{"id":"vidhyamitra:city-day:perth:1881-04-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1881-04-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1881-04-01","date_display":"April 1, 1881 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":1881,"month":4,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2408171.770833,"kali_year":4982,"ahargana":1819706.2708,"sun":{"sidereal_longitude":349.6985,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":17.4086,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":27.7101,"elapsed_within_tithi_degrees":3.7101},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2,"moon_longitude":17.4086,"elapsed_within_degrees":4.0752},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":7.107},"karana":{"half_tithi_index":4,"name":"Taitila"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":1881,"month":4,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2408171.770833,"ahargana":1819706.2708,"kali_year":4982,"ayanamsa_lahiri":22.1941,"grahas":{"sun":{"sidereal_longitude":349.259887,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":15.50068699999997,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false,"latitude":3.2243},"mars":{"sidereal_longitude":307.619787,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":324.57828700000005,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":6.617187000000001,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":28.658686999999986,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":true},"saturn":{"sidereal_longitude":8.075086999999996,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":243.2047,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":63.2047,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":3},"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":1881,"month":4,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2408171.770833,"kali_year":4982,"ahargana":1819706.2708,"sun":{"sidereal_longitude":349.6985,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":17.4086,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":27.7101,"elapsed_within_tithi_degrees":3.7101},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2,"moon_longitude":17.4086,"elapsed_within_degrees":4.0752},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":7.107},"karana":{"half_tithi_index":4,"name":"Taitila"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.224,"elongation":27.71},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.224,"opposition_distance":152.29}},"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":"06:28","sunsetLocal":"18:14","solarNoonLocal":"12:21","dayLengthHours":11.753772113126226,"dayLengthDisplay":"11 Hours 45 Mins 14 Secs","nightLengthDisplay":"12 Hours 14 Mins 46 Secs","moonriseLocal":"08:39","moonsetLocal":"19:33","rahuKala":{"name":"Rāhu Kāla","start":"10:53","end":"12:21","startHours":10.87915008754508,"endHours":12.348371601685859,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:17","end":"16:45","startHours":15.286814629967415,"endHours":16.756036144108194,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:56","end":"09:25","startHours":7.940707059263523,"endHours":9.4099285734043,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:13","end":"09:36","startHours":9.214032371518865,"endHours":9.605824775289738,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:58","end":"07:16","startHours":6.961226049836338,"endHours":7.274659972853037,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:57","end":"12:44","startHours":11.956579197914984,"endHours":12.74016400545673,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:54","end":"05:41","startHours":4.904315930039248,"endHours":5.687900737580996,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:30","end":"06:28","startHours":5.492004535695559,"endHours":6.471485545122745,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:18","end":"15:05","startHours":14.307333620540229,"endHours":15.090918428081977,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:02","end":"18:26","startHours":18.02525765824897,"endHours":18.42525765824897,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:14","end":"18:43","startHours":18.22525765824897,"endHours":18.714998162962562,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:59","end":"19:44","startHours":17.97525765824897,"endHours":19.72525765824897,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:57","end":"00:44","startHours":23.95657919791498,"endHours":24.74016400545673,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:28","end":"07:56","startHours":6.471485545122745,"endHours":7.940707059263523,"quality":"neutral"},{"name":"Labha","start":"07:56","end":"09:25","startHours":7.940707059263523,"endHours":9.4099285734043,"quality":"auspicious"},{"name":"Amṛta","start":"09:25","end":"10:53","startHours":9.4099285734043,"endHours":10.87915008754508,"quality":"auspicious"},{"name":"Kāla","start":"10:53","end":"12:21","startHours":10.87915008754508,"endHours":12.348371601685859,"quality":"inauspicious"},{"name":"Śubha","start":"12:21","end":"13:49","startHours":12.348371601685859,"endHours":13.817593115826636,"quality":"auspicious"},{"name":"Roga","start":"13:49","end":"15:17","startHours":13.817593115826636,"endHours":15.286814629967415,"quality":"inauspicious"},{"name":"Udveg","start":"15:17","end":"16:45","startHours":15.286814629967415,"endHours":16.756036144108194,"quality":"inauspicious"},{"name":"Chala","start":"16:45","end":"18:14","startHours":16.756036144108194,"endHours":18.22525765824897,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