{"id":"vidhyamitra:city-day:perth:1963-05-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1963-05-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1963-05-04","date_display":"May 4, 1963 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":1963,"month":5,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438153.770833,"kali_year":5065,"ahargana":1849688.2708,"sun":{"sidereal_longitude":19.6651,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":146.2418,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":126.5768,"elapsed_within_tithi_degrees":6.5768},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":146.2418,"elapsed_within_degrees":12.9085},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":165.9069},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":1963,"month":5,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2438153.770833,"ahargana":1849688.2708,"kali_year":5065,"ayanamsa_lahiri":23.3408,"grahas":{"sun":{"sidereal_longitude":19.53355399999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":148.285254,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false,"latitude":3.5266},"mars":{"sidereal_longitude":113.54385400000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":37.636153999999976,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":344.262754,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":349.106154,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":299.70255399999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":94.6141,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":274.6141,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":1963,"month":5,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438153.770833,"kali_year":5065,"ahargana":1849688.2708,"sun":{"sidereal_longitude":19.6651,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":146.2418,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":126.5768,"elapsed_within_tithi_degrees":6.5768},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":146.2418,"elapsed_within_degrees":12.9085},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":165.9069},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.527,"elongation":126.577},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.527,"opposition_distance":53.423}},"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":"06:50","sunsetLocal":"17:37","solarNoonLocal":"12:13","dayLengthHours":10.791624160050553,"dayLengthDisplay":"10 Hours 47 Mins 30 Secs","nightLengthDisplay":"13 Hours 12 Mins 30 Secs","moonriseLocal":"14:54","moonsetLocal":"02:43","rahuKala":{"name":"Rāhu Kāla","start":"09:31","end":"10:52","startHours":9.52375299968603,"endHours":10.872706019692348,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:34","end":"14:55","startHours":13.570612059704988,"endHours":14.919565079711306,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:50","end":"08:10","startHours":6.825846959673392,"endHours":8.174799979679712,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:21","end":"09:42","startHours":9.34389259701852,"endHours":9.70361340235354,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:17","end":"07:34","startHours":7.275497966342165,"endHours":7.56327461061018,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:35","startHours":11.86193823436365,"endHours":12.581379845033686,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:23","end":"06:06","startHours":5.386963738333318,"endHours":6.106405349003355,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:56","end":"06:50","startHours":5.926544946335846,"endHours":6.825846959673392,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:01","end":"14:44","startHours":14.020263066373762,"endHours":14.739704677043798,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:25","end":"17:49","startHours":17.417471119723945,"endHours":17.817471119723944,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:37","end":"18:04","startHours":17.617471119723945,"endHours":18.067122126392718,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:22","end":"19:07","startHours":17.367471119723945,"endHours":19.117471119723945,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:35","startHours":23.86193823436365,"endHours":24.581379845033688,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:50","end":"08:10","startHours":6.825846959673392,"endHours":8.174799979679712,"quality":"inauspicious"},{"name":"Śubha","start":"08:10","end":"09:31","startHours":8.174799979679712,"endHours":9.52375299968603,"quality":"auspicious"},{"name":"Roga","start":"09:31","end":"10:52","startHours":9.52375299968603,"endHours":10.872706019692348,"quality":"inauspicious"},{"name":"Udveg","start":"10:52","end":"12:13","startHours":10.872706019692348,"endHours":12.221659039698668,"quality":"inauspicious"},{"name":"Chala","start":"12:13","end":"13:34","startHours":12.221659039698668,"endHours":13.570612059704988,"quality":"neutral"},{"name":"Labha","start":"13:34","end":"14:55","startHours":13.570612059704988,"endHours":14.919565079711306,"quality":"auspicious"},{"name":"Amṛta","start":"14:55","end":"16:16","startHours":14.919565079711306,"endHours":16.268518099717625,"quality":"auspicious"},{"name":"Kāla","start":"16:16","end":"17:37","startHours":16.268518099717625,"endHours":17.617471119723945,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:37","end":"19:16","startHours":17.617471119723945,"endHours":19.268518099717625,"quality":"auspicious"},{"name":"Amṛta","start":"19:16","end":"20:55","startHours":19.268518099717625,"endHours":20.919565079