{"id":"vidhyamitra:city-day:perth:2017-04-03:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2017-04-03","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2017-04-03","date_display":"April 3, 2017 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":2017,"month":4,"day":3,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457846.770833,"kali_year":5118,"ahargana":1869381.2708,"sun":{"sidereal_longitude":349.5107,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":67.369,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":77.8583,"elapsed_within_tithi_degrees":5.8583},"nakshatra":{"number":6,"name":"Ārdrā","pada":1,"moon_longitude":67.369,"elapsed_within_degrees":0.7024},"yoga":{"number":5,"name":"Śobhana","sum_longitude":56.8797},"karana":{"half_tithi_index":12,"name":"Gara"},"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":2017,"month":4,"day":3,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2457846.770833,"ahargana":1869381.2708,"kali_year":5118,"ayanamsa_lahiri":24.094,"grahas":{"sun":{"sidereal_longitude":349.387836,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":69.78803600000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false,"latitude":-4.0374},"mars":{"sidereal_longitude":22.80393600000002,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":7.913336000000015,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":174.33133599999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":335.69203600000003,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":243.51813600000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":131.1842,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":311.1842,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","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":2017,"month":4,"day":3,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457846.770833,"kali_year":5118,"ahargana":1869381.2708,"sun":{"sidereal_longitude":349.5107,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":67.369,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":77.8583,"elapsed_within_tithi_degrees":5.8583},"nakshatra":{"number":6,"name":"Ārdrā","pada":1,"moon_longitude":67.369,"elapsed_within_degrees":0.7024},"yoga":{"number":5,"name":"Śobhana","sum_longitude":56.8797},"karana":{"half_tithi_index":12,"name":"Gara"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.037,"elongation":77.858},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.037,"opposition_distance":102.142}},"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":"06:30","sunsetLocal":"18:11","solarNoonLocal":"12:20","dayLengthHours":11.68766802588543,"dayLengthDisplay":"11 Hours 41 Mins 16 Secs","nightLengthDisplay":"12 Hours 18 Mins 44 Secs","moonriseLocal":"12:41","moonsetLocal":"22:42","rahuKala":{"name":"Rāhu Kāla","start":"07:57","end":"09:25","startHours":7.955005875267809,"endHours":9.415964378503489,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:53","end":"12:20","startHours":10.876922881739166,"endHours":12.337881384974846,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:48","end":"15:16","startHours":13.798839888210523,"endHours":15.259798391446203,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:13","end":"09:37","startHours":9.221169911405397,"endHours":9.610758845601579,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:59","end":"07:18","startHours":6.981033539777357,"endHours":7.292704687134302,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:57","end":"12:44","startHours":11.948292450778665,"endHours":12.727470319171028,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:56","end":"05:43","startHours":4.935691635247407,"endHours":5.714869503639768,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:31","end":"06:30","startHours":5.520075036541678,"endHours":6.494047372032131,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:17","end":"15:04","startHours":14.285826055955749,"endHours":15.06500392434811,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:59","end":"18:23","startHours":17.98171539791756,"endHours":18.38171539791756,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:11","end":"18:40","startHours":18.18171539791756,"endHours":18.668701565662786,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:56","end":"19:41","startHours":17.93171539791756,"endHours":19.68171539791756,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:57","end":"00:44","startHours":23.948292450778666,"endHours":24.727470319171026,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:30","end":"07:57","startHours":6.494047372032131,"endHours":7.955005875267809,"quality":"auspicious"},{"name":"Kāla","start":"07:57","end":"09:25","startHours":7.955005875267809,"endHours":9.415964378503489,"quality":"inauspicious"},{"name":"Śubha","start":"09:25","end":"10:53","startHours":9.415964378503489,"endHours":10.876922881739166,"quality":"auspicious"},{"name":"Roga","start":"10:53","end":"12:20","startHours":10.876922881739166,"endHours":12.337881384974846,"quality":"inauspicious"},{"name":"Udveg","start":"12:20","end":"13:48","startHours":12.337881384974846,"endHours":13.798839888210523,"quality":"inauspicious"},{"name":"Chala","start":"13:48","end":"15:16","startHours":13.798839888210523,"endHours":15.259798391446203,"quality":"neutral"},{"name":"Labha","start":"15:16","end":"16:43","startHours":15.259798391446203,"endHours":16.72075689468188,"quality":"auspicious"},{"name":"Amṛta","start":"16:43","end":"18:11","startHours":16.72075689468188,"endHours":18.18171539791756,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:11","end":"19:43","startHours":18.18171539791756,"endHours":19.720756894681884,"quality":"neutral"},{"name":"Labha","start":"19:43","end":"21