{"id":"vidhyamitra:city-day:perth:2002-08-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2002-08-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2002-08-21","date_display":"August 21, 2002 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":2002,"month":8,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452507.770833,"kali_year":5104,"ahargana":1864042.2708,"sun":{"sidereal_longitude":123.2971,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":282.067,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":158.7699,"elapsed_within_tithi_degrees":2.7699},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1,"moon_longitude":282.067,"elapsed_within_degrees":2.067},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":45.364},"karana":{"half_tithi_index":26,"name":"Gara"},"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":2002,"month":8,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2452507.770833,"ahargana":1864042.2708,"kali_year":5104,"ayanamsa_lahiri":23.8898,"grahas":{"sun":{"sidereal_longitude":123.94432499999999,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":282.25312499999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false,"latitude":-3.3424},"mars":{"sidereal_longitude":120.649225,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":148.674825,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":100.22522500000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"venus":{"sidereal_longitude":169.90112499999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":62.82872500000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":54.0701,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":234.0701,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","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":2002,"month":8,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452507.770833,"kali_year":5104,"ahargana":1864042.2708,"sun":{"sidereal_longitude":123.2971,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":282.067,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":158.7699,"elapsed_within_tithi_degrees":2.7699},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1,"moon_longitude":282.067,"elapsed_within_degrees":2.067},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":45.364},"karana":{"half_tithi_index":26,"name":"Gara"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.342,"elongation":158.77},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.342,"opposition_distance":21.23}},"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":"06:46","sunsetLocal":"17:52","solarNoonLocal":"12:19","dayLengthHours":11.099601586341556,"dayLengthDisplay":"11 Hours 05 Mins 59 Secs","nightLengthDisplay":"12 Hours 54 Mins 01 Secs","moonriseLocal":"16:01","moonsetLocal":"05:44","rahuKala":{"name":"Rāhu Kāla","start":"12:19","end":"13:43","startHours":12.322598221933248,"endHours":13.710048420225943,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:10","end":"09:33","startHours":8.160247627055165,"endHours":9.54769782534786,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:56","end":"12:19","startHours":10.935148023640554,"endHours":12.322598221933248,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:22","end":"09:44","startHours":9.3627044655755,"endHours":9.732691185120219,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:14","end":"07:32","startHours":7.2352808281933685,"endHours":7.531270203829143,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:57","end":"12:42","startHours":11.95261150238853,"endHours":12.692584941477966,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:18","end":"06:02","startHours":5.292850550583596,"endHours":6.032823989673034,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:51","end":"06:46","startHours":5.847830629900674,"endHours":6.772797428762471,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:55","startHours":14.172531819656843,"endHours":14.91250525874628,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:40","end":"18:04","startHours":17.672399015104027,"endHours":18.072399015104025,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:52","end":"18:20","startHours":17.872399015104026,"endHours":18.334882414534924,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:37","end":"19:22","startHours":17.622399015104026,"endHours":19.372399015104026,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:57","end":"00:42","startHours":23.952611502388528,"endHours":24.692584941477968,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:46","end":"08:10","startHours":6.772797428762471,"endHours":8.160247627055165,"quality":"auspicious"},{"name":"Amṛta","start":"08:10","end":"09:33","startHours":8.160247627055165,"endHours":9.54769782534786,"quality":"auspicious"},{"name":"Kāla","start":"09:33","end":"10:56","startHours":9.54769782534786,"endHours":10.935148023640554,"quality":"inauspicious"},{"name":"Śubha","start":"10:56","end":"12:19","startHours":10.935148023640554,"endHours":12.322598221933248,"quality":"auspicious"},{"name":"Roga","start":"12:19","end":"13:43","startHours":12.322598221933248,"endHours":13.710048420225943,"quality":"inauspicious"},{"name":"Udveg","start":"13:43","end":"15:06","startHours":13.710048420225943,"endHours":15.097498618518639,"quality":"inauspicious"},{"name":"Chala","start":"15:06","end":"16:29","startHours":15.097498618518639,"endHours":16.484948816811333,"quality":"neutral"},{"name":"Labha","start":"16:29","end":"17:52","startHours":16.484948816811333,"endHours":17.872399015104026,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:52","end":"19:29","startHours":17.872399015104026,"endHours":19.484948816811333,"quality":"inauspicious"},{"name":"Chala","start":"19:29","end