{"id":"vidhyamitra:city-day:perth:1983-05-22:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1983-05-22","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1983-05-22","date_display":"May 22, 1983 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":1983,"month":5,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445476.770833,"kali_year":5085,"ahargana":1857011.2708,"sun":{"sidereal_longitude":36.7689,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":158.2685,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":121.4997,"elapsed_within_tithi_degrees":1.4997},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4,"moon_longitude":158.2685,"elapsed_within_degrees":11.6019},"yoga":{"number":15,"name":"Vajra","sum_longitude":195.0374},"karana":{"half_tithi_index":20,"name":"Vaṇija"},"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":1983,"month":5,"day":22,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2445476.770833,"ahargana":1857011.2708,"kali_year":5085,"ayanamsa_lahiri":23.6209,"grahas":{"sun":{"sidereal_longitude":36.78876100000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":158.58016099999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false,"latitude":4.4981},"mars":{"sidereal_longitude":40.256861000000015,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":23.445761000000005,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":223.94706100000008,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":80.57676100000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":185.07836099999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":66.6063,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":246.6063,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","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":1983,"month":5,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445476.770833,"kali_year":5085,"ahargana":1857011.2708,"sun":{"sidereal_longitude":36.7689,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":158.2685,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":121.4997,"elapsed_within_tithi_degrees":1.4997},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4,"moon_longitude":158.2685,"elapsed_within_degrees":11.6019},"yoga":{"number":15,"name":"Vajra","sum_longitude":195.0374},"karana":{"half_tithi_index":20,"name":"Vaṇija"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.498,"elongation":121.5},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.498,"opposition_distance":58.5}},"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":"07:02","sunsetLocal":"17:24","solarNoonLocal":"12:13","dayLengthHours":10.370960628240294,"dayLengthDisplay":"10 Hours 22 Mins 15 Secs","nightLengthDisplay":"13 Hours 37 Mins 45 Secs","moonriseLocal":"14:15","moonsetLocal":"02:25","rahuKala":{"name":"Rāhu Kāla","start":"16:06","end":"17:24","startHours":16.107214348818655,"endHours":17.403584427348694,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:13","end":"13:31","startHours":12.218104113228545,"endHours":13.514474191758584,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:49","end":"16:06","startHours":14.81084427028862,"endHours":16.107214348818655,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:27","end":"09:48","startHours":9.452514612364467,"endHours":9.798213299972478,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:28","end":"07:44","startHours":7.464747158618412,"endHours":7.741306108704819,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:34","startHours":11.872405425620537,"endHours":12.563802800836557,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:39","end":"06:20","startHours":5.649829048676359,"endHours":6.34122642389238,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:10","end":"07:02","startHours":6.168377080088375,"endHours":7.032623799108399,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:57","end":"14:38","startHours":13.946597551268596,"endHours":14.637994926484616,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:12","end":"17:36","startHours":17.203584427348694,"endHours":17.603584427348693,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:24","end":"17:50","startHours":17.403584427348694,"endHours":17.835707786858706,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:09","end":"18:54","startHours":17.153584427348694,"endHours":18.903584427348694,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:34","startHours":23.87240542562054,"endHours":24.56380280083656,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:02","end":"08:20","startHours":7.032623799108399,"endHours":8.328993877638435,"quality":"inauspicious"},{"name":"Chala","start":"08:20","end":"09:38","startHours":8.328993877638435,"endHours":9.625363956168473,"quality":"neutral"},{"name":"Labha","start":"09:38","end":"10:55","startHours":9.625363956168473,"endHours":10.92173403469851,"quality":"auspicious"},{"name":"Amṛta","start":"10:55","end":"12:13","startHours":10.92173403469851,"endHours":12.218104113228545,"quality":"auspicious"},{"name":"Kāla","start":"12:13","end":"13:31","startHours":12.218104113228545,"endHours":13.514474191758584,"quality":"inauspicious"},{"name":"Śubha","start":"13:31","end":"14:49","startHours":13.514474191758584,"endHours":14.81084427028862,"quality":"auspicious"},{"name":"Roga","start":"14:49","end":"16:06","startHours":14.81084427028862,"endHours":16.107214348818655,"quality":"inauspicious"},{"name":"Udveg","start":"16:06","end":"17:24","startHours":16.107214348818655,"endHours":17.403584427348694,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:24","end":"19:06","startHours":17.403584427348694,"endHours":19.10721434881866,"quality":"auspicious"},{"name":"Roga","start":"19:06