{"id":"vidhyamitra:city-day:perth:2171-08-22:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2171-08-22","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2171-08-22","date_display":"August 22, 2171 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":2171,"month":8,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514234.770833,"kali_year":5273,"ahargana":1925769.2708,"sun":{"sidereal_longitude":121.6402,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":16.0172,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":254.377,"elapsed_within_tithi_degrees":2.377},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1,"moon_longitude":16.0172,"elapsed_within_degrees":2.6839},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":137.6574},"karana":{"half_tithi_index":42,"name":"Viṣṭi"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2171,"month":8,"day":22,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2514234.770833,"ahargana":1925769.2708,"kali_year":5273,"ayanamsa_lahiri":26.2506,"grahas":{"sun":{"sidereal_longitude":122.68979999999999,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":14.82080000000002,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false,"latitude":-0.5836},"mars":{"sidereal_longitude":89.32659999999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":118.18290000000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":168.35609999999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"venus":{"sidereal_longitude":133.87339999999995,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":318.44319999999993,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":23.4766,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":203.4766,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","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":2171,"month":8,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514234.770833,"kali_year":5273,"ahargana":1925769.2708,"sun":{"sidereal_longitude":121.6402,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":16.0172,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":254.377,"elapsed_within_tithi_degrees":2.377},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1,"moon_longitude":16.0172,"elapsed_within_degrees":2.6839},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":137.6574},"karana":{"half_tithi_index":42,"name":"Viṣṭi"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.584,"elongation":105.623},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.584,"opposition_distance":74.377}},"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":"06:45","sunsetLocal":"17:53","solarNoonLocal":"12:19","dayLengthHours":11.132940224777089,"dayLengthDisplay":"11 Hours 07 Mins 59 Secs","nightLengthDisplay":"12 Hours 52 Mins 01 Secs","moonriseLocal":"23:44","moonsetLocal":"10:32","rahuKala":{"name":"Rāhu Kāla","start":"13:43","end":"15:06","startHours":13.709873132494607,"endHours":15.101490660591743,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:45","end":"08:09","startHours":6.751785492008926,"endHours":8.143403020106062,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:32","end":"10:56","startHours":9.535020548203198,"endHours":10.926638076300335,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:21","end":"09:43","startHours":9.349471544456915,"endHours":9.720569551949483,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:13","end":"07:31","startHours":7.215658001374638,"endHours":7.512536407368693,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:57","end":"12:41","startHours":11.947157596904901,"endHours":12.689353611890041,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:16","end":"06:01","startHours":5.2673934620386476,"endHours":6.009589477023787,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:49","end":"06:45","startHours":5.824040473277502,"endHours":6.751785492008926,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:55","startHours":14.173745641860318,"endHours":14.915941656845458,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:41","end":"18:05","startHours":17.684725716786016,"endHours":18.084725716786014,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:53","end":"18:21","startHours":17.884725716786015,"endHours":18.348598226151726,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:38","end":"19:23","startHours":17.634725716786015,"endHours":19.384725716786015,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:57","end":"00:41","startHours":23.9471575969049,"endHours":24.68935361189004,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:45","end":"08:09","startHours":6.751785492008926,"endHours":8.143403020106062,"quality":"auspicious"},{"name":"Roga","start":"08:09","end":"09:32","startHours":8.143403020106062,"endHours":9.535020548203198,"quality":"inauspicious"},{"name":"Udveg","start":"09:32","end":"10:56","startHours":9.535020548203198,"endHours":10.926638076300335,"quality":"inauspicious"},{"name":"Chala","start":"10:56","end":"12:19","startHours":10.926638076300335,"endHours":12.318255604397471,"quality":"neutral"},{"name":"Labha","start":"12:19","end":"13:43","startHours":12.318255604397471,"endHours":13.709873132494607,"quality":"auspicious"},{"name":"Amṛta","start":"13:43","end":"15:06","startHours":13.709873132494607,"endHours":15.101490660591743,"quality":"auspicious"},{"name":"Kāla","start":"15:06","end":"16:30","startHours":15.101490660591743,"endHours":16.49310818868888,"quality":"inauspicious"},{"name":"Śubha","start":"16:30","end":"17:53","startHours":16.49310818868888,"endHours":17.884725716786015,