{"id":"vidhyamitra:city-day:perth:1909-04-22:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1909-04-22","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1909-04-22","date_display":"April 22, 1909 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":1909,"month":4,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2418418.770833,"kali_year":5011,"ahargana":1829953.2708,"sun":{"sidereal_longitude":8.9989,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":33.98,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":24.981,"elapsed_within_tithi_degrees":0.981},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3,"moon_longitude":33.98,"elapsed_within_degrees":7.3133},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":42.9789},"karana":{"half_tithi_index":4,"name":"Taitila"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":1909,"month":4,"day":22,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2418418.770833,"ahargana":1829953.2708,"kali_year":5011,"ayanamsa_lahiri":22.586,"grahas":{"sun":{"sidereal_longitude":8.688576000000012,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":33.774576000000025,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false,"latitude":-1.9914},"mars":{"sidereal_longitude":286.793176,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":9.878076000000021,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":133.22207600000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":8.212376000000006,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":353.906476,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":60.2694,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":240.2694,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","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":1909,"month":4,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2418418.770833,"kali_year":5011,"ahargana":1829953.2708,"sun":{"sidereal_longitude":8.9989,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":33.98,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":24.981,"elapsed_within_tithi_degrees":0.981},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3,"moon_longitude":33.98,"elapsed_within_degrees":7.3133},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":42.9789},"karana":{"half_tithi_index":4,"name":"Taitila"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.991,"elongation":24.981},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.991,"opposition_distance":155.019}},"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":"06:41","sunsetLocal":"17:49","solarNoonLocal":"12:15","dayLengthHours":11.126442808367038,"dayLengthDisplay":"11 Hours 07 Mins 35 Secs","nightLengthDisplay":"12 Hours 52 Mins 25 Secs","moonriseLocal":"08:43","moonsetLocal":"19:08","rahuKala":{"name":"Rāhu Kāla","start":"13:39","end":"15:02","startHours":13.643455213306689,"endHours":15.034260564352568,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:41","end":"08:05","startHours":6.68942845807729,"endHours":8.08023380912317,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:28","end":"10:52","startHours":9.471039160169049,"endHours":10.86184451121493,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:17","end":"09:39","startHours":9.285598446696266,"endHours":9.656479873641834,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:09","end":"07:27","startHours":7.15303024175925,"endHours":7.449735383315705,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:37","startHours":11.881768435315243,"endHours":12.623531289206378,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:12","end":"05:57","startHours":5.205902750295019,"endHours":5.947665604186154,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:46","end":"06:41","startHours":5.76222489071337,"endHours":6.68942845807729,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:06","end":"14:51","startHours":14.10705699698865,"endHours":14.848819850879785,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:37","end":"18:01","startHours":17.61587126644433,"endHours":18.01587126644433,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:49","end":"18:17","startHours":17.81587126644433,"endHours":18.27947305012629,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:34","end":"19:19","startHours":17.56587126644433,"endHours":19.31587126644433,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:37","startHours":23.88176843531524,"endHours":24.62353128920638,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:41","end":"08:05","startHours":6.68942845807729,"endHours":8.08023380912317,"quality":"auspicious"},{"name":"Roga","start":"08:05","end":"09:28","startHours":8.08023380912317,"endHours":9.471039160169049,"quality":"inauspicious"},{"name":"Udveg","start":"09:28","end":"10:52","startHours":9.471039160169049,"endHours":10.86184451121493,"quality":"inauspicious"},{"name":"Chala","start":"10:52","end":"12:15","startHours":10.86184451121493,"endHours":12.25264986226081,"quality":"neutral"},{"name":"Labha","start":"12:15","end":"13:39","startHours":12.25264986226081,"endHours":13.643455213306689,"quality":"auspicious"},{"name":"Amṛta","start":"13:39","end":"15:02","startHours":13.643455213306689,"endHours":15.034260564352568,"quality":"auspicious"},{"name":"Kāla","start":"15:02","end":"16:26","startHours":15.034260564352568,"endHours":16.42506591539845,"quality":"inauspicious"},{"name":"Śubha","start":"16:26","end":"17:49","startHours":16.42506591539845,"endHours":17.81587126644433,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:49","end":"19:26","startHours":17.81587126644433,"endHours":19.42506591539845,"quality":"auspicious"},{"name":"Kāla","start":"19:26","end":"21:02","startHours":19.42506591539845,"endHours":21.03426056435257,"quality":"inauspicious"},{"name":"Śubha","start":"21:02","end":"22:39","startHours":21.03426056435257,"endHours":22.64345521330669,"quality":"auspicious"},{"name":"Roga","start":"22:39","end