{"id":"vidhyamitra:city-day:perth:1901-05-30:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1901-05-30","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1901-05-30","date_display":"May 30, 1901 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":1901,"month":5,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2415534.770833,"kali_year":5003,"ahargana":1827069.2708,"sun":{"sidereal_longitude":45.5597,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":186.934,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":141.3743,"elapsed_within_tithi_degrees":9.3743},"nakshatra":{"number":15,"name":"Svātī","pada":1,"moon_longitude":186.934,"elapsed_within_degrees":0.2673},"yoga":{"number":18,"name":"Varīyān","sum_longitude":232.4936},"karana":{"half_tithi_index":23,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":1901,"month":5,"day":30,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2415534.770833,"ahargana":1827069.2708,"kali_year":5003,"ayanamsa_lahiri":22.4757,"grahas":{"sun":{"sidereal_longitude":45.44516600000003,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":188.460466,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false,"latitude":-1.9812},"mars":{"sidereal_longitude":136.183066,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":63.79836599999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":260.68126600000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":54.577966,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":264.324166,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":213.0776,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":33.0776,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"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":1901,"month":5,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2415534.770833,"kali_year":5003,"ahargana":1827069.2708,"sun":{"sidereal_longitude":45.5597,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":186.934,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":141.3743,"elapsed_within_tithi_degrees":9.3743},"nakshatra":{"number":15,"name":"Svātī","pada":1,"moon_longitude":186.934,"elapsed_within_degrees":0.2673},"yoga":{"number":18,"name":"Varīyān","sum_longitude":232.4936},"karana":{"half_tithi_index":23,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.981,"elongation":141.374},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.981,"opposition_distance":38.626}},"eclipse_window_40days":[{"offset_days":-12,"type":"solar","occurs":true,"moon_latitude":0.116,"elongation":1.881}]},"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":"07:07","sunsetLocal":"17:21","solarNoonLocal":"12:14","dayLengthHours":10.23617361140952,"dayLengthDisplay":"10 Hours 14 Mins 10 Secs","nightLengthDisplay":"13 Hours 45 Mins 50 Secs","moonriseLocal":"15:13","moonsetLocal":"04:19","rahuKala":{"name":"Rāhu Kāla","start":"13:31","end":"14:47","startHours":13.511533972565633,"endHours":14.791055673991822,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:07","end":"08:24","startHours":7.113925465434683,"endHours":8.393447166860874,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:40","end":"10:57","startHours":9.672968868287063,"endHours":10.952490569713252,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:30","end":"09:51","startHours":9.50236597476357,"endHours":9.843571761810555,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:32","end":"07:49","startHours":7.5404326992434125,"endHours":7.813397328881,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:34","startHours":11.890806484092458,"endHours":12.573218058186427,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:45","end":"06:26","startHours":5.749102317246747,"endHours":6.431513891340715,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:16","end":"07:07","startHours":6.260910997817223,"endHours":7.113925465434683,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:56","end":"14:37","startHours":13.938041206374361,"endHours":14.620452780468328,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:09","end":"17:33","startHours":17.150099076844203,"endHours":17.5500990768442,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:21","end":"17:47","startHours":17.350099076844202,"endHours":17.776606310652934,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:06","end":"18:51","startHours":17.100099076844202,"endHours":18.850099076844202,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:34","startHours":23.890806484092458,"endHours":24.573218058186427,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:07","end":"08:24","startHours":7.113925465434683,"endHours":8.393447166860874,"quality":"auspicious"},{"name":"Roga","start":"08:24","end":"09:40","startHours":8.393447166860874,"endHours":9.672968868287063,"quality":"inauspicious"},{"name":"Udveg","start":"09:40","end":"10:57","startHours":9.672968868287063,"endHours":10.952490569713252,"quality":"inauspicious"},{"name":"Chala","start":"10:57","end":"12:14","startHours":10.952490569713252,"endHours":12.232012271139443,"quality":"neutral"},{"name":"Labha","start":"12:14","end":"13:31","startHours":12.232012271139443,"endHours":13.511533972565633,"quality":"auspicious"},{"name":"Amṛta","start":"13:31","end":"14:47","startHours":13.511533972565633,"endHours":14.791055673991822,"quality":"auspicious"},{"name":"Kāla","start":"14:47","end":"16:04","startHours":14.791055673991822,"endHours":16.07057737541801,"quality":"inauspicious"},{"name":"Śubha","start":"16:04","end":"17:21","startHours":16.07057737541801,"endHours":17.350099076844202,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