{"id":"vidhyamitra:city-day:perth:2015-08-22:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2015-08-22","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2015-08-22","date_display":"August 22, 2015 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":2015,"month":8,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457256.770833,"kali_year":5117,"ahargana":1868791.2708,"sun":{"sidereal_longitude":123.9067,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":209.0824,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":85.1757,"elapsed_within_tithi_degrees":1.1757},"nakshatra":{"number":16,"name":"Viśākhā","pada":3,"moon_longitude":209.0824,"elapsed_within_degrees":9.0824},"yoga":{"number":25,"name":"Brahma","sum_longitude":332.9892},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"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":2015,"month":8,"day":22,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2457256.770833,"ahargana":1868791.2708,"kali_year":5117,"ayanamsa_lahiri":24.0715,"grahas":{"sun":{"sidereal_longitude":124.58837900000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":205.72087899999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false,"latitude":3.27},"mars":{"sidereal_longitude":104.16337899999996,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":148.24667899999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":127.46727900000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":114.526479,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":true},"saturn":{"sidereal_longitude":214.30687899999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":162.4452,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":342.4452,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","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":2015,"month":8,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457256.770833,"kali_year":5117,"ahargana":1868791.2708,"sun":{"sidereal_longitude":123.9067,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":209.0824,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":85.1757,"elapsed_within_tithi_degrees":1.1757},"nakshatra":{"number":16,"name":"Viśākhā","pada":3,"moon_longitude":209.0824,"elapsed_within_degrees":9.0824},"yoga":{"number":25,"name":"Brahma","sum_longitude":332.9892},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.27,"elongation":85.176},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.27,"opposition_distance":94.824}},"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":"06:45","sunsetLocal":"17:53","solarNoonLocal":"12:19","dayLengthHours":11.124463575084535,"dayLengthDisplay":"11 Hours 07 Mins 28 Secs","nightLengthDisplay":"12 Hours 52 Mins 32 Secs","moonriseLocal":"10:55","moonsetLocal":"00:32","rahuKala":{"name":"Rāhu Kāla","start":"09:32","end":"10:56","startHours":9.537139710626336,"endHours":10.927697657511903,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:43","end":"15:06","startHours":13.708813551283036,"endHours":15.099371498168605,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:45","end":"08:09","startHours":6.756023816855203,"endHours":8.14658176374077,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:21","end":"09:43","startHours":9.351731984374927,"endHours":9.722547436877745,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:13","end":"07:31","startHours":7.219543132483725,"endHours":7.516195494485979,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:57","end":"12:41","startHours":11.947440151894654,"endHours":12.68907105690029,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:16","end":"06:01","startHours":5.272762006843932,"endHours":6.014392911849567,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:50","end":"06:45","startHours":5.8289851855981585,"endHours":6.756023816855203,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:55","startHours":14.17233286691156,"endHours":14.913963771917196,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:41","end":"18:05","startHours":17.68048739193974,"endHours":18.080487391939737,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:53","end":"18:21","startHours":17.880487391939738,"endHours":18.344006707568262,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:38","end":"19:23","startHours":17.630487391939738,"endHours":19.380487391939738,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:57","end":"00:41","startHours":23.947440151894654,"endHours":24.68907105690029,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:45","end":"08:09","startHours":6.756023816855203,"endHours":8.14658176374077,"quality":"inauspicious"},{"name":"Śubha","start":"08:09","end":"09:32","startHours":8.14658176374077,"endHours":9.537139710626336,"quality":"auspicious"},{"name":"Roga","start":"09:32","end":"10:56","startHours":9.537139710626336,"endHours":10.927697657511903,"quality":"inauspicious"},{"name":"Udveg","start":"10:56","end":"12:19","startHours":10.927697657511903,"endHours":12.318255604397471,"quality":"inauspicious"},{"name":"Chala","start":"12:19","end":"13:43","startHours":12.318255604397471,"endHours":13.708813551283036,"quality":"neutral"},{"name":"Labha","start":"13:43","end":"15:06","startHours":13.708813551283036,"endHours":15.099371498168605,"quality":"auspicious"},{"name":"Amṛta","start":"15:06","end":"16:29","startHours":15.099371498168605,"endHours":16.489929445054173,"quality":"auspicious"},{"name":"Kāla","start":"16:29","end":"17:53","startHours":16.489929445054173,"endHours":17.880487391939738,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:53","end":"19:29","startHours":17.880487391939738,"endHours":19.48992944505417,"quality":"auspicious"},{"name":"Amṛta","start":"19:29","end":"21:06","startHours":19.48992944505417,"endHours":21.099371498168605,"quality":"auspicious"},{"name":"Kāla","start":"21:06","end":"22:43","startHours":21.099371498168605,"endHours":22.708813551283036,"quality":"inauspicious"},{"name