":"00:15","startHours":22.64345521330669,"endHours":24.25264986226081,"quality":"inauspicious"},{"name":"Udveg","start":"00:15","end":"01:52","startHours":24.25264986226081,"endHours":25.86184451121493,"quality":"inauspicious"},{"name":"Chala","start":"01:52","end":"03:28","startHours":25.86184451121493,"endHours":27.47103916016905,"quality":"neutral"},{"name":"Labha","start":"03:28","end":"05:05","startHours":27.47103916016905,"endHours":29.080233809123172,"quality":"auspicious"},{"name":"Amṛta","start":"05:05","end":"06:41","startHours":29.080233809123172,"endHours":30.68942845807729,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:41","end":"07:41","startHours":6.68942845807729,"endHours":7.68942845807729,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:41","end":"08:41","startHours":7.68942845807729,"endHours":8.689428458077291,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:41","end":"09:41","startHours":8.689428458077291,"endHours":9.689428458077291,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:41","end":"10:41","startHours":9.689428458077291,"endHours":10.689428458077291,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:41","end":"11:41","startHours":10.689428458077291,"endHours":11.689428458077291,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:41","end":"12:41","startHours":11.689428458077291,"endHours":12.689428458077291,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:41","end":"13:41","startHours":12.689428458077291,"endHours":13.689428458077291,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:41","end":"14:41","startHours":13.689428458077291,"endHours":14.689428458077291,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:41","end":"15:41","startHours":14.689428458077291,"endHours":15.689428458077291,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:41","end":"16:41","startHours":15.689428458077291,"endHours":16.68942845807729,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:41","end":"17:41","startHours":16.68942845807729,"endHours":17.68942845807729,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:41","end":"18:41","startHours":17.68942845807729,"endHours":18.68942845807729,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:41","end":"19:41","startHours":18.68942845807729,"endHours":19.68942845807729,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:41","end":"20:41","startHours":19.68942845807729,"endHours":20.68942845807729,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:41","end":"21:41","startHours":20.68942845807729,"endHours":21.68942845807729,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:41","end":"22:41","startHours":21.68942845807729,"endHours":22.68942845807729,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:41","end":"23:41","startHours":22.68942845807729,"endHours":23.68942845807729,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:41","end":"00:41","startHours":23.68942845807729,"endHours":24.68942845807729,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:41","end":"01:41","startHours":24.68942845807729,"endHours":25.68942845807729,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:41","end":"02:41","startHours":25.68942845807729,"endHours":26.68942845807729,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:41","end":"03:41","startHours":26.68942845807729,"endHours":27.68942845807729,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:41","end":"04:41","startHours":27.68942845807729,"endHours":28.68942845807729,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:41","end":"05:41","startHours":28.68942845807729,"endHours":29.68942845807729,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:41","end":"06:41","startHours":29.68942845807729,"endHours":30.68942845807729,"planetary_lord":"Moon"}],"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":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-East","rahuVasa":"North-West","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":11.916079949856906,"eotMinutes":1.3990082643513926,"ayanamsa":22.586}},"calendars":{"vikram_samvat":1966,"vikram_samvatsara":"Dundubhi","saka_samvat":1831,"saka_samvatsara":"Saumya","bengali_samvat":1316,"malayalam_era":1085,"nanakshahi_year":440,"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 Tṛtīyā · Vikram 1966 Dundubhi · Śaka 1831 Saumya"},"festivals":[{"id":"akshaya-tritiya","name":"Akṣaya Tṛtīyā","name_sanskrit":"अक्षय तृतीया","tradition":"Pan-Hindu","significance":"\"Inexhaustible third\"; auspicious for any new venture.","vrata":false,"detection":{"tithi_number":3,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":1},{"id":"parashurama-jayanti","name":"Paraśurāma Jayantī","name_sanskrit":"परशुराम जयन्ती","tradition":"Vaishnava","associated_deity":"Paraśurāma (6th daśāvatāra of Krishna)","deity_avatara_index":16,"significance":"Paraśurāma's manifestation; ciranjīvi-pratiṣṭhā. Coincides with Akṣaya Tṛtīyā.","vrata":true,"detection":{"tithi_number":3,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":2,"sources":["Bhāgavata 9.15-16"]}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Kṛttikā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Kṛttikā","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 22, 1909 CE · Perth, Australia · Vidhyamitra","description":"April 22, 1909 CE for Perth, Australia: Śukla Tṛtīyā, sūryodaya 06:41, sūryāsta 17:49.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1909-04-22","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1909-04-22","sa":"https://sa.vidhyamitra.com/city/perth/1909-04-22","hi":"https://hi.vidhyamitra.com/city/perth/1909-04-22","x-default":"https://vidhyamitra.com/city/perth/1909-04-22"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T04:39:34.726Z","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":"2026-06-02T04:39:34.726Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T04:39:34.726Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}