{"id":"vidhyamitra:city-day:perth:2164-05-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2164-05-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2164-05-16","date_display":"May 16, 2164 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":2164,"month":5,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2511580.770833,"kali_year":5266,"ahargana":1923115.2708,"sun":{"sidereal_longitude":29.2698,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":328.032,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":298.7623,"elapsed_within_tithi_degrees":10.7623},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3,"moon_longitude":328.032,"elapsed_within_degrees":8.032},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":357.3018},"karana":{"half_tithi_index":49,"name":"Viṣṭi"},"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":2164,"month":5,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2511580.770833,"ahargana":1923115.2708,"kali_year":5266,"ayanamsa_lahiri":26.1491,"grahas":{"sun":{"sidereal_longitude":29.667602999999986,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":329.45710299999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false,"latitude":1.2442},"mars":{"sidereal_longitude":83.06400300000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":25.845303,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":324.461403,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":357.668403,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":237.79900299999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":164.0983,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":344.0983,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"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":2164,"month":5,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2511580.770833,"kali_year":5266,"ahargana":1923115.2708,"sun":{"sidereal_longitude":29.2698,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":328.032,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":298.7623,"elapsed_within_tithi_degrees":10.7623},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3,"moon_longitude":328.032,"elapsed_within_degrees":8.032},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":357.3018},"karana":{"half_tithi_index":49,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.244,"elongation":61.238},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.244,"opposition_distance":118.762}},"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":"06:59","sunsetLocal":"17:27","solarNoonLocal":"12:13","dayLengthHours":10.46832292678396,"dayLengthDisplay":"10 Hours 28 Mins 06 Secs","nightLengthDisplay":"13 Hours 31 Mins 54 Secs","moonriseLocal":"02:05","moonsetLocal":"14:19","rahuKala":{"name":"Rāhu Kāla","start":"12:13","end":"13:31","startHours":12.213579084020207,"endHours":13.522119449868203,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:17","end":"09:36","startHours":8.287957986476222,"endHours":9.596498352324218,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:54","end":"12:13","startHours":10.905038718172213,"endHours":12.213579084020207,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:25","end":"09:46","startHours":9.422026303544484,"endHours":9.77097040110395,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:25","end":"07:42","startHours":7.415597742577559,"endHours":7.694753020625131,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:34","startHours":11.864634986460741,"endHours":12.562523181579673,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:35","end":"06:17","startHours":5.583641230390366,"endHours":6.281529425509297,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:06","end":"06:59","startHours":6.107057376729564,"endHours":6.979417620628228,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:57","end":"14:39","startHours":13.958299571817534,"endHours":14.656187766936466,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:15","end":"17:39","startHours":17.24774054741219,"endHours":17.647740547412187,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:27","end":"17:53","startHours":17.447740547412188,"endHours":17.88392066936152,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:12","end":"18:57","startHours":17.197740547412188,"endHours":18.947740547412188,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:34","startHours":23.864634986460743,"endHours":24.56252318157967,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:59","end":"08:17","startHours":6.979417620628228,"endHours":8.287957986476222,"quality":"auspicious"},{"name":"Amṛta","start":"08:17","end":"09:36","startHours":8.287957986476222,"endHours":9.596498352324218,"quality":"auspicious"},{"name":"Kāla","start":"09:36","end":"10:54","startHours":9.596498352324218,"endHours":10.905038718172213,"quality":"inauspicious"},{"name":"Śubha","start":"10:54","end":"12:13","startHours":10.905038718172213,"endHours":12.213579084020207,"quality":"auspicious"},{"name":"Roga","start":"12:13","end":"13:31","startHours":12.213579084020207,"endHours":13.522119449868203,"quality":"inauspicious"},{"name":"Udveg","start":"13:31","end":"14:50","startHours":13.522119449868203,"endHours":14.830659815716198,"quality":"inauspicious"},{"name":"Chala","start":"14:50","end":"16:08","startHours":14.830659815716198,"endHours":16.139200181564192,"quality":"neutral"},{"name":"Labha","start":"16:08","end":"17:27","startHours":16.139200181564192,"endHours":17.447740547412188,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