{"id":"vidhyamitra:city-day:perth:2009-08-11:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2009-08-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2009-08-11","date_display":"August 11, 2009 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":2009,"month":8,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455054.770833,"kali_year":5111,"ahargana":1866589.2708,"sun":{"sidereal_longitude":113.9168,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":353.7413,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":239.8245,"elapsed_within_tithi_degrees":11.8245},"nakshatra":{"number":27,"name":"Revatī","pada":3,"moon_longitude":353.7413,"elapsed_within_degrees":7.0746},"yoga":{"number":9,"name":"Śūla","sum_longitude":107.6581},"karana":{"half_tithi_index":39,"name":"Taitila"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2009,"month":8,"day":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455054.770833,"ahargana":1866589.2708,"kali_year":5111,"ayanamsa_lahiri":23.9872,"grahas":{"sun":{"sidereal_longitude":114.53211099999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":351.035811,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false,"latitude":4.3386},"mars":{"sidereal_longitude":56.336910999999986,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":138.294511,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":298.915611,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":77.42011100000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":146.22021099999995,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":279.1178,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":99.1178,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","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":2009,"month":8,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455054.770833,"kali_year":5111,"ahargana":1866589.2708,"sun":{"sidereal_longitude":113.9168,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":353.7413,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":239.8245,"elapsed_within_tithi_degrees":11.8245},"nakshatra":{"number":27,"name":"Revatī","pada":3,"moon_longitude":353.7413,"elapsed_within_degrees":7.0746},"yoga":{"number":9,"name":"Śūla","sum_longitude":107.6581},"karana":{"half_tithi_index":39,"name":"Taitila"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.339,"elongation":120.176},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.339,"opposition_distance":59.824}},"eclipse_window_40days":[{"offset_days":-20,"type":"solar","occurs":true,"moon_latitude":0.483,"elongation":0.894},{"offset_days":-5,"type":"lunar","occurs":true,"moon_latitude":0.825,"opposition_distance":0.804}]},"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":"06:57","sunsetLocal":"17:46","solarNoonLocal":"12:21","dayLengthHours":10.829974561149324,"dayLengthDisplay":"10 Hours 49 Mins 48 Secs","nightLengthDisplay":"13 Hours 10 Mins 12 Secs","moonriseLocal":"22:20","moonsetLocal":"09:55","rahuKala":{"name":"Rāhu Kāla","start":"15:04","end":"16:25","startHours":15.06524193581846,"endHours":16.418988755962125,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:39","end":"11:00","startHours":9.650254655243797,"endHours":11.004001475387462,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:21","end":"13:43","startHours":12.357748295531128,"endHours":13.711495115674794,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:28","end":"09:50","startHours":9.469755079224642,"endHours":9.830754231262953,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:24","end":"07:41","startHours":7.394009955004355,"endHours":7.682809276635004,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:00","end":"12:43","startHours":11.996749143492819,"endHours":12.71874744756944,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:30","end":"06:13","startHours":5.4987644068032235,"endHours":6.2207627108798444,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:02","end":"06:57","startHours":6.040263134860689,"endHours":6.942761014956466,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:53","startHours":14.162744055722683,"endHours":14.884742359799304,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:34","end":"17:58","startHours":17.572735576105792,"endHours":17.97273557610579,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:46","end":"18:13","startHours":17.77273557610579,"endHours":18.22398451615368,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:31","end":"19:16","startHours":17.52273557610579,"endHours":19.27273557610579,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:00","end":"00:43","startHours":23.99674914349282,"endHours":24.71874744756944,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:57","end":"08:18","startHours":6.942761014956466,"endHours":8.296507835100131,"quality":"inauspicious"},{"name":"Udveg","start":"08:18","end":"09:39","startHours":8.296507835100131,"endHours":9.650254655243797,"quality":"inauspicious"},{"name":"Chala","start":"09:39","end":"11:00","startHours":9.650254655243797,"endHours":11.004001475387462,"quality":"neutral"},{"name":"Labha","start":"11:00","end":"12:21","startHours":11.004001475387462,"endHours":12.357748295531128,"quality":"auspicious"},{"name":"Amṛta","start":"12:21","end":"13:43","startHours":12.357748295531128,"endHours":13.711495115674794,"quality":"auspicious"},{"name":"Kāla","start":"13:43","end":"15:04","startHours":13.711495115674794,"endHours":15.06524193581846,"quality":"inauspicious"},{"name":"Śubha","start":"15:04","end":"16:25","startHours":15.06524193581846,"endHours":16.418988755962125,"quality":"auspicious"},{"name":"Roga","start":"16:25","end":"17:46","startHours":16.418988755962125,"endHours":17.77273