{"id":"vidhyamitra:city-day:perth:2011-04-02:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2011-04-02","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2011-04-02","date_display":"April 2, 2011 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":2011,"month":4,"day":2,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455653.770833,"kali_year":5112,"ahargana":1867188.2708,"sun":{"sidereal_longitude":348.0859,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":330.6828,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":342.5968,"elapsed_within_tithi_degrees":6.5968},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4,"moon_longitude":330.6828,"elapsed_within_degrees":10.6828},"yoga":{"number":24,"name":"Śukla","sum_longitude":318.7687},"karana":{"half_tithi_index":57,"name":"Śakuni"},"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":2011,"month":4,"day":2,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455653.770833,"ahargana":1867188.2708,"kali_year":5112,"ayanamsa_lahiri":24.0101,"grahas":{"sun":{"sidereal_longitude":347.945825,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":330.8837249999999,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false,"latitude":4.4692},"mars":{"sidereal_longitude":335.693225,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":0.10662500000000819,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":351.342825,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":312.7659249999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":169.78762499999993,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":247.3799,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":67.3799,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","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":2011,"month":4,"day":2,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455653.770833,"kali_year":5112,"ahargana":1867188.2708,"sun":{"sidereal_longitude":348.0859,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":330.6828,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":342.5968,"elapsed_within_tithi_degrees":6.5968},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4,"moon_longitude":330.6828,"elapsed_within_degrees":10.6828},"yoga":{"number":24,"name":"Śukla","sum_longitude":318.7687},"karana":{"half_tithi_index":57,"name":"Śakuni"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.469,"elongation":17.403},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.469,"opposition_distance":162.597}},"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":"18:13","solarNoonLocal":"12:21","dayLengthHours":11.737383615545184,"dayLengthDisplay":"11 Hours 44 Mins 15 Secs","nightLengthDisplay":"12 Hours 15 Mins 45 Secs","moonriseLocal":"05:05","moonsetLocal":"17:20","rahuKala":{"name":"Rāhu Kāla","start":"09:25","end":"10:53","startHours":9.40876350675737,"endHours":10.875936458700519,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:49","end":"15:17","startHours":13.810282362586815,"endHours":15.277455314529963,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:28","end":"07:56","startHours":6.474417602871075,"endHours":7.941590554814223,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:13","end":"09:36","startHours":9.213140446498285,"endHours":9.604386567016457,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:58","end":"07:17","startHours":6.963475253518791,"endHours":7.276472149933329,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:57","end":"12:44","startHours":11.951863290125495,"endHours":12.734355531161839,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:55","end":"05:42","startHours":4.909433120798384,"endHours":5.691925361834729,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:30","end":"06:28","startHours":5.496302301575643,"endHours":6.474417602871075,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:18","end":"15:05","startHours":14.29934001323453,"endHours":15.081832254270877,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:01","end":"18:25","startHours":18.01180121841626,"endHours":18.411801218416258,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:13","end":"18:42","startHours":18.21180121841626,"endHours":18.700858869063975,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:58","end":"19:43","startHours":17.96180121841626,"endHours":19.71180121841626,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:57","end":"00:44","startHours":23.951863290125495,"endHours":24.73435553116184,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:28","end":"07:56","startHours":6.474417602871075,"endHours":7.941590554814223,"quality":"inauspicious"},{"name":"Śubha","start":"07:56","end":"09:25","startHours":7.941590554814223,"endHours":9.40876350675737,"quality":"auspicious"},{"name":"Roga","start":"09:25","end":"10:53","startHours":9.40876350675737,"endHours":10.875936458700519,"quality":"inauspicious"},{"name":"Udveg","start":"10:53","end":"12:21","startHours":10.875936458700519,"endHours":12.343109410643667,"quality":"inauspicious"},{"name":"Chala","start":"12:21","end":"13:49","startHours":12.343109410643667,"endHours":13.810282362586815,"quality":"neutral"},{"name":"Labha","start":"13:49","end":"15:17","startHours":13.810282362586815,"endHours":15.277455314529963,"quality":"auspicious"},{"name":"Amṛta","start":"15:17","end":"16:45","startHours":15.277455314529963,"endHours":16.74462826647311,"quality":"auspicious"},{"name":"Kāla","start":"16:45","end":"18:13","startHours":16.74462826647311,"endHours":18.21180121841626,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:13","end":"19:45","startHours":18.21180121841626,"endHours":19.74462826647311,"quality":"auspicious"},{"name":"Amṛta","start":"19:45","end":"