{"id":"vidhyamitra:city-day:perth:2109-08-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2109-08-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2109-08-16","date_display":"August 16, 2109 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":2109,"month":8,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2491583.770833,"kali_year":5211,"ahargana":1903118.2708,"sun":{"sidereal_longitude":116.8995,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":0.024,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":243.1245,"elapsed_within_tithi_degrees":3.1245},"nakshatra":{"number":1,"name":"Aśvinī","pada":1,"moon_longitude":0.024,"elapsed_within_degrees":0.024},"yoga":{"number":9,"name":"Śūla","sum_longitude":116.9236},"karana":{"half_tithi_index":40,"name":"Gara"},"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":2109,"month":8,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2491583.770833,"ahargana":1903118.2708,"kali_year":5211,"ayanamsa_lahiri":25.3843,"grahas":{"sun":{"sidereal_longitude":117.77383500000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":358.509835,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false,"latitude":-2.6679},"mars":{"sidereal_longitude":94.06883500000004,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":137.03353500000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":103.34913500000005,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"venus":{"sidereal_longitude":157.42353500000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":279.742535,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":143.6356,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":323.6356,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","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":2109,"month":8,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2491583.770833,"kali_year":5211,"ahargana":1903118.2708,"sun":{"sidereal_longitude":116.8995,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":0.024,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":243.1245,"elapsed_within_tithi_degrees":3.1245},"nakshatra":{"number":1,"name":"Aśvinī","pada":1,"moon_longitude":0.024,"elapsed_within_degrees":0.024},"yoga":{"number":9,"name":"Śūla","sum_longitude":116.9236},"karana":{"half_tithi_index":40,"name":"Gara"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.668,"elongation":116.875},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.668,"opposition_distance":63.125}},"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":"06:52","sunsetLocal":"17:49","solarNoonLocal":"12:21","dayLengthHours":10.961576659216561,"dayLengthDisplay":"10 Hours 57 Mins 42 Secs","nightLengthDisplay":"13 Hours 02 Mins 18 Secs","moonriseLocal":"22:44","moonsetLocal":"10:03","rahuKala":{"name":"Rāhu Kāla","start":"10:58","end":"12:21","startHours":10.971933844216803,"endHours":12.342130926618871,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:05","end":"16:27","startHours":15.082525091423012,"endHours":16.452722173825084,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:14","end":"09:36","startHours":8.231539679412663,"endHours":9.601736761814731,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:25","end":"09:47","startHours":9.419043817494456,"endHours":9.784429706135008,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:19","end":"07:37","startHours":7.318074957811282,"endHours":7.610383668723724,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:59","end":"12:42","startHours":11.97674503797832,"endHours":12.707516815259423,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:24","end":"06:08","startHours":5.399799042448383,"endHours":6.1305708197294875,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:57","end":"06:52","startHours":5.947877875409212,"endHours":6.861342597010592,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:54","startHours":14.169060369821633,"endHours":14.899832147102737,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:37","end":"18:01","startHours":17.622919256227153,"endHours":18.02291925622715,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:49","end":"18:17","startHours":17.822919256227152,"endHours":18.27965161702784,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:34","end":"19:19","startHours":17.572919256227152,"endHours":19.322919256227152,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:59","end":"00:42","startHours":23.97674503797832,"endHours":24.707516815259424,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:52","end":"08:14","startHours":6.861342597010592,"endHours":8.231539679412663,"quality":"neutral"},{"name":"Labha","start":"08:14","end":"09:36","startHours":8.231539679412663,"endHours":9.601736761814731,"quality":"auspicious"},{"name":"Amṛta","start":"09:36","end":"10:58","startHours":9.601736761814731,"endHours":10.971933844216803,"quality":"auspicious"},{"name":"Kāla","start":"10:58","end":"12:21","startHours":10.971933844216803,"endHours":12.342130926618871,"quality":"inauspicious"},{"name":"Śubha","start":"12:21","end":"13:43","startHours":12.342130926618871,"endHours":13.712328009020943,"quality":"auspicious"},{"name":"Roga","start":"13:43","end":"15:05","startHours":13.712328009020943,"endHours":15.082525091423012,"quality":"inauspicious"},{"name":"Udveg","start":"15:05","end":"16:27","startHours":15.082525091423012,"endHours":16.452722173825084,"quality":"inauspicious"},{"name":"Chala","start":"16:27","end":"17:49","startHours":16.452722173825084,"endHours":17.822919256227152,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:49","end":"19:27","startHours":17.822919256227152,"endHours":19.45272217382508,"quality":"inauspicious"},{"name":"Udveg","start":"19:27","end":"21:05","startHours":19.45272217382508,"endHours":21.082525091423012,"quality":"inauspicious"},{"name":"Chala