{"id":"vidhyamitra:city-day:perth:1979-06-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1979-06-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1979-06-04","date_display":"June 4, 1979 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":1979,"month":6,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444028.770833,"kali_year":5081,"ahargana":1855563.2708,"sun":{"sidereal_longitude":49.1911,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":152.4486,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":103.2575,"elapsed_within_tithi_degrees":7.2575},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":152.4486,"elapsed_within_degrees":5.782},"yoga":{"number":16,"name":"Siddhi","sum_longitude":201.6398},"karana":{"half_tithi_index":17,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":1979,"month":6,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444028.770833,"ahargana":1855563.2708,"kali_year":5081,"ayanamsa_lahiri":23.5655,"grahas":{"sun":{"sidereal_longitude":49.287285999999995,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":151.371286,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false,"latitude":0.7126},"mars":{"sidereal_longitude":20.71668599999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":55.75898599999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":101.892786,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"venus":{"sidereal_longitude":27.361286000000007,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":133.893286,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":143.3283,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":323.3283,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","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":1979,"month":6,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444028.770833,"kali_year":5081,"ahargana":1855563.2708,"sun":{"sidereal_longitude":49.1911,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":152.4486,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":103.2575,"elapsed_within_tithi_degrees":7.2575},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":152.4486,"elapsed_within_degrees":5.782},"yoga":{"number":16,"name":"Siddhi","sum_longitude":201.6398},"karana":{"half_tithi_index":17,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.713,"elongation":103.257},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.713,"opposition_distance":76.743}},"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":"07:10","sunsetLocal":"17:20","solarNoonLocal":"12:15","dayLengthHours":10.16630397554259,"dayLengthDisplay":"10 Hours 09 Mins 59 Secs","nightLengthDisplay":"13 Hours 50 Mins 01 Secs","moonriseLocal":"13:05","moonsetLocal":"01:01","rahuKala":{"name":"Rāhu Kāla","start":"08:26","end":"09:42","startHours":8.432177454958506,"endHours":9.702965451901328,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:58","end":"12:15","startHours":10.973753448844153,"endHours":12.244541445786975,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:31","end":"14:47","startHours":13.5153294427298,"endHours":14.786117439672623,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:32","end":"09:52","startHours":9.533527052308951,"endHours":9.872403851493704,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:35","end":"07:51","startHours":7.584985456996622,"endHours":7.856086896344425,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:35","startHours":11.905664646602222,"endHours":12.583418244971728,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:48","end":"06:29","startHours":5.805882261276669,"endHours":6.483635859646175,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:19","end":"07:10","startHours":6.314197460053799,"endHours":7.161389458015681,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:56","end":"14:37","startHours":13.93892544171074,"endHours":14.616679040080246,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:08","end":"17:32","startHours":17.12769343355827,"endHours":17.52769343355827,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:20","end":"17:45","startHours":17.32769343355827,"endHours":17.75128943253921,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:05","end":"18:50","startHours":17.07769343355827,"endHours":18.82769343355827,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:35","startHours":23.905664646602222,"endHours":24.58341824497173,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:10","end":"08:26","startHours":7.161389458015681,"endHours":8.432177454958506,"quality":"auspicious"},{"name":"Kāla","start":"08:26","end":"09:42","startHours":8.432177454958506,"endHours":9.702965451901328,"quality":"inauspicious"},{"name":"Śubha","start":"09:42","end":"10:58","startHours":9.702965451901328,"endHours":10.973753448844153,"quality":"auspicious"},{"name":"Roga","start":"10:58","end":"12:15","startHours":10.973753448844153,"endHours":12.244541445786975,"quality":"inauspicious"},{"name":"Udveg","start":"12:15","end":"13:31","startHours":12.244541445786975,"endHours":13.5153294427298,"quality":"inauspicious"},{"name":"Chala","start":"13:31","end":"14:47","startHours":13.5153294427298,"endHours":14.786117439672623,"quality":"neutral"},{"name":"Labha","start":"14:47","end":"16:03","startHours":14.786117439672623,"endHours":16.05690543661545,"quality":"auspicious"},{"name":"Amṛta","start":"16:03","end":"17:20","startHours":16.05690543661545,"endHours":17.32769343355827,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:20","end":"19:03","startHours":17.32769