{"id":"vidhyamitra:city-day:perth:2091-09-22:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2091-09-22","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2091-09-22","date_display":"September 22, 2091 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":2091,"month":9,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2485046.770833,"kali_year":5193,"ahargana":1896581.2708,"sun":{"sidereal_longitude":153.2333,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":266.4391,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":113.2058,"elapsed_within_tithi_degrees":5.2058},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4,"moon_longitude":266.4391,"elapsed_within_degrees":13.1057},"yoga":{"number":5,"name":"Śobhana","sum_longitude":59.6723},"karana":{"half_tithi_index":18,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":2091,"month":9,"day":22,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2485046.770833,"ahargana":1896581.2708,"kali_year":5193,"ayanamsa_lahiri":25.1343,"grahas":{"sun":{"sidereal_longitude":154.19359600000007,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":269.498296,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false,"latitude":3.0992},"mars":{"sidereal_longitude":204.07799599999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":162.591496,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":256.81049600000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":168.935696,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":72.949096,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":129.9973,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":309.9973,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","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":2091,"month":9,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2485046.770833,"kali_year":5193,"ahargana":1896581.2708,"sun":{"sidereal_longitude":153.2333,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":266.4391,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":113.2058,"elapsed_within_tithi_degrees":5.2058},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4,"moon_longitude":266.4391,"elapsed_within_degrees":13.1057},"yoga":{"number":5,"name":"Śobhana","sum_longitude":59.6723},"karana":{"half_tithi_index":18,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.099,"elongation":113.206},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.099,"opposition_distance":66.794}},"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":"06:05","sunsetLocal":"18:12","solarNoonLocal":"12:08","dayLengthHours":12.10866852979074,"dayLengthDisplay":"12 Hours 06 Mins 31 Secs","nightLengthDisplay":"11 Hours 53 Mins 29 Secs","moonriseLocal":"12:51","moonsetLocal":"02:49","rahuKala":{"name":"Rāhu Kāla","start":"09:07","end":"10:38","startHours":9.114204473567007,"endHours":10.62778803979085,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:39","end":"15:10","startHours":13.654955172238536,"endHours":15.168538738462377,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:05","end":"07:36","startHours":6.087037341119323,"endHours":7.600620907343165,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:55","end":"09:19","startHours":8.912393331403829,"endHours":9.316015615730187,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:35","end":"06:55","startHours":6.59156519652727,"endHours":6.914463023988357,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:44","end":"12:33","startHours":11.737749321688336,"endHours":12.544993890341052,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:28","end":"05:17","startHours":4.47254820381389,"endHours":5.279792772466607,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:05","end":"06:05","startHours":5.0779816303034275,"endHours":6.087037341119323,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:58","startHours":14.159483027646484,"endHours":14.9667275962992,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:00","end":"18:24","startHours":17.995705870910065,"endHours":18.395705870910064,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:12","end":"18:42","startHours":18.195705870910064,"endHours":18.70023372631801,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:57","end":"19:42","startHours":17.945705870910064,"endHours":19.695705870910064,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:44","end":"00:33","startHours":23.737749321688337,"endHours":24.54499389034105,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:05","end":"07:36","startHours":6.087037341119323,"endHours":7.600620907343165,"quality":"inauspicious"},{"name":"Śubha","start":"07:36","end":"09:07","startHours":7.600620907343165,"endHours":9.114204473567007,"quality":"auspicious"},{"name":"Roga","start":"09:07","end":"10:38","startHours":9.114204473567007,"endHours":10.62778803979085,"quality":"inauspicious"},{"name":"Udveg","start":"10:38","end":"12:08","startHours":10.62778803979085,"endHours":12.141371606014694,"quality":"inauspicious"},{"name":"Chala","start":"12:08","end":"13:39","startHours":12.141371606014694,"endHours":13.654955172238536,"quality":"neutral"},{"name":"Labha","start":"13:39","end":"15:10","startHours":13.654955172238536,"endHours":15.168538738462377,"quality":"auspicious"},{"name":"Amṛta","start":"15:10","end":"16:41","startHours":15.168538738462377,"endHours":16.68212230468622,"quality":"auspicious"},{"name":"Kāla","start":"16:41","end":"18:12","startHours":16.68212230468622,"endHours":18.195705870910064,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:12","end":"19:41","startHours":18.195705870910064,"endHours":19.68212230468622,"quality":"auspicious"},{"name":"Amṛta","start":"19:41","end":"21:10","startHours":19.68212230468622,"endHours":21.16853873846238,"quality":"auspicious"},{"name":"Kāla","start":"21:10","end":"22:39","startHours":21.16853873846238,"endHours":22.654955172238537,"quality":"inauspicious"},{"name":"Śubha","start":"22:39","end":"00:08","startHours":22.654955172238537,"endHours":24.141371606014694,"quality":"auspicious"},{"name":"Roga","start":"00:08","end":"01:38","startHours":24.141371606014694,"endHours":25.62778803979085,"quality":"inauspicious"},{"name":"Udveg","start":"01:38","end":"03:07","startHours":25.62778803979085,"endHours":27.114204473567007,"quality":"inauspicious"},{"name":"Chala","start":"03:07","end":"04:36","startHours":27.114204473567007,"endHours":28.600620907343167,"quality":"neutral"},{"name":"Labha","start":"04:36","end":"06:05","startHours":28.600620907343167,"endHours":30.087037341119323,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:05","end":"07:05","startHours":6.087037341119323,"endHours":7.087037341119323,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:05","end":"08:05","startHours":7.087037341119323,"endHours":8.087037341119323,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:05","end":"09:05","startHours":8.087037341119323,"endHours":9.087037341119323,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:05","end":"10:05","startHours":9.087037341119323,"endHours":10.087037341119323,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:05","end":"11:05","startHours":10.087037341119323,"endHours":11.087037341119323,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:05","end":"12:05","startHours":11.087037341119323,"endHours":12.087037341119323,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:05","end":"13:05","startHours":12.087037341119323,"endHours":13.087037341119323,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:05","end":"14:05","startHours":13.087037341119323,"endHours":14.087037341119323,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:05","end":"15:05","startHours":14.087037341119323,"endHours":15.087037341119323,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:05","end":"16:05","startHours":15.087037341119323,"endHours":16.087037341119323,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:05","end":"17:05","startHours":16.087037341119323,"endHours":17.087037341119323,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:05","end":"18:05","startHours":17.087037341119323,"endHours":18.087037341119323,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:05","end":"19:05","startHours":18.087037341119323,"endHours":19.087037341119323,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:05","end":"20:05","startHours":19.087037341119323,"endHours":20.087037341119323,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:05","end":"21:05","startHours":20.087037341119323,"endHours":21.087037341119323,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:05","end":"22:05","startHours":21.087037341119323,"endHours":22.087037341119323,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:05","end":"23:05","startHours":22.087037341119323,"endHours":23.087037341119323,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:05","end":"00:05","startHours":23.087037341119323,"endHours":24.087037341119323,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:05","end":"01:05","startHours":24.087037341119323,"endHours":25.087037341119323,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:05","end":"02:05","startHours":25.087037341119323,"endHours":26.087037341119323,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:05","end":"03:05","startHours":26.087037341119323,"endHours":27.087037341119323,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:05","end":"04:05","startHours":27.087037341119323,"endHours":28.087037341119323,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:05","end":"05:05","startHours":28.087037341119323,"endHours":29.087037341119323,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:05","end":"06:05","startHours":29.087037341119323,"endHours":30.087037341119323,"planetary_lord":"Mercury"}],"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":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"East","anandadiYoga":{"name":"Utpāta","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":0.26731241725960314,"eotMinutes":8.075703639118354,"ayanamsa":25.1343}},"calendars":{"vikram_samvat":2148,"vikram_samvatsara":"Raktākṣī","saka_samvat":2013,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1498,"malayalam_era":1267,"nanakshahi_year":622,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Daśamī · Vikram 2148 Raktākṣī · Śaka 2013 Virodhakṛt"},"festivals":[],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 September 22, 2091 CE · Perth, Australia · Vidhyamitra","description":"September 22, 2091 CE for Perth, Australia: Śukla Daśamī, sūryodaya 06:05, sūryāsta 18:12.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2091-09-22","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2091-09-22","sa":"https://sa.vidhyamitra.com/city/perth/2091-09-22","hi":"https://hi.vidhyamitra.com/city/perth/2091-09-22","x-default":"https://vidhyamitra.com/city/perth/2091-09-22"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T14:24:57.906Z","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":"2026-05-31T14:24:57.906Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T14:24:57.906Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}