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:53","end":"19:30","startHours":17.884725716786015,"endHours":19.49310818868888,"quality":"auspicious"},{"name":"Kāla","start":"19:30","end":"21:06","startHours":19.49310818868888,"endHours":21.101490660591743,"quality":"inauspicious"},{"name":"Śubha","start":"21:06","end":"22:43","startHours":21.101490660591743,"endHours":22.709873132494607,"quality":"auspicious"},{"name":"Roga","start":"22:43","end":"00:19","startHours":22.709873132494607,"endHours":24.31825560439747,"quality":"inauspicious"},{"name":"Udveg","start":"00:19","end":"01:56","startHours":24.31825560439747,"endHours":25.926638076300335,"quality":"inauspicious"},{"name":"Chala","start":"01:56","end":"03:32","startHours":25.926638076300335,"endHours":27.5350205482032,"quality":"neutral"},{"name":"Labha","start":"03:32","end":"05:09","startHours":27.5350205482032,"endHours":29.143403020106064,"quality":"auspicious"},{"name":"Amṛta","start":"05:09","end":"06:45","startHours":29.143403020106064,"endHours":30.751785492008928,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:45","end":"07:45","startHours":6.751785492008926,"endHours":7.751785492008926,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:45","end":"08:45","startHours":7.751785492008926,"endHours":8.751785492008926,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:45","end":"09:45","startHours":8.751785492008926,"endHours":9.751785492008926,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:45","end":"10:45","startHours":9.751785492008926,"endHours":10.751785492008926,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:45","end":"11:45","startHours":10.751785492008926,"endHours":11.751785492008926,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:45","end":"12:45","startHours":11.751785492008926,"endHours":12.751785492008926,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:45","end":"13:45","startHours":12.751785492008926,"endHours":13.751785492008926,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:45","end":"14:45","startHours":13.751785492008926,"endHours":14.751785492008926,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:45","end":"15:45","startHours":14.751785492008926,"endHours":15.751785492008926,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:45","end":"16:45","startHours":15.751785492008926,"endHours":16.751785492008928,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:45","end":"17:45","startHours":16.751785492008928,"endHours":17.751785492008928,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:45","end":"18:45","startHours":17.751785492008928,"endHours":18.751785492008928,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:45","end":"19:45","startHours":18.751785492008928,"endHours":19.751785492008928,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:45","end":"20:45","startHours":19.751785492008928,"endHours":20.751785492008928,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:45","end":"21:45","startHours":20.751785492008928,"endHours":21.751785492008928,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:45","end":"22:45","startHours":21.751785492008928,"endHours":22.751785492008928,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:45","end":"23:45","startHours":22.751785492008928,"endHours":23.751785492008928,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:45","end":"00:45","startHours":23.751785492008928,"endHours":24.751785492008928,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:45","end":"01:45","startHours":24.751785492008928,"endHours":25.751785492008928,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:45","end":"02:45","startHours":25.751785492008928,"endHours":26.751785492008928,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:45","end":"03:45","startHours":26.751785492008928,"endHours":27.751785492008928,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:45","end":"04:45","startHours":27.751785492008928,"endHours":28.751785492008928,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:45","end":"05:45","startHours":28.751785492008928,"endHours":29.751785492008928,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:45","end":"06:45","startHours":29.751785492008928,"endHours":30.751785492008928,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"East","rahuVasa":"North-West","anandadiYoga":{"name":"Kāṇa","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":11.841317406803489,"eotMinutes":-2.537336263848294,"ayanamsa":26.2506}},"calendars":{"vikram_samvat":2228,"vikram_samvatsara":"Tāraṇa","saka_samvat":2093,"saka_samvatsara":"Prajāpati","bengali_samvat":1578,"malayalam_era":1347,"nanakshahi_year":702,"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":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Saptamī · Vikram 2228 Tāraṇa · Śaka 2093 Prajāpati"},"festivals":[],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 22, 2171 CE · Perth, Australia · Vidhyamitra","description":"August 22, 2171 CE for Perth, Australia: Kṛṣṇa Saptamī, sūryodaya 06:45, sūryāsta 17:53.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2171-08-22","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2171-08-22","sa":"https://sa.vidhyamitra.com/city/perth/2171-08-22","hi":"https://hi.vidhyamitra.com/city/perth/2171-08-22","x-default":"https://vidhyamitra.com/city/perth/2171-08-22"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T08:34:11.126Z","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":"2026-06-01T08:34:11.126Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T08:34:11.126Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}