{"id":"vidhyamitra:city-day:perth:2180-04-30:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2180-04-30","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2180-04-30","date_display":"April 30, 2180 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":2180,"month":4,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517408.770833,"kali_year":5282,"ahargana":1928943.2708,"sun":{"sidereal_longitude":13.7251,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":73.6683,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":59.9432,"elapsed_within_tithi_degrees":11.9432},"nakshatra":{"number":6,"name":"Ārdrā","pada":3,"moon_longitude":73.6683,"elapsed_within_degrees":7.0016},"yoga":{"number":7,"name":"Sukarma","sum_longitude":87.3934},"karana":{"half_tithi_index":9,"name":"Bālava"},"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":2180,"month":4,"day":30,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2517408.770833,"ahargana":1928943.2708,"kali_year":5282,"ayanamsa_lahiri":26.372,"grahas":{"sun":{"sidereal_longitude":14.071829999999977,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":69.87212999999997,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false,"latitude":-2.7913},"mars":{"sidereal_longitude":315.15913,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":31.538729999999987,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":75.94843000000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":354.92873,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":64.48833000000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":215.3028,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":35.3028,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"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":2180,"month":4,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517408.770833,"kali_year":5282,"ahargana":1928943.2708,"sun":{"sidereal_longitude":13.7251,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":73.6683,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":59.9432,"elapsed_within_tithi_degrees":11.9432},"nakshatra":{"number":6,"name":"Ārdrā","pada":3,"moon_longitude":73.6683,"elapsed_within_degrees":7.0016},"yoga":{"number":7,"name":"Sukarma","sum_longitude":87.3934},"karana":{"half_tithi_index":9,"name":"Bālava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.791,"elongation":59.943},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.791,"opposition_distance":120.057}},"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":"17:40","solarNoonLocal":"12:14","dayLengthHours":10.858878392693692,"dayLengthDisplay":"10 Hours 51 Mins 32 Secs","nightLengthDisplay":"13 Hours 08 Mins 28 Secs","moonriseLocal":"10:56","moonsetLocal":"20:58","rahuKala":{"name":"Rāhu Kāla","start":"16:18","end":"17:40","startHours":16.30162171077343,"endHours":17.65898150986014,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:14","end":"13:35","startHours":12.229542313513296,"endHours":13.586902112600006,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:57","end":"16:18","startHours":14.944261911686718,"endHours":16.30162171077343,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:20","end":"09:42","startHours":9.333841408794978,"endHours":9.695804021884767,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:15","end":"07:33","startHours":7.252556383528686,"endHours":7.5421264740005185,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:35","startHours":11.867579700423505,"endHours":12.591504926603086,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:21","end":"06:05","startHours":5.35225266480729,"endHours":6.07617789098687,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:54","end":"06:48","startHours":5.895196584441974,"endHours":6.800103117166449,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:02","end":"14:46","startHours":14.039355378962243,"endHours":14.763280605141823,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:28","end":"17:52","startHours":17.45898150986014,"endHours":17.85898150986014,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:40","end":"18:07","startHours":17.65898150986014,"endHours":18.111434776222378,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:25","end":"19:10","startHours":17.40898150986014,"endHours":19.15898150986014,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:35","startHours":23.867579700423505,"endHours":24.591504926603086,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:48","end":"08:09","startHours":6.800103117166449,"endHours":8.157462916253161,"quality":"inauspicious"},{"name":"Chala","start":"08:09","end":"09:31","startHours":8.157462916253161,"endHours":9.514822715339871,"quality":"neutral"},{"name":"Labha","start":"09:31","end":"10:52","startHours":9.514822715339871,"endHours":10.872182514426584,"quality":"auspicious"},{"name":"Amṛta","start":"10:52","end":"12:14","startHours":10.872182514426584,"endHours":12.229542313513296,"quality":"auspicious"},{"name":"Kāla","start":"12:14","end":"13:35","startHours":12.229542313513296,"endHours":13.586902112600006,"quality":"inauspicious"},{"name":"Śubha","start":"13:35","end":"14:57","startHours":13.586902112600006,"endHours":14.944261911686718,"quality":"auspicious"},{"name":"Roga","start":"14:57","end":"16:18","startHours":14.944261911686718,"endHours":16.30162171077343,"quality":"inauspicious"},{"name":"Udveg","start":"16:18","end":"17:40","startHours":16.30162171077343,"endHours":17.65898150986014,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:40","end":"19:18","startHours":17.65898150986014,"endHours":19.30162171077343,"quality":"auspicious"},{"name":"Roga","