{"id":"vidhyamitra:city-day:perth:1957-07-19:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1957-07-19","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1957-07-19","date_display":"July 19, 1957 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":1957,"month":7,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2436038.770833,"kali_year":5059,"ahargana":1847573.2708,"sun":{"sidereal_longitude":92.4874,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":354.1414,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":261.654,"elapsed_within_tithi_degrees":9.654},"nakshatra":{"number":27,"name":"Revatī","pada":3,"moon_longitude":354.1414,"elapsed_within_degrees":7.4747},"yoga":{"number":7,"name":"Sukarma","sum_longitude":86.6288},"karana":{"half_tithi_index":43,"name":"Bava"},"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":1957,"month":7,"day":19,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2436038.770833,"ahargana":1847573.2708,"kali_year":5059,"ayanamsa_lahiri":23.2599,"grahas":{"sun":{"sidereal_longitude":92.842962,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"moon":{"sidereal_longitude":351.097362,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false,"latitude":2.4184},"mars":{"sidereal_longitude":114.569162,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":109.189662,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":153.74826199999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":118.75426199999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":225.33406200000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":206.677,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":26.677,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"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":1957,"month":7,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2436038.770833,"kali_year":5059,"ahargana":1847573.2708,"sun":{"sidereal_longitude":92.4874,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":354.1414,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":261.654,"elapsed_within_tithi_degrees":9.654},"nakshatra":{"number":27,"name":"Revatī","pada":3,"moon_longitude":354.1414,"elapsed_within_degrees":7.4747},"yoga":{"number":7,"name":"Sukarma","sum_longitude":86.6288},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.418,"elongation":98.346},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.418,"opposition_distance":81.654}},"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":"07:13","sunsetLocal":"17:32","solarNoonLocal":"12:22","dayLengthHours":10.304368114614299,"dayLengthDisplay":"10 Hours 18 Mins 16 Secs","nightLengthDisplay":"13 Hours 41 Mins 44 Secs","moonriseLocal":"23:47","moonsetLocal":"11:24","rahuKala":{"name":"Rāhu Kāla","start":"11:05","end":"12:22","startHours":11.086746136067232,"endHours":12.374792150394018,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:57","end":"16:14","startHours":14.950884179047595,"endHours":16.23893019337438,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:31","end":"09:48","startHours":8.510654107413657,"endHours":9.798700121740445,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:38","end":"09:58","startHours":9.62696065316354,"endHours":9.97043959031735,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:39","end":"07:56","startHours":7.651956764529133,"endHours":7.926739914252181,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:02","end":"12:43","startHours":12.031313213240209,"endHours":12.718271087547828,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:51","end":"06:32","startHours":5.84869234447163,"endHours":6.53565021877925,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:22","end":"07:13","startHours":6.363910750202345,"endHours":7.22260809308687,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:06","end":"14:47","startHours":14.09218683616307,"endHours":14.779144710470689,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:20","end":"17:44","startHours":17.32697620770117,"endHours":17.726976207701167,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:32","end":"17:57","startHours":17.526976207701168,"endHours":17.95632487914343,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:17","end":"19:02","startHours":17.276976207701168,"endHours":19.026976207701168,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:02","end":"00:43","startHours":24.031313213240207,"endHours":24.71827108754783,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:13","end":"08:31","startHours":7.22260809308687,"endHours":8.510654107413657,"quality":"neutral"},{"name":"Labha","start":"08:31","end":"09:48","startHours":8.510654107413657,"endHours":9.798700121740445,"quality":"auspicious"},{"name":"Amṛta","start":"09:48","end":"11:05","startHours":9.798700121740445,"endHours":11.086746136067232,"quality":"auspicious"},{"name":"Kāla","start":"11:05","end":"12:22","startHours":11.086746136067232,"endHours":12.374792150394018,"quality":"inauspicious"},{"name":"Śubha","start":"12:22","end":"13:40","startHours":12.374792150394018,"endHours":13.662838164720807,"quality":"auspicious"},{"name":"Roga","start":"13:40","end":"14:57","startHours":13.662838164720807,"endHours":14.950884179047595,"quality":"inauspicious"},{"name":"Udveg","start":"14:57","end":"16:14","startHours":14.950884179047595,"endHours":16.23893019337438,"quality":"inauspicious"},{"name":"Chala","start":"16:14","end":"17:32","startHours":16.23893019337438,"endHours":17.526976207701168,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:32","end":"19:14","startHours":17.526976207701168,"endHours":19.23893019337438,"quality":"inauspicious"},{"name":"Udveg","start":"19:14","end":"20:57","startHours":19.23893019337438,"endHours":20.95088417904759,"quality":"inauspicious"},{"name":"Chala","start":"20:57","end":"22:40","startHours":20.95088417904759,"endHours":22.662838164720807,"quality":"neutral"},{"name":"Labha","start":"22:40","end":"00:22","startHours":22.662838164720807,"endHours":24.37479215039402,"quality":"auspicious"},{"name":"Amṛta","start":"00:22","end":"02:05","startHours":24.37479215039402,"endHours":26.08674613606723,"quality":"auspicious"},{"name":"Kāla","start":"02:05","end":"03:48","startHours":26.08674613606723,"endHours":27.798700121740445,"quality":"inauspicious"},{"name":"Śubha","start":"03:48","end":"05:31","startHours":27.798700121740445,"endHours":29.510654107413657,"quality":"auspicious"},{"name":"Roga","start":"05:31","end":"07:13","startHours":29.510654107413657,"endHours":31.22260809308687,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:13","end":"08:13","startHours":7.22260809308687,"endHours":8.222608093086869,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:13","end":"09:13","startHours":8.222608093086869,"endHours":9.222608093086869,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:13","end":"10:13","startHours":9.222608093086869,"endHours":10.222608093086869,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:13","end":"11:13","startHours":10.222608093086869,"endHours":11.222608093086869,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:13","end":"12:13","startHours":11.222608093086869,"endHours":12.222608093086869,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:13","end":"13:13","startHours":12.222608093086869,"endHours":13.222608093086869,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:13","end":"14:13","startHours":13.222608093086869,"endHours":14.222608093086869,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:13","end":"15:13","startHours":14.222608093086869,"endHours":15.222608093086869,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:13","end":"16:13","startHours":15.222608093086869,"endHours":16.22260809308687,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:13","end":"17:13","startHours":16.22260809308687,"endHours":17.22260809308687,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:13","end":"18:13","startHours":17.22260809308687,"endHours":18.22260809308687,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:13","end":"19:13","startHours":18.22260809308687,"endHours":19.22260809308687,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:13","end":"20:13","startHours":19.22260809308687,"endHours":20.22260809308687,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:13","end":"21:13","startHours":20.22260809308687,"endHours":21.22260809308687,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:13","end":"22:13","startHours":21.22260809308687,"endHours":22.22260809308687,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:13","end":"23:13","startHours":22.22260809308687,"endHours":23.22260809308687,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:13","end":"00:13","startHours":23.22260809308687,"endHours":24.22260809308687,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:13","end":"01:13","startHours":24.22260809308687,"endHours":25.22260809308687,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:13","end":"02:13","startHours":25.22260809308687,"endHours":26.22260809308687,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:13","end":"03:13","startHours":26.22260809308687,"endHours":27.22260809308687,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:13","end":"04:13","startHours":27.22260809308687,"endHours":28.22260809308687,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:13","end":"05:13","startHours":28.22260809308687,"endHours":29.22260809308687,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:13","end":"06:13","startHours":29.22260809308687,"endHours":30.22260809308687,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:13","end":"07:13","startHours":30.22260809308687,"endHours":31.22260809308687,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"South-East","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"tropicalRitu":"Grīṣma (Summer)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":20.926250639556894,"eotMinutes":-5.929529023641085,"ayanamsa":23.2599}},"calendars":{"vikram_samvat":2014,"vikram_samvatsara":"Sādhāraṇa","saka_samvat":1879,"saka_samvatsara":"Hemalambī","bengali_samvat":1364,"malayalam_era":1133,"nanakshahi_year":488,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Āṣāḍha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Kṛṣṇa Saptamī · Vikram 2014 Sādhāraṇa · Śaka 1879 Hemalambī"},"festivals":[],"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 July 19, 1957 CE · Perth, Australia · Vidhyamitra","description":"July 19, 1957 CE for Perth, Australia: Kṛṣṇa Saptamī, sūryodaya 07:13, sūryāsta 17:32.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1957-07-19","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1957-07-19","sa":"https://sa.vidhyamitra.com/city/perth/1957-07-19","hi":"https://hi.vidhyamitra.com/city/perth/1957-07-19","x-default":"https://vidhyamitra.com/city/perth/1957-07-19"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T07:59:42.910Z","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":"2026-06-02T07:59:42.910Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T07:59:42.910Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}