{"id":"vidhyamitra:city-day:sydney:2011-04-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/sydney/2011-04-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2011-04-01","date_display":"April 1, 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":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455652.770833,"kali_year":5112,"ahargana":1867187.2708,"sun":{"sidereal_longitude":347.1007,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":318.122,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":331.0213,"elapsed_within_tithi_degrees":7.0213},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4,"moon_longitude":318.122,"elapsed_within_degrees":11.4554},"yoga":{"number":23,"name":"Śubha","sum_longitude":305.2228},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"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":2011,"month":4,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455652.770833,"ahargana":1867187.2708,"kali_year":5112,"ayanamsa_lahiri":24.0101,"grahas":{"sun":{"sidereal_longitude":346.958763,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":318.994963,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false,"latitude":4.2463},"mars":{"sidereal_longitude":334.91396299999997,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":0.2953630000000089,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":351.101763,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":311.561963,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":169.86526300000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":247.4329,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":67.4329,"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":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455652.770833,"kali_year":5112,"ahargana":1867187.2708,"sun":{"sidereal_longitude":347.1007,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":318.122,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":331.0213,"elapsed_within_tithi_degrees":7.0213},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4,"moon_longitude":318.122,"elapsed_within_degrees":11.4554},"yoga":{"number":23,"name":"Śubha","sum_longitude":305.2228},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.246,"elongation":28.979},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.246,"opposition_distance":151.021}},"eclipse_window_40days":[]},"city":{"slug":"sydney","name":"Sydney, Australia","lat":-33.8688,"lon":151.2093,"tz_offset_hours":10,"country":"AU","tier":"diaspora"},"tier2":{"city":{"slug":"sydney","name":"Sydney, Australia","lat":-33.8688,"lon":151.2093,"tz_offset_hours":10,"country":"AU","tier":"diaspora"},"sunriseLocal":"06:07","sunsetLocal":"17:52","solarNoonLocal":"12:00","dayLengthHours":11.744941768606317,"dayLengthDisplay":"11 Hours 44 Mins 42 Secs","nightLengthDisplay":"12 Hours 15 Mins 18 Secs","moonriseLocal":"03:47","moonsetLocal":"16:29","rahuKala":{"name":"Rāhu Kāla","start":"10:31","end":"12:00","startHours":10.523667213943401,"endHours":11.99178493501919,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:56","end":"16:24","startHours":14.92802037717077,"endHours":16.39613809824656,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:35","end":"09:03","startHours":7.587431771791821,"endHours":9.05554949286761,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:52","end":"09:15","startHours":8.859800463390838,"endHours":9.251298522344383,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:37","end":"06:55","startHours":6.608686624407961,"endHours":6.921885071570797,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:36","end":"12:23","startHours":11.600286876065645,"endHours":12.383282993972735,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:33","end":"05:20","startHours":4.553321814901856,"endHours":5.336317932808