{"id":"vidhyamitra:city-day:perth:1905-08-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1905-08-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1905-08-18","date_display":"August 18, 1905 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":1905,"month":8,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2417075.770833,"kali_year":5007,"ahargana":1828610.2708,"sun":{"sidereal_longitude":121.4767,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":337.23,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":215.7534,"elapsed_within_tithi_degrees":11.7534},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2,"moon_longitude":337.23,"elapsed_within_degrees":3.8967},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":98.7067},"karana":{"half_tithi_index":35,"name":"Viṣṭi"},"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":1905,"month":8,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2417075.770833,"ahargana":1828610.2708,"kali_year":5007,"ayanamsa_lahiri":22.5347,"grahas":{"sun":{"sidereal_longitude":121.87958800000001,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":334.69588799999997,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false,"latitude":-1.9571},"mars":{"sidereal_longitude":216.71718800000008,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":142.854988,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":43.004887999999994,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":81.79498799999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":308.75528800000006,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":131.428,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":311.428,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","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":1905,"month":8,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2417075.770833,"kali_year":5007,"ahargana":1828610.2708,"sun":{"sidereal_longitude":121.4767,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":337.23,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":215.7534,"elapsed_within_tithi_degrees":11.7534},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2,"moon_longitude":337.23,"elapsed_within_degrees":3.8967},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":98.7067},"karana":{"half_tithi_index":35,"name":"Viṣṭi"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.957,"elongation":144.247},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.957,"opposition_distance":35.753}},"eclipse_window_40days":[{"offset_days":-3,"type":"lunar","occurs":true,"moon_latitude":0.98,"opposition_distance":0.383}]},"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":"06:50","sunsetLocal":"17:50","solarNoonLocal":"12:20","dayLengthHours":10.998166865037106,"dayLengthDisplay":"10 Hours 59 Mins 53 Secs","nightLengthDisplay":"13 Hours 00 Mins 07 Secs","moonriseLocal":"20:26","moonsetLocal":"08:37","rahuKala":{"name":"Rāhu Kāla","start":"10:58","end":"12:20","startHours":10.959996770552202,"endHours":12.334767628681838,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:05","end":"16:28","startHours":15.084309344941115,"endHours":16.459080203070755,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:13","end":"09:35","startHours":8.210455054292925,"endHours":9.585225912422562,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:24","end":"09:46","startHours":9.401923131338611,"endHours":9.768528693506514,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:18","end":"07:35","startHours":7.293941148873166,"endHours":7.587225598607488,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:58","end":"12:42","startHours":11.968162066513935,"endHours":12.701373190849742,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:22","end":"06:06","startHours":5.3692619474916725,"endHours":6.102473071827479,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:55","end":"06:50","startHours":5.919170290743527,"endHours":6.835684196163286,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:54","startHours":14.167795439521356,"endHours":14.901006563857162,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:38","end":"18:02","startHours":17.633851061200392,"endHours":18.03385106120039,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:50","end":"18:18","startHours":17.83385106120039,"endHours":18.292108013910273,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:35","end":"19:20","startHours":17.58385106120039,"endHours":19.33385106120039,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:58","end":"00:42","startHours":23.968162066513933,"endHours":24.701373190849743,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:50","end":"08:13","startHours":6.835684196163286,"endHours":8.210455054292925,"quality":"neutral"},{"name":"Labha","start":"08:13","end":"09:35","startHours":8.210455054292925,"endHours":9.585225912422562,"quality":"auspicious"},{"name":"Amṛta","start":"09:35","end":"10:58","startHours":9.585225912422562,"endHours":10.959996770552202,"quality":"auspicious"},{"name":"Kāla","start":"10:58","end":"12:20","startHours":10.959996770552202,"endHours":12.334767628681838,"quality":"inauspicious"},{"name":"Śubha","start":"12:20","end":"13:43","startHours":12.334767628681838,"endHours":13.709538486811478,"quality":"auspicious"},{"name":"Roga","start":"13:43","end":"15:05","startHours":13.709538486811478,"endHours":15.084309344941115,"quality":"inauspicious"},{"name":"Udveg","start":"15:05","end":"16:28","startHours":15.084309344941115,"endHours":16.459080203070755,"quality":"inauspicious"},{"name":"Chala","start":"16:28","end":"17:50","startHours":16.459080203070755,"endHours":17.83385106120039,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:50","end":"19:28","startHours":17.83385106120039,"endHours":19.459080203070755,"quality":"inauspicious"},{"name":"Udveg","start":"19:28","end":"21:05","startHours":19.459080203070755,"endHours":21.084309344941115,"quality":"inauspicious"},{"name":"Chala","start":"21:05","end":"22:43","startHours":21.084309344941115,"endHours":22.709538486811475,"quality":"neutral"},{"name":"Labha","start":"22:43","end":"00:20","startHours":22.709538486811475,"endHours":24.33476762868184,"quality":"auspicious"},{"name":"Amṛta","start":"00:20","end":"01:58","startHours":24.33476762868184,"endHours":25.959996770552202,"quality":"auspicious"},{"name":"Kāla","start":"01:58","end":"03:35","startHours":25.959996770552202,"endHours":27.585225912422562,"quality":"inauspicious"},{"name":"Śubha","start":"03:35","end":"05:13","startHours":27.585225912422562,"endHours":29.21045505429292,"quality":"auspicious"},{"name":"Roga","start":"05:13","end":"06:50","startHours":29.21045505429292,"endHours":30.835684196163285,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:50","end":"07:50","startHours":6.835684196163286,"endHours":7.835684196163286,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:50","end":"08:50","startHours":7.835684196163286,"endHours":8.835684196163285,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:50","end":"09:50","startHours":8.835684196163285,"endHours":9.835684196163285,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:50","end":"10:50","startHours":9.835684196163285,"endHours":10.835684196163285,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:50","end":"11:50","startHours":10.835684196163285,"endHours":11.835684196163285,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:50","end":"12:50","startHours":11.835684196163285,"endHours":12.835684196163285,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:50","end":"13:50","startHours":12.835684196163285,"endHours":13.835684196163285,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:50","end":"14:50","startHours":13.835684196163285,"endHours":14.835684196163285,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:50","end":"15:50","startHours":14.835684196163285,"endHours":15.835684196163285,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:50","end":"16:50","startHours":15.835684196163285,"endHours":16.835684196163285,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:50","end":"17:50","startHours":16.835684196163285,"endHours":17.835684196163285,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:50","end":"18:50","startHours":17.835684196163285,"endHours":18.835684196163285,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:50","end":"19:50","startHours":18.835684196163285,"endHours":19.835684196163285,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:50","end":"20:50","startHours":19.835684196163285,"endHours":20.835684196163285,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:50","end":"21:50","startHours":20.835684196163285,"endHours":21.835684196163285,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:50","end":"22:50","startHours":21.835684196163285,"endHours":22.835684196163285,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:50","end":"23:50","startHours":22.835684196163285,"endHours":23.835684196163285,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:50","end":"00:50","startHours":23.835684196163285,"endHours":24.835684196163285,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:50","end":"01:50","startHours":24.835684196163285,"endHours":25.835684196163285,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:50","end":"02:50","startHours":25.835684196163285,"endHours":26.835684196163285,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:50","end":"03:50","startHours":26.835684196163285,"endHours":27.835684196163285,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:50","end":"04:50","startHours":27.835684196163285,"endHours":28.835684196163285,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:50","end":"05:50","startHours":28.835684196163285,"endHours":29.835684196163285,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:50","end":"06:50","startHours":29.835684196163285,"endHours":30.835684196163285,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"South-East","anandadiYoga":{"name":"Kāṇa","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":13.382368838716767,"eotMinutes":-3.5280577209103767,"ayanamsa":22.5347}},"calendars":{"vikram_samvat":1962,"vikram_samvatsara":"Kālayukta","saka_samvat":1827,"saka_samvatsara":"Viśvāvasu","bengali_samvat":1312,"malayalam_era":1081,"nanakshahi_year":436,"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":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Tṛtīyā · Vikram 1962 Kālayukta · Śaka 1827 Viśvāvasu"},"festivals":[],"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":[]},"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 18, 1905 CE · Perth, Australia · Vidhyamitra","description":"August 18, 1905 CE for Perth, Australia: Kṛṣṇa Tṛtīyā, sūryodaya 06:50, sūryāsta 17:50.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1905-08-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1905-08-18","sa":"https://sa.vidhyamitra.com/city/perth/1905-08-18","hi":"https://hi.vidhyamitra.com/city/perth/1905-08-18","x-default":"https://vidhyamitra.com/city/perth/1905-08-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T02:57:53.620Z","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":"2026-06-02T02:57:53.620Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T02:57:53.620Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}