{"id":"vidhyamitra:city-day:perth:1901-04-08:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1901-04-08","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1901-04-08","date_display":"April 8, 1901 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":1901,"month":4,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2415482.770833,"kali_year":5002,"ahargana":1827017.2708,"sun":{"sidereal_longitude":355.4166,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":222.172,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":226.7554,"elapsed_within_tithi_degrees":10.7554},"nakshatra":{"number":17,"name":"Anurādhā","pada":3,"moon_longitude":222.172,"elapsed_within_degrees":8.8386},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":217.5886},"karana":{"half_tithi_index":37,"name":"Bālava"},"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":1901,"month":4,"day":8,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2415482.770833,"ahargana":1827017.2708,"kali_year":5002,"ayanamsa_lahiri":22.4738,"grahas":{"sun":{"sidereal_longitude":355.038053,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":218.25525300000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false,"latitude":0.4964},"mars":{"sidereal_longitude":122.03725299999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":true},"mercury":{"sidereal_longitude":329.003653,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":261.216353,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":350.438553,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":264.89285300000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":215.8328,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":35.8328,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","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":1901,"month":4,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2415482.770833,"kali_year":5002,"ahargana":1827017.2708,"sun":{"sidereal_longitude":355.4166,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":222.172,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":226.7554,"elapsed_within_tithi_degrees":10.7554},"nakshatra":{"number":17,"name":"Anurādhā","pada":3,"moon_longitude":222.172,"elapsed_within_degrees":8.8386},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":217.5886},"karana":{"half_tithi_index":37,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.496,"elongation":133.245},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.496,"opposition_distance":46.755}},"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":"06:32","sunsetLocal":"18:05","solarNoonLocal":"12:19","dayLengthHours":11.557256378980219,"dayLengthDisplay":"11 Hours 33 Mins 26 Secs","nightLengthDisplay":"12 Hours 26 Mins 34 Secs","moonriseLocal":"20:15","moonsetLocal":"10:08","rahuKala":{"name":"Rāhu Kāla","start":"07:59","end":"09:25","startHours":7.978496367493583,"endHours":9.42315341486611,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:52","end":"12:19","startHours":10.867810462238637,"endHours":12.312467509611164,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:45","end":"15:12","startHours":13.757124556983692,"endHours":15.201781604356219,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:14","end":"09:37","startHours":9.230532475216439,"endHours":9.61577435451578,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:01","end":"07:19","startHours":7.015391669245231,"endHours":7.323585172684703,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:56","end":"12:42","startHours":11.927225630311824,"endHours":12.697709388910507,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:00","end":"05:46","startHours":4.992871802923693,"endHours":5.763355561522374,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:34","end":"06:32","startHours":5.570734621872704,"endHours":6.533839320121055,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:14","end":"15:01","startHours":14.238676906107868,"endHours":15.009160664706549,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:53","end":"18:17","startHours":17.891095699101275,"endHours":18.291095699101273,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:05","end":"18:34","startHours":18.091095699101274,"endHours":18.57264804822545,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:50","end":"19:35","startHours":17.841095699101274,"endHours":19.591095699101274,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:56","end":"00:42","startHours":23.927225630311828,"endHours":24.697709388910507,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:32","end":"07:59","startHours":6.533839320121055,"endHours":7.978496367493583,"quality":"auspicious"},{"name":"Kāla","start":"07:59","end":"09:25","startHours":7.978496367493583,"endHours":9.42315341486611,"quality":"inauspicious"},{"name":"Śubha","start":"09:25","end":"10:52","startHours":9.42315341486611,"endHours":10.867810462238637,"quality":"auspicious"},{"name":"Roga","start":"10:52","end":"12:19","startHours":10.867810462238637,"endHours":12.312467509611164,"quality":"inauspicious"},{"name":"Udveg","start":"12:19","end":"13:45","startHours":12.312467509611164,"endHours":13.757124556983692,"quality":"inauspicious"},{"name":"Chala","start":"13:45","end":"15:12","startHours":13.757124556983692,"endHours":15.201781604356219,"quality":"neutral"},{"name":"Labha","start":"15:12","end":"16:39","startHours":15.201781604356219,"endHours":16.646438651728747,"quality":"auspicious"},{"name":"Amṛta","start":"16:39","end":"18:05","startHours":16.646438651728747,"endHours":18.091095699101274,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:05","end":"19:39","startHours":18.091095699101274