{"id":"vidhyamitra:city-day:perth:2017-08-09:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2017-08-09","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2017-08-09","date_display":"August 9, 2017 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":2017,"month":8,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457974.770833,"kali_year":5119,"ahargana":1869509.2708,"sun":{"sidereal_longitude":111.9427,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":307.2961,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":195.3535,"elapsed_within_tithi_degrees":3.3535},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1,"moon_longitude":307.2961,"elapsed_within_degrees":0.6295},"yoga":{"number":5,"name":"Śobhana","sum_longitude":59.2388},"karana":{"half_tithi_index":32,"name":"Taitila"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2017,"month":8,"day":9,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2457974.770833,"ahargana":1869509.2708,"kali_year":5119,"ayanamsa_lahiri":24.0989,"grahas":{"sun":{"sidereal_longitude":112.56634600000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":307.388646,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false,"latitude":-0.227},"mars":{"sidereal_longitude":108.21504600000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":136.72654599999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":173.707046,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":75.42334600000004,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":237.14434600000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":124.4021,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":304.4021,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"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":2017,"month":8,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457974.770833,"kali_year":5119,"ahargana":1869509.2708,"sun":{"sidereal_longitude":111.9427,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":307.2961,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":195.3535,"elapsed_within_tithi_degrees":3.3535},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1,"moon_longitude":307.2961,"elapsed_within_degrees":0.6295},"yoga":{"number":5,"name":"Śobhana","sum_longitude":59.2388},"karana":{"half_tithi_index":32,"name":"Taitila"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.227,"elongation":164.647},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.227,"opposition_distance":15.353}},"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":"06:58","sunsetLocal":"17:45","solarNoonLocal":"12:22","dayLengthHours":10.779085477622907,"dayLengthDisplay":"10 Hours 46 Mins 45 Secs","nightLengthDisplay":"13 Hours 13 Mins 15 Secs","moonriseLocal":"18:51","moonsetLocal":"07:52","rahuKala":{"name":"Rāhu Kāla","start":"12:22","end":"13:43","startHours":12.362832064502204,"endHours":13.710217749205068,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:19","end":"09:40","startHours":8.320675010393614,"endHours":9.668060695096477,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:01","end":"12:22","startHours":11.01544637979934,"endHours":12.362832064502204,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:29","end":"09:51","startHours":9.488409270469429,"endHours":9.847712119723525,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:25","end":"07:43","startHours":7.422417887258371,"endHours":7.709860166661649,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:00","end":"12:43","startHours":12.003529215248106,"endHours":12.722134913756301,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:32","end":"06:15","startHours":5.536077928674363,"endHours":6.2546836271825565,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:05","end":"06:58","startHours":6.075032202555508,"endHours":6.97328932569075,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:53","startHours":14.159346310772687,"endHours":14.87795200928088,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:33","end":"17:57","startHours":17.552374803313658,"endHours":17.952374803313656,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:45","end":"18:12","startHours":17.752374803313657,"endHours":18.20150336488128,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:30","end":"19:15","startHours":17.502374803313657,"endHours":19.252374803313657,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:00","end":"00:43","startHours":24.003529215248108,"endHours":24.7221349137563,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:58","end":"08:19","startHours":6.97328932569075,"endHours":8.320675010393614,"quality":"auspicious"},{"name":"Amṛta","start":"08:19","end":"09:40","startHours":8.320675010393614,"endHours":9.668060695096477,"quality":"auspicious"},{"name":"Kāla","start":"09:40","end":"11:01","startHours":9.668060695096477,"endHours":11.01544637979934,"quality":"inauspicious"},{"name":"Śubha","start":"11:01","end":"12:22","startHours":11.01544637979934,"endHours":12.362832064502204,"quality":"auspicious"},{"name":"Roga","start":"12:22","end":"13:43","startHours":12.362832064502204,"endHours":13.710217749205068,"quality":"inauspicious"},{"name":"Udveg","start":"13:43","end":"15:03","startHours":13.710217749205068,"endHours":15.05760343390793,"quality":"inauspicious"},{"name":"Chala","start":"15:03","end":"16:24","startHours":15.05760343390793,"endHours":16.404989118610793,"quality":"neutral"},{"name":"Labha","start":"16:24","end":"17:45","startHours":16.404989118610793,"endHours":17.752374803313657,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:45","end":"19:24","startHours":17.752374803313657,"endHours":19.404989118610793,"quality":"inauspicious"},{"name":"Chala","