{"id":"vidhyamitra:city-day:perth:2047-07-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2047-07-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2047-07-31","date_display":"July 31, 2047 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":2047,"month":7,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2468922.770833,"kali_year":5149,"ahargana":1880457.2708,"sun":{"sidereal_longitude":102.652,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":207.9067,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":105.2547,"elapsed_within_tithi_degrees":9.2547},"nakshatra":{"number":16,"name":"Viśākhā","pada":3,"moon_longitude":207.9067,"elapsed_within_degrees":7.9067},"yoga":{"number":24,"name":"Śukla","sum_longitude":310.5587},"karana":{"half_tithi_index":17,"name":"Kaulava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2047,"month":7,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2468922.770833,"ahargana":1880457.2708,"kali_year":5149,"ayanamsa_lahiri":24.5176,"grahas":{"sun":{"sidereal_longitude":103.292552,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"moon":{"sidereal_longitude":208.23265200000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false,"latitude":-3.7477},"mars":{"sidereal_longitude":92.051152,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":94.663052,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":27.900851999999986,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":112.49755200000004,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":true},"saturn":{"sidereal_longitude":243.43805199999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":264.3244,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":84.3244,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","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":2047,"month":7,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2468922.770833,"kali_year":5149,"ahargana":1880457.2708,"sun":{"sidereal_longitude":102.652,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":207.9067,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":105.2547,"elapsed_within_tithi_degrees":9.2547},"nakshatra":{"number":16,"name":"Viśākhā","pada":3,"moon_longitude":207.9067,"elapsed_within_degrees":7.9067},"yoga":{"number":24,"name":"Śukla","sum_longitude":310.5587},"karana":{"half_tithi_index":17,"name":"Kaulava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.748,"elongation":105.255},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.748,"opposition_distance":74.745}},"eclipse_window_40days":[{"offset_days":-8,"type":"solar","occurs":true,"moon_latitude":-0.843,"elongation":0.498}]},"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":"07:06","sunsetLocal":"17:39","solarNoonLocal":"12:23","dayLengthHours":10.552218174716408,"dayLengthDisplay":"10 Hours 33 Mins 08 Secs","nightLengthDisplay":"13 Hours 26 Mins 52 Secs","moonriseLocal":"12:31","moonsetLocal":"02:13","rahuKala":{"name":"Rāhu Kāla","start":"12:23","end":"13:42","startHours":12.377156241872513,"endHours":13.696183513712063,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:25","end":"09:44","startHours":8.420074426353858,"endHours":9.739101698193409,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:03","end":"12:23","startHours":11.05812897003296,"endHours":12.377156241872513,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:34","end":"09:55","startHours":9.56323139528147,"endHours":9.91497200110535,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:32","end":"07:49","startHours":7.540722911794158,"endHours":7.822115396453262,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:02","end":"12:44","startHours":12.025415636048633,"endHours":12.728896847696392,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:42","end":"06:24","startHours":5.694084731218786,"endHours":6.397565942866547,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:13","end":"07:06","startHours":6.221695639954607,"endHours":7.1010471545143075,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:08","end":"14:50","startHours":14.135859270991913,"endHours":14.839340482639674,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:27","end":"17:51","startHours":17.453265329230717,"endHours":17.853265329230716,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:39","end":"18:06","startHours":17.653265329230717,"endHours":18.092941086510567,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:24","end":"19:09","startHours":17.403265329230717,"endHours":19.153265329230717,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:02","end":"00:44","startHours":24.02541563604863,"endHours":24.728896847696394,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"07:06","end":"08:25","startHours":7.1010471545143075,"endHours":8.420074426353858,"quality":"auspicious"},{"name":"Amṛta","start":"08:25","end":"09:44","startHours":8.420074426353858,"endHours":9.739101698193409,"quality":"auspicious"},{"name":"Kāla","start":"09:44","end":"11:03","startHours":9.739101698193409,"endHours":11.05812897003296,"quality":"inauspicious"},{"name":"Śubha","start":"11:03","end":"12:23","startHours":11.05812897003296,"endHours":12.377156241872513,"quality":"auspicious"},{"name":"Roga","start":"12:23","end":"13:42","startHours":12.377156241872513,"endHours":13.696183513712063,"quality":"inauspicious"},{"name":"Udveg","start":"13:42","end":"15:01","startHours":13.696183513712063,"endHours":15.015210785551613,"quality":"inauspicious"},{"name":"Chala","start":"15:01","end":"16:20","startHours":15.015210785551613,"endHours":16.334238057391165,"quality":"neutral"},{"name":"Labha","start":"16:20","end":"17:39","startHours":16.334238057391165,"endHours":17.653265329230717,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:39","end":"19:20","startHours":17.653265329230717,"endHours