{"id":"vidhyamitra:city-day:perth:1957-10-06:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1957-10-06","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1957-10-06","date_display":"October 6, 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":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2436117.770833,"kali_year":5059,"ahargana":1847652.2708,"sun":{"sidereal_longitude":168.6138,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":315.917,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":147.3031,"elapsed_within_tithi_degrees":3.3031},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3,"moon_longitude":315.917,"elapsed_within_degrees":9.2503},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":124.5308},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":6,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2436117.770833,"ahargana":1847652.2708,"kali_year":5059,"ayanamsa_lahiri":23.263,"grahas":{"sun":{"sidereal_longitude":169.25614399999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"moon":{"sidereal_longitude":317.984244,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false,"latitude":4.1284},"mars":{"sidereal_longitude":164.98594400000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":156.614144,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":169.19314399999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"venus":{"sidereal_longitude":212.74854400000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":227.177544,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":202.4912,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":22.4912,"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":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2436117.770833,"kali_year":5059,"ahargana":1847652.2708,"sun":{"sidereal_longitude":168.6138,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":315.917,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":147.3031,"elapsed_within_tithi_degrees":3.3031},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3,"moon_longitude":315.917,"elapsed_within_degrees":9.2503},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":124.5308},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.128,"elongation":147.303},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.128,"opposition_distance":32.697}},"eclipse_window_40days":[{"offset_days":17,"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":"05:48","sunsetLocal":"18:20","solarNoonLocal":"12:04","dayLengthHours":12.544145081271914,"dayLengthDisplay":"12 Hours 32 Mins 39 Secs","nightLengthDisplay":"11 Hours 27 Mins 21 Secs","moonriseLocal":"15:38","moonsetLocal":"04:20","rahuKala":{"name":"Rāhu Kāla","start":"16:46","end":"18:20","startHours":16.76869398551251,"endHours":18.3367121206715,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:04","end":"13:38","startHours":12.064639580035543,"endHours":13.632657715194531,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:12","end":"16:46","startHours":15.20067585035352,"endHours":16.76869398551251,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:43","end":"09:08","startHours":8.719534225029697,"endHours":9.137672394405428,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:19","end":"06:39","startHours":6.315239751119248,"endHours":6.649750286619832,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:39","end":"12:29","startHours":11.646501410659813,"endHours":12.482777749411273,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:07","end":"04:57","startHours":4.120014361896663,"endHours":4.956290700648124,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:45","end":"05:48","startHours":4.7472216159602585,"endHours":5.792567039399585,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"14:59","startHours":14.155330426914194,"endHours":14.991606765665654,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:08","end":"18:32","startHours":18.1367121206715,"endHours":18.5367121206715,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:20","end":"18:52","startHours":18.3367121206715,"endHours":18.859384832391164,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:05","end":"19:50","startHours":18.0867121206715,"endHours":19.8367121206715,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:39","end":"00:29","startHours":23.646501410659813,"endHours":24.482777749411273,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:48","end":"07:22","startHours":5.792567039399585,"endHours":7.360585174558574,"quality":"inauspicious"},{"name":"Chala","start":"07:22","end":"08:56","startHours":7.360585174558574,"endHours":8.928603309717563,"quality":"neutral"},{"name":"Labha","start":"08:56","end":"10:30","startHours":8.928603309717563,"endHours":10.496621444876553,"quality":"auspicious"},{"name":"Amṛta","start":"10:30","end":"12:04","startHours":10.496621444876553,"endHours":12.064639580035543,"quality":"auspicious"},{"name":"Kāla","start":"12:04","end":"13:38","startHours":12.064639580035543,"endHours":13.632657715194531,"quality":"inauspicious"},{"name":"Śubha","start":"13:38","end":"15:12","startHours":13.632657715194531,"endHours":15.20067585035352,"quality":"auspicious"},{"name":"Roga","start":"15:12","end":"16:46","startHours":15.20067585035352,"endHours":16.76869398551251,"quality":"inauspicious"},{"name":"Udveg","start":"16:46","end":"18:20","startHours":16.76869398551251,"endHours":18.3367121206715,