{"id":"vidhyamitra:city-day:perth:2015-08-30:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2015-08-30","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2015-08-30","date_display":"August 30, 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":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457264.770833,"kali_year":5117,"ahargana":1868799.2708,"sun":{"sidereal_longitude":131.5906,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":314.1103,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":182.5197,"elapsed_within_tithi_degrees":2.5197},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3,"moon_longitude":314.1103,"elapsed_within_degrees":7.4437},"yoga":{"number":7,"name":"Sukarma","sum_longitude":85.7009},"karana":{"half_tithi_index":30,"name":"Bālava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":30,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2457264.770833,"ahargana":1868799.2708,"kali_year":5117,"ayanamsa_lahiri":24.0718,"grahas":{"sun":{"sidereal_longitude":132.305473,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":315.9149729999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false,"latitude":2.1048},"mars":{"sidereal_longitude":109.28027300000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":158.60697300000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":129.20887300000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":111.05337300000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":214.60907300000008,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":162.0213,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":342.0213,"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":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457264.770833,"kali_year":5117,"ahargana":1868799.2708,"sun":{"sidereal_longitude":131.5906,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":314.1103,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":182.5197,"elapsed_within_tithi_degrees":2.5197},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3,"moon_longitude":314.1103,"elapsed_within_degrees":7.4437},"yoga":{"number":7,"name":"Sukarma","sum_longitude":85.7009},"karana":{"half_tithi_index":30,"name":"Bālava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.105,"elongation":177.48},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.105,"opposition_distance":2.52}},"eclipse_window_40days":[{"offset_days":14,"type":"solar","occurs":true,"moon_latitude":-1.372,"elongation":1.608}]},"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":"06:36","sunsetLocal":"17:58","solarNoonLocal":"12:17","dayLengthHours":11.362670996408994,"dayLengthDisplay":"11 Hours 21 Mins 46 Secs","nightLengthDisplay":"12 Hours 38 Mins 14 Secs","moonriseLocal":"18:09","moonsetLocal":"06:54","rahuKala":{"name":"Rāhu Kāla","start":"16:32","end":"17:58","startHours":16.539954812632903,"endHours":17.960288687184025,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:17","end":"13:42","startHours":12.278953188979528,"endHours":13.699287063530655,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:07","end":"16:32","startHours":15.119620938081777,"endHours":16.539954812632903,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:15","end":"09:38","startHours":9.248907589937131,"endHours":9.62766328981743,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:04","end":"07:22","startHours":7.071062315625407,"endHours":7.374066875529647,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:39","startHours":11.900197489099229,"endHours":12.657708888859828,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:05","end":"05:50","startHours":5.082594891253834,"endHours":5.840106291014433,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:39","end":"06:36","startHours":5.650728441074283,"endHours":6.597617690775032,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:56","startHours":14.172731688381027,"endHours":14.930243088141626,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:46","end":"18:10","startHours":17.760288687184026,"endHours":18.160288687184025,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:58","end":"18:26","startHours":17.960288687184025,"endHours":18.4337333120344,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:43","end":"19:28","startHours":17.710288687184025,"endHours":19.460288687184025,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:39","startHours":23.900197489099227,"endHours":24.65770888885983,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:36","end":"08:01","startHours":6.597617690775032,"endHours":8.017951565326157,"quality":"inauspicious"},{"name":"Chala","start":"08:01","end":"09:26","startHours":8.017951565326157,"endHours":9.43828543987728,"quality":"neutral"},{"name":"Labha","start":"09:26","end":"10:52","startHours":9.43828543987728,"endHours":10.858619314428406,"quality":"auspicious"},{"name":"Amṛta","start":"10:52","end":"12:17","startHours":10.858619314428406,"endHours":12.278953188979528,"quality":"auspicious"},{"name":"Kāla","start":"12:17","end":"13:42","startHours":12.278953188979528,"endHours":13.699287063530655,"quality":"inauspicious"},{"name":"Śubha","start":"13:42","end":"15:07","startHours":13.699287063530655,"endHours":15.119620938081777,"quality":"auspicious"},{"name":"Roga","start":"15:07","end":"16:32","startHours":15.119620938081777,"endHours":16.539954812632903,"quality":"inauspicious"},{"name":"Udveg","start":"16:32","end":"17:58","startHours":16.539954812632903,"endHours":17.960288687184025,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:58","end":"19:32","startHours":17.960288687184025,"endHours":19.5399548126329,"quality":"auspicious"},{"name":"Roga","