:21","end":"19:04","startHours":17.350099076844202,"endHours":19.07057737541801,"quality":"auspicious"},{"name":"Kāla","start":"19:04","end":"20:47","startHours":19.07057737541801,"endHours":20.79105567399182,"quality":"inauspicious"},{"name":"Śubha","start":"20:47","end":"22:31","startHours":20.79105567399182,"endHours":22.511533972565633,"quality":"auspicious"},{"name":"Roga","start":"22:31","end":"00:14","startHours":22.511533972565633,"endHours":24.232012271139443,"quality":"inauspicious"},{"name":"Udveg","start":"00:14","end":"01:57","startHours":24.232012271139443,"endHours":25.95249056971325,"quality":"inauspicious"},{"name":"Chala","start":"01:57","end":"03:40","startHours":25.95249056971325,"endHours":27.672968868287064,"quality":"neutral"},{"name":"Labha","start":"03:40","end":"05:24","startHours":27.672968868287064,"endHours":29.393447166860874,"quality":"auspicious"},{"name":"Amṛta","start":"05:24","end":"07:07","startHours":29.393447166860874,"endHours":31.113925465434683,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:07","end":"08:07","startHours":7.113925465434683,"endHours":8.113925465434683,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:07","end":"09:07","startHours":8.113925465434683,"endHours":9.113925465434683,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:07","end":"10:07","startHours":9.113925465434683,"endHours":10.113925465434683,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:07","end":"11:07","startHours":10.113925465434683,"endHours":11.113925465434683,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:07","end":"12:07","startHours":11.113925465434683,"endHours":12.113925465434683,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:07","end":"13:07","startHours":12.113925465434683,"endHours":13.113925465434683,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:07","end":"14:07","startHours":13.113925465434683,"endHours":14.113925465434683,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:07","end":"15:07","startHours":14.113925465434683,"endHours":15.113925465434683,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:07","end":"16:07","startHours":15.113925465434683,"endHours":16.113925465434683,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:07","end":"17:07","startHours":16.113925465434683,"endHours":17.113925465434683,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:07","end":"18:07","startHours":17.113925465434683,"endHours":18.113925465434683,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:07","end":"19:07","startHours":18.113925465434683,"endHours":19.113925465434683,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:07","end":"20:07","startHours":19.113925465434683,"endHours":20.113925465434683,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:07","end":"21:07","startHours":20.113925465434683,"endHours":21.113925465434683,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:07","end":"22:07","startHours":21.113925465434683,"endHours":22.113925465434683,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:07","end":"23:07","startHours":22.113925465434683,"endHours":23.113925465434683,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:07","end":"00:07","startHours":23.113925465434683,"endHours":24.113925465434683,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:07","end":"01:07","startHours":24.113925465434683,"endHours":25.113925465434683,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:07","end":"02:07","startHours":25.113925465434683,"endHours":26.113925465434683,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:07","end":"03:07","startHours":26.113925465434683,"endHours":27.113925465434683,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:07","end":"04:07","startHours":27.113925465434683,"endHours":28.113925465434683,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:07","end":"05:07","startHours":28.113925465434683,"endHours":29.113925465434683,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:07","end":"06:07","startHours":29.113925465434683,"endHours":30.113925465434683,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:07","end":"07:07","startHours":30.113925465434683,"endHours":31.113925465434683,"planetary_lord":"Moon"}],"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","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"North","rahuVasa":"North-West","anandadiYoga":{"name":"Dhūmra","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":21.62714325979666,"eotMinutes":2.6372637316334417,"ayanamsa":22.4757}},"calendars":{"vikram_samvat":1958,"vikram_samvatsara":"Ānanda","saka_samvat":1823,"saka_samvatsara":"Plava","bengali_samvat":1308,"malayalam_era":1077,"nanakshahi_year":432,"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 Dvādaśī · Vikram 1958 Ānanda · Śaka 1823 Plava"},"festivals":[],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 30, 1901 CE · Perth, Australia · Vidhyamitra","description":"May 30, 1901 CE for Perth, Australia: Śukla Dvādaśī, sūryodaya 07:07, sūryāsta 17:21.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1901-05-30","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1901-05-30","sa":"https://sa.vidhyamitra.com/city/perth/1901-05-30","hi":"https://hi.vidhyamitra.com/city/perth/1901-05-30","x-default":"https://vidhyamitra.com/city/perth/1901-05-30"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T20:01:33.853Z","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":"2026-06-01T20:01:33.853Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T20:01:33.853Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}