{"id":"vidhyamitra:city-day:perth:2188-04-30:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2188-04-30","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2188-04-30","date_display":"April 30, 2188 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":2188,"month":4,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2520330.770833,"kali_year":5290,"ahargana":1931865.2708,"sun":{"sidereal_longitude":13.6573,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":53.6084,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":39.9511,"elapsed_within_tithi_degrees":3.9511},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":1,"moon_longitude":53.6084,"elapsed_within_degrees":0.2751},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":67.2658},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"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":2188,"month":4,"day":30,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2520330.770833,"ahargana":1931865.2708,"kali_year":5290,"ayanamsa_lahiri":26.4838,"grahas":{"sun":{"sidereal_longitude":14.022288000000003,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":51.517088,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false,"latitude":-0.5379},"mars":{"sidereal_longitude":19.456687999999986,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":357.426688,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":329.00388799999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":351.596588,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":170.54508799999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":60.4812,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":240.4812,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","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":2188,"month":4,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2520330.770833,"kali_year":5290,"ahargana":1931865.2708,"sun":{"sidereal_longitude":13.6573,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":53.6084,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":39.9511,"elapsed_within_tithi_degrees":3.9511},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":1,"moon_longitude":53.6084,"elapsed_within_degrees":0.2751},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":67.2658},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.538,"elongation":39.951},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.538,"opposition_distance":140.049}},"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":"06:48","sunsetLocal":"17:39","solarNoonLocal":"12:14","dayLengthHours":10.857134170755437,"dayLengthDisplay":"10 Hours 51 Mins 26 Secs","nightLengthDisplay":"13 Hours 08 Mins 34 Secs","moonriseLocal":"09:42","moonsetLocal":"19:46","rahuKala":{"name":"Rāhu Kāla","start":"12:14","end":"13:35","startHours":12.229542313513296,"endHours":13.586684084857726,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:09","end":"09:31","startHours":8.158116999480008,"endHours":9.515258770824436,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:52","end":"12:14","startHours":10.872400542168865,"endHours":12.229542313513296,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:20","end":"09:42","startHours":9.33430653464518,"endHours":9.696211007003694,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:15","end":"07:33","startHours":7.253355818583721,"endHours":7.542879396470532,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:35","startHours":11.867637841154782,"endHours":12.59144678587181,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:21","end":"06:05","startHours":5.353357338701519,"endHours":6.077166283418548,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:54","end":"06:48","startHours":5.896214047239291,"endHours":6.800975228135577,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:02","end":"14:46","startHours":14.03906467530587,"endHours":14.7628736200229,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:27","end":"17:51","startHours":17.458109398891015,"endHours":17.858109398891013,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:39","end":"18:07","startHours":17.658109398891014,"endHours":18.110489989339158,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:24","end":"19:09","startHours":17.408109398891014,"endHours":19.158109398891014,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:35","startHours":23.86763784115478,"endHours":24.59144678587181,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:48","end":"08:09","startHours":6.800975228135577,"endHours":8.158116999480008,"quality":"auspicious"},{"name":"Amṛta","start":"08:09","end":"09:31","startHours":8.158116999480008,"endHours":9.515258770824436,"quality":"auspicious"},{"name":"Kāla","start":"09:31","end":"10:52","startHours":9.515258770824436,"endHours":10.872400542168865,"quality":"inauspicious"},{"name":"Śubha","start":"10:52","end":"12:14","startHours":10.872400542168865,"endHours":12.229542313513296,"quality":"auspicious"},{"name":"Roga","start":"12:14","end":"13:35","startHours":12.229542313513296,"endHours":13.586684084857726,"quality":"inauspicious"},{"name":"Udveg","start":"13:35","end":"14:57","startHours":13.586684084857726,"endHours":14.943825856202155,"quality":"inauspicious"},{"name":"Chala","start":"14:57","end":"16:18","startHours":14.943825856202155,"endHours":16.300967627546584,"quality":"neutral"},{"name":"Labha","start":"16:18","end":"17:39","startHours":16.300967627546584,"endHours":17.658109398891014,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:39","end":"19:18","startHours":17