{"id":"vidhyamitra:city-day:perth:1958-01-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1958-01-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1958-01-04","date_display":"January 4, 1958 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":1958,"month":1,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2436207.770833,"kali_year":5059,"ahargana":1847742.2708,"sun":{"sidereal_longitude":259.803,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":56.1911,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":156.388,"elapsed_within_tithi_degrees":0.388},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":1,"moon_longitude":56.1911,"elapsed_within_degrees":2.8577},"yoga":{"number":24,"name":"Śukla","sum_longitude":315.9941},"karana":{"half_tithi_index":26,"name":"Gara"},"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":1958,"month":1,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2436207.770833,"ahargana":1847742.2708,"kali_year":5059,"ayanamsa_lahiri":23.2664,"grahas":{"sun":{"sidereal_longitude":259.908905,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":56.922304999999994,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false,"latitude":-2.7976},"mars":{"sidereal_longitude":225.652105,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":242.55690500000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":185.98060499999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":293.244905,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":true},"saturn":{"sidereal_longitude":236.935205,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":197.7225,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":17.7225,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","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":1958,"month":1,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2436207.770833,"kali_year":5059,"ahargana":1847742.2708,"sun":{"sidereal_longitude":259.803,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":56.1911,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":156.388,"elapsed_within_tithi_degrees":0.388},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":1,"moon_longitude":56.1911,"elapsed_within_degrees":2.8577},"yoga":{"number":24,"name":"Śukla","sum_longitude":315.9941},"karana":{"half_tithi_index":26,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.798,"elongation":156.388},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.798,"opposition_distance":23.612}},"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":"05:16","sunsetLocal":"19:27","solarNoonLocal":"12:22","dayLengthHours":14.1723968009794,"dayLengthDisplay":"14 Hours 10 Mins 21 Secs","nightLengthDisplay":"9 Hours 49 Mins 39 Secs","moonriseLocal":"17:48","moonsetLocal":"03:51","rahuKala":{"name":"Rāhu Kāla","start":"08:49","end":"10:35","startHours":8.816599247510919,"endHours":10.588148847633342,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:08","end":"15:54","startHours":14.131248047878191,"endHours":15.902797648000618,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:16","end":"07:03","startHours":5.273500047266068,"endHours":7.045049647388493,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:35","end":"09:03","startHours":8.58039263416126,"endHours":9.052805860860573,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:52","end":"06:15","startHours":5.864016580640209,"endHours":6.24194716199966,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:50","startHours":11.887285221056455,"endHours":12.832111674455081,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:23","end":"04:20","startHours":3.3838471404688146,"endHours":4.328673593867441,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:06","end":"05:16","startHours":4.092466980517784,"endHours":5.273500047266068,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:43","end":"15:40","startHours":14.721764581252334,"endHours":15.66659103465096,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:15","end":"19:39","startHours":19.24589684824547,"endHours":19.645896848245467,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:27","end":"20:02","startHours":19.445896848245468,"endHours":20.03641338161961,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:12","end":"20:57","startHours":19.195896848245468,"endHours":20.945896848245468,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:50","startHours":23.887285221056455,"endHours":24.83211167445508,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:16","end":"07:03","startHours":5.273500047266068,"endHours":7.045049647388493,"quality":"inauspicious"},{"name":"Śubha","start":"07:03","end":"08:49","startHours":7.045049647388493,"endHours":8.816599247510919,"quality":"auspicious"},{"name":"Roga","start":"08:49","end":"10:35","startHours":8.816599247510919,"endHours":10.588148847633342,"quality":"inauspicious"},{"name":"Udveg","start":"10:35","end":"12:22","startHours":10.588148847633342,"endHours":12.359698447755768,"quality":"inauspicious"},{"name":"Chala","start":"12:22","end":"14:08","startHours":12.359698447755768,"endHours":14.131248047878191,"quality":"neutral"},{"name":"Labha","start":"14:08","end":"15:54","startHours":14.131248047878191,"endHours":15.902797648000618,"quality":"auspicious"},{"name":"Amṛta","start":"15:54","end":"17:40","startHours":15.902797648000618,"endHours":17.67434724812304,"quality":"auspicious"},{"name":"Kāla","start":"17:40","end":"19:27","startHours":17.67434724812304,"endHours":19.445896848245468,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