{"id":"vidhyamitra:city-day:perth:1899-08-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1899-08-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1899-08-12","date_display":"August 12, 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":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2414878.770833,"kali_year":5001,"ahargana":1826413.2708,"sun":{"sidereal_longitude":116.268,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":181.4906,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":65.2226,"elapsed_within_tithi_degrees":5.2226},"nakshatra":{"number":14,"name":"Citrā","pada":3,"moon_longitude":181.4906,"elapsed_within_degrees":8.1573},"yoga":{"number":23,"name":"Śubha","sum_longitude":297.7586},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2414878.770833,"ahargana":1826413.2708,"kali_year":5001,"ayanamsa_lahiri":22.4507,"grahas":{"sun":{"sidereal_longitude":116.63022999999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":177.92692999999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false,"latitude":-4.1212},"mars":{"sidereal_longitude":162.73992999999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":130.87013000000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":192.03832999999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":108.44382999999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":235.89513,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":247.8356,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":67.8356,"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":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2414878.770833,"kali_year":5001,"ahargana":1826413.2708,"sun":{"sidereal_longitude":116.268,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":181.4906,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":65.2226,"elapsed_within_tithi_degrees":5.2226},"nakshatra":{"number":14,"name":"Citrā","pada":3,"moon_longitude":181.4906,"elapsed_within_degrees":8.1573},"yoga":{"number":23,"name":"Śubha","sum_longitude":297.7586},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.121,"elongation":65.223},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.121,"opposition_distance":114.777}},"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":"06:56","sunsetLocal":"17:47","solarNoonLocal":"12:21","dayLengthHours":10.845591990765566,"dayLengthDisplay":"10 Hours 50 Mins 44 Secs","nightLengthDisplay":"13 Hours 09 Mins 16 Secs","moonriseLocal":"10:04","moonsetLocal":"22:49","rahuKala":{"name":"Rāhu Kāla","start":"09:39","end":"11:00","startHours":9.643555349572662,"endHours":10.999254348418358,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:43","end":"15:04","startHours":13.71065234610975,"endHours":15.066351344955443,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:56","end":"08:17","startHours":6.93215735188127,"endHours":8.287856350726965,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:28","end":"09:49","startHours":9.462795483059903,"endHours":9.82431521608542,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:23","end":"07:40","startHours":7.384057018163169,"endHours":7.6732728045835845,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:00","end":"12:43","startHours":11.993433614238533,"endHours":12.716473080289571,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:29","end":"06:13","startHours":5.4860784197791945,"endHours":6.209117885830232,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:02","end":"06:56","startHours":6.028358019317473,"endHours":6.93215735188127,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:53","startHours":14.162552012391647,"endHours":14.885591478442684,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:35","end":"17:59","startHours":17.577749342646836,"endHours":17.977749342646835,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:47","end":"18:14","startHours":17.777749342646835,"endHours":18.229649008928735,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:32","end":"19:17","startHours":17.527749342646835,"endHours":19.277749342646835,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:00","end":"00:43","startHours":23.993433614238533,"endHours":24.716473080289568,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:56","end":"08:17","startHours":6.93215735188127,"endHours":8.287856350726965,"quality":"inauspicious"},{"name":"Śubha","start":"08:17","end":"09:39","startHours":8.287856350726965,"endHours":9.643555349572662,"quality":"auspicious"},{"name":"Roga","start":"09:39","end":"11:00","startHours":9.643555349572662,"endHours":10.999254348418358,"quality":"inauspicious"},{"name":"Udveg","start":"11:00","end":"12:21","startHours":10.999254348418358,"endHours":12.354953347264054,"quality":"inauspicious"},{"name":"Chala","start":"12:21","end":"13:43","startHours":12.354953347264054,"endHours":13.71065234610975,"quality":"neutral"},{"name":"Labha","start":"13:43","end":"15:04","startHours":13.71065234610975,"endHours":15.066351344955443,"quality":"auspicious"},{"name":"Amṛta","start":"15:04","end":"16:25","startHours":15.066351344955443,"endHours":16.42205034380114,"quality":"auspicious"},{"name":"Kāla","start":"16:25","end":"17:47","startHours":16.42205034380114,"endHours":17.777749342646835,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:47","end":"19:25","startHours":17.777749342646835,"endHours":19.42205034380114,"quality":"auspicious"},{"name":"Amṛta","start":"19:25","end":"21:04","startHours":19.42205034380114,"endHours":21.066351344955443,"quality