{"id":"vidhyamitra:city-day:perth:2174-04-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2174-04-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2174-04-04","date_display":"April 4, 2174 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":2174,"month":4,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2515190.770833,"kali_year":5275,"ahargana":1926725.2708,"sun":{"sidereal_longitude":347.9113,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":16.0774,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":28.1661,"elapsed_within_tithi_degrees":4.1661},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1,"moon_longitude":16.0774,"elapsed_within_degrees":2.744},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":3.9887},"karana":{"half_tithi_index":4,"name":"Taitila"},"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":2174,"month":4,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2515190.770833,"ahargana":1926725.2708,"kali_year":5275,"ayanamsa_lahiri":26.2872,"grahas":{"sun":{"sidereal_longitude":348.150774,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":16.430773999999985,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false,"latitude":3.0819},"mars":{"sidereal_longitude":224.55087400000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":357.886274,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":261.9138740000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":306.045974,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":348.584674,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":332.8231,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":152.8231,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","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":2174,"month":4,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2515190.770833,"kali_year":5275,"ahargana":1926725.2708,"sun":{"sidereal_longitude":347.9113,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":16.0774,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":28.1661,"elapsed_within_tithi_degrees":4.1661},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1,"moon_longitude":16.0774,"elapsed_within_degrees":2.744},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":3.9887},"karana":{"half_tithi_index":4,"name":"Taitila"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.082,"elongation":28.166},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.082,"opposition_distance":151.834}},"eclipse_window_40days":[{"offset_days":-2,"type":"solar","occurs":true,"moon_latitude":1.168,"elongation":2.051}]},"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":"18:10","solarNoonLocal":"12:20","dayLengthHours":11.656603813294911,"dayLengthDisplay":"11 Hours 39 Mins 24 Secs","nightLengthDisplay":"12 Hours 20 Mins 36 Secs","moonriseLocal":"08:50","moonsetLocal":"19:36","rahuKala":{"name":"Rāhu Kāla","start":"07:58","end":"09:25","startHours":7.961467288329912,"endHours":9.418542764991775,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:53","end":"12:20","startHours":10.87561824165364,"endHours":12.332693718315504,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:47","end":"15:15","startHours":13.789769194977367,"endHours":15.24684467163923,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:13","end":"09:37","startHours":9.224266034770194,"endHours":9.612819495213357,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:59","end":"07:18","startHours":6.990083637222002,"endHours":7.300926405576533,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:57","end":"12:43","startHours":11.944140257872338,"endHours":12.721247178758667,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:57","end":"05:44","startHours":4.9501779698953925,"endHours":5.72728489078172,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:32","end":"06:30","startHours":5.533008160560138,"endHours":6.5043918116680475,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:17","end":"15:03","startHours":14.27546102053132,"endHours":15.052567941417648,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:58","end":"18:22","startHours":17.96099562496296,"endHours":18.360995624962957,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:10","end":"18:39","startHours":18.160995624962958,"endHours":18.64668745051691,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:55","end":"19:40","startHours":17.910995624962958,"endHours":19.660995624962958,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:57","end":"00:43","startHours":23.94414025787234,"endHours":24.721247178758667,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:30","end":"07:58","startHours":6.5043918116680475,"endHours":7.961467288329912,"quality":"auspicious"},{"name":"Kāla","start":"07:58","end":"09:25","startHours":7.961467288329912,"endHours":9.418542764991775,"quality":"inauspicious"},{"name":"Śubha","start":"09:25","end":"10:53","startHours":9.418542764991775,"endHours":10.87561824165364,"quality":"auspicious"},{"name":"Roga","start":"10:53","end":"12:20","startHours":10.87561824165364,"endHours":12.332693718315504,"quality":"inauspicious"},{"name":"Udveg","start":"12:20","end":"13:47","startHours":12.332693718315504,"endHours":13.789769194977367,"quality":"inauspicious"},{"name":"Chala","start":"13:47","end":"15:15","startHours":13.789769194977367,"endHours":15.24684467163923,"quality":"neutral"},{"name":"Labha","start":"15:15","end":"16:42","startHours":15.24684467163923,"endHours":16.703920148301094,"quality":"auspicious"},{"name":"Amṛta","start":"16:42","end":"18:10","startHours":16.703920148301094,"endHours":18.160995624962958,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:10","end":"19:42","startHours":18.160995624962958,"endHours":19.703920148301094,"quality":"neutral"},{"name":"Labha","start":"19:42","end":"21