{"id":"vidhyamitra:city-day:perth:2004-04-27:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2004-04-27","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2004-04-27","date_display":"April 27, 2004 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":2004,"month":4,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2453122.770833,"kali_year":5106,"ahargana":1864657.2708,"sun":{"sidereal_longitude":13.2811,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":98.6976,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":85.4166,"elapsed_within_tithi_degrees":1.4166},"nakshatra":{"number":8,"name":"Puṣya","pada":2,"moon_longitude":98.6976,"elapsed_within_degrees":5.3643},"yoga":{"number":9,"name":"Śūla","sum_longitude":111.9787},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2004,"month":4,"day":27,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2453122.770833,"ahargana":1864657.2708,"kali_year":5106,"ayanamsa_lahiri":23.9133,"grahas":{"sun":{"sidereal_longitude":13.212828000000002,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":95.403728,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false,"latitude":4.3882},"mars":{"sidereal_longitude":59.44512800000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":357.728928,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":135.22992799999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":true},"venus":{"sidereal_longitude":55.02502800000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":74.47992799999997,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":21.4844,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":201.4844,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","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":2004,"month":4,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2453122.770833,"kali_year":5106,"ahargana":1864657.2708,"sun":{"sidereal_longitude":13.2811,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":98.6976,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":85.4166,"elapsed_within_tithi_degrees":1.4166},"nakshatra":{"number":8,"name":"Puṣya","pada":2,"moon_longitude":98.6976,"elapsed_within_degrees":5.3643},"yoga":{"number":9,"name":"Śūla","sum_longitude":111.9787},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.388,"elongation":85.417},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.388,"opposition_distance":94.583}},"eclipse_window_40days":[{"offset_days":8,"type":"lunar","occurs":true,"moon_latitude":-0.097,"opposition_distance":1.287}]},"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":"06:46","sunsetLocal":"17:43","solarNoonLocal":"12:14","dayLengthHours":10.953349646370413,"dayLengthDisplay":"10 Hours 57 Mins 12 Secs","nightLengthDisplay":"13 Hours 02 Mins 48 Secs","moonriseLocal":"12:33","moonsetLocal":"22:53","rahuKala":{"name":"Rāhu Kāla","start":"14:59","end":"16:21","startHours":14.97543626409913,"endHours":16.344604969895432,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:30","end":"10:52","startHours":9.498761440913924,"endHours":10.867930146710226,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:14","end":"13:36","startHours":12.237098852506527,"endHours":13.606267558302829,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:19","end":"09:41","startHours":9.316205613474418,"endHours":9.681317268353432,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:13","end":"07:31","startHours":7.216813597920089,"endHours":7.508902921823299,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:36","startHours":11.871987197627513,"endHours":12.602210507385541,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:18","end":"06:02","startHours":5.299977409805267,"endHours":6.030200719563294,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:51","end":"06:46","startHours":5.847644892123787,"endHours":6.760424029321322,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:04","end":"14:48","startHours":14.062657126901598,"endHours":14.792880436659626,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:31","end":"17:55","startHours":17.513773675691734,"endHours":17.913773675691733,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:43","end":"18:10","startHours":17.713773675691733,"endHours":18.1701632442905,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:28","end":"19:13","startHours":17.463773675691733,"endHours":19.213773675691733,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:36","startHours":23.871987197627515,"endHours":24.60221050738554,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:46","end":"08:08","startHours":6.760424029321322,"endHours":8.129592735117622,"quality":"inauspicious"},{"name":"Udveg","start":"08:08","end":"09:30","startHours":8.129592735117622,"endHours":9.498761440913924,"quality":"inauspicious"},{"name":"Chala","start":"09:30","end":"10:52","startHours":9.498761440913924,"endHours":10.867930146710226,"quality":"neutral"},{"name":"Labha","start":"10:52","end":"12:14","startHours":10.867930146710226,"endHours":12.237098852506527,"quality":"auspicious"},{"name":"Amṛta","start":"12:14","end":"13:36","startHours":12.237098852506527,"endHours":13.606267558302829,"quality":"auspicious"},{"name":"Kāla","start":"13:36","end":"14:59","startHours":13.606267558302829,"endHours":14.97543626409913,"quality":"inauspicious"},{"name":"Śubha","start":"14:59","end":"16:21","startHours":14.97543626409913,"endHours":16.344604969895432,"quality":"auspicious"},{"name":"Roga","start":"16:21","end":"17:43","startHours":16.344604969895432,"endHours":17.713773675691733,