start":"19:18","end":"20:57","startHours":19.30162171077343,"endHours":20.944261911686716,"quality":"inauspicious"},{"name":"Udveg","start":"20:57","end":"22:35","startHours":20.944261911686716,"endHours":22.586902112600008,"quality":"inauspicious"},{"name":"Chala","start":"22:35","end":"00:14","startHours":22.586902112600008,"endHours":24.229542313513296,"quality":"neutral"},{"name":"Labha","start":"00:14","end":"01:52","startHours":24.229542313513296,"endHours":25.872182514426584,"quality":"auspicious"},{"name":"Amṛta","start":"01:52","end":"03:31","startHours":25.872182514426584,"endHours":27.51482271533987,"quality":"auspicious"},{"name":"Kāla","start":"03:31","end":"05:09","startHours":27.51482271533987,"endHours":29.15746291625316,"quality":"inauspicious"},{"name":"Śubha","start":"05:09","end":"06:48","startHours":29.15746291625316,"endHours":30.80010311716645,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:48","end":"07:48","startHours":6.800103117166449,"endHours":7.800103117166449,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:48","end":"08:48","startHours":7.800103117166449,"endHours":8.800103117166449,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:48","end":"09:48","startHours":8.800103117166449,"endHours":9.800103117166449,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:48","end":"10:48","startHours":9.800103117166449,"endHours":10.800103117166449,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:48","end":"11:48","startHours":10.800103117166449,"endHours":11.800103117166449,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:48","end":"12:48","startHours":11.800103117166449,"endHours":12.800103117166449,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:48","end":"13:48","startHours":12.800103117166449,"endHours":13.800103117166449,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:48","end":"14:48","startHours":13.800103117166449,"endHours":14.800103117166449,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:48","end":"15:48","startHours":14.800103117166449,"endHours":15.800103117166449,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:48","end":"16:48","startHours":15.800103117166449,"endHours":16.80010311716645,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:48","end":"17:48","startHours":16.80010311716645,"endHours":17.80010311716645,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:48","end":"18:48","startHours":17.80010311716645,"endHours":18.80010311716645,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:48","end":"19:48","startHours":18.80010311716645,"endHours":19.80010311716645,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:48","end":"20:48","startHours":19.80010311716645,"endHours":20.80010311716645,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:48","end":"21:48","startHours":20.80010311716645,"endHours":21.80010311716645,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:48","end":"22:48","startHours":21.80010311716645,"endHours":22.80010311716645,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:48","end":"23:48","startHours":22.80010311716645,"endHours":23.80010311716645,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:48","end":"00:48","startHours":23.80010311716645,"endHours":24.80010311716645,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:48","end":"01:48","startHours":24.80010311716645,"endHours":25.80010311716645,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:48","end":"02:48","startHours":25.80010311716645,"endHours":26.80010311716645,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:48","end":"03:48","startHours":26.80010311716645,"endHours":27.80010311716645,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:48","end":"04:48","startHours":27.80010311716645,"endHours":28.80010311716645,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:48","end":"05:48","startHours":28.80010311716645,"endHours":29.80010311716645,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:48","end":"06:48","startHours":29.80010311716645,"endHours":30.80010311716645,"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":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":14.952012375174213,"eotMinutes":2.785461189202204,"ayanamsa":26.372}},"calendars":{"vikram_samvat":2237,"vikram_samvatsara":"Vijaya","saka_samvat":2102,"saka_samvatsara":"Vikrama","bengali_samvat":1587,"malayalam_era":1356,"nanakshahi_year":711,"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 Pañcamī · Vikram 2237 Vijaya · Śaka 2102 Vikrama"},"festivals":[{"id":"shankara-jayanti","name":"Ādi Śaṅkarācārya Jayantī","name_sanskrit":"आदि शङ्कराचार्य जयन्ती","tradition":"Smarta","associated_deity":"Ādi Śaṅkarācārya","significance":"Birth of Ādi Śaṅkara at Kāladī, Kerala; Advaita-pratiṣṭhāpaka.","vrata":false,"detection":{"tithi_number":5,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":3}],"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 April 30, 2180 CE · Perth, Australia · Vidhyamitra","description":"April 30, 2180 CE for Perth, Australia: Śukla Pañcamī, sūryodaya 06:48, sūryāsta 17:40.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2180-04-30","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2180-04-30","sa":"https://sa.vidhyamitra.com/city/perth/2180-04-30","hi":"https://hi.vidhyamitra.com/city/perth/2180-04-30","x-default":"https://vidhyamitra.com/city/perth/2180-04-30"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T04:42:53.553Z","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":"2026-06-02T04:42:53.553Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T04:42:53.553Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}