343355827,"endHours":19.056905436615445,"quality":"neutral"},{"name":"Labha","start":"19:03","end":"20:47","startHours":19.056905436615445,"endHours":20.786117439672623,"quality":"auspicious"},{"name":"Amṛta","start":"20:47","end":"22:31","startHours":20.786117439672623,"endHours":22.5153294427298,"quality":"auspicious"},{"name":"Kāla","start":"22:31","end":"00:15","startHours":22.5153294427298,"endHours":24.244541445786975,"quality":"inauspicious"},{"name":"Śubha","start":"00:15","end":"01:58","startHours":24.244541445786975,"endHours":25.97375344884415,"quality":"auspicious"},{"name":"Roga","start":"01:58","end":"03:42","startHours":25.97375344884415,"endHours":27.702965451901328,"quality":"inauspicious"},{"name":"Udveg","start":"03:42","end":"05:26","startHours":27.702965451901328,"endHours":29.432177454958506,"quality":"inauspicious"},{"name":"Chala","start":"05:26","end":"07:10","startHours":29.432177454958506,"endHours":31.16138945801568,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:10","end":"08:10","startHours":7.161389458015681,"endHours":8.16138945801568,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:10","end":"09:10","startHours":8.16138945801568,"endHours":9.16138945801568,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:10","end":"10:10","startHours":9.16138945801568,"endHours":10.16138945801568,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:10","end":"11:10","startHours":10.16138945801568,"endHours":11.16138945801568,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:10","end":"12:10","startHours":11.16138945801568,"endHours":12.16138945801568,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:10","end":"13:10","startHours":12.16138945801568,"endHours":13.16138945801568,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:10","end":"14:10","startHours":13.16138945801568,"endHours":14.16138945801568,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:10","end":"15:10","startHours":14.16138945801568,"endHours":15.16138945801568,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:10","end":"16:10","startHours":15.16138945801568,"endHours":16.16138945801568,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:10","end":"17:10","startHours":16.16138945801568,"endHours":17.16138945801568,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:10","end":"18:10","startHours":17.16138945801568,"endHours":18.16138945801568,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:10","end":"19:10","startHours":18.16138945801568,"endHours":19.16138945801568,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:10","end":"20:10","startHours":19.16138945801568,"endHours":20.16138945801568,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:10","end":"21:10","startHours":20.16138945801568,"endHours":21.16138945801568,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:10","end":"22:10","startHours":21.16138945801568,"endHours":22.16138945801568,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:10","end":"23:10","startHours":22.16138945801568,"endHours":23.16138945801568,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:10","end":"00:10","startHours":23.16138945801568,"endHours":24.16138945801568,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:10","end":"01:10","startHours":24.16138945801568,"endHours":25.16138945801568,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:10","end":"02:10","startHours":25.16138945801568,"endHours":26.16138945801568,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:10","end":"03:10","startHours":26.16138945801568,"endHours":27.16138945801568,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:10","end":"04:10","startHours":27.16138945801568,"endHours":28.16138945801568,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:10","end":"05:10","startHours":28.16138945801568,"endHours":29.16138945801568,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:10","end":"06:10","startHours":29.16138945801568,"endHours":30.16138945801568,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:10","end":"07:10","startHours":30.16138945801568,"endHours":31.16138945801568,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-West","rahuVasa":"North-East","anandadiYoga":{"name":"Utpāta","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":22.336990919670257,"eotMinutes":1.88551325278147,"ayanamsa":23.5655}},"calendars":{"vikram_samvat":2036,"vikram_samvatsara":"Aṅgirasa","saka_samvat":1901,"saka_samvatsara":"Siddhārthī","bengali_samvat":1386,"malayalam_era":1155,"nanakshahi_year":510,"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 Navamī · Vikram 2036 Aṅgirasa · Śaka 1901 Siddhārthī"},"festivals":[],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Śukla Navamī","url":"/day/-1626101-04-03","relevance":0.5}]},"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 June 4, 1979 CE · Perth, Australia · Vidhyamitra","description":"June 4, 1979 CE for Perth, Australia: Śukla Navamī, sūryodaya 07:10, sūryāsta 17:20.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1979-06-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1979-06-04","sa":"https://sa.vidhyamitra.com/city/perth/1979-06-04","hi":"https://hi.vidhyamitra.com/city/perth/1979-06-04","x-default":"https://vidhyamitra.com/city/perth/1979-06-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T15:11:33.192Z","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":"2026-05-31T15:11:33.192Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T15:11:33.192Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}