711305,"quality":"auspicious"},{"name":"Kāla","start":"20:55","end":"22:34","startHours":20.919565079711305,"endHours":22.570612059704988,"quality":"inauspicious"},{"name":"Śubha","start":"22:34","end":"00:13","startHours":22.570612059704988,"endHours":24.221659039698668,"quality":"auspicious"},{"name":"Roga","start":"00:13","end":"01:52","startHours":24.221659039698668,"endHours":25.872706019692348,"quality":"inauspicious"},{"name":"Udveg","start":"01:52","end":"03:31","startHours":25.872706019692348,"endHours":27.52375299968603,"quality":"inauspicious"},{"name":"Chala","start":"03:31","end":"05:10","startHours":27.52375299968603,"endHours":29.17479997967971,"quality":"neutral"},{"name":"Labha","start":"05:10","end":"06:50","startHours":29.17479997967971,"endHours":30.82584695967339,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:50","end":"07:50","startHours":6.825846959673392,"endHours":7.825846959673392,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:50","end":"08:50","startHours":7.825846959673392,"endHours":8.825846959673392,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:50","end":"09:50","startHours":8.825846959673392,"endHours":9.825846959673392,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:50","end":"10:50","startHours":9.825846959673392,"endHours":10.825846959673392,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:50","end":"11:50","startHours":10.825846959673392,"endHours":11.825846959673392,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:50","end":"12:50","startHours":11.825846959673392,"endHours":12.825846959673392,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:50","end":"13:50","startHours":12.825846959673392,"endHours":13.825846959673392,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:50","end":"14:50","startHours":13.825846959673392,"endHours":14.825846959673392,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:50","end":"15:50","startHours":14.825846959673392,"endHours":15.825846959673392,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:50","end":"16:50","startHours":15.825846959673392,"endHours":16.82584695967339,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:50","end":"17:50","startHours":16.82584695967339,"endHours":17.82584695967339,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:50","end":"18:50","startHours":17.82584695967339,"endHours":18.82584695967339,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:50","end":"19:50","startHours":18.82584695967339,"endHours":19.82584695967339,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:50","end":"20:50","startHours":19.82584695967339,"endHours":20.82584695967339,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:50","end":"21:50","startHours":20.82584695967339,"endHours":21.82584695967339,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:50","end":"22:50","startHours":21.82584695967339,"endHours":22.82584695967339,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:50","end":"23:50","startHours":22.82584695967339,"endHours":23.82584695967339,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:50","end":"00:50","startHours":23.82584695967339,"endHours":24.82584695967339,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:50","end":"01:50","startHours":24.82584695967339,"endHours":25.82584695967339,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:50","end":"02:50","startHours":25.82584695967339,"endHours":26.82584695967339,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:50","end":"03:50","startHours":26.82584695967339,"endHours":27.82584695967339,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:50","end":"04:50","startHours":27.82584695967339,"endHours":28.82584695967339,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:50","end":"05:50","startHours":28.82584695967339,"endHours":29.82584695967339,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:50","end":"06:50","startHours":29.82584695967339,"endHours":30.82584695967339,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"West","rahuVasa":"East","anandadiYoga":{"name":"Dhvaja","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":15.700827302136906,"eotMinutes":3.258457618079846,"ayanamsa":23.3408}},"calendars":{"vikram_samvat":2020,"vikram_samvatsara":"Nala","saka_samvat":1885,"saka_samvatsara":"Śobhana","bengali_samvat":1370,"malayalam_era":1139,"nanakshahi_year":494,"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 Ekādaśī · Vikram 2020 Nala · Śaka 1885 Śobhana"},"festivals":[{"id":"mohini-ekadashi","name":"Mohinī Ekādaśī","name_sanskrit":"मोहिनी एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu (Mohinī form)","significance":"Mohinī-form of Viṣṇu deceived asuras during samudra-mathana for amṛta.","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":3,"sources":["Bhāgavata 8.9"]},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 4, 1963 CE · Perth, Australia · Vidhyamitra","description":"May 4, 1963 CE for Perth, Australia: Śukla Ekādaśī, sūryodaya 06:50, sūryāsta 17:37.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1963-05-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1963-05-04","sa":"https://sa.vidhyamitra.com/city/perth/1963-05-04","hi":"https://hi.vidhyamitra.com/city/perth/1963-05-04","x-default":"https://vidhyamitra.com/city/perth/1963-05-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T11:26:53.200Z","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":"2026-05-31T11:26:53.200Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T11:26:53.200Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}