,"endHours":19.646438651728747,"quality":"neutral"},{"name":"Labha","start":"19:39","end":"21:12","startHours":19.646438651728747,"endHours":21.20178160435622,"quality":"auspicious"},{"name":"Amṛta","start":"21:12","end":"22:45","startHours":21.20178160435622,"endHours":22.75712455698369,"quality":"auspicious"},{"name":"Kāla","start":"22:45","end":"00:19","startHours":22.75712455698369,"endHours":24.312467509611164,"quality":"inauspicious"},{"name":"Śubha","start":"00:19","end":"01:52","startHours":24.312467509611164,"endHours":25.867810462238637,"quality":"auspicious"},{"name":"Roga","start":"01:52","end":"03:25","startHours":25.867810462238637,"endHours":27.42315341486611,"quality":"inauspicious"},{"name":"Udveg","start":"03:25","end":"04:59","startHours":27.42315341486611,"endHours":28.978496367493584,"quality":"inauspicious"},{"name":"Chala","start":"04:59","end":"06:32","startHours":28.978496367493584,"endHours":30.533839320121054,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:32","end":"07:32","startHours":6.533839320121055,"endHours":7.533839320121055,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:32","end":"08:32","startHours":7.533839320121055,"endHours":8.533839320121055,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:32","end":"09:32","startHours":8.533839320121055,"endHours":9.533839320121055,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:32","end":"10:32","startHours":9.533839320121055,"endHours":10.533839320121055,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:32","end":"11:32","startHours":10.533839320121055,"endHours":11.533839320121055,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:32","end":"12:32","startHours":11.533839320121055,"endHours":12.533839320121055,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:32","end":"13:32","startHours":12.533839320121055,"endHours":13.533839320121055,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:32","end":"14:32","startHours":13.533839320121055,"endHours":14.533839320121055,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:32","end":"15:32","startHours":14.533839320121055,"endHours":15.533839320121055,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:32","end":"16:32","startHours":15.533839320121055,"endHours":16.533839320121054,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:32","end":"17:32","startHours":16.533839320121054,"endHours":17.533839320121054,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:32","end":"18:32","startHours":17.533839320121054,"endHours":18.533839320121054,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:32","end":"19:32","startHours":18.533839320121054,"endHours":19.533839320121054,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:32","end":"20:32","startHours":19.533839320121054,"endHours":20.533839320121054,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:32","end":"21:32","startHours":20.533839320121054,"endHours":21.533839320121054,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:32","end":"22:32","startHours":21.533839320121054,"endHours":22.533839320121054,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:32","end":"23:32","startHours":22.533839320121054,"endHours":23.533839320121054,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:32","end":"00:32","startHours":23.533839320121054,"endHours":24.533839320121054,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:32","end":"01:32","startHours":24.533839320121054,"endHours":25.533839320121054,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:32","end":"02:32","startHours":25.533839320121054,"endHours":26.533839320121054,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:32","end":"03:32","startHours":26.533839320121054,"endHours":27.533839320121054,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:32","end":"04:32","startHours":27.533839320121054,"endHours":28.533839320121054,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:32","end":"05:32","startHours":28.533839320121054,"endHours":29.533839320121054,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:32","end":"06:32","startHours":29.533839320121054,"endHours":30.533839320121054,"planetary_lord":"Venus"}],"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","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-East","rahuVasa":"North-East","anandadiYoga":{"name":"Amṛta","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":6.873572938185179,"eotMinutes":-2.1900505766699547,"ayanamsa":22.4738}},"calendars":{"vikram_samvat":1958,"vikram_samvatsara":"Ānanda","saka_samvat":1823,"saka_samvatsara":"Plava","bengali_samvat":1308,"malayalam_era":1077,"nanakshahi_year":432,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","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":"Vaiśākha Kṛṣṇa Caturthī · Vikram 1958 Ānanda · Śaka 1823 Plava"},"festivals":[{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"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 8, 1901 CE · Perth, Australia · Vidhyamitra","description":"April 8, 1901 CE for Perth, Australia: Kṛṣṇa Caturthī, sūryodaya 06:32, sūryāsta 18:05.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1901-04-08","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1901-04-08","sa":"https://sa.vidhyamitra.com/city/perth/1901-04-08","hi":"https://hi.vidhyamitra.com/city/perth/1901-04-08","x-default":"https://vidhyamitra.com/city/perth/1901-04-08"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T22:51:02.141Z","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":"2026-06-01T22:51:02.141Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T22:51:02.141Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}