{"id":"vidhyamitra:city-day:perth:2025-08-25:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2025-08-25","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2025-08-25","date_display":"August 25, 2025 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":2025,"month":8,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2460912.770833,"kali_year":5127,"ahargana":1872447.2708,"sun":{"sidereal_longitude":127.1804,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":150.6025,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":23.4221,"elapsed_within_tithi_degrees":11.4221},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":150.6025,"elapsed_within_degrees":3.9359},"yoga":{"number":21,"name":"Siddha","sum_longitude":277.7829},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":2025,"month":8,"day":25,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2460912.770833,"ahargana":1872447.2708,"kali_year":5127,"ayanamsa_lahiri":24.2113,"grahas":{"sun":{"sidereal_longitude":127.90129300000001,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":148.91689299999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false,"latitude":-0.1467},"mars":{"sidereal_longitude":166.83729300000005,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":110.56339300000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":82.278593,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"venus":{"sidereal_longitude":94.67869300000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":336.339393,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":328.7327,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":148.7327,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","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":2025,"month":8,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2460912.770833,"kali_year":5127,"ahargana":1872447.2708,"sun":{"sidereal_longitude":127.1804,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":150.6025,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":23.4221,"elapsed_within_tithi_degrees":11.4221},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":150.6025,"elapsed_within_degrees":3.9359},"yoga":{"number":21,"name":"Siddha","sum_longitude":277.7829},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.147,"elongation":23.422},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.147,"opposition_distance":156.578}},"eclipse_window_40days":[{"offset_days":14,"type":"lunar","occurs":true,"moon_latitude":-0.388,"opposition_distance":2.369}]},"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":"06:41","sunsetLocal":"17:55","solarNoonLocal":"12:18","dayLengthHours":11.22981294929918,"dayLengthDisplay":"11 Hours 13 Mins 47 Secs","nightLengthDisplay":"12 Hours 46 Mins 13 Secs","moonriseLocal":"07:46","moonsetLocal":"19:38","rahuKala":{"name":"Rāhu Kāla","start":"08:06","end":"09:30","startHours":8.093243544936179,"endHours":9.496970163598576,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:54","end":"12:18","startHours":10.900696782260974,"endHours":12.304423400923373,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:42","end":"15:07","startHours":13.70815001958577,"endHours":15.111876638248166,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:19","end":"09:41","startHours":9.309806614443591,"endHours":9.684133712753564,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:09","end":"07:27","startHours":7.157425799161247,"endHours":7.456887477809225,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:56","end":"12:41","startHours":11.9300963026134,"endHours":12.678750499233345,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:12","end":"05:56","startHours":5.192208533033891,"endHours":5.940862729653836,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:45","end":"06:41","startHours":5.75369918049885,"endHours":6.6895169262737815,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:11","end":"14:55","startHours":14.176058892473236,"endHours":14.924713089093181,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:43","end":"18:07","startHours":17.719329875572964,"endHours":18.119329875572962,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:55","end":"18:23","startHours":17.919329875572963,"endHours":18.38723874846043,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:40","end":"19:25","startHours":17.669329875572963,"endHours":19.419329875572963,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:56","end":"00:41","startHours":23.9300963026134,"endHours":24.678750499233345,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:41","end":"08:06","startHours":6.6895169262737815,"endHours":8.093243544936179,"quality":"auspicious"},{"name":"Kāla","start":"08:06","end":"09:30","startHours":8.093243544936179,"endHours":9.496970163598576,"quality":"inauspicious"},{"name":"Śubha","start":"09:30","end":"10:54","startHours":9.496970163598576,"endHours":10.900696782260974,"quality":"auspicious"},{"name":"Roga","start":"10:54","end":"12:18","startHours":10.900696782260974,"endHours":12.304423400923373,"quality":"inauspicious"},{"name":"Udveg","start":"12:18","end":"13:42","startHours":12.304423400923373,"endHours":13.70815001958577,"quality":"inauspicious"},{"name":"Chala","start":"13:42","end":"15:07","startHours":13.70815001958577,"endHours":15.111876638248166,"quality":"neutral"},{"name":"Labha","start":"15:07","end":"16:31","startHours":15.111876638248166,"endHours":16.515603256910566,"quality":"auspicious"},{"name":"Amṛta","start":"16:31","end":"17:55","startHours":16.515603256910566,"endHours":17.919329875572963,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:55","end