{"id":"vidhyamitra:city-day:perth:1899-08-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1899-08-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1899-08-04","date_display":"August 4, 1899 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":1899,"month":8,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2414870.770833,"kali_year":5001,"ahargana":1826405.2708,"sun":{"sidereal_longitude":108.64,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":81.124,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":332.484,"elapsed_within_tithi_degrees":8.484},"nakshatra":{"number":7,"name":"Punarvasu","pada":1,"moon_longitude":81.124,"elapsed_within_degrees":1.124},"yoga":{"number":15,"name":"Vajra","sum_longitude":189.7641},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"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":1899,"month":8,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2414870.770833,"ahargana":1826405.2708,"kali_year":5001,"ayanamsa_lahiri":22.4503,"grahas":{"sun":{"sidereal_longitude":108.958936,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":82.17773599999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false,"latitude":-1.0009},"mars":{"sidereal_longitude":157.74033599999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":132.67643599999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":191.127436,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":98.59813600000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":236.07493599999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":248.2595,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":68.2595,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","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":1899,"month":8,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2414870.770833,"kali_year":5001,"ahargana":1826405.2708,"sun":{"sidereal_longitude":108.64,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":81.124,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":332.484,"elapsed_within_tithi_degrees":8.484},"nakshatra":{"number":7,"name":"Punarvasu","pada":1,"moon_longitude":81.124,"elapsed_within_degrees":1.124},"yoga":{"number":15,"name":"Vajra","sum_longitude":189.7641},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.001,"elongation":27.516},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.001,"opposition_distance":152.484}},"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":"07:03","sunsetLocal":"17:42","solarNoonLocal":"12:22","dayLengthHours":10.64093571220149,"dayLengthDisplay":"10 Hours 38 Mins 27 Secs","nightLengthDisplay":"13 Hours 21 Mins 33 Secs","moonriseLocal":"05:32","moonsetLocal":"15:38","rahuKala":{"name":"Rāhu Kāla","start":"11:03","end":"12:22","startHours":11.042414127042111,"endHours":12.372531091067298,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:02","end":"16:22","startHours":15.03276501911767,"endHours":16.362881983142856,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:23","end":"09:43","startHours":8.38218019899174,"endHours":9.712297163016926,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:32","end":"09:53","startHours":9.534948234480234,"endHours":9.889646091553617,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:30","end":"07:47","startHours":7.495435556308282,"endHours":7.779193841966988,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:01","end":"12:44","startHours":12.017833233993915,"endHours":12.72722894814068,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:38","end":"06:21","startHours":5.633271806673021,"endHours":6.342667520819788,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:10","end":"07:03","startHours":6.1653185922830955,"endHours":7.052063234966553,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"14:51","startHours":14.146020376434212,"endHours":14.855416090580977,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:30","end":"17:54","startHours":17.492998947168044,"endHours":17.892998947168042,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:42","end":"18:08","startHours":17.692998947168043,"endHours":18.136371268509773,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:27","end":"19:12","startHours":17.442998947168043,"endHours":19.192998947168043,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:01","end":"00:44","startHours":24.017833233993915,"endHours":24.72722894814068,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:03","end":"08:23","startHours":7.052063234966553,"endHours":8.38218019899174,"quality":"neutral"},{"name":"Labha","start":"08:23","end":"09:43","startHours":8.38218019899174,"endHours":9.712297163016926,"quality":"auspicious"},{"name":"Amṛta","start":"09:43","end":"11:03","startHours":9.712297163016926,"endHours":11.042414127042111,"quality":"auspicious"},{"name":"Kāla","start":"11:03","end":"12:22","startHours":11.042414127042111,"endHours":12.372531091067298,"quality":"inauspicious"},{"name":"Śubha","start":"12:22","end":"13:42","startHours":12.372531091067298,"endHours":13.702648055092485,"quality":"auspicious"},{"name":"Roga","start":"13:42","end":"15:02","startHours":13.702648055092485,"endHours":15.03276501911767,"quality":"inauspicious"},{"name":"Udveg","start":"15:02","end":"16:22","startHours":15.03276501911767,"endHours":16.362881983142856,"quality":"inauspicious"},{"name":"Chala","start":"16:22","end":"17:42","startHours":16.362881983142856,"endHours":17.692998947168043,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:42","end":"19:22","startHours":17.692998947168043,"endHours":19.362881983142856,"quality":"inauspicious"},{"name":"Udveg","start":"19:22","end":"21:02","startHours":19.362881983142856,"endHours":21.03276501911767,"quality":"inauspicious"},{"name":"Chala","start":"21:02","end":"22:42","startHours":21.03276501911767,"endHours":22.702648055092485,"quality":"neutral"},{"name":"Labha","start":"22:42","end":"00:22","startHours":22.702648055092485,"endHours":24.372531091067298,"quality":"auspicious"},{"name":"Amṛta","start":"00:22","end":"02:03","startHours":24.372531091067298,"endHours":26.04241412704211,"quality":"auspicious"},{"name":"Kāla","start":"02:03","end":"03:43","startHours":26.04241412704211,"endHours":27.712297163016927,"quality":"inauspicious"},{"name":"Śubha","start":"03:43","end":"05:23","startHours":27.712297163016927,"endHours":29.38218019899174,"quality":"auspicious"},{"name":"Roga","start":"05:23","end":"07:03","startHours":29.38218019899174,"endHours":31.052063234966553,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:03","end":"08:03","startHours":7.052063234966553,"endHours":8.052063234966553,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:03","end":"09:03","startHours":8.052063234966553,"endHours":9.052063234966553,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:03","end":"10:03","startHours":9.052063234966553,"endHours":10.052063234966553,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:03","end":"11:03","startHours":10.052063234966553,"endHours":11.052063234966553,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:03","end":"12:03","startHours":11.052063234966553,"endHours":12.052063234966553,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:03","end":"13:03","startHours":12.052063234966553,"endHours":13.052063234966553,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:03","end":"14:03","startHours":13.052063234966553,"endHours":14.052063234966553,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:03","end":"15:03","startHours":14.052063234966553,"endHours":15.052063234966553,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:03","end":"16:03","startHours":15.052063234966553,"endHours":16.052063234966553,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:03","end":"17:03","startHours":16.052063234966553,"endHours":17.052063234966553,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:03","end":"18:03","startHours":17.052063234966553,"endHours":18.052063234966553,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:03","end":"19:03","startHours":18.052063234966553,"endHours":19.052063234966553,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:03","end":"20:03","startHours":19.052063234966553,"endHours":20.052063234966553,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:03","end":"21:03","startHours":20.052063234966553,"endHours":21.052063234966553,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:03","end":"22:03","startHours":21.052063234966553,"endHours":22.052063234966553,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:03","end":"23:03","startHours":22.052063234966553,"endHours":23.052063234966553,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:03","end":"00:03","startHours":23.052063234966553,"endHours":24.052063234966553,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:03","end":"01:03","startHours":24.052063234966553,"endHours":25.052063234966553,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:03","end":"02:03","startHours":25.052063234966553,"endHours":26.052063234966553,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:03","end":"03:03","startHours":26.052063234966553,"endHours":27.052063234966553,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:03","end":"04:03","startHours":27.052063234966553,"endHours":28.052063234966553,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:03","end":"05:03","startHours":28.052063234966553,"endHours":29.052063234966553,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:03","end":"06:03","startHours":29.052063234966553,"endHours":30.052063234966553,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:03","end":"07:03","startHours":30.052063234966553,"endHours":31.052063234966553,"planetary_lord":"Mars"}],"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","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"South-East","anandadiYoga":{"name":"Sushira","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":17.355592915348694,"eotMinutes":-5.793865464037833,"ayanamsa":22.4503}},"calendars":{"vikram_samvat":1956,"vikram_samvatsara":"Paridhāvi","saka_samvat":1821,"saka_samvatsara":"Vikāri","bengali_samvat":1306,"malayalam_era":1075,"nanakshahi_year":430,"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 Trayodaśī · Vikram 1956 Paridhāvi · Śaka 1821 Vikāri"},"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":"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":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Punarvasu","url":"/day/-1626101-04-03","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 August 4, 1899 CE · Perth, Australia · Vidhyamitra","description":"August 4, 1899 CE for Perth, Australia: Kṛṣṇa Trayodaśī, sūryodaya 07:03, sūryāsta 17:42.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1899-08-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1899-08-04","sa":"https://sa.vidhyamitra.com/city/perth/1899-08-04","hi":"https://hi.vidhyamitra.com/city/perth/1899-08-04","x-default":"https://vidhyamitra.com/city/perth/1899-08-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T01:32:15.874Z","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":"2026-06-01T01:32:15.874Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T01:32:15.874Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}