{"id":"vidhyamitra:city-day:perth:2000-08-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2000-08-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2000-08-20","date_display":"August 20, 2000 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":2000,"month":8,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451776.770833,"kali_year":5102,"ahargana":1863311.2708,"sun":{"sidereal_longitude":122.8348,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":1.2221,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":238.3873,"elapsed_within_tithi_degrees":10.3873},"nakshatra":{"number":1,"name":"Aśvinī","pada":1,"moon_longitude":1.2221,"elapsed_within_degrees":1.2221},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":124.0569},"karana":{"half_tithi_index":39,"name":"Taitila"},"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":2000,"month":8,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2451776.770833,"ahargana":1863311.2708,"kali_year":5102,"ayanamsa_lahiri":23.8619,"grahas":{"sun":{"sidereal_longitude":123.474355,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":359.311355,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false,"latitude":-4.4983},"mars":{"sidereal_longitude":108.312255,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":121.401655,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":44.75955499999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":142.51685499999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":36.57415500000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":92.802,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":272.802,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":2000,"month":8,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451776.770833,"kali_year":5102,"ahargana":1863311.2708,"sun":{"sidereal_longitude":122.8348,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":1.2221,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":238.3873,"elapsed_within_tithi_degrees":10.3873},"nakshatra":{"number":1,"name":"Aśvinī","pada":1,"moon_longitude":1.2221,"elapsed_within_degrees":1.2221},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":124.0569},"karana":{"half_tithi_index":39,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.498,"elongation":121.613},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.498,"opposition_distance":58.387}},"eclipse_window_40days":[{"offset_days":-20,"type":"solar","occurs":true,"moon_latitude":0.753,"elongation":0.251}]},"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":"06:47","sunsetLocal":"17:52","solarNoonLocal":"12:20","dayLengthHours":11.084678225960227,"dayLengthDisplay":"11 Hours 05 Mins 05 Secs","nightLengthDisplay":"12 Hours 54 Mins 55 Secs","moonriseLocal":"22:23","moonsetLocal":"09:43","rahuKala":{"name":"Rāhu Kāla","start":"16:29","end":"17:52","startHours":16.483554516577254,"endHours":17.869139294822283,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:20","end":"13:43","startHours":12.32680018184217,"endHours":13.712384960087197,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:06","end":"16:29","startHours":15.097969738332226,"endHours":16.483554516577254,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:22","end":"09:44","startHours":9.370885988252775,"endHours":9.74037526245145,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:15","end":"07:33","startHours":7.246322661610399,"endHours":7.541914080969338,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:57","end":"12:42","startHours":11.957310907643496,"endHours":12.696289456040844,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:18","end":"06:03","startHours":5.306503972067359,"endHours":6.045482520464708,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:52","end":"06:47","startHours":5.8607378833653705,"endHours":6.784461068862056,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:55","startHours":14.174246552835541,"endHours":14.91322510123289,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:40","end":"18:04","startHours":17.669139294822283,"endHours":18.069139294822282,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:52","end":"18:20","startHours":17.869139294822283,"endHours":18.331000887570625,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:37","end":"19:22","startHours":17.619139294822283,"endHours":19.369139294822283,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:57","end":"00:42","startHours":23.957310907643496,"endHours":24.696289456040844,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:47","end":"08:10","startHours":6.784461068862056,"endHours":8.170045847107085,"quality":"inauspicious"},{"name":"Chala","start":"08:10","end":"09:33","startHours":8.170045847107085,"endHours":9.555630625352112,"quality":"neutral"},{"name":"Labha","start":"09:33","end":"10:56","startHours":9.555630625352112,"endHours":10.941215403597141,"quality":"auspicious"},{"name":"Amṛta","start":"10:56","end":"12:20","startHours":10.941215403597141,"endHours":12.32680018184217,"quality":"auspicious"},{"name":"Kāla","start":"12:20","end":"13:43","startHours":12.32680018184217,"endHours":13.712384960087197,"quality":"inauspicious"},{"name":"Śubha","start":"13:43","end":"15:06","startHours":13.712384960087197,"endHours":15.097969738332226,"quality":"auspicious"},{"name":"Roga","start":"15:06","end":"16:29","startHours":15.097969738332226,"endHours":16.483554516577254,"quality":"inauspicious"},{"name":"Udveg","start":"16:29","end":"17:52","startHours":16.483554516577254,"endHours":17.869139294822283,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:52","end":"19:29","startHours":17.869139294822283,"endHours":19.483554516577254,"quality":"auspicious"},{"name":"Roga","start":"19:29","end":"21:06","startHours":19.483554516577254,"endHours":21.097969738332225,"quality":"inauspicious"},{"name":"Udveg","start":"21:06","end":"22:43","startHours":21.097969738332225,"endHours":22.7123849600872,"quality":"inauspicious"},{"name":"Chala","start":"22:43","end":"00:20","startHours":22.7123849600872,"endHours":24.32680018184217,"quality":"neutral"},{"name":"Labha","start":"00:20","end":"01:56","startHours":24.32680018184217,"endHours":25.94121540359714,"quality":"auspicious"},{"name":"Amṛta","start":"01:56","end":"03:33","startHours":25.94121540359714,"endHours":27.555630625352112,"quality":"auspicious"},{"name":"Kāla","start":"03:33","end":"05:10","startHours":27.555630625352112,"endHours":29.170045847107083,"quality":"inauspicious"},{"name":"Śubha","start":"05:10","end":"06:47","startHours":29.170045847107083,"endHours":30.784461068862058,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:47","end":"07:47","startHours":6.784461068862056,"endHours":7.784461068862056,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:47","end":"08:47","startHours":7.784461068862056,"endHours":8.784461068862056,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:47","end":"09:47","startHours":8.784461068862056,"endHours":9.784461068862056,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:47","end":"10:47","startHours":9.784461068862056,"endHours":10.784461068862056,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:47","end":"11:47","startHours":10.784461068862056,"endHours":11.784461068862056,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:47","end":"12:47","startHours":11.784461068862056,"endHours":12.784461068862056,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:47","end":"13:47","startHours":12.784461068862056,"endHours":13.784461068862056,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:47","end":"14:47","startHours":13.784461068862056,"endHours":14.784461068862056,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:47","end":"15:47","startHours":14.784461068862056,"endHours":15.784461068862056,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:47","end":"16:47","startHours":15.784461068862056,"endHours":16.784461068862058,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:47","end":"17:47","startHours":16.784461068862058,"endHours":17.784461068862058,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:47","end":"18:47","startHours":17.784461068862058,"endHours":18.784461068862058,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:47","end":"19:47","startHours":18.784461068862058,"endHours":19.784461068862058,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:47","end":"20:47","startHours":19.784461068862058,"endHours":20.784461068862058,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:47","end":"21:47","startHours":20.784461068862058,"endHours":21.784461068862058,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:47","end":"22:47","startHours":21.784461068862058,"endHours":22.784461068862058,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:47","end":"23:47","startHours":22.784461068862058,"endHours":23.784461068862058,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:47","end":"00:47","startHours":23.784461068862058,"endHours":24.784461068862058,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:47","end":"01:47","startHours":24.784461068862058,"endHours":25.784461068862058,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:47","end":"02:47","startHours":25.784461068862058,"endHours":26.784461068862058,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:47","end":"03:47","startHours":26.784461068862058,"endHours":27.784461068862058,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:47","end":"04:47","startHours":27.784461068862058,"endHours":28.784461068862058,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:47","end":"05:47","startHours":28.784461068862058,"endHours":29.784461068862058,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:47","end":"06:47","startHours":29.784461068862058,"endHours":30.784461068862058,"planetary_lord":"Jupiter"}],"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":"North-East","anandadiYoga":{"name":"Ānanda","quality":"Auspicious"},"drikRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":12.395539013871781,"eotMinutes":-3.0500109105302213,"ayanamsa":23.8619}},"calendars":{"vikram_samvat":2057,"vikram_samvatsara":"Vijaya","saka_samvat":1922,"saka_samvatsara":"Vikrama","bengali_samvat":1407,"malayalam_era":1176,"nanakshahi_year":531,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Pañcamī · Vikram 2057 Vijaya · Śaka 1922 Vikrama"},"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":"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":[{"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 20, 2000 CE · Perth, Australia · Vidhyamitra","description":"August 20, 2000 CE for Perth, Australia: Kṛṣṇa Pañcamī, sūryodaya 06:47, sūryāsta 17:52.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2000-08-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2000-08-20","sa":"https://sa.vidhyamitra.com/city/perth/2000-08-20","hi":"https://hi.vidhyamitra.com/city/perth/2000-08-20","x-default":"https://vidhyamitra.com/city/perth/2000-08-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-16T18:48:01.379Z","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":"2026-05-16T18:48:01.379Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-16T18:48:01.379Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}