"19:27","end":"20:40","startHours":19.445896848245468,"endHours":20.67434724812304,"quality":"auspicious"},{"name":"Amṛta","start":"20:40","end":"21:54","startHours":20.67434724812304,"endHours":21.902797648000618,"quality":"auspicious"},{"name":"Kāla","start":"21:54","end":"23:08","startHours":21.902797648000618,"endHours":23.131248047878195,"quality":"inauspicious"},{"name":"Śubha","start":"23:08","end":"00:22","startHours":23.131248047878195,"endHours":24.35969844775577,"quality":"auspicious"},{"name":"Roga","start":"00:22","end":"01:35","startHours":24.35969844775577,"endHours":25.58814884763334,"quality":"inauspicious"},{"name":"Udveg","start":"01:35","end":"02:49","startHours":25.58814884763334,"endHours":26.81659924751092,"quality":"inauspicious"},{"name":"Chala","start":"02:49","end":"04:03","startHours":26.81659924751092,"endHours":28.045049647388495,"quality":"neutral"},{"name":"Labha","start":"04:03","end":"05:16","startHours":28.045049647388495,"endHours":29.27350004726607,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:16","end":"06:16","startHours":5.273500047266068,"endHours":6.273500047266068,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:16","end":"07:16","startHours":6.273500047266068,"endHours":7.273500047266068,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:16","end":"08:16","startHours":7.273500047266068,"endHours":8.273500047266069,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:16","end":"09:16","startHours":8.273500047266069,"endHours":9.273500047266069,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:16","end":"10:16","startHours":9.273500047266069,"endHours":10.273500047266069,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:16","end":"11:16","startHours":10.273500047266069,"endHours":11.273500047266069,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:16","end":"12:16","startHours":11.273500047266069,"endHours":12.273500047266069,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:16","end":"13:16","startHours":12.273500047266069,"endHours":13.273500047266069,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:16","end":"14:16","startHours":13.273500047266069,"endHours":14.273500047266069,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:16","end":"15:16","startHours":14.273500047266069,"endHours":15.273500047266069,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:16","end":"16:16","startHours":15.273500047266069,"endHours":16.27350004726607,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:16","end":"17:16","startHours":16.27350004726607,"endHours":17.27350004726607,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:16","end":"18:16","startHours":17.27350004726607,"endHours":18.27350004726607,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:16","end":"19:16","startHours":18.27350004726607,"endHours":19.27350004726607,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:16","end":"20:16","startHours":19.27350004726607,"endHours":20.27350004726607,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:16","end":"21:16","startHours":20.27350004726607,"endHours":21.27350004726607,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:16","end":"22:16","startHours":21.27350004726607,"endHours":22.27350004726607,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:16","end":"23:16","startHours":22.27350004726607,"endHours":23.27350004726607,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:16","end":"00:16","startHours":23.27350004726607,"endHours":24.27350004726607,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:16","end":"01:16","startHours":24.27350004726607,"endHours":25.27350004726607,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:16","end":"02:16","startHours":25.27350004726607,"endHours":26.27350004726607,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:16","end":"03:16","startHours":26.27350004726607,"endHours":27.27350004726607,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:16","end":"04:16","startHours":27.27350004726607,"endHours":28.27350004726607,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:16","end":"05:16","startHours":28.27350004726607,"endHours":29.27350004726607,"planetary_lord":"Mercury"}],"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":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"East","anandadiYoga":{"name":"Ānanda","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-22.784304756549574,"eotMinutes":-5.02390686534617,"ayanamsa":23.2664}},"calendars":{"vikram_samvat":2015,"vikram_samvatsara":"Virodhakṛt","saka_samvat":1880,"saka_samvatsara":"Vilambī","bengali_samvat":1365,"malayalam_era":1134,"nanakshahi_year":489,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Caturdaśī · Vikram 2015 Virodhakṛt · Śaka 1880 Vilambī"},"festivals":[],"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 January 4, 1958 CE · Perth, Australia · Vidhyamitra","description":"January 4, 1958 CE for Perth, Australia: Śukla Caturdaśī, sūryodaya 05:16, sūryāsta 19:27.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1958-01-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1958-01-04","sa":"https://sa.vidhyamitra.com/city/perth/1958-01-04","hi":"https://hi.vidhyamitra.com/city/perth/1958-01-04","x-default":"https://vidhyamitra.com/city/perth/1958-01-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T14:27:32.048Z","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":"2026-06-01T14:27:32.048Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T14:27:32.048Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}