start":"19:24","end":"21:03","startHours":19.404989118610793,"endHours":21.05760343390793,"quality":"neutral"},{"name":"Labha","start":"21:03","end":"22:43","startHours":21.05760343390793,"endHours":22.710217749205068,"quality":"auspicious"},{"name":"Amṛta","start":"22:43","end":"00:22","startHours":22.710217749205068,"endHours":24.362832064502204,"quality":"auspicious"},{"name":"Kāla","start":"00:22","end":"02:01","startHours":24.362832064502204,"endHours":26.01544637979934,"quality":"inauspicious"},{"name":"Śubha","start":"02:01","end":"03:40","startHours":26.01544637979934,"endHours":27.66806069509648,"quality":"auspicious"},{"name":"Roga","start":"03:40","end":"05:19","startHours":27.66806069509648,"endHours":29.320675010393614,"quality":"inauspicious"},{"name":"Udveg","start":"05:19","end":"06:58","startHours":29.320675010393614,"endHours":30.97328932569075,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:58","end":"07:58","startHours":6.97328932569075,"endHours":7.97328932569075,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:58","end":"08:58","startHours":7.97328932569075,"endHours":8.97328932569075,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:58","end":"09:58","startHours":8.97328932569075,"endHours":9.97328932569075,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:58","end":"10:58","startHours":9.97328932569075,"endHours":10.97328932569075,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:58","end":"11:58","startHours":10.97328932569075,"endHours":11.97328932569075,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:58","end":"12:58","startHours":11.97328932569075,"endHours":12.97328932569075,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:58","end":"13:58","startHours":12.97328932569075,"endHours":13.97328932569075,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:58","end":"14:58","startHours":13.97328932569075,"endHours":14.97328932569075,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:58","end":"15:58","startHours":14.97328932569075,"endHours":15.97328932569075,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:58","end":"16:58","startHours":15.97328932569075,"endHours":16.97328932569075,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:58","end":"17:58","startHours":16.97328932569075,"endHours":17.97328932569075,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:58","end":"18:58","startHours":17.97328932569075,"endHours":18.97328932569075,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:58","end":"19:58","startHours":18.97328932569075,"endHours":19.97328932569075,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:58","end":"20:58","startHours":19.97328932569075,"endHours":20.97328932569075,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:58","end":"21:58","startHours":20.97328932569075,"endHours":21.97328932569075,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:58","end":"22:58","startHours":21.97328932569075,"endHours":22.97328932569075,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:58","end":"23:58","startHours":22.97328932569075,"endHours":23.97328932569075,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:58","end":"00:58","startHours":23.97328932569075,"endHours":24.97328932569075,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:58","end":"01:58","startHours":24.97328932569075,"endHours":25.97328932569075,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:58","end":"02:58","startHours":25.97328932569075,"endHours":26.97328932569075,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:58","end":"03:58","startHours":26.97328932569075,"endHours":27.97328932569075,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:58","end":"04:58","startHours":27.97328932569075,"endHours":28.97328932569075,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:58","end":"05:58","startHours":28.97328932569075,"endHours":29.97328932569075,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:58","end":"06:58","startHours":29.97328932569075,"endHours":30.97328932569075,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"South","rahuVasa":"South-West","anandadiYoga":{"name":"Śrīvatsa","quality":"Auspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":15.839750649747366,"eotMinutes":-5.211923870132258,"ayanamsa":24.0989}},"calendars":{"vikram_samvat":2074,"vikram_samvatsara":"Sādhāraṇa","saka_samvat":1939,"saka_samvatsara":"Hemalambī","bengali_samvat":1424,"malayalam_era":1193,"nanakshahi_year":548,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Kṛṣṇa Pakṣa","solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Kṛṣṇa Dvitīyā · Vikram 2074 Sādhāraṇa · Śaka 1939 Hemalambī"},"festivals":[{"id":"karka-sankranti","name":"Karka Saṅkrānti (Dakṣiṇāyana)","name_sanskrit":"कर्क सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Cancer; Dakṣiṇāyana (south-going) begins. Devatā-rātri begins.","vrata":true,"detection":{"sun_rashi":"Karka"},"precedence":2}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 9, 2017 CE · Perth, Australia · Vidhyamitra","description":"August 9, 2017 CE for Perth, Australia: Kṛṣṇa Dvitīyā, sūryodaya 06:58, sūryāsta 17:45.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2017-08-09","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2017-08-09","sa":"https://sa.vidhyamitra.com/city/perth/2017-08-09","hi":"https://hi.vidhyamitra.com/city/perth/2017-08-09","x-default":"https://vidhyamitra.com/city/perth/2017-08-09"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T12:34:55.179Z","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":"2026-05-15T12:34:55.179Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T12:34:55.179Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}