":"21:06","startHours":19.484948816811333,"endHours":21.097498618518635,"quality":"neutral"},{"name":"Labha","start":"21:06","end":"22:43","startHours":21.097498618518635,"endHours":22.71004842022594,"quality":"auspicious"},{"name":"Amṛta","start":"22:43","end":"00:19","startHours":22.71004842022594,"endHours":24.322598221933248,"quality":"auspicious"},{"name":"Kāla","start":"00:19","end":"01:56","startHours":24.322598221933248,"endHours":25.935148023640554,"quality":"inauspicious"},{"name":"Śubha","start":"01:56","end":"03:33","startHours":25.935148023640554,"endHours":27.54769782534786,"quality":"auspicious"},{"name":"Roga","start":"03:33","end":"05:10","startHours":27.54769782534786,"endHours":29.160247627055163,"quality":"inauspicious"},{"name":"Udveg","start":"05:10","end":"06:46","startHours":29.160247627055163,"endHours":30.77279742876247,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:46","end":"07:46","startHours":6.772797428762471,"endHours":7.772797428762471,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:46","end":"08:46","startHours":7.772797428762471,"endHours":8.77279742876247,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:46","end":"09:46","startHours":8.77279742876247,"endHours":9.77279742876247,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:46","end":"10:46","startHours":9.77279742876247,"endHours":10.77279742876247,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:46","end":"11:46","startHours":10.77279742876247,"endHours":11.77279742876247,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:46","end":"12:46","startHours":11.77279742876247,"endHours":12.77279742876247,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:46","end":"13:46","startHours":12.77279742876247,"endHours":13.77279742876247,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:46","end":"14:46","startHours":13.77279742876247,"endHours":14.77279742876247,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:46","end":"15:46","startHours":14.77279742876247,"endHours":15.77279742876247,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:46","end":"16:46","startHours":15.77279742876247,"endHours":16.77279742876247,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:46","end":"17:46","startHours":16.77279742876247,"endHours":17.77279742876247,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:46","end":"18:46","startHours":17.77279742876247,"endHours":18.77279742876247,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:46","end":"19:46","startHours":18.77279742876247,"endHours":19.77279742876247,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:46","end":"20:46","startHours":19.77279742876247,"endHours":20.77279742876247,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:46","end":"21:46","startHours":20.77279742876247,"endHours":21.77279742876247,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:46","end":"22:46","startHours":21.77279742876247,"endHours":22.77279742876247,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:46","end":"23:46","startHours":22.77279742876247,"endHours":23.77279742876247,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:46","end":"00:46","startHours":23.77279742876247,"endHours":24.77279742876247,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:46","end":"01:46","startHours":24.77279742876247,"endHours":25.77279742876247,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:46","end":"02:46","startHours":25.77279742876247,"endHours":26.77279742876247,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:46","end":"03:46","startHours":26.77279742876247,"endHours":27.77279742876247,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:46","end":"04:46","startHours":27.77279742876247,"endHours":28.77279742876247,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:46","end":"05:46","startHours":28.77279742876247,"endHours":29.77279742876247,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:46","end":"06:46","startHours":29.77279742876247,"endHours":30.77279742876247,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"South-West","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"drikRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":12.224440050951863,"eotMinutes":-2.7978933159948465,"ayanamsa":23.8898}},"calendars":{"vikram_samvat":2059,"vikram_samvatsara":"Manmatha","saka_samvat":1924,"saka_samvatsara":"Citrabhānu","bengali_samvat":1409,"malayalam_era":1178,"nanakshahi_year":533,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Caturdaśī · Vikram 2059 Manmatha · Śaka 1924 Citrabhānu"},"festivals":[{"id":"onam","name":"Onam (Vāmana / King Bali)","name_sanskrit":"ओणम् (वामन-बलि स्मरण)","tradition":"Regional","associated_deity":"Vāmana + King Bali","significance":"Kerala festival; King Bali's annual return to Kerala. Aligned with Thiru-Onam (Śravaṇa nakshatra in Bhādrapada).","vrata":false,"detection":{"nakshatra_name":"Śravaṇa","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":"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 21, 2002 CE · Perth, Australia · Vidhyamitra","description":"August 21, 2002 CE for Perth, Australia: Śukla Caturdaśī, sūryodaya 06:46, sūryāsta 17:52.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2002-08-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2002-08-21","sa":"https://sa.vidhyamitra.com/city/perth/2002-08-21","hi":"https://hi.vidhyamitra.com/city/perth/2002-08-21","x-default":"https://vidhyamitra.com/city/perth/2002-08-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-16T14:04:52.531Z","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":"2026-05-16T14:04:52.531Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-16T14:04:52.531Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}