":"Śubha","start":"22:43","end":"00:19","startHours":22.708813551283036,"endHours":24.31825560439747,"quality":"auspicious"},{"name":"Roga","start":"00:19","end":"01:56","startHours":24.31825560439747,"endHours":25.927697657511903,"quality":"inauspicious"},{"name":"Udveg","start":"01:56","end":"03:32","startHours":25.927697657511903,"endHours":27.537139710626334,"quality":"inauspicious"},{"name":"Chala","start":"03:32","end":"05:09","startHours":27.537139710626334,"endHours":29.14658176374077,"quality":"neutral"},{"name":"Labha","start":"05:09","end":"06:45","startHours":29.14658176374077,"endHours":30.756023816855205,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:45","end":"07:45","startHours":6.756023816855203,"endHours":7.756023816855203,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:45","end":"08:45","startHours":7.756023816855203,"endHours":8.756023816855203,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:45","end":"09:45","startHours":8.756023816855203,"endHours":9.756023816855203,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:45","end":"10:45","startHours":9.756023816855203,"endHours":10.756023816855203,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:45","end":"11:45","startHours":10.756023816855203,"endHours":11.756023816855203,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:45","end":"12:45","startHours":11.756023816855203,"endHours":12.756023816855203,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:45","end":"13:45","startHours":12.756023816855203,"endHours":13.756023816855203,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:45","end":"14:45","startHours":13.756023816855203,"endHours":14.756023816855203,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:45","end":"15:45","startHours":14.756023816855203,"endHours":15.756023816855203,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:45","end":"16:45","startHours":15.756023816855203,"endHours":16.756023816855205,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:45","end":"17:45","startHours":16.756023816855205,"endHours":17.756023816855205,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:45","end":"18:45","startHours":17.756023816855205,"endHours":18.756023816855205,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:45","end":"19:45","startHours":18.756023816855205,"endHours":19.756023816855205,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:45","end":"20:45","startHours":19.756023816855205,"endHours":20.756023816855205,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:45","end":"21:45","startHours":20.756023816855205,"endHours":21.756023816855205,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:45","end":"22:45","startHours":21.756023816855205,"endHours":22.756023816855205,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:45","end":"23:45","startHours":22.756023816855205,"endHours":23.756023816855205,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:45","end":"00:45","startHours":23.756023816855205,"endHours":24.756023816855205,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:45","end":"01:45","startHours":24.756023816855205,"endHours":25.756023816855205,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:45","end":"02:45","startHours":25.756023816855205,"endHours":26.756023816855205,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:45","end":"03:45","startHours":26.756023816855205,"endHours":27.756023816855205,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:45","end":"04:45","startHours":27.756023816855205,"endHours":28.756023816855205,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:45","end":"05:45","startHours":28.756023816855205,"endHours":29.756023816855205,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:45","end":"06:45","startHours":29.756023816855205,"endHours":30.756023816855205,"planetary_lord":"Mercury"}],"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":"East (Pūrva)","chandraVasa":"North","rahuVasa":"East","anandadiYoga":{"name":"Maitra","quality":"Auspicious"},"drikRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":11.938844913242313,"eotMinutes":-2.537336263848294,"ayanamsa":24.0715}},"calendars":{"vikram_samvat":2072,"vikram_samvatsara":"Kīlaka","saka_samvat":1937,"saka_samvatsara":"Manmatha","bengali_samvat":1422,"malayalam_era":1191,"nanakshahi_year":546,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Aṣṭamī · Vikram 2072 Kīlaka · Śaka 1937 Manmatha"},"festivals":[{"id":"radhashtami","name":"Rādhāṣṭamī","name_sanskrit":"राधाष्टमी","tradition":"Vaishnava","associated_deity":"Śrī Rādhā (Krishna's hlādinī-śakti)","significance":"Manifestation of Śrī Rādhā at Barsānā — Krishna's ādi-śakti.","vrata":true,"detection":{"tithi_number":8,"tithi_paksha":"Śukla","lunar_month":"Bhādrapada"},"precedence":2,"sources":["Padma Purāṇa","Brahma-Vaivarta Purāṇa"]},{"id":"simha-sankranti","name":"Siṁha Saṅkrānti","name_sanskrit":"सिंह सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Leo.","vrata":false,"detection":{"sun_rashi":"Siṃha"},"precedence":5}],"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":[{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","url":"/day/-3137-12-25","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 August 22, 2015 CE · Perth, Australia · Vidhyamitra","description":"August 22, 2015 CE for Perth, Australia: Śukla Aṣṭamī, sūryodaya 06:45, sūryāsta 17:53.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2015-08-22","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2015-08-22","sa":"https://sa.vidhyamitra.com/city/perth/2015-08-22","hi":"https://hi.vidhyamitra.com/city/perth/2015-08-22","x-default":"https://vidhyamitra.com/city/perth/2015-08-22"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T17:25:00.884Z","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":"2026-05-15T17:25:00.884Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T17:25:00.884Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}