":"19:31","startHours":17.919329875572963,"endHours":19.515603256910566,"quality":"neutral"},{"name":"Labha","start":"19:31","end":"21:07","startHours":19.515603256910566,"endHours":21.11187663824817,"quality":"auspicious"},{"name":"Amṛta","start":"21:07","end":"22:42","startHours":21.11187663824817,"endHours":22.70815001958577,"quality":"auspicious"},{"name":"Kāla","start":"22:42","end":"00:18","startHours":22.70815001958577,"endHours":24.304423400923373,"quality":"inauspicious"},{"name":"Śubha","start":"00:18","end":"01:54","startHours":24.304423400923373,"endHours":25.900696782260976,"quality":"auspicious"},{"name":"Roga","start":"01:54","end":"03:30","startHours":25.900696782260976,"endHours":27.496970163598576,"quality":"inauspicious"},{"name":"Udveg","start":"03:30","end":"05:06","startHours":27.496970163598576,"endHours":29.09324354493618,"quality":"inauspicious"},{"name":"Chala","start":"05:06","end":"06:41","startHours":29.09324354493618,"endHours":30.689516926273782,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:41","end":"07:41","startHours":6.6895169262737815,"endHours":7.6895169262737815,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:41","end":"08:41","startHours":7.6895169262737815,"endHours":8.689516926273782,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:41","end":"09:41","startHours":8.689516926273782,"endHours":9.689516926273782,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:41","end":"10:41","startHours":9.689516926273782,"endHours":10.689516926273782,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:41","end":"11:41","startHours":10.689516926273782,"endHours":11.689516926273782,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:41","end":"12:41","startHours":11.689516926273782,"endHours":12.689516926273782,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:41","end":"13:41","startHours":12.689516926273782,"endHours":13.689516926273782,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:41","end":"14:41","startHours":13.689516926273782,"endHours":14.689516926273782,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:41","end":"15:41","startHours":14.689516926273782,"endHours":15.689516926273782,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:41","end":"16:41","startHours":15.689516926273782,"endHours":16.689516926273782,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:41","end":"17:41","startHours":16.689516926273782,"endHours":17.689516926273782,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:41","end":"18:41","startHours":17.689516926273782,"endHours":18.689516926273782,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:41","end":"19:41","startHours":18.689516926273782,"endHours":19.689516926273782,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:41","end":"20:41","startHours":19.689516926273782,"endHours":20.689516926273782,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:41","end":"21:41","startHours":20.689516926273782,"endHours":21.689516926273782,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:41","end":"22:41","startHours":21.689516926273782,"endHours":22.689516926273782,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:41","end":"23:41","startHours":22.689516926273782,"endHours":23.689516926273782,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:41","end":"00:41","startHours":23.689516926273782,"endHours":24.689516926273782,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:41","end":"01:41","startHours":24.689516926273782,"endHours":25.689516926273782,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:41","end":"02:41","startHours":25.689516926273782,"endHours":26.689516926273782,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:41","end":"03:41","startHours":26.689516926273782,"endHours":27.689516926273782,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:41","end":"04:41","startHours":27.689516926273782,"endHours":28.689516926273782,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:41","end":"05:41","startHours":28.689516926273782,"endHours":29.689516926273782,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:41","end":"06:41","startHours":29.689516926273782,"endHours":30.689516926273782,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"West","rahuVasa":"North-East","anandadiYoga":{"name":"Utpāta","quality":"Inauspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":10.72140040715263,"eotMinutes":-1.7074040554023546,"ayanamsa":24.2113}},"calendars":{"vikram_samvat":2082,"vikram_samvatsara":"Kālayukta","saka_samvat":1947,"saka_samvatsara":"Viśvāvasu","bengali_samvat":1432,"malayalam_era":1201,"nanakshahi_year":556,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Dvitīyā · Vikram 2082 Kālayukta · Śaka 1947 Viśvāvasu"},"festivals":[{"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":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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 25, 2025 CE · Perth, Australia · Vidhyamitra","description":"August 25, 2025 CE for Perth, Australia: Śukla Dvitīyā, sūryodaya 06:41, sūryāsta 17:55.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2025-08-25","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2025-08-25","sa":"https://sa.vidhyamitra.com/city/perth/2025-08-25","hi":"https://hi.vidhyamitra.com/city/perth/2025-08-25","x-default":"https://vidhyamitra.com/city/perth/2025-08-25"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T18:24:09.315Z","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":"2026-05-14T18:24:09.315Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T18:24:09.315Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}