":"15:16","startHours":14.26253612477749,"endHours":15.26253612477749,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:16","end":"16:16","startHours":15.26253612477749,"endHours":16.26253612477749,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:16","end":"17:16","startHours":16.26253612477749,"endHours":17.26253612477749,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:16","end":"18:16","startHours":17.26253612477749,"endHours":18.26253612477749,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:16","end":"19:16","startHours":18.26253612477749,"endHours":19.26253612477749,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:16","end":"20:16","startHours":19.26253612477749,"endHours":20.26253612477749,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:16","end":"21:16","startHours":20.26253612477749,"endHours":21.26253612477749,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:16","end":"22:16","startHours":21.26253612477749,"endHours":22.26253612477749,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:16","end":"23:16","startHours":22.26253612477749,"endHours":23.26253612477749,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:16","end":"00:16","startHours":23.26253612477749,"endHours":24.26253612477749,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:16","end":"01:16","startHours":24.26253612477749,"endHours":25.26253612477749,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:16","end":"02:16","startHours":25.26253612477749,"endHours":26.26253612477749,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:16","end":"03:16","startHours":26.26253612477749,"endHours":27.26253612477749,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:16","end":"04:16","startHours":27.26253612477749,"endHours":28.26253612477749,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:16","end":"05:16","startHours":28.26253612477749,"endHours":29.26253612477749,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:16","end":"06:16","startHours":29.26253612477749,"endHours":30.26253612477749,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:16","end":"07:16","startHours":30.26253612477749,"endHours":31.26253612477749,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"East","anandadiYoga":{"name":"Lumba","quality":"Auspicious"},"tropicalRitu":"Grīṣma (Summer) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":21.939046440438904,"eotMinutes":-5.361428846160681,"ayanamsa":23.106}},"calendars":{"vikram_samvat":2003,"vikram_samvatsara":"Vikāri","saka_samvat":1868,"saka_samvatsara":"Vyaya","bengali_samvat":1353,"malayalam_era":1122,"nanakshahi_year":477,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āṣāḍha","lunar_month_amanta":"Āṣāḍha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Śukla Caturdaśī · Vikram 2003 Vikāri · Śaka 1868 Vyaya"},"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 July 13, 1946 CE · Perth, Australia · Vidhyamitra","description":"July 13, 1946 CE for Perth, Australia: Śukla Caturdaśī, sūryodaya 07:16, sūryāsta 17:28.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1946-07-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1946-07-13","sa":"https://sa.vidhyamitra.com/city/perth/1946-07-13","hi":"https://hi.vidhyamitra.com/city/perth/1946-07-13","x-default":"https://vidhyamitra.com/city/perth/1946-07-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T15:54:03.137Z","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":"2026-05-31T15:54:03.137Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T15:54:03.137Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}