":19.334238057391165,"quality":"inauspicious"},{"name":"Chala","start":"19:20","end":"21:01","startHours":19.334238057391165,"endHours":21.015210785551616,"quality":"neutral"},{"name":"Labha","start":"21:01","end":"22:42","startHours":21.015210785551616,"endHours":22.696183513712064,"quality":"auspicious"},{"name":"Amṛta","start":"22:42","end":"00:23","startHours":22.696183513712064,"endHours":24.377156241872513,"quality":"auspicious"},{"name":"Kāla","start":"00:23","end":"02:03","startHours":24.377156241872513,"endHours":26.05812897003296,"quality":"inauspicious"},{"name":"Śubha","start":"02:03","end":"03:44","startHours":26.05812897003296,"endHours":27.73910169819341,"quality":"auspicious"},{"name":"Roga","start":"03:44","end":"05:25","startHours":27.73910169819341,"endHours":29.42007442635386,"quality":"inauspicious"},{"name":"Udveg","start":"05:25","end":"07:06","startHours":29.42007442635386,"endHours":31.10104715451431,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:06","end":"08:06","startHours":7.1010471545143075,"endHours":8.101047154514308,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"08:06","end":"09:06","startHours":8.101047154514308,"endHours":9.101047154514308,"planetary_lord":"Venus"},{"name":"Hora 3","start":"09:06","end":"10:06","startHours":9.101047154514308,"endHours":10.101047154514308,"planetary_lord":"Sun"},{"name":"Hora 4","start":"10:06","end":"11:06","startHours":10.101047154514308,"endHours":11.101047154514308,"planetary_lord":"Mars"},{"name":"Hora 5","start":"11:06","end":"12:06","startHours":11.101047154514308,"endHours":12.101047154514308,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"12:06","end":"13:06","startHours":12.101047154514308,"endHours":13.101047154514308,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"13:06","end":"14:06","startHours":13.101047154514308,"endHours":14.101047154514308,"planetary_lord":"Moon"},{"name":"Hora 8","start":"14:06","end":"15:06","startHours":14.101047154514308,"endHours":15.101047154514308,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"15:06","end":"16:06","startHours":15.101047154514308,"endHours":16.10104715451431,"planetary_lord":"Venus"},{"name":"Hora 10","start":"16:06","end":"17:06","startHours":16.10104715451431,"endHours":17.10104715451431,"planetary_lord":"Sun"},{"name":"Hora 11","start":"17:06","end":"18:06","startHours":17.10104715451431,"endHours":18.10104715451431,"planetary_lord":"Mars"},{"name":"Hora 12","start":"18:06","end":"19:06","startHours":18.10104715451431,"endHours":19.10104715451431,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"19:06","end":"20:06","startHours":19.10104715451431,"endHours":20.10104715451431,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"20:06","end":"21:06","startHours":20.10104715451431,"endHours":21.10104715451431,"planetary_lord":"Moon"},{"name":"Hora 15","start":"21:06","end":"22:06","startHours":21.10104715451431,"endHours":22.10104715451431,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"22:06","end":"23:06","startHours":22.10104715451431,"endHours":23.10104715451431,"planetary_lord":"Venus"},{"name":"Hora 17","start":"23:06","end":"00:06","startHours":23.10104715451431,"endHours":24.10104715451431,"planetary_lord":"Sun"},{"name":"Hora 18","start":"00:06","end":"01:06","startHours":24.10104715451431,"endHours":25.10104715451431,"planetary_lord":"Mars"},{"name":"Hora 19","start":"01:06","end":"02:06","startHours":25.10104715451431,"endHours":26.10104715451431,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"02:06","end":"03:06","startHours":26.10104715451431,"endHours":27.10104715451431,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"03:06","end":"04:06","startHours":27.10104715451431,"endHours":28.10104715451431,"planetary_lord":"Moon"},{"name":"Hora 22","start":"04:06","end":"05:06","startHours":28.10104715451431,"endHours":29.10104715451431,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"05:06","end":"06:06","startHours":29.10104715451431,"endHours":30.10104715451431,"planetary_lord":"Venus"},{"name":"Hora 24","start":"06:06","end":"07:06","startHours":30.10104715451431,"endHours":31.10104715451431,"planetary_lord":"Sun"}],"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","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"North","rahuVasa":"South-West","anandadiYoga":{"name":"Dhātṛ","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":18.314160822979765,"eotMinutes":-6.071374512350812,"ayanamsa":24.5176}},"calendars":{"vikram_samvat":2104,"vikram_samvatsara":"Vikrama","saka_samvat":1969,"saka_samvatsara":"Prabhava","bengali_samvat":1454,"malayalam_era":1223,"nanakshahi_year":578,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Śrāvaṇa","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 Śukla Navamī · Vikram 2104 Vikrama · Śaka 1969 Prabhava"},"festivals":[],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Śukla Navamī","url":"/day/-1626101-04-03","relevance":0.5},{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","url":"/day/-0562-04-11","relevance":0.5}]},"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 31, 2047 CE · Perth, Australia · Vidhyamitra","description":"July 31, 2047 CE for Perth, Australia: Śukla Navamī, sūryodaya 07:06, sūryāsta 17:39.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2047-07-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2047-07-31","sa":"https://sa.vidhyamitra.com/city/perth/2047-07-31","hi":"https://hi.vidhyamitra.com/city/perth/2047-07-31","x-default":"https://vidhyamitra.com/city/perth/2047-07-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T20:50:47.261Z","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":"2026-06-01T20:50:47.261Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T20:50:47.261Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}