start":"19:32","end":"21:07","startHours":19.5399548126329,"endHours":21.119620938081777,"quality":"inauspicious"},{"name":"Udveg","start":"21:07","end":"22:42","startHours":21.119620938081777,"endHours":22.699287063530655,"quality":"inauspicious"},{"name":"Chala","start":"22:42","end":"00:17","startHours":22.699287063530655,"endHours":24.27895318897953,"quality":"neutral"},{"name":"Labha","start":"00:17","end":"01:52","startHours":24.27895318897953,"endHours":25.858619314428402,"quality":"auspicious"},{"name":"Amṛta","start":"01:52","end":"03:26","startHours":25.858619314428402,"endHours":27.43828543987728,"quality":"auspicious"},{"name":"Kāla","start":"03:26","end":"05:01","startHours":27.43828543987728,"endHours":29.017951565326157,"quality":"inauspicious"},{"name":"Śubha","start":"05:01","end":"06:36","startHours":29.017951565326157,"endHours":30.59761769077503,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:36","end":"07:36","startHours":6.597617690775032,"endHours":7.597617690775032,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:36","end":"08:36","startHours":7.597617690775032,"endHours":8.597617690775031,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:36","end":"09:36","startHours":8.597617690775031,"endHours":9.597617690775031,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:36","end":"10:36","startHours":9.597617690775031,"endHours":10.597617690775031,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:36","end":"11:36","startHours":10.597617690775031,"endHours":11.597617690775031,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:36","end":"12:36","startHours":11.597617690775031,"endHours":12.597617690775031,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:36","end":"13:36","startHours":12.597617690775031,"endHours":13.597617690775031,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:36","end":"14:36","startHours":13.597617690775031,"endHours":14.597617690775031,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:36","end":"15:36","startHours":14.597617690775031,"endHours":15.597617690775031,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:36","end":"16:36","startHours":15.597617690775031,"endHours":16.59761769077503,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:36","end":"17:36","startHours":16.59761769077503,"endHours":17.59761769077503,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:36","end":"18:36","startHours":17.59761769077503,"endHours":18.59761769077503,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:36","end":"19:36","startHours":18.59761769077503,"endHours":19.59761769077503,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:36","end":"20:36","startHours":19.59761769077503,"endHours":20.59761769077503,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:36","end":"21:36","startHours":20.59761769077503,"endHours":21.59761769077503,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:36","end":"22:36","startHours":21.59761769077503,"endHours":22.59761769077503,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:36","end":"23:36","startHours":22.59761769077503,"endHours":23.59761769077503,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:36","end":"00:36","startHours":23.59761769077503,"endHours":24.59761769077503,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:36","end":"01:36","startHours":24.59761769077503,"endHours":25.59761769077503,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:36","end":"02:36","startHours":25.59761769077503,"endHours":26.59761769077503,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:36","end":"03:36","startHours":26.59761769077503,"endHours":27.59761769077503,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:36","end":"04:36","startHours":27.59761769077503,"endHours":28.59761769077503,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:36","end":"05:36","startHours":28.59761769077503,"endHours":29.59761769077503,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:36","end":"06:36","startHours":29.59761769077503,"endHours":30.59761769077503,"planetary_lord":"Jupiter"}],"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":"West (Paścim)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"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":9.170699989466973,"eotMinutes":-0.17919133877174764,"ayanamsa":24.0718}},"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 Kṛṣṇa Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Pratipada · Vikram 2072 Kīlaka · Śaka 1937 Manmatha"},"festivals":[{"id":"pitra-paksha-start","name":"Pitṛ-Pakṣa Start","name_sanskrit":"पितृ पक्ष आरम्भ","tradition":"Pan-Hindu","associated_deity":"Pitṛ-gaṇa","significance":"Begin 16-day śrāddha period for ancestors. Bhādrapada Pūrṇimā next-day.","vrata":true,"detection":{"tithi_number":16,"tithi_paksha":"Kṛṣṇa","lunar_month":"Bhādrapada"},"precedence":2},{"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":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 30, 2015 CE · Perth, Australia · Vidhyamitra","description":"August 30, 2015 CE for Perth, Australia: Kṛṣṇa Pratipada, sūryodaya 06:36, sūryāsta 17:58.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2015-08-30","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2015-08-30","sa":"https://sa.vidhyamitra.com/city/perth/2015-08-30","hi":"https://hi.vidhyamitra.com/city/perth/2015-08-30","x-default":"https://vidhyamitra.com/city/perth/2015-08-30"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T23:11:06.896Z","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":"2026-05-15T23:11:06.896Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T23:11:06.896Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}