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:20","end":"19:46","startHours":18.3367121206715,"endHours":19.76869398551251,"quality":"auspicious"},{"name":"Roga","start":"19:46","end":"21:12","startHours":19.76869398551251,"endHours":21.20067585035352,"quality":"inauspicious"},{"name":"Udveg","start":"21:12","end":"22:38","startHours":21.20067585035352,"endHours":22.632657715194533,"quality":"inauspicious"},{"name":"Chala","start":"22:38","end":"00:04","startHours":22.632657715194533,"endHours":24.064639580035543,"quality":"neutral"},{"name":"Labha","start":"00:04","end":"01:30","startHours":24.064639580035543,"endHours":25.496621444876553,"quality":"auspicious"},{"name":"Amṛta","start":"01:30","end":"02:56","startHours":25.496621444876553,"endHours":26.928603309717566,"quality":"auspicious"},{"name":"Kāla","start":"02:56","end":"04:22","startHours":26.928603309717566,"endHours":28.360585174558576,"quality":"inauspicious"},{"name":"Śubha","start":"04:22","end":"05:48","startHours":28.360585174558576,"endHours":29.792567039399586,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:48","end":"06:48","startHours":5.792567039399585,"endHours":6.792567039399585,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:48","end":"07:48","startHours":6.792567039399585,"endHours":7.792567039399585,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:48","end":"08:48","startHours":7.792567039399585,"endHours":8.792567039399586,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:48","end":"09:48","startHours":8.792567039399586,"endHours":9.792567039399586,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:48","end":"10:48","startHours":9.792567039399586,"endHours":10.792567039399586,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:48","end":"11:48","startHours":10.792567039399586,"endHours":11.792567039399586,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:48","end":"12:48","startHours":11.792567039399586,"endHours":12.792567039399586,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:48","end":"13:48","startHours":12.792567039399586,"endHours":13.792567039399586,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:48","end":"14:48","startHours":13.792567039399586,"endHours":14.792567039399586,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:48","end":"15:48","startHours":14.792567039399586,"endHours":15.792567039399586,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:48","end":"16:48","startHours":15.792567039399586,"endHours":16.792567039399586,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:48","end":"17:48","startHours":16.792567039399586,"endHours":17.792567039399586,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:48","end":"18:48","startHours":17.792567039399586,"endHours":18.792567039399586,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:48","end":"19:48","startHours":18.792567039399586,"endHours":19.792567039399586,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:48","end":"20:48","startHours":19.792567039399586,"endHours":20.792567039399586,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:48","end":"21:48","startHours":20.792567039399586,"endHours":21.792567039399586,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:48","end":"22:48","startHours":21.792567039399586,"endHours":22.792567039399586,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:48","end":"23:48","startHours":22.792567039399586,"endHours":23.792567039399586,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:48","end":"00:48","startHours":23.792567039399586,"endHours":24.792567039399586,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:48","end":"01:48","startHours":24.792567039399586,"endHours":25.792567039399586,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:48","end":"02:48","startHours":25.792567039399586,"endHours":26.792567039399586,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:48","end":"03:48","startHours":26.792567039399586,"endHours":27.792567039399586,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:48","end":"04:48","startHours":27.792567039399586,"endHours":28.792567039399586,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:48","end":"05:48","startHours":28.792567039399586,"endHours":29.792567039399586,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"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":"West (Paścim)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Mātaṇga","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":-4.945884137385798,"eotMinutes":12.679625197867345,"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 Trayodaśī · Vikram 2014 Sādhāraṇa · Śaka 1879 Hemalambī"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 6, 1957 CE · Perth, Australia · Vidhyamitra","description":"October 6, 1957 CE for Perth, Australia: Śukla Trayodaśī, sūryodaya 05:48, sūryāsta 18:20.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1957-10-06","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1957-10-06","sa":"https://sa.vidhyamitra.com/city/perth/1957-10-06","hi":"https://hi.vidhyamitra.com/city/perth/1957-10-06","x-default":"https://vidhyamitra.com/city/perth/1957-10-06"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T03:06:43.192Z","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":"2026-06-03T03:06:43.192Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T03:06:43.192Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}