557610579,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:46","end":"19:25","startHours":17.77273557610579,"endHours":19.418988755962125,"quality":"inauspicious"},{"name":"Śubha","start":"19:25","end":"21:04","startHours":19.418988755962125,"endHours":21.06524193581846,"quality":"auspicious"},{"name":"Roga","start":"21:04","end":"22:43","startHours":21.06524193581846,"endHours":22.711495115674794,"quality":"inauspicious"},{"name":"Udveg","start":"22:43","end":"00:21","startHours":22.711495115674794,"endHours":24.35774829553113,"quality":"inauspicious"},{"name":"Chala","start":"00:21","end":"02:00","startHours":24.35774829553113,"endHours":26.00400147538746,"quality":"neutral"},{"name":"Labha","start":"02:00","end":"03:39","startHours":26.00400147538746,"endHours":27.6502546552438,"quality":"auspicious"},{"name":"Amṛta","start":"03:39","end":"05:18","startHours":27.6502546552438,"endHours":29.296507835100133,"quality":"auspicious"},{"name":"Kāla","start":"05:18","end":"06:57","startHours":29.296507835100133,"endHours":30.942761014956467,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:57","end":"07:57","startHours":6.942761014956466,"endHours":7.942761014956466,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:57","end":"08:57","startHours":7.942761014956466,"endHours":8.942761014956467,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:57","end":"09:57","startHours":8.942761014956467,"endHours":9.942761014956467,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:57","end":"10:57","startHours":9.942761014956467,"endHours":10.942761014956467,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:57","end":"11:57","startHours":10.942761014956467,"endHours":11.942761014956467,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:57","end":"12:57","startHours":11.942761014956467,"endHours":12.942761014956467,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:57","end":"13:57","startHours":12.942761014956467,"endHours":13.942761014956467,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:57","end":"14:57","startHours":13.942761014956467,"endHours":14.942761014956467,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:57","end":"15:57","startHours":14.942761014956467,"endHours":15.942761014956467,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:57","end":"16:57","startHours":15.942761014956467,"endHours":16.942761014956467,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:57","end":"17:57","startHours":16.942761014956467,"endHours":17.942761014956467,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:57","end":"18:57","startHours":17.942761014956467,"endHours":18.942761014956467,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:57","end":"19:57","startHours":18.942761014956467,"endHours":19.942761014956467,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:57","end":"20:57","startHours":19.942761014956467,"endHours":20.942761014956467,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:57","end":"21:57","startHours":20.942761014956467,"endHours":21.942761014956467,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:57","end":"22:57","startHours":21.942761014956467,"endHours":22.942761014956467,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:57","end":"23:57","startHours":22.942761014956467,"endHours":23.942761014956467,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:57","end":"00:57","startHours":23.942761014956467,"endHours":24.942761014956467,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:57","end":"01:57","startHours":24.942761014956467,"endHours":25.942761014956467,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:57","end":"02:57","startHours":25.942761014956467,"endHours":26.942761014956467,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:57","end":"03:57","startHours":26.942761014956467,"endHours":27.942761014956467,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:57","end":"04:57","startHours":27.942761014956467,"endHours":28.942761014956467,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:57","end":"05:57","startHours":28.942761014956467,"endHours":29.942761014956467,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:57","end":"06:57","startHours":29.942761014956467,"endHours":30.942761014956467,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"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":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"North","anandadiYoga":{"name":"Dhvaja","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":15.274580165160941,"eotMinutes":-4.906897731867799,"ayanamsa":23.9872}},"calendars":{"vikram_samvat":2066,"vikram_samvatsara":"Śubhakṛt","saka_samvat":1931,"saka_samvatsara":"Virodhi","bengali_samvat":1416,"malayalam_era":1185,"nanakshahi_year":540,"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 Pañcamī · Vikram 2066 Śubhakṛt · Śaka 1931 Virodhi"},"festivals":[],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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 11, 2009 CE · Perth, Australia · Vidhyamitra","description":"August 11, 2009 CE for Perth, Australia: Kṛṣṇa Pañcamī, sūryodaya 06:57, sūryāsta 17:46.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2009-08-11","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2009-08-11","sa":"https://sa.vidhyamitra.com/city/perth/2009-08-11","hi":"https://hi.vidhyamitra.com/city/perth/2009-08-11","x-default":"https://vidhyamitra.com/city/perth/2009-08-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T19:06:00.049Z","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":"2026-06-01T19:06:00.049Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T19:06:00.049Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}