:27","end":"19:08","startHours":17.447740547412188,"endHours":19.139200181564192,"quality":"inauspicious"},{"name":"Chala","start":"19:08","end":"20:50","startHours":19.139200181564192,"endHours":20.8306598157162,"quality":"neutral"},{"name":"Labha","start":"20:50","end":"22:31","startHours":20.8306598157162,"endHours":22.522119449868203,"quality":"auspicious"},{"name":"Amṛta","start":"22:31","end":"00:13","startHours":22.522119449868203,"endHours":24.213579084020207,"quality":"auspicious"},{"name":"Kāla","start":"00:13","end":"01:54","startHours":24.213579084020207,"endHours":25.905038718172214,"quality":"inauspicious"},{"name":"Śubha","start":"01:54","end":"03:36","startHours":25.905038718172214,"endHours":27.596498352324218,"quality":"auspicious"},{"name":"Roga","start":"03:36","end":"05:17","startHours":27.596498352324218,"endHours":29.287957986476222,"quality":"inauspicious"},{"name":"Udveg","start":"05:17","end":"06:59","startHours":29.287957986476222,"endHours":30.979417620628226,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:59","end":"07:59","startHours":6.979417620628228,"endHours":7.979417620628228,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:59","end":"08:59","startHours":7.979417620628228,"endHours":8.979417620628228,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:59","end":"09:59","startHours":8.979417620628228,"endHours":9.979417620628228,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:59","end":"10:59","startHours":9.979417620628228,"endHours":10.979417620628228,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:59","end":"11:59","startHours":10.979417620628228,"endHours":11.979417620628228,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:59","end":"12:59","startHours":11.979417620628228,"endHours":12.979417620628228,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:59","end":"13:59","startHours":12.979417620628228,"endHours":13.979417620628228,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:59","end":"14:59","startHours":13.979417620628228,"endHours":14.979417620628228,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:59","end":"15:59","startHours":14.979417620628228,"endHours":15.979417620628228,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:59","end":"16:59","startHours":15.979417620628228,"endHours":16.979417620628226,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:59","end":"17:59","startHours":16.979417620628226,"endHours":17.979417620628226,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:59","end":"18:59","startHours":17.979417620628226,"endHours":18.979417620628226,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:59","end":"19:59","startHours":18.979417620628226,"endHours":19.979417620628226,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:59","end":"20:59","startHours":19.979417620628226,"endHours":20.979417620628226,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:59","end":"21:59","startHours":20.979417620628226,"endHours":21.979417620628226,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:59","end":"22:59","startHours":21.979417620628226,"endHours":22.979417620628226,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:59","end":"23:59","startHours":22.979417620628226,"endHours":23.979417620628226,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:59","end":"00:59","startHours":23.979417620628226,"endHours":24.979417620628226,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:59","end":"01:59","startHours":24.979417620628226,"endHours":25.979417620628226,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:59","end":"02:59","startHours":25.979417620628226,"endHours":26.979417620628226,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:59","end":"03:59","startHours":26.979417620628226,"endHours":27.979417620628226,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:59","end":"04:59","startHours":27.979417620628226,"endHours":28.979417620628226,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:59","end":"05:59","startHours":28.979417620628226,"endHours":29.979417620628226,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:59","end":"06:59","startHours":29.979417620628226,"endHours":30.979417620628226,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"South","rahuVasa":"South-West","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":19.209422643591278,"eotMinutes":3.743254958787478,"ayanamsa":26.1491}},"calendars":{"vikram_samvat":2221,"vikram_samvatsara":"Īśvara","saka_samvat":2086,"saka_samvatsara":"Raktākṣī","bengali_samvat":1571,"malayalam_era":1340,"nanakshahi_year":695,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Jyeṣṭha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Kṛṣṇa Daśamī · Vikram 2221 Īśvara · Śaka 2086 Raktākṣī"},"festivals":[],"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 May 16, 2164 CE · Perth, Australia · Vidhyamitra","description":"May 16, 2164 CE for Perth, Australia: Kṛṣṇa Daśamī, sūryodaya 06:59, sūryāsta 17:27.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2164-05-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2164-05-16","sa":"https://sa.vidhyamitra.com/city/perth/2164-05-16","hi":"https://hi.vidhyamitra.com/city/perth/2164-05-16","x-default":"https://vidhyamitra.com/city/perth/2164-05-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T15:41:16.475Z","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":"2026-06-01T15:41:16.475Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T15:41:16.475Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}