{"id":"vidhyamitra:city-day:perth:1898-08-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1898-08-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1898-08-15","date_display":"August 15, 1898 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":1898,"month":8,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2414516.770833,"kali_year":5000,"ahargana":1826051.2708,"sun":{"sidereal_longitude":119.3824,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":91.6211,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":332.2387,"elapsed_within_tithi_degrees":8.2387},"nakshatra":{"number":7,"name":"Punarvasu","pada":4,"moon_longitude":91.6211,"elapsed_within_degrees":11.6211},"yoga":{"number":16,"name":"Siddhi","sum_longitude":211.0035},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"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":1898,"month":8,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2414516.770833,"ahargana":1826051.2708,"kali_year":5000,"ayanamsa_lahiri":22.4368,"grahas":{"sun":{"sidereal_longitude":119.758061,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":93.054461,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false,"latitude":-0.3609},"mars":{"sidereal_longitude":57.126161000000025,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":147.73186099999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":166.95746099999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"venus":{"sidereal_longitude":164.06856100000005,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":224.38196100000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":267.0161,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":87.0161,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","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":1898,"month":8,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2414516.770833,"kali_year":5000,"ahargana":1826051.2708,"sun":{"sidereal_longitude":119.3824,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":91.6211,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":332.2387,"elapsed_within_tithi_degrees":8.2387},"nakshatra":{"number":7,"name":"Punarvasu","pada":4,"moon_longitude":91.6211,"elapsed_within_degrees":11.6211},"yoga":{"number":16,"name":"Siddhi","sum_longitude":211.0035},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.361,"elongation":27.761},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.361,"opposition_distance":152.239}},"eclipse_window_40days":[{"offset_days":-13,"type":"lunar","occurs":true,"moon_latitude":1.419,"opposition_distance":0.883}]},"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":"06:53","sunsetLocal":"17:49","solarNoonLocal":"12:21","dayLengthHours":10.933779868965381,"dayLengthDisplay":"10 Hours 56 Mins 02 Secs","nightLengthDisplay":"13 Hours 03 Mins 58 Secs","moonriseLocal":"05:26","moonsetLocal":"15:41","rahuKala":{"name":"Rāhu Kāla","start":"08:15","end":"09:37","startHours":8.245411011248457,"endHours":9.61213349486913,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:59","end":"12:21","startHours":10.978855978489802,"endHours":12.345578462110474,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:43","end":"15:05","startHours":13.712300945731148,"endHours":15.079023429351821,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:26","end":"09:48","startHours":9.429903830386372,"endHours":9.794363159351885,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:20","end":"07:38","startHours":7.334262688834675,"endHours":7.625830152007086,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:59","end":"12:43","startHours":11.981119133144961,"endHours":12.710037791075987,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:25","end":"06:09","startHours":5.420851211765734,"endHours":6.149769869696759,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:58","end":"06:53","startHours":5.967540205214003,"endHours":6.8786885276277845,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:54","startHours":14.167875106938038,"endHours":14.896793764869063,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:37","end":"18:01","startHours":17.612468396593165,"endHours":18.012468396593164,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:49","end":"18:16","startHours":17.812468396593164,"endHours":18.268042557800054,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:34","end":"19:19","startHours":17.562468396593164,"endHours":19.312468396593164,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:59","end":"00:43","startHours":23.98111913314496,"endHours":24.710037791075987,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:53","end":"08:15","startHours":6.8786885276277845,"endHours":8.245411011248457,"quality":"auspicious"},{"name":"Kāla","start":"08:15","end":"09:37","startHours":8.245411011248457,"endHours":9.61213349486913,"quality":"inauspicious"},{"name":"Śubha","start":"09:37","end":"10:59","startHours":9.61213349486913,"endHours":10.978855978489802,"quality":"auspicious"},{"name":"Roga","start":"10:59","end":"12:21","startHours":10.978855978489802,"endHours":12.345578462110474,"quality":"inauspicious"},{"name":"Udveg","start":"12:21","end":"13:43","startHours":12.345578462110474,"endHours":13.712300945731148,"quality":"inauspicious"},{"name":"Chala","start":"13:43","end":"15:05","startHours":13.712300945731148,"endHours":15.079023429351821,"quality":"neutral"},{"name":"Labha","start":"15:05","end":"16:27","startHours":15.079023429351821,"endHours":16.44574591297249,"quality":"auspicious"},{"name":"Amṛta","start":"16:27","end":"17:49","startHours":16.44574591297249,"endHours":17.812468396593164,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:49","end":"19:27","startHours":17.812468396593164,"endHours":19.44574591297249,"quality":"neutral"},{"name":"