{"id":"vidhyamitra:city-day:perth:1906-04-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1906-04-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1906-04-28","date_display":"April 28, 1906 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":1906,"month":4,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2417328.770833,"kali_year":5008,"ahargana":1828863.2708,"sun":{"sidereal_longitude":14.595,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":65.9058,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":51.3108,"elapsed_within_tithi_degrees":3.3108},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4,"moon_longitude":65.9058,"elapsed_within_degrees":12.5725},"yoga":{"number":7,"name":"Sukarma","sum_longitude":80.5008},"karana":{"half_tithi_index":8,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":1906,"month":4,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2417328.770833,"ahargana":1828863.2708,"kali_year":5008,"ayanamsa_lahiri":22.5444,"grahas":{"sun":{"sidereal_longitude":14.303521999999987,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":61.98392200000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false,"latitude":-3.5503},"mars":{"sidereal_longitude":38.318921999999986,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":349.647222,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":47.80242199999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":33.77982199999997,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":320.99512200000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":118.0228,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":298.0228,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","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":1906,"month":4,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2417328.770833,"kali_year":5008,"ahargana":1828863.2708,"sun":{"sidereal_longitude":14.595,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":65.9058,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":51.3108,"elapsed_within_tithi_degrees":3.3108},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4,"moon_longitude":65.9058,"elapsed_within_degrees":12.5725},"yoga":{"number":7,"name":"Sukarma","sum_longitude":80.5008},"karana":{"half_tithi_index":8,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.55,"elongation":51.311},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.55,"opposition_distance":128.689}},"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":"06:45","sunsetLocal":"17:43","solarNoonLocal":"12:14","dayLengthHours":10.961401151979516,"dayLengthDisplay":"10 Hours 57 Mins 41 Secs","nightLengthDisplay":"13 Hours 02 Mins 19 Secs","moonriseLocal":"10:24","moonsetLocal":"20:25","rahuKala":{"name":"Rāhu Kāla","start":"09:30","end":"10:52","startHours":9.494076876081458,"endHours":10.864252020078897,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:36","end":"14:58","startHours":13.604602308073776,"endHours":14.974777452071216,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:45","end":"08:07","startHours":6.75372658808658,"endHours":8.123901732084018,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:19","end":"09:41","startHours":9.3113868568818,"endHours":9.676766895281117,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:13","end":"07:30","startHours":7.210451636085726,"endHours":7.5027556668051805,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:36","startHours":11.86904712567702,"endHours":12.599807202475654,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:18","end":"06:01","startHours":5.2922064344893105,"endHours":6.022966511287946,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:50","end":"06:45","startHours":5.840276492088287,"endHours":6.75372658808658,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:04","end":"14:48","startHours":14.061327356072923,"endHours":14.792087432871558,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:31","end":"17:55","startHours":17.515127740066095,"endHours":17.915127740066094,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:43","end":"18:10","startHours":17.715127740066094,"endHours":18.17185278806524,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:28","end":"19:13","startHours":17.465127740066094,"endHours":19.215127740066094,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:36","startHours":23.86904712567702,"endHours":24.599807202475652,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:45","end":"08:07","startHours":6.75372658808658,"endHours":8.123901732084018,"quality":"inauspicious"},{"name":"Śubha","start":"08:07","end":"09:30","startHours":8.123901732084018,"endHours":9.494076876081458,"quality":"auspicious"},{"name":"Roga","start":"09:30","end":"10:52","startHours":9.494076876081458,"endHours":10.864252020078897,"quality":"inauspicious"},{"name":"Udveg","start":"10:52","end":"12:14","startHours":10.864252020078897,"endHours":12.234427164076337,"quality":"inauspicious"},{"name":"Chala","start":"12:14","end":"13:36","startHours":12.234427164076337,"endHours":13.604602308073776,"quality":"neutral"},{"name":"Labha","start":"13:36","end":"14:58","startHours":13.604602308073776,"endHours":14.974777452071216,"quality":"auspicious"},{"name":"Amṛta","start":"14:58","end":"16:21","startHours":14.974777452071216,"endHours":16.344952596068655,"quality":"auspicious"},{"name":"Kāla","start":"16:21","end":"17:43","startHours":16.344952596068655,"endHours":17.715127740066094,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:43","end":"19:21","startHours":17.715127740066094,"endHours":19.344952596068655,"quality":"auspicious"},{"name":"Amṛta","start":"19:21","end":"20:58","startHours":19