21:17","startHours":19.74462826647311,"endHours":21.277455314529963,"quality":"auspicious"},{"name":"Kāla","start":"21:17","end":"22:49","startHours":21.277455314529963,"endHours":22.810282362586815,"quality":"inauspicious"},{"name":"Śubha","start":"22:49","end":"00:21","startHours":22.810282362586815,"endHours":24.343109410643667,"quality":"auspicious"},{"name":"Roga","start":"00:21","end":"01:53","startHours":24.343109410643667,"endHours":25.87593645870052,"quality":"inauspicious"},{"name":"Udveg","start":"01:53","end":"03:25","startHours":25.87593645870052,"endHours":27.40876350675737,"quality":"inauspicious"},{"name":"Chala","start":"03:25","end":"04:56","startHours":27.40876350675737,"endHours":28.941590554814223,"quality":"neutral"},{"name":"Labha","start":"04:56","end":"06:28","startHours":28.941590554814223,"endHours":30.474417602871075,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:28","end":"07:28","startHours":6.474417602871075,"endHours":7.474417602871075,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:28","end":"08:28","startHours":7.474417602871075,"endHours":8.474417602871075,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:28","end":"09:28","startHours":8.474417602871075,"endHours":9.474417602871075,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:28","end":"10:28","startHours":9.474417602871075,"endHours":10.474417602871075,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:28","end":"11:28","startHours":10.474417602871075,"endHours":11.474417602871075,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:28","end":"12:28","startHours":11.474417602871075,"endHours":12.474417602871075,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:28","end":"13:28","startHours":12.474417602871075,"endHours":13.474417602871075,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:28","end":"14:28","startHours":13.474417602871075,"endHours":14.474417602871075,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:28","end":"15:28","startHours":14.474417602871075,"endHours":15.474417602871075,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:28","end":"16:28","startHours":15.474417602871075,"endHours":16.474417602871075,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:28","end":"17:28","startHours":16.474417602871075,"endHours":17.474417602871075,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:28","end":"18:28","startHours":17.474417602871075,"endHours":18.474417602871075,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:28","end":"19:28","startHours":18.474417602871075,"endHours":19.474417602871075,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:28","end":"20:28","startHours":19.474417602871075,"endHours":20.474417602871075,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:28","end":"21:28","startHours":20.474417602871075,"endHours":21.474417602871075,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:28","end":"22:28","startHours":21.474417602871075,"endHours":22.474417602871075,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:28","end":"23:28","startHours":22.474417602871075,"endHours":23.474417602871075,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:28","end":"00:28","startHours":23.474417602871075,"endHours":24.474417602871075,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:28","end":"01:28","startHours":24.474417602871075,"endHours":25.474417602871075,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:28","end":"02:28","startHours":25.474417602871075,"endHours":26.474417602871075,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:28","end":"03:28","startHours":26.474417602871075,"endHours":27.474417602871075,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:28","end":"04:28","startHours":27.474417602871075,"endHours":28.474417602871075,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:28","end":"05:28","startHours":28.474417602871075,"endHours":29.474417602871075,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:28","end":"06:28","startHours":29.474417602871075,"endHours":30.474417602871075,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"East","anandadiYoga":{"name":"Amṛta","quality":"Auspicious"},"drikRitu":"Vasanta (Spring) (Drik)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":4.7261824107865005,"eotMinutes":-4.028564638619968,"ayanamsa":24.0101}},"calendars":{"vikram_samvat":2068,"vikram_samvatsara":"Krodhi","saka_samvat":1933,"saka_samvatsara":"Khara","bengali_samvat":1418,"malayalam_era":1187,"nanakshahi_year":542,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Kṛṣṇa Pakṣa","solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Kṛṣṇa Caturdaśī · Vikram 2068 Krodhi · Śaka 1933 Khara"},"festivals":[{"id":"mina-sankranti","name":"Mīna Saṅkrānti","name_sanskrit":"मीन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Pisces; Mīna-māsa begins.","vrata":false,"detection":{"sun_rashi":"Mīna"},"precedence":5},{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"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 2, 2011 CE · Perth, Australia · Vidhyamitra","description":"April 2, 2011 CE for Perth, Australia: Kṛṣṇa Caturdaśī, sūryodaya 06:28, sūryāsta 18:13.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2011-04-02","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2011-04-02","sa":"https://sa.vidhyamitra.com/city/perth/2011-04-02","hi":"https://hi.vidhyamitra.com/city/perth/2011-04-02","x-default":"https://vidhyamitra.com/city/perth/2011-04-02"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T14:34:05.070Z","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":"2026-05-15T14:34:05.070Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T14:34:05.070Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}