Labha","start":"19:27","end":"21:05","startHours":19.44574591297249,"endHours":21.07902342935182,"quality":"auspicious"},{"name":"Amṛta","start":"21:05","end":"22:43","startHours":21.07902342935182,"endHours":22.712300945731148,"quality":"auspicious"},{"name":"Kāla","start":"22:43","end":"00:21","startHours":22.712300945731148,"endHours":24.345578462110474,"quality":"inauspicious"},{"name":"Śubha","start":"00:21","end":"01:59","startHours":24.345578462110474,"endHours":25.9788559784898,"quality":"auspicious"},{"name":"Roga","start":"01:59","end":"03:37","startHours":25.9788559784898,"endHours":27.612133494869127,"quality":"inauspicious"},{"name":"Udveg","start":"03:37","end":"05:15","startHours":27.612133494869127,"endHours":29.245411011248457,"quality":"inauspicious"},{"name":"Chala","start":"05:15","end":"06:53","startHours":29.245411011248457,"endHours":30.878688527627784,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:53","end":"07:53","startHours":6.8786885276277845,"endHours":7.8786885276277845,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:53","end":"08:53","startHours":7.8786885276277845,"endHours":8.878688527627784,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:53","end":"09:53","startHours":8.878688527627784,"endHours":9.878688527627784,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:53","end":"10:53","startHours":9.878688527627784,"endHours":10.878688527627784,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:53","end":"11:53","startHours":10.878688527627784,"endHours":11.878688527627784,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:53","end":"12:53","startHours":11.878688527627784,"endHours":12.878688527627784,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:53","end":"13:53","startHours":12.878688527627784,"endHours":13.878688527627784,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:53","end":"14:53","startHours":13.878688527627784,"endHours":14.878688527627784,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:53","end":"15:53","startHours":14.878688527627784,"endHours":15.878688527627784,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:53","end":"16:53","startHours":15.878688527627784,"endHours":16.878688527627784,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:53","end":"17:53","startHours":16.878688527627784,"endHours":17.878688527627784,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:53","end":"18:53","startHours":17.878688527627784,"endHours":18.878688527627784,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:53","end":"19:53","startHours":18.878688527627784,"endHours":19.878688527627784,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:53","end":"20:53","startHours":19.878688527627784,"endHours":20.878688527627784,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:53","end":"21:53","startHours":20.878688527627784,"endHours":21.878688527627784,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:53","end":"22:53","startHours":21.878688527627784,"endHours":22.878688527627784,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:53","end":"23:53","startHours":22.878688527627784,"endHours":23.878688527627784,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:53","end":"00:53","startHours":23.878688527627784,"endHours":24.878688527627784,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:53","end":"01:53","startHours":24.878688527627784,"endHours":25.878688527627784,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:53","end":"02:53","startHours":25.878688527627784,"endHours":26.878688527627784,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:53","end":"03:53","startHours":26.878688527627784,"endHours":27.878688527627784,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:53","end":"04:53","startHours":27.878688527627784,"endHours":28.878688527627784,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:53","end":"05:53","startHours":28.878688527627784,"endHours":29.878688527627784,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:53","end":"06:53","startHours":29.878688527627784,"endHours":30.878688527627784,"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","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Chatra","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":14.111000487954,"eotMinutes":-4.176707726628523,"ayanamsa":22.4368}},"calendars":{"vikram_samvat":1955,"vikram_samvatsara":"Virodhakṛt","saka_samvat":1820,"saka_samvatsara":"Vilambī","bengali_samvat":1305,"malayalam_era":1074,"nanakshahi_year":429,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","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":"Bhādrapada Kṛṣṇa Trayodaśī · Vikram 1955 Virodhakṛt · Śaka 1820 Vilambī"},"festivals":[{"id":"simha-sankranti","name":"Siṁha Saṅkrānti","name_sanskrit":"सिंह सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Leo.","vrata":false,"detection":{"sun_rashi_ingress":"Siṃha"},"precedence":5},{"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":"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":[{"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 15, 1898 CE · Perth, Australia · Vidhyamitra","description":"August 15, 1898 CE for Perth, Australia: Kṛṣṇa Trayodaśī, sūryodaya 06:53, sūryāsta 17:49.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1898-08-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1898-08-15","sa":"https://sa.vidhyamitra.com/city/perth/1898-08-15","hi":"https://hi.vidhyamitra.com/city/perth/1898-08-15","x-default":"https://vidhyamitra.com/city/perth/1898-08-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T13:07:47.049Z","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":"2026-06-02T13:07:47.049Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T13:07:47.049Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}