.658109398891014,"endHours":19.300967627546584,"quality":"inauspicious"},{"name":"Chala","start":"19:18","end":"20:57","startHours":19.300967627546584,"endHours":20.943825856202153,"quality":"neutral"},{"name":"Labha","start":"20:57","end":"22:35","startHours":20.943825856202153,"endHours":22.586684084857726,"quality":"auspicious"},{"name":"Amṛta","start":"22:35","end":"00:14","startHours":22.586684084857726,"endHours":24.229542313513296,"quality":"auspicious"},{"name":"Kāla","start":"00:14","end":"01:52","startHours":24.229542313513296,"endHours":25.872400542168865,"quality":"inauspicious"},{"name":"Śubha","start":"01:52","end":"03:31","startHours":25.872400542168865,"endHours":27.51525877082444,"quality":"auspicious"},{"name":"Roga","start":"03:31","end":"05:09","startHours":27.51525877082444,"endHours":29.158116999480008,"quality":"inauspicious"},{"name":"Udveg","start":"05:09","end":"06:48","startHours":29.158116999480008,"endHours":30.800975228135577,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:48","end":"07:48","startHours":6.800975228135577,"endHours":7.800975228135577,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:48","end":"08:48","startHours":7.800975228135577,"endHours":8.800975228135577,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:48","end":"09:48","startHours":8.800975228135577,"endHours":9.800975228135577,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:48","end":"10:48","startHours":9.800975228135577,"endHours":10.800975228135577,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:48","end":"11:48","startHours":10.800975228135577,"endHours":11.800975228135577,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:48","end":"12:48","startHours":11.800975228135577,"endHours":12.800975228135577,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:48","end":"13:48","startHours":12.800975228135577,"endHours":13.800975228135577,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:48","end":"14:48","startHours":13.800975228135577,"endHours":14.800975228135577,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:48","end":"15:48","startHours":14.800975228135577,"endHours":15.800975228135577,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:48","end":"16:48","startHours":15.800975228135577,"endHours":16.800975228135577,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:48","end":"17:48","startHours":16.800975228135577,"endHours":17.800975228135577,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:48","end":"18:48","startHours":17.800975228135577,"endHours":18.800975228135577,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:48","end":"19:48","startHours":18.800975228135577,"endHours":19.800975228135577,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:48","end":"20:48","startHours":19.800975228135577,"endHours":20.800975228135577,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:48","end":"21:48","startHours":20.800975228135577,"endHours":21.800975228135577,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:48","end":"22:48","startHours":21.800975228135577,"endHours":22.800975228135577,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:48","end":"23:48","startHours":22.800975228135577,"endHours":23.800975228135577,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:48","end":"00:48","startHours":23.800975228135577,"endHours":24.800975228135577,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:48","end":"01:48","startHours":24.800975228135577,"endHours":25.800975228135577,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:48","end":"02:48","startHours":25.800975228135577,"endHours":26.800975228135577,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:48","end":"03:48","startHours":26.800975228135577,"endHours":27.800975228135577,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:48","end":"04:48","startHours":27.800975228135577,"endHours":28.800975228135577,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:48","end":"05:48","startHours":28.800975228135577,"endHours":29.800975228135577,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:48","end":"06:48","startHours":29.800975228135577,"endHours":30.800975228135577,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"South-West","anandadiYoga":{"name":"Mṛtyu","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":14.971509582031619,"eotMinutes":2.785461189202204,"ayanamsa":26.4838}},"calendars":{"vikram_samvat":2245,"vikram_samvatsara":"Plava","saka_samvat":2110,"saka_samvatsara":"Sarvadhāri","bengali_samvat":1595,"malayalam_era":1364,"nanakshahi_year":719,"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":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Caturthī · Vikram 2245 Plava · Śaka 2110 Sarvadhāri"},"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":"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 April 30, 2188 CE · Perth, Australia · Vidhyamitra","description":"April 30, 2188 CE for Perth, Australia: Śukla Caturthī, sūryodaya 06:48, sūryāsta 17:39.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2188-04-30","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2188-04-30","sa":"https://sa.vidhyamitra.com/city/perth/2188-04-30","hi":"https://hi.vidhyamitra.com/city/perth/2188-04-30","x-default":"https://vidhyamitra.com/city/perth/2188-04-30"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T10:27:05.366Z","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":"2026-05-31T10:27:05.366Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T10:27:05.366Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}