","start":"21:05","end":"22:43","startHours":21.082525091423012,"endHours":22.712328009020943,"quality":"neutral"},{"name":"Labha","start":"22:43","end":"00:21","startHours":22.712328009020943,"endHours":24.34213092661887,"quality":"auspicious"},{"name":"Amṛta","start":"00:21","end":"01:58","startHours":24.34213092661887,"endHours":25.9719338442168,"quality":"auspicious"},{"name":"Kāla","start":"01:58","end":"03:36","startHours":25.9719338442168,"endHours":27.60173676181473,"quality":"inauspicious"},{"name":"Śubha","start":"03:36","end":"05:14","startHours":27.60173676181473,"endHours":29.231539679412663,"quality":"auspicious"},{"name":"Roga","start":"05:14","end":"06:52","startHours":29.231539679412663,"endHours":30.86134259701059,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:52","end":"07:52","startHours":6.861342597010592,"endHours":7.861342597010592,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:52","end":"08:52","startHours":7.861342597010592,"endHours":8.86134259701059,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:52","end":"09:52","startHours":8.86134259701059,"endHours":9.86134259701059,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:52","end":"10:52","startHours":9.86134259701059,"endHours":10.86134259701059,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:52","end":"11:52","startHours":10.86134259701059,"endHours":11.86134259701059,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:52","end":"12:52","startHours":11.86134259701059,"endHours":12.86134259701059,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:52","end":"13:52","startHours":12.86134259701059,"endHours":13.86134259701059,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:52","end":"14:52","startHours":13.86134259701059,"endHours":14.86134259701059,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:52","end":"15:52","startHours":14.86134259701059,"endHours":15.86134259701059,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:52","end":"16:52","startHours":15.86134259701059,"endHours":16.86134259701059,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:52","end":"17:52","startHours":16.86134259701059,"endHours":17.86134259701059,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:52","end":"18:52","startHours":17.86134259701059,"endHours":18.86134259701059,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:52","end":"19:52","startHours":18.86134259701059,"endHours":19.86134259701059,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:52","end":"20:52","startHours":19.86134259701059,"endHours":20.86134259701059,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:52","end":"21:52","startHours":20.86134259701059,"endHours":21.86134259701059,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:52","end":"22:52","startHours":21.86134259701059,"endHours":22.86134259701059,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:52","end":"23:52","startHours":22.86134259701059,"endHours":23.86134259701059,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:52","end":"00:52","startHours":23.86134259701059,"endHours":24.86134259701059,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:52","end":"01:52","startHours":24.86134259701059,"endHours":25.86134259701059,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:52","end":"02:52","startHours":25.86134259701059,"endHours":26.86134259701059,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:52","end":"03:52","startHours":26.86134259701059,"endHours":27.86134259701059,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:52","end":"04:52","startHours":27.86134259701059,"endHours":28.86134259701059,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:52","end":"05:52","startHours":28.86134259701059,"endHours":29.86134259701059,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:52","end":"06:52","startHours":29.86134259701059,"endHours":30.86134259701059,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","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":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"South-East","anandadiYoga":{"name":"Amṛta","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":13.797068618932567,"eotMinutes":-3.969855597132357,"ayanamsa":25.3843}},"calendars":{"vikram_samvat":2166,"vikram_samvatsara":"Citrabhānu","saka_samvat":2031,"saka_samvatsara":"Śukla","bengali_samvat":1516,"malayalam_era":1285,"nanakshahi_year":640,"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 Ṣaṣṭhī · Vikram 2166 Citrabhānu · Śaka 2031 Śukla"},"festivals":[{"id":"balarama-jayanti","name":"Balarāma Jayantī (Hala-Ṣaṣṭhī)","name_sanskrit":"बलराम जयन्ती","tradition":"Vaishnava","associated_deity":"Balarāma (Krishna's elder brother; ādi-śeṣa)","significance":"Birth of Bala-deva, Krishna's elder brother and Saṅkarṣaṇa.","vrata":true,"detection":{"tithi_number":21,"tithi_paksha":"Kṛṣṇa","lunar_month":"Bhādrapada"},"precedence":3,"sources":["Bhāgavata 10.2-3"]}],"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":[{"historical_date":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","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 16, 2109 CE · Perth, Australia · Vidhyamitra","description":"August 16, 2109 CE for Perth, Australia: Kṛṣṇa Ṣaṣṭhī, sūryodaya 06:52, sūryāsta 17:49.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2109-08-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2109-08-16","sa":"https://sa.vidhyamitra.com/city/perth/2109-08-16","hi":"https://hi.vidhyamitra.com/city/perth/2109-08-16","x-default":"https://vidhyamitra.com/city/perth/2109-08-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T00:29:23.382Z","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":"2026-06-01T00:29:23.382Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T00:29:23.382Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}