{"id":"vidhyamitra:city-day:perth:2183-05-25:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2183-05-25","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2183-05-25","date_display":"May 25, 2183 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":2183,"month":5,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2518528.770833,"kali_year":5285,"ahargana":1930063.2708,"sun":{"sidereal_longitude":37.0065,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":79.6131,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":42.6067,"elapsed_within_tithi_degrees":6.6067},"nakshatra":{"number":6,"name":"Ārdrā","pada":4,"moon_longitude":79.6131,"elapsed_within_degrees":12.9465},"yoga":{"number":9,"name":"Śūla","sum_longitude":116.6196},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"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":2183,"month":5,"day":25,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2518528.770833,"ahargana":1930063.2708,"kali_year":5285,"ayanamsa_lahiri":26.4149,"grahas":{"sun":{"sidereal_longitude":37.501238,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":78.78403800000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false,"latitude":-4.3726},"mars":{"sidereal_longitude":110.92623800000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":29.324937999999975,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":165.46813799999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":true},"venus":{"sidereal_longitude":73.485838,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":true},"saturn":{"sidereal_longitude":104.98363799999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":155.9598,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":335.9598,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","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":2183,"month":5,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2518528.770833,"kali_year":5285,"ahargana":1930063.2708,"sun":{"sidereal_longitude":37.0065,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":79.6131,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":42.6067,"elapsed_within_tithi_degrees":6.6067},"nakshatra":{"number":6,"name":"Ārdrā","pada":4,"moon_longitude":79.6131,"elapsed_within_degrees":12.9465},"yoga":{"number":9,"name":"Śūla","sum_longitude":116.6196},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.373,"elongation":42.607},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.373,"opposition_distance":137.393}},"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":"07:04","sunsetLocal":"17:22","solarNoonLocal":"12:13","dayLengthHours":10.304023803357376,"dayLengthDisplay":"10 Hours 18 Mins 14 Secs","nightLengthDisplay":"13 Hours 41 Mins 46 Secs","moonriseLocal":"09:55","moonsetLocal":"20:01","rahuKala":{"name":"Rāhu Kāla","start":"16:05","end":"17:22","startHours":16.086344237010877,"endHours":17.37434721243055,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:13","end":"13:31","startHours":12.222335310751863,"endHours":13.510338286171534,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:48","end":"16:05","startHours":14.798341261591206,"endHours":16.086344237010877,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:28","end":"09:49","startHours":9.474595629856562,"endHours":9.818063089968474,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:30","end":"07:46","startHours":7.499657734213065,"endHours":7.774431702302595,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:34","startHours":11.87886785063995,"endHours":12.565802770863776,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:42","end":"06:23","startHours":5.6964535686255235,"endHours":6.383388488849349,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:13","end":"07:04","startHours":6.211654758793392,"endHours":7.070323409073174,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:56","end":"14:38","startHours":13.939672611311424,"endHours":14.62660753153525,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:10","end":"17:34","startHours":17.17434721243055,"endHours":17.57434721243055,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:22","end":"17:48","startHours":17.37434721243055,"endHours":17.80368153757044,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:07","end":"18:52","startHours":17.12434721243055,"endHours":18.87434721243055,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:34","startHours":23.87886785063995,"endHours":24.565802770863776,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:04","end":"08:21","startHours":7.070323409073174,"endHours":8.358326384492846,"quality":"inauspicious"},{"name":"Chala","start":"08:21","end":"09:39","startHours":8.358326384492846,"endHours":9.646329359912517,"quality":"neutral"},{"name":"Labha","start":"09:39","end":"10:56","startHours":9.646329359912517,"endHours":10.93433233533219,"quality":"auspicious"},{"name":"Amṛta","start":"10:56","end":"12:13","startHours":10.93433233533219,"endHours":12.222335310751863,"quality":"auspicious"},{"name":"Kāla","start":"12:13","end":"13:31","startHours":12.222335310751863,"endHours":13.510338286171534,"quality":"inauspicious"},{"name":"Śubha","start":"13:31","end":"14:48","startHours":13.510338286171534,"endHours":14.798341261591206,"quality":"auspicious"},{"name":"Roga","start":"14:48","end":"16:05","startHours":14.798341261591206,"endHours":16.086344237010877,"quality":"inauspicious"},{"name":"Udveg","start":"16:05","end":"17:22","startHours":16.086344237010877,"endHours":17.37434721243055,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:22","end":"19:05","startHours