:16","startHours":19.720756894681884,"endHours":21.259798391446203,"quality":"auspicious"},{"name":"Amṛta","start":"21:16","end":"22:48","startHours":21.259798391446203,"endHours":22.798839888210523,"quality":"auspicious"},{"name":"Kāla","start":"22:48","end":"00:20","startHours":22.798839888210523,"endHours":24.337881384974846,"quality":"inauspicious"},{"name":"Śubha","start":"00:20","end":"01:53","startHours":24.337881384974846,"endHours":25.87692288173917,"quality":"auspicious"},{"name":"Roga","start":"01:53","end":"03:25","startHours":25.87692288173917,"endHours":27.41596437850349,"quality":"inauspicious"},{"name":"Udveg","start":"03:25","end":"04:57","startHours":27.41596437850349,"endHours":28.95500587526781,"quality":"inauspicious"},{"name":"Chala","start":"04:57","end":"06:30","startHours":28.95500587526781,"endHours":30.49404737203213,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:30","end":"07:30","startHours":6.494047372032131,"endHours":7.494047372032131,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:30","end":"08:30","startHours":7.494047372032131,"endHours":8.494047372032131,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:30","end":"09:30","startHours":8.494047372032131,"endHours":9.494047372032131,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:30","end":"10:30","startHours":9.494047372032131,"endHours":10.494047372032131,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:30","end":"11:30","startHours":10.494047372032131,"endHours":11.494047372032131,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:30","end":"12:30","startHours":11.494047372032131,"endHours":12.494047372032131,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:30","end":"13:30","startHours":12.494047372032131,"endHours":13.494047372032131,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:30","end":"14:30","startHours":13.494047372032131,"endHours":14.494047372032131,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:30","end":"15:30","startHours":14.494047372032131,"endHours":15.494047372032131,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:30","end":"16:30","startHours":15.494047372032131,"endHours":16.49404737203213,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:30","end":"17:30","startHours":16.49404737203213,"endHours":17.49404737203213,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:30","end":"18:30","startHours":17.49404737203213,"endHours":18.49404737203213,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:30","end":"19:30","startHours":18.49404737203213,"endHours":19.49404737203213,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:30","end":"20:30","startHours":19.49404737203213,"endHours":20.49404737203213,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:30","end":"21:30","startHours":20.49404737203213,"endHours":21.49404737203213,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:30","end":"22:30","startHours":21.49404737203213,"endHours":22.49404737203213,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:30","end":"23:30","startHours":22.49404737203213,"endHours":23.49404737203213,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:30","end":"00:30","startHours":23.49404737203213,"endHours":24.49404737203213,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:30","end":"01:30","startHours":24.49404737203213,"endHours":25.49404737203213,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:30","end":"02:30","startHours":25.49404737203213,"endHours":26.49404737203213,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:30","end":"03:30","startHours":26.49404737203213,"endHours":27.49404737203213,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:30","end":"04:30","startHours":27.49404737203213,"endHours":28.49404737203213,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:30","end":"05:30","startHours":28.49404737203213,"endHours":29.49404737203213,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:30","end":"06:30","startHours":29.49404737203213,"endHours":30.49404737203213,"planetary_lord":"Venus"}],"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","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"drikRitu":"Vasanta (Spring) (Drik)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":5.320462262022175,"eotMinutes":-3.714883098490848,"ayanamsa":24.094}},"calendars":{"vikram_samvat":2074,"vikram_samvatsara":"Sādhāraṇa","saka_samvat":1939,"saka_samvatsara":"Hemalambī","bengali_samvat":1424,"malayalam_era":1193,"nanakshahi_year":548,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Śukla Pakṣa","solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Saptamī · Vikram 2074 Sādhāraṇa · Śaka 1939 Hemalambī"},"festivals":[{"id":"mina-sankranti","name":"Mīna Saṅkrānti","name_sanskrit":"मीन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Pisces; Mīna-māsa begins.","vrata":false,"detection":{"sun_rashi":"Mīna"},"precedence":5}],"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":[]},"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 3, 2017 CE · Perth, Australia · Vidhyamitra","description":"April 3, 2017 CE for Perth, Australia: Śukla Saptamī, sūryodaya 06:30, sūryāsta 18:11.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2017-04-03","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2017-04-03","sa":"https://sa.vidhyamitra.com/city/perth/2017-04-03","hi":"https://hi.vidhyamitra.com/city/perth/2017-04-03","x-default":"https://vidhyamitra.com/city/perth/2017-04-03"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T06:08:41.776Z","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":"2026-05-15T06:08:41.776Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T06:08:41.776Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}