","end":"20:49","startHours":19.10721434881866,"endHours":20.81084427028862,"quality":"inauspicious"},{"name":"Udveg","start":"20:49","end":"22:31","startHours":20.81084427028862,"endHours":22.514474191758584,"quality":"inauspicious"},{"name":"Chala","start":"22:31","end":"00:13","startHours":22.514474191758584,"endHours":24.21810411322855,"quality":"neutral"},{"name":"Labha","start":"00:13","end":"01:55","startHours":24.21810411322855,"endHours":25.92173403469851,"quality":"auspicious"},{"name":"Amṛta","start":"01:55","end":"03:38","startHours":25.92173403469851,"endHours":27.625363956168474,"quality":"auspicious"},{"name":"Kāla","start":"03:38","end":"05:20","startHours":27.625363956168474,"endHours":29.32899387763844,"quality":"inauspicious"},{"name":"Śubha","start":"05:20","end":"07:02","startHours":29.32899387763844,"endHours":31.0326237991084,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:02","end":"08:02","startHours":7.032623799108399,"endHours":8.0326237991084,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:02","end":"09:02","startHours":8.0326237991084,"endHours":9.0326237991084,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:02","end":"10:02","startHours":9.0326237991084,"endHours":10.0326237991084,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:02","end":"11:02","startHours":10.0326237991084,"endHours":11.0326237991084,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:02","end":"12:02","startHours":11.0326237991084,"endHours":12.0326237991084,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:02","end":"13:02","startHours":12.0326237991084,"endHours":13.0326237991084,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:02","end":"14:02","startHours":13.0326237991084,"endHours":14.0326237991084,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:02","end":"15:02","startHours":14.0326237991084,"endHours":15.0326237991084,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:02","end":"16:02","startHours":15.0326237991084,"endHours":16.0326237991084,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:02","end":"17:02","startHours":16.0326237991084,"endHours":17.0326237991084,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:02","end":"18:02","startHours":17.0326237991084,"endHours":18.0326237991084,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:02","end":"19:02","startHours":18.0326237991084,"endHours":19.0326237991084,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:02","end":"20:02","startHours":19.0326237991084,"endHours":20.0326237991084,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:02","end":"21:02","startHours":20.0326237991084,"endHours":21.0326237991084,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:02","end":"22:02","startHours":21.0326237991084,"endHours":22.0326237991084,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:02","end":"23:02","startHours":22.0326237991084,"endHours":23.0326237991084,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:02","end":"00:02","startHours":23.0326237991084,"endHours":24.0326237991084,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:02","end":"01:02","startHours":24.0326237991084,"endHours":25.0326237991084,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:02","end":"02:02","startHours":25.0326237991084,"endHours":26.0326237991084,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:02","end":"03:02","startHours":26.0326237991084,"endHours":27.0326237991084,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:02","end":"04:02","startHours":27.0326237991084,"endHours":28.0326237991084,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:02","end":"05:02","startHours":28.0326237991084,"endHours":29.0326237991084,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:02","end":"06:02","startHours":29.0326237991084,"endHours":30.0326237991084,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:02","end":"07:02","startHours":30.0326237991084,"endHours":31.0326237991084,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"North-West","rahuVasa":"North-East","anandadiYoga":{"name":"Maitra","quality":"Auspicious"},"tropicalRitu":"Grīṣma (Summer) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":20.234270393845232,"eotMinutes":3.4717532062871586,"ayanamsa":23.6209}},"calendars":{"vikram_samvat":2040,"vikram_samvatsara":"Dhātṛ","saka_samvat":1905,"saka_samvatsara":"Rudhirodgāri","bengali_samvat":1390,"malayalam_era":1159,"nanakshahi_year":514,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Ekādaśī · Vikram 2040 Dhātṛ · Śaka 1905 Rudhirodgāri"},"festivals":[{"id":"mohini-ekadashi","name":"Mohinī Ekādaśī","name_sanskrit":"मोहिनी एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu (Mohinī form)","significance":"Mohinī-form of Viṣṇu deceived asuras during samudra-mathana for amṛta.","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":3,"sources":["Bhāgavata 8.9"]},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"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 May 22, 1983 CE · Perth, Australia · Vidhyamitra","description":"May 22, 1983 CE for Perth, Australia: Śukla Ekādaśī, sūryodaya 07:02, sūryāsta 17:24.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1983-05-22","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1983-05-22","sa":"https://sa.vidhyamitra.com/city/perth/1983-05-22","hi":"https://hi.vidhyamitra.com/city/perth/1983-05-22","x-default":"https://vidhyamitra.com/city/perth/1983-05-22"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T19:32:50.891Z","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":"2026-05-31T19:32:50.891Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T19:32:50.891Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}