.344952596068655,"endHours":20.974777452071216,"quality":"auspicious"},{"name":"Kāla","start":"20:58","end":"22:36","startHours":20.974777452071216,"endHours":22.604602308073776,"quality":"inauspicious"},{"name":"Śubha","start":"22:36","end":"00:14","startHours":22.604602308073776,"endHours":24.234427164076337,"quality":"auspicious"},{"name":"Roga","start":"00:14","end":"01:52","startHours":24.234427164076337,"endHours":25.864252020078897,"quality":"inauspicious"},{"name":"Udveg","start":"01:52","end":"03:30","startHours":25.864252020078897,"endHours":27.494076876081458,"quality":"inauspicious"},{"name":"Chala","start":"03:30","end":"05:07","startHours":27.494076876081458,"endHours":29.12390173208402,"quality":"neutral"},{"name":"Labha","start":"05:07","end":"06:45","startHours":29.12390173208402,"endHours":30.75372658808658,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:45","end":"07:45","startHours":6.75372658808658,"endHours":7.75372658808658,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:45","end":"08:45","startHours":7.75372658808658,"endHours":8.753726588086579,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:45","end":"09:45","startHours":8.753726588086579,"endHours":9.753726588086579,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:45","end":"10:45","startHours":9.753726588086579,"endHours":10.753726588086579,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:45","end":"11:45","startHours":10.753726588086579,"endHours":11.753726588086579,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:45","end":"12:45","startHours":11.753726588086579,"endHours":12.753726588086579,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:45","end":"13:45","startHours":12.753726588086579,"endHours":13.753726588086579,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:45","end":"14:45","startHours":13.753726588086579,"endHours":14.753726588086579,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:45","end":"15:45","startHours":14.753726588086579,"endHours":15.753726588086579,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:45","end":"16:45","startHours":15.753726588086579,"endHours":16.75372658808658,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:45","end":"17:45","startHours":16.75372658808658,"endHours":17.75372658808658,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:45","end":"18:45","startHours":17.75372658808658,"endHours":18.75372658808658,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:45","end":"19:45","startHours":18.75372658808658,"endHours":19.75372658808658,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:45","end":"20:45","startHours":19.75372658808658,"endHours":20.75372658808658,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:45","end":"21:45","startHours":20.75372658808658,"endHours":21.75372658808658,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:45","end":"22:45","startHours":21.75372658808658,"endHours":22.75372658808658,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:45","end":"23:45","startHours":22.75372658808658,"endHours":23.75372658808658,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:45","end":"00:45","startHours":23.75372658808658,"endHours":24.75372658808658,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:45","end":"01:45","startHours":24.75372658808658,"endHours":25.75372658808658,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:45","end":"02:45","startHours":25.75372658808658,"endHours":26.75372658808658,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:45","end":"03:45","startHours":26.75372658808658,"endHours":27.75372658808658,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:45","end":"04:45","startHours":27.75372658808658,"endHours":28.75372658808658,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:45","end":"05:45","startHours":28.75372658808658,"endHours":29.75372658808658,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:45","end":"06:45","startHours":29.75372658808658,"endHours":30.75372658808658,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"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":"East","anandadiYoga":{"name":"Ānanda","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":13.79905378930856,"eotMinutes":2.4923701554198168,"ayanamsa":22.5444}},"calendars":{"vikram_samvat":1963,"vikram_samvatsara":"Siddhārthī","saka_samvat":1828,"saka_samvatsara":"Parābhava","bengali_samvat":1313,"malayalam_era":1082,"nanakshahi_year":437,"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 Pañcamī · Vikram 1963 Siddhārthī · Śaka 1828 Parābhava"},"festivals":[{"id":"shankara-jayanti","name":"Ādi Śaṅkarācārya Jayantī","name_sanskrit":"आदि शङ्कराचार्य जयन्ती","tradition":"Smarta","associated_deity":"Ādi Śaṅkarācārya","significance":"Birth of Ādi Śaṅkara at Kāladī, Kerala; Advaita-pratiṣṭhāpaka.","vrata":false,"detection":{"tithi_number":5,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":3}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 28, 1906 CE · Perth, Australia · Vidhyamitra","description":"April 28, 1906 CE for Perth, Australia: Śukla Pañcamī, sūryodaya 06:45, sūryāsta 17:43.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1906-04-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1906-04-28","sa":"https://sa.vidhyamitra.com/city/perth/1906-04-28","hi":"https://hi.vidhyamitra.com/city/perth/1906-04-28","x-default":"https://vidhyamitra.com/city/perth/1906-04-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T01:18:40.687Z","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":"2026-06-03T01:18:40.687Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T01:18:40.687Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}