":17.37434721243055,"endHours":19.086344237010877,"quality":"auspicious"},{"name":"Roga","start":"19:05","end":"20:48","startHours":19.086344237010877,"endHours":20.798341261591204,"quality":"inauspicious"},{"name":"Udveg","start":"20:48","end":"22:31","startHours":20.798341261591204,"endHours":22.51033828617153,"quality":"inauspicious"},{"name":"Chala","start":"22:31","end":"00:13","startHours":22.51033828617153,"endHours":24.222335310751863,"quality":"neutral"},{"name":"Labha","start":"00:13","end":"01:56","startHours":24.222335310751863,"endHours":25.93433233533219,"quality":"auspicious"},{"name":"Amṛta","start":"01:56","end":"03:39","startHours":25.93433233533219,"endHours":27.646329359912517,"quality":"auspicious"},{"name":"Kāla","start":"03:39","end":"05:21","startHours":27.646329359912517,"endHours":29.358326384492848,"quality":"inauspicious"},{"name":"Śubha","start":"05:21","end":"07:04","startHours":29.358326384492848,"endHours":31.070323409073175,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:04","end":"08:04","startHours":7.070323409073174,"endHours":8.070323409073174,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:04","end":"09:04","startHours":8.070323409073174,"endHours":9.070323409073174,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:04","end":"10:04","startHours":9.070323409073174,"endHours":10.070323409073174,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:04","end":"11:04","startHours":10.070323409073174,"endHours":11.070323409073174,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:04","end":"12:04","startHours":11.070323409073174,"endHours":12.070323409073174,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:04","end":"13:04","startHours":12.070323409073174,"endHours":13.070323409073174,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:04","end":"14:04","startHours":13.070323409073174,"endHours":14.070323409073174,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:04","end":"15:04","startHours":14.070323409073174,"endHours":15.070323409073174,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:04","end":"16:04","startHours":15.070323409073174,"endHours":16.070323409073175,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:04","end":"17:04","startHours":16.070323409073175,"endHours":17.070323409073175,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:04","end":"18:04","startHours":17.070323409073175,"endHours":18.070323409073175,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:04","end":"19:04","startHours":18.070323409073175,"endHours":19.070323409073175,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:04","end":"20:04","startHours":19.070323409073175,"endHours":20.070323409073175,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:04","end":"21:04","startHours":20.070323409073175,"endHours":21.070323409073175,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:04","end":"22:04","startHours":21.070323409073175,"endHours":22.070323409073175,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:04","end":"23:04","startHours":22.070323409073175,"endHours":23.070323409073175,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:04","end":"00:04","startHours":23.070323409073175,"endHours":24.070323409073175,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:04","end":"01:04","startHours":24.070323409073175,"endHours":25.070323409073175,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:04","end":"02:04","startHours":25.070323409073175,"endHours":26.070323409073175,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:04","end":"03:04","startHours":26.070323409073175,"endHours":27.070323409073175,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:04","end":"04:04","startHours":27.070323409073175,"endHours":28.070323409073175,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:04","end":"05:04","startHours":28.070323409073175,"endHours":29.070323409073175,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:04","end":"06:04","startHours":29.070323409073175,"endHours":30.070323409073175,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:04","end":"07:04","startHours":30.070323409073175,"endHours":31.070323409073175,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"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":"North-East","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"tropicalRitu":"Grīṣma (Summer) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":20.929809195477358,"eotMinutes":3.2178813548881493,"ayanamsa":26.4149}},"calendars":{"vikram_samvat":2240,"vikram_samvatsara":"Durmukhi","saka_samvat":2105,"saka_samvatsara":"Subhānu","bengali_samvat":1590,"malayalam_era":1359,"nanakshahi_year":714,"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 2240 Durmukhi · Śaka 2105 Subhānu"},"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":"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 25, 2183 CE · Perth, Australia · Vidhyamitra","description":"May 25, 2183 CE for Perth, Australia: Śukla Caturthī, sūryodaya 07:04, sūryāsta 17:22.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2183-05-25","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2183-05-25","sa":"https://sa.vidhyamitra.com/city/perth/2183-05-25","hi":"https://hi.vidhyamitra.com/city/perth/2183-05-25","x-default":"https://vidhyamitra.com/city/perth/2183-05-25"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T00:16:53.558Z","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":"2026-05-31T00:16:53.558Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T00:16:53.558Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}