{"id":"vidhyamitra:city-day:perth:1957-10-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1957-10-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1957-10-07","date_display":"October 7, 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":10,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2436118.770833,"kali_year":5059,"ahargana":1847653.2708,"sun":{"sidereal_longitude":169.6009,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":328.3093,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":158.7084,"elapsed_within_tithi_degrees":2.7084},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3,"moon_longitude":328.3093,"elapsed_within_degrees":8.3093},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":137.9102},"karana":{"half_tithi_index":26,"name":"Gara"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":10,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2436118.770833,"ahargana":1847653.2708,"kali_year":5059,"ayanamsa_lahiri":23.263,"grahas":{"sun":{"sidereal_longitude":170.24260600000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"moon":{"sidereal_longitude":329.8373059999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false,"latitude":3.6452},"mars":{"sidereal_longitude":165.63800600000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":158.31480599999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":169.41040599999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"venus":{"sidereal_longitude":213.90060600000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":227.25800600000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":202.4382,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":22.4382,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"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":10,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2436118.770833,"kali_year":5059,"ahargana":1847653.2708,"sun":{"sidereal_longitude":169.6009,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":328.3093,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":158.7084,"elapsed_within_tithi_degrees":2.7084},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3,"moon_longitude":328.3093,"elapsed_within_degrees":8.3093},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":137.9102},"karana":{"half_tithi_index":26,"name":"Gara"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.645,"elongation":158.708},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.645,"opposition_distance":21.292}},"eclipse_window_40days":[{"offset_days":16,"type":"solar","occurs":true,"moon_latitude":-1.316,"elongation":0.917}]},"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":"05:46","sunsetLocal":"18:21","solarNoonLocal":"12:04","dayLengthHours":12.576485481259795,"dayLengthDisplay":"12 Hours 34 Mins 35 Secs","nightLengthDisplay":"11 Hours 25 Mins 25 Secs","moonriseLocal":"16:32","moonsetLocal":"04:52","rahuKala":{"name":"Rāhu Kāla","start":"07:21","end":"08:55","startHours":7.343805441043917,"endHours":8.91586612620139,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:29","end":"12:04","startHours":10.487926811358864,"endHours":12.059987496516339,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:38","end":"15:12","startHours":13.632048181673813,"endHours":15.204108866831287,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:42","end":"09:08","startHours":8.70625803484706,"endHours":9.125474217555722,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:18","end":"06:38","startHours":6.295764984272267,"endHours":6.631137930439195,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:38","end":"12:29","startHours":11.64077131380768,"endHours":12.479203679224998,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:06","end":"04:56","startHours":4.094880025051803,"endHours":4.933312390469123,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:43","end":"05:46","startHours":4.723704299114793,"endHours":5.771744755886442,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"15:00","startHours":14.156068410059639,"endHours":14.99450077547696,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:09","end":"18:33","startHours":18.148230237146237,"endHours":18.548230237146235,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:21","end":"18:52","startHours":18.348230237146236,"endHours":18.872250465532062,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:06","end":"19:51","startHours":18.098230237146236,"endHours":19.848230237146236,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:38","end":"00:29","startHours":23.64077131380768,"endHours":24.479203679224998,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:46","end":"07:21","startHours":5.771744755886442,"endHours":7.343805441043917,"quality":"auspicious"},{"name":"Kāla","start":"07:21","end":"08:55","startHours":7.343805441043917,"endHours":8.91586612620139,"quality":"inauspicious"},{"name":"Śubha","start":"08:55","end":"10:29","startHours":8.91586612620139,"endHours":10.487926811358864,"quality":"auspicious"},{"name":"Roga","start":"10:29","end":"12:04","startHours":10.487926811358864,"endHours":12.059987496516339,"quality":"inauspicious"},{"name":"Udveg","start":"12:04","end":"13:38","startHours":12.059987496516339,"endHours":13.632048181673813,"quality":"inauspicious"},{"name":"Chala","start":"13:38","end":"15:12","startHours":13.632048181673813,"endHours":15.204108866831287,"quality":"neutral"},{"name":"Labha","start":"15:12","end":"16:47","startHours":15.204108866831287,"endHours":16.77616955198876,"quality":"auspicious"},{"name":"Amṛta","start":"16:47","end":"18:21","startHours":16.77616955198876,"endHours":18.348230237146236,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:21","end":"19:47","startHours":18.348230237146236,"endHours":19.77616955198876,"quality":"neutral"},{"name":"Labha","start":"19:47","end":"21:12","startHours":19.77616955198876,"endHours":21.204108866831287,"quality":"auspicious"},{"name":"Amṛta","start":"21:12","end":"22:38","startHours":21.204108866831287,"endHours":22.632048181673813,"quality":"auspicious"},{"name":"Kāla","start":"22:38","end":"00:04","startHours":22.632048181673813,"endHours":24.05998749651634,"quality":"inauspicious"},{"name":"Śubha","start":"00:04","end":"01:29","startHours":24.05998749651634,"endHours":25.487926811358864,"quality":"auspicious"},{"name":"Roga","start":"01:29","end":"02:55","startHours":25.487926811358864,"endHours":26.91586612620139,"quality":"inauspicious"},{"name":"Udveg","start":"02:55","end":"04:21","startHours":26.91586612620139,"endHours":28.343805441043916,"quality":"inauspicious"},{"name":"Chala","start":"04:21","end":"05:46","startHours":28.343805441043916,"endHours":29.77174475588644,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:46","end":"06:46","startHours":5.771744755886442,"endHours":6.771744755886442,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:46","end":"07:46","startHours":6.771744755886442,"endHours":7.771744755886442,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:46","end":"08:46","startHours":7.771744755886442,"endHours":8.771744755886441,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:46","end":"09:46","startHours":8.771744755886441,"endHours":9.771744755886441,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:46","end":"10:46","startHours":9.771744755886441,"endHours":10.771744755886441,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:46","end":"11:46","startHours":10.771744755886441,"endHours":11.771744755886441,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:46","end":"12:46","startHours":11.771744755886441,"endHours":12.771744755886441,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:46","end":"13:46","startHours":12.771744755886441,"endHours":13.771744755886441,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:46","end":"14:46","startHours":13.771744755886441,"endHours":14.771744755886441,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:46","end":"15:46","startHours":14.771744755886441,"endHours":15.771744755886441,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:46","end":"16:46","startHours":15.771744755886441,"endHours":16.77174475588644,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:46","end":"17:46","startHours":16.77174475588644,"endHours":17.77174475588644,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:46","end":"18:46","startHours":17.77174475588644,"endHours":18.77174475588644,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:46","end":"19:46","startHours":18.77174475588644,"endHours":19.77174475588644,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:46","end":"20:46","startHours":19.77174475588644,"endHours":20.77174475588644,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:46","end":"21:46","startHours":20.77174475588644,"endHours":21.77174475588644,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:46","end":"22:46","startHours":21.77174475588644,"endHours":22.77174475588644,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:46","end":"23:46","startHours":22.77174475588644,"endHours":23.77174475588644,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:46","end":"00:46","startHours":23.77174475588644,"endHours":24.77174475588644,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:46","end":"01:46","startHours":24.77174475588644,"endHours":25.77174475588644,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:46","end":"02:46","startHours":25.77174475588644,"endHours":26.77174475588644,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:46","end":"03:46","startHours":26.77174475588644,"endHours":27.77174475588644,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:46","end":"04:46","startHours":27.77174475588644,"endHours":28.77174475588644,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:46","end":"05:46","startHours":28.77174475588644,"endHours":29.77174475588644,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Ānanda","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-5.329695234752066,"eotMinutes":12.958750209019716,"ayanamsa":23.263}},"calendars":{"vikram_samvat":2014,"vikram_samvatsara":"Sādhāraṇa","saka_samvat":1879,"saka_samvatsara":"Hemalambī","bengali_samvat":1364,"malayalam_era":1133,"nanakshahi_year":488,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Āśvina","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Caturdaśī · Vikram 2014 Sādhāraṇa · Śaka 1879 Hemalambī"},"festivals":[],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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 October 7, 1957 CE · Perth, Australia · Vidhyamitra","description":"October 7, 1957 CE for Perth, Australia: Śukla Caturdaśī, sūryodaya 05:46, sūryāsta 18:21.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1957-10-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1957-10-07","sa":"https://sa.vidhyamitra.com/city/perth/1957-10-07","hi":"https://hi.vidhyamitra.com/city/perth/1957-10-07","x-default":"https://vidhyamitra.com/city/perth/1957-10-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T21:55:13.870Z","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":"2026-06-01T21:55:13.870Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T21:55:13.870Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}