{"id":"vidhyamitra:city-day:perth:2164-05-25:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2164-05-25","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2164-05-25","date_display":"May 25, 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":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2511589.770833,"kali_year":5266,"ahargana":1923124.2708,"sun":{"sidereal_longitude":37.8817,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":85.5166,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":47.6349,"elapsed_within_tithi_degrees":11.6349},"nakshatra":{"number":7,"name":"Punarvasu","pada":2,"moon_longitude":85.5166,"elapsed_within_degrees":5.5166},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":123.3984},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":25,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2511589.770833,"ahargana":1923124.2708,"kali_year":5266,"ayanamsa_lahiri":26.1495,"grahas":{"sun":{"sidereal_longitude":38.33705900000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":82.53195900000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false,"latitude":-4.4032},"mars":{"sidereal_longitude":88.39895899999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":45.42305899999997,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":325.87785899999994,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":359.444959,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":237.23155900000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":163.6214,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":343.6214,"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":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2511589.770833,"kali_year":5266,"ahargana":1923124.2708,"sun":{"sidereal_longitude":37.8817,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":85.5166,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":47.6349,"elapsed_within_tithi_degrees":11.6349},"nakshatra":{"number":7,"name":"Punarvasu","pada":2,"moon_longitude":85.5166,"elapsed_within_degrees":5.5166},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":123.3984},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.403,"elongation":47.635},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.403,"opposition_distance":132.365}},"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":"07:05","sunsetLocal":"17:22","solarNoonLocal":"12:13","dayLengthHours":10.293783007313783,"dayLengthDisplay":"10 Hours 17 Mins 38 Secs","nightLengthDisplay":"13 Hours 42 Mins 22 Secs","moonriseLocal":"10:06","moonsetLocal":"20:14","rahuKala":{"name":"Rāhu Kāla","start":"10:56","end":"12:13","startHours":10.93561243483764,"endHours":12.222335310751863,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:48","end":"16:05","startHours":14.795781062580309,"endHours":16.082503938494533,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:22","end":"09:39","startHours":8.362166683009194,"endHours":9.648889558923418,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:29","end":"09:49","startHours":9.477326508801521,"endHours":9.820452609045315,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:30","end":"07:47","startHours":7.504351432399713,"endHours":7.778852312594747,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:34","startHours":11.879209210508069,"endHours":12.565461410995656,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:42","end":"06:23","startHours":5.7029394061198015,"endHours":6.389191606607387,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:13","end":"07:05","startHours":6.21762855648549,"endHours":7.075443807094972,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:56","end":"14:37","startHours":13.937965811970827,"endHours":14.624218012458412,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:10","end":"17:34","startHours":17.169226814408756,"endHours":17.569226814408754,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:22","end":"17:48","startHours":17.369226814408755,"endHours":17.798134439713497,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:07","end":"18:52","startHours":17.119226814408755,"endHours":18.869226814408755,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:34","startHours":23.87920921050807,"endHours":24.565461410995656,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:05","end":"08:22","startHours":7.075443807094972,"endHours":8.362166683009194,"quality":"neutral"},{"name":"Labha","start":"08:22","end":"09:39","startHours":8.362166683009194,"endHours":9.648889558923418,"quality":"auspicious"},{"name":"Amṛta","start":"09:39","end":"10:56","startHours":9.648889558923418,"endHours":10.93561243483764,"quality":"auspicious"},{"name":"Kāla","start":"10:56","end":"12:13","startHours":10.93561243483764,"endHours":12.222335310751863,"quality":"inauspicious"},{"name":"Śubha","start":"12:13","end":"13:31","startHours":12.222335310751863,"endHours":13.509058186666087,"quality":"auspicious"},{"name":"Roga","start":"13:31","end":"14:48","startHours":13.509058186666087,"endHours":14.795781062580309,"quality":"inauspicious"},{"name":"Udveg","start":"14:48","end":"16:05","startHours":14.795781062580309,"endHours":16.082503938494533,"quality":"inauspicious"},{"name":"Chala","start":"16:05","end":"17:22","startHours":16.082503938494533,"endHours":17.369226814408755,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:22","end":"19:05","startHours":17.369226814408755,"endHours":19.082503938494533,"quality":"inauspicious"},{"name":"Udveg","