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:43","end":"19:21","startHours":17.713773675691733,"endHours":19.344604969895432,"quality":"inauspicious"},{"name":"Śubha","start":"19:21","end":"20:59","startHours":19.344604969895432,"endHours":20.97543626409913,"quality":"auspicious"},{"name":"Roga","start":"20:59","end":"22:36","startHours":20.97543626409913,"endHours":22.60626755830283,"quality":"inauspicious"},{"name":"Udveg","start":"22:36","end":"00:14","startHours":22.60626755830283,"endHours":24.237098852506527,"quality":"inauspicious"},{"name":"Chala","start":"00:14","end":"01:52","startHours":24.237098852506527,"endHours":25.867930146710226,"quality":"neutral"},{"name":"Labha","start":"01:52","end":"03:30","startHours":25.867930146710226,"endHours":27.498761440913924,"quality":"auspicious"},{"name":"Amṛta","start":"03:30","end":"05:08","startHours":27.498761440913924,"endHours":29.129592735117622,"quality":"auspicious"},{"name":"Kāla","start":"05:08","end":"06:46","startHours":29.129592735117622,"endHours":30.76042402932132,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:46","end":"07:46","startHours":6.760424029321322,"endHours":7.760424029321322,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:46","end":"08:46","startHours":7.760424029321322,"endHours":8.760424029321321,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:46","end":"09:46","startHours":8.760424029321321,"endHours":9.760424029321321,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:46","end":"10:46","startHours":9.760424029321321,"endHours":10.760424029321321,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:46","end":"11:46","startHours":10.760424029321321,"endHours":11.760424029321321,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:46","end":"12:46","startHours":11.760424029321321,"endHours":12.760424029321321,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:46","end":"13:46","startHours":12.760424029321321,"endHours":13.760424029321321,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:46","end":"14:46","startHours":13.760424029321321,"endHours":14.760424029321321,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:46","end":"15:46","startHours":14.760424029321321,"endHours":15.760424029321321,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:46","end":"16:46","startHours":15.760424029321321,"endHours":16.76042402932132,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:46","end":"17:46","startHours":16.76042402932132,"endHours":17.76042402932132,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:46","end":"18:46","startHours":17.76042402932132,"endHours":18.76042402932132,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:46","end":"19:46","startHours":18.76042402932132,"endHours":19.76042402932132,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:46","end":"20:46","startHours":19.76042402932132,"endHours":20.76042402932132,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:46","end":"21:46","startHours":20.76042402932132,"endHours":21.76042402932132,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:46","end":"22:46","startHours":21.76042402932132,"endHours":22.76042402932132,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:46","end":"23:46","startHours":22.76042402932132,"endHours":23.76042402932132,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:46","end":"00:46","startHours":23.76042402932132,"endHours":24.76042402932132,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:46","end":"01:46","startHours":24.76042402932132,"endHours":25.76042402932132,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:46","end":"02:46","startHours":25.76042402932132,"endHours":26.76042402932132,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:46","end":"03:46","startHours":26.76042402932132,"endHours":27.76042402932132,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:46","end":"04:46","startHours":27.76042402932132,"endHours":28.76042402932132,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:46","end":"05:46","startHours":28.76042402932132,"endHours":29.76042402932132,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:46","end":"06:46","startHours":29.76042402932132,"endHours":30.76042402932132,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"North","anandadiYoga":{"name":"Utpāta","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":13.89008361089193,"eotMinutes":2.332068849608316,"ayanamsa":23.9133}},"calendars":{"vikram_samvat":2061,"vikram_samvatsara":"Hemalambī","saka_samvat":1926,"saka_samvatsara":"Tāraṇa","bengali_samvat":1411,"malayalam_era":1180,"nanakshahi_year":535,"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 Aṣṭamī · Vikram 2061 Hemalambī · Śaka 1926 Tāraṇa"},"festivals":[],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","url":"/day/-3137-12-25","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 April 27, 2004 CE · Perth, Australia · Vidhyamitra","description":"April 27, 2004 CE for Perth, Australia: Śukla Aṣṭamī, sūryodaya 06:46, sūryāsta 17:43.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2004-04-27","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2004-04-27","sa":"https://sa.vidhyamitra.com/city/perth/2004-04-27","hi":"https://hi.vidhyamitra.com/city/perth/2004-04-27","x-default":"https://vidhyamitra.com/city/perth/2004-04-27"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T02:19:48.740Z","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":"2026-05-31T02:19:48.740Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T02:19:48.740Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}