:14","end":"19:45","startHours":18.22525765824897,"endHours":19.756036144108194,"quality":"inauspicious"},{"name":"Udveg","start":"19:45","end":"21:17","startHours":19.756036144108194,"endHours":21.286814629967413,"quality":"inauspicious"},{"name":"Chala","start":"21:17","end":"22:49","startHours":21.286814629967413,"endHours":22.817593115826636,"quality":"neutral"},{"name":"Labha","start":"22:49","end":"00:21","startHours":22.817593115826636,"endHours":24.34837160168586,"quality":"auspicious"},{"name":"Amṛta","start":"00:21","end":"01:53","startHours":24.34837160168586,"endHours":25.879150087545078,"quality":"auspicious"},{"name":"Kāla","start":"01:53","end":"03:25","startHours":25.879150087545078,"endHours":27.4099285734043,"quality":"inauspicious"},{"name":"Śubha","start":"03:25","end":"04:56","startHours":27.4099285734043,"endHours":28.940707059263524,"quality":"auspicious"},{"name":"Roga","start":"04:56","end":"06:28","startHours":28.940707059263524,"endHours":30.471485545122746,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:28","end":"07:28","startHours":6.471485545122745,"endHours":7.471485545122745,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:28","end":"08:28","startHours":7.471485545122745,"endHours":8.471485545122745,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:28","end":"09:28","startHours":8.471485545122745,"endHours":9.471485545122745,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:28","end":"10:28","startHours":9.471485545122745,"endHours":10.471485545122745,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:28","end":"11:28","startHours":10.471485545122745,"endHours":11.471485545122745,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:28","end":"12:28","startHours":11.471485545122745,"endHours":12.471485545122745,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:28","end":"13:28","startHours":12.471485545122745,"endHours":13.471485545122745,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:28","end":"14:28","startHours":13.471485545122745,"endHours":14.471485545122745,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:28","end":"15:28","startHours":14.471485545122745,"endHours":15.471485545122745,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:28","end":"16:28","startHours":15.471485545122745,"endHours":16.471485545122746,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:28","end":"17:28","startHours":16.471485545122746,"endHours":17.471485545122746,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:28","end":"18:28","startHours":17.471485545122746,"endHours":18.471485545122746,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:28","end":"19:28","startHours":18.471485545122746,"endHours":19.471485545122746,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:28","end":"20:28","startHours":19.471485545122746,"endHours":20.471485545122746,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:28","end":"21:28","startHours":20.471485545122746,"endHours":21.471485545122746,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:28","end":"22:28","startHours":21.471485545122746,"endHours":22.471485545122746,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:28","end":"23:28","startHours":22.471485545122746,"endHours":23.471485545122746,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:28","end":"00:28","startHours":23.471485545122746,"endHours":24.471485545122746,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:28","end":"01:28","startHours":24.471485545122746,"endHours":25.471485545122746,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:28","end":"02:28","startHours":25.471485545122746,"endHours":26.471485545122746,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:28","end":"03:28","startHours":26.471485545122746,"endHours":27.471485545122746,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:28","end":"04:28","startHours":27.471485545122746,"endHours":28.471485545122746,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:28","end":"05:28","startHours":28.471485545122746,"endHours":29.471485545122746,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:28","end":"06:28","startHours":29.471485545122746,"endHours":30.471485545122746,"planetary_lord":"Mars"}],"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":"West (Paścim)","chandraVasa":"East","rahuVasa":"South-East","anandadiYoga":{"name":"Mausala","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":4.53005781910205,"eotMinutes":-4.344296101151456,"ayanamsa":22.1941}},"calendars":{"vikram_samvat":1938,"vikram_samvatsara":"Jaya","saka_samvat":1803,"saka_samvatsara":"Vṛṣa","bengali_samvat":1288,"malayalam_era":1057,"nanakshahi_year":412,"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 1938 Jaya · Śaka 1803 Vṛṣa"},"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":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 1, 1881 CE · Perth, Australia · Vidhyamitra","description":"April 1, 1881 CE for Perth, Australia: Śukla Tṛtīyā, sūryodaya 06:28, sūryāsta 18:14.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1881-04-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1881-04-01","sa":"https://sa.vidhyamitra.com/city/perth/1881-04-01","hi":"https://hi.vidhyamitra.com/city/perth/1881-04-01","x-default":"https://vidhyamitra.com/city/perth/1881-04-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T13:36:10.716Z","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":"2026-06-01T13:36:10.716Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T13:36:10.716Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}