start":"19:05","end":"20:48","startHours":19.082503938494533,"endHours":20.79578106258031,"quality":"inauspicious"},{"name":"Chala","start":"20:48","end":"22:31","startHours":20.79578106258031,"endHours":22.50905818666609,"quality":"neutral"},{"name":"Labha","start":"22:31","end":"00:13","startHours":22.50905818666609,"endHours":24.222335310751863,"quality":"auspicious"},{"name":"Amṛta","start":"00:13","end":"01:56","startHours":24.222335310751863,"endHours":25.93561243483764,"quality":"auspicious"},{"name":"Kāla","start":"01:56","end":"03:39","startHours":25.93561243483764,"endHours":27.64888955892342,"quality":"inauspicious"},{"name":"Śubha","start":"03:39","end":"05:22","startHours":27.64888955892342,"endHours":29.362166683009193,"quality":"auspicious"},{"name":"Roga","start":"05:22","end":"07:05","startHours":29.362166683009193,"endHours":31.07544380709497,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:05","end":"08:05","startHours":7.075443807094972,"endHours":8.075443807094972,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:05","end":"09:05","startHours":8.075443807094972,"endHours":9.075443807094972,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:05","end":"10:05","startHours":9.075443807094972,"endHours":10.075443807094972,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:05","end":"11:05","startHours":10.075443807094972,"endHours":11.075443807094972,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:05","end":"12:05","startHours":11.075443807094972,"endHours":12.075443807094972,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:05","end":"13:05","startHours":12.075443807094972,"endHours":13.075443807094972,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:05","end":"14:05","startHours":13.075443807094972,"endHours":14.075443807094972,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:05","end":"15:05","startHours":14.075443807094972,"endHours":15.075443807094972,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:05","end":"16:05","startHours":15.075443807094972,"endHours":16.07544380709497,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:05","end":"17:05","startHours":16.07544380709497,"endHours":17.07544380709497,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:05","end":"18:05","startHours":17.07544380709497,"endHours":18.07544380709497,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:05","end":"19:05","startHours":18.07544380709497,"endHours":19.07544380709497,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:05","end":"20:05","startHours":19.07544380709497,"endHours":20.07544380709497,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:05","end":"21:05","startHours":20.07544380709497,"endHours":21.07544380709497,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:05","end":"22:05","startHours":21.07544380709497,"endHours":22.07544380709497,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:05","end":"23:05","startHours":22.07544380709497,"endHours":23.07544380709497,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:05","end":"00:05","startHours":23.07544380709497,"endHours":24.07544380709497,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:05","end":"01:05","startHours":24.07544380709497,"endHours":25.07544380709497,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:05","end":"02:05","startHours":25.07544380709497,"endHours":26.07544380709497,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:05","end":"03:05","startHours":26.07544380709497,"endHours":27.07544380709497,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:05","end":"04:05","startHours":27.07544380709497,"endHours":28.07544380709497,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:05","end":"05:05","startHours":28.07544380709497,"endHours":29.07544380709497,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:05","end":"06:05","startHours":29.07544380709497,"endHours":30.07544380709497,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:05","end":"07:05","startHours":30.07544380709497,"endHours":31.07544380709497,"planetary_lord":"Mars"}],"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","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"South-East","anandadiYoga":{"name":"Sushira","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":21.035559466624026,"eotMinutes":3.2178813548881493,"ayanamsa":26.1495}},"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 Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Jyeṣṭha","lunar_month_amanta":"Jyeṣṭha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Śukla Caturthī · Vikram 2221 Īśvara · Śaka 2086 Raktākṣī"},"festivals":[{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Punarvasu","url":"/day/-1626101-04-03","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 May 25, 2164 CE · Perth, Australia · Vidhyamitra","description":"May 25, 2164 CE for Perth, Australia: Śukla Caturthī, sūryodaya 07:05, sūryāsta 17:22.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2164-05-25","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2164-05-25","sa":"https://sa.vidhyamitra.com/city/perth/2164-05-25","hi":"https://hi.vidhyamitra.com/city/perth/2164-05-25","x-default":"https://vidhyamitra.com/city/perth/2164-05-25"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T04:01:17.242Z","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":"2026-06-02T04:01:17.242Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T04:01:17.242Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}