:15","startHours":19.703920148301094,"endHours":21.24684467163923,"quality":"auspicious"},{"name":"Amṛta","start":"21:15","end":"22:47","startHours":21.24684467163923,"endHours":22.789769194977367,"quality":"auspicious"},{"name":"Kāla","start":"22:47","end":"00:20","startHours":22.789769194977367,"endHours":24.332693718315504,"quality":"inauspicious"},{"name":"Śubha","start":"00:20","end":"01:53","startHours":24.332693718315504,"endHours":25.87561824165364,"quality":"auspicious"},{"name":"Roga","start":"01:53","end":"03:25","startHours":25.87561824165364,"endHours":27.418542764991773,"quality":"inauspicious"},{"name":"Udveg","start":"03:25","end":"04:58","startHours":27.418542764991773,"endHours":28.96146728832991,"quality":"inauspicious"},{"name":"Chala","start":"04:58","end":"06:30","startHours":28.96146728832991,"endHours":30.504391811668047,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:30","end":"07:30","startHours":6.5043918116680475,"endHours":7.5043918116680475,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:30","end":"08:30","startHours":7.5043918116680475,"endHours":8.504391811668047,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:30","end":"09:30","startHours":8.504391811668047,"endHours":9.504391811668047,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:30","end":"10:30","startHours":9.504391811668047,"endHours":10.504391811668047,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:30","end":"11:30","startHours":10.504391811668047,"endHours":11.504391811668047,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:30","end":"12:30","startHours":11.504391811668047,"endHours":12.504391811668047,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:30","end":"13:30","startHours":12.504391811668047,"endHours":13.504391811668047,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:30","end":"14:30","startHours":13.504391811668047,"endHours":14.504391811668047,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:30","end":"15:30","startHours":14.504391811668047,"endHours":15.504391811668047,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:30","end":"16:30","startHours":15.504391811668047,"endHours":16.504391811668047,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:30","end":"17:30","startHours":16.504391811668047,"endHours":17.504391811668047,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:30","end":"18:30","startHours":17.504391811668047,"endHours":18.504391811668047,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:30","end":"19:30","startHours":18.504391811668047,"endHours":19.504391811668047,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:30","end":"20:30","startHours":19.504391811668047,"endHours":20.504391811668047,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:30","end":"21:30","startHours":20.504391811668047,"endHours":21.504391811668047,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:30","end":"22:30","startHours":21.504391811668047,"endHours":22.504391811668047,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:30","end":"23:30","startHours":22.504391811668047,"endHours":23.504391811668047,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:30","end":"00:30","startHours":23.504391811668047,"endHours":24.504391811668047,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:30","end":"01:30","startHours":24.504391811668047,"endHours":25.504391811668047,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:30","end":"02:30","startHours":25.504391811668047,"endHours":26.504391811668047,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:30","end":"03:30","startHours":26.504391811668047,"endHours":27.504391811668047,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:30","end":"04:30","startHours":27.504391811668047,"endHours":28.504391811668047,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:30","end":"05:30","startHours":28.504391811668047,"endHours":29.504391811668047,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:30","end":"06:30","startHours":29.504391811668047,"endHours":30.504391811668047,"planetary_lord":"Venus"}],"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":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":5.6912244225688315,"eotMinutes":-3.4036230989301703,"ayanamsa":26.2872}},"calendars":{"vikram_samvat":2231,"vikram_samvatsara":"Sarvajit","saka_samvat":2096,"saka_samvatsara":"Bhāva","bengali_samvat":1581,"malayalam_era":1350,"nanakshahi_year":705,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Caitra","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Tṛtīyā · Vikram 2231 Sarvajit · Śaka 2096 Bhāva"},"festivals":[{"id":"matsya-jayanti","name":"Matsya Jayantī","name_sanskrit":"मत्स्य जयन्ती","tradition":"Vaishnava","associated_deity":"Matsya (1st daśāvatāra of Krishna)","deity_avatara_index":10,"significance":"Matsya saved Vaivasvata Manu and the Vedas during the cosmic deluge.","vrata":false,"detection":{"tithi_number":3,"tithi_paksha":"Śukla","lunar_month":"Caitra"},"precedence":4,"sources":["Bhāgavata 8.24","Matsya Purāṇa 1-2"]}],"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 4, 2174 CE · Perth, Australia · Vidhyamitra","description":"April 4, 2174 CE for Perth, Australia: Śukla Tṛtīyā, sūryodaya 06:30, sūryāsta 18:10.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2174-04-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2174-04-04","sa":"https://sa.vidhyamitra.com/city/perth/2174-04-04","hi":"https://hi.vidhyamitra.com/city/perth/2174-04-04","x-default":"https://vidhyamitra.com/city/perth/2174-04-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T22:39:27.737Z","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":"2026-05-31T22:39:27.737Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T22:39:27.737Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}