":"auspicious"},{"name":"Kāla","start":"21:04","end":"22:43","startHours":21.066351344955443,"endHours":22.710652346109747,"quality":"inauspicious"},{"name":"Śubha","start":"22:43","end":"00:21","startHours":22.710652346109747,"endHours":24.35495334726405,"quality":"auspicious"},{"name":"Roga","start":"00:21","end":"02:00","startHours":24.35495334726405,"endHours":25.999254348418354,"quality":"inauspicious"},{"name":"Udveg","start":"02:00","end":"03:39","startHours":25.999254348418354,"endHours":27.64355534957266,"quality":"inauspicious"},{"name":"Chala","start":"03:39","end":"05:17","startHours":27.64355534957266,"endHours":29.287856350726965,"quality":"neutral"},{"name":"Labha","start":"05:17","end":"06:56","startHours":29.287856350726965,"endHours":30.93215735188127,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:56","end":"07:56","startHours":6.93215735188127,"endHours":7.93215735188127,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:56","end":"08:56","startHours":7.93215735188127,"endHours":8.93215735188127,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:56","end":"09:56","startHours":8.93215735188127,"endHours":9.93215735188127,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:56","end":"10:56","startHours":9.93215735188127,"endHours":10.93215735188127,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:56","end":"11:56","startHours":10.93215735188127,"endHours":11.93215735188127,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:56","end":"12:56","startHours":11.93215735188127,"endHours":12.93215735188127,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:56","end":"13:56","startHours":12.93215735188127,"endHours":13.93215735188127,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:56","end":"14:56","startHours":13.93215735188127,"endHours":14.93215735188127,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:56","end":"15:56","startHours":14.93215735188127,"endHours":15.93215735188127,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:56","end":"16:56","startHours":15.93215735188127,"endHours":16.93215735188127,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:56","end":"17:56","startHours":16.93215735188127,"endHours":17.93215735188127,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:56","end":"18:56","startHours":17.93215735188127,"endHours":18.93215735188127,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:56","end":"19:56","startHours":18.93215735188127,"endHours":19.93215735188127,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:56","end":"20:56","startHours":19.93215735188127,"endHours":20.93215735188127,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:56","end":"21:56","startHours":20.93215735188127,"endHours":21.93215735188127,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:56","end":"22:56","startHours":21.93215735188127,"endHours":22.93215735188127,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:56","end":"23:56","startHours":22.93215735188127,"endHours":23.93215735188127,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:56","end":"00:56","startHours":23.93215735188127,"endHours":24.93215735188127,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:56","end":"01:56","startHours":24.93215735188127,"endHours":25.93215735188127,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:56","end":"02:56","startHours":25.93215735188127,"endHours":26.93215735188127,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:56","end":"03:56","startHours":26.93215735188127,"endHours":27.93215735188127,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:56","end":"04:56","startHours":27.93215735188127,"endHours":28.93215735188127,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:56","end":"05:56","startHours":28.93215735188127,"endHours":29.93215735188127,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:56","end":"06:56","startHours":29.93215735188127,"endHours":30.93215735188127,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-West","rahuVasa":"East","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":15.100427955030197,"eotMinutes":-4.739200835843176,"ayanamsa":22.4507}},"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 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 Ṣaṣṭhī · Vikram 1956 Paridhāvi · Śaka 1821 Vikāri"},"festivals":[{"id":"kalki-jayanti","name":"Kalki Jayantī","name_sanskrit":"कल्कि जयन्ती","tradition":"Vaishnava","associated_deity":"Kalki (10th daśāvatāra of Krishna)","deity_avatara_index":22,"significance":"Future Kalki avatāra — to manifest at end of Kali Yuga; observed Śrāvaṇa Śukla 6.","vrata":false,"detection":{"tithi_number":6,"tithi_paksha":"Śukla","lunar_month":"Śrāvaṇa"},"precedence":4,"sources":["Bhāgavata 12.2.18-20","Kalki Purāṇa"]}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 12, 1899 CE · Perth, Australia · Vidhyamitra","description":"August 12, 1899 CE for Perth, Australia: Śukla Ṣaṣṭhī, sūryodaya 06:56, sūryāsta 17:47.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1899-08-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1899-08-12","sa":"https://sa.vidhyamitra.com/city/perth/1899-08-12","hi":"https://hi.vidhyamitra.com/city/perth/1899-08-12","x-default":"https://vidhyamitra.com/city/perth/1899-08-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T22:09:56.035Z","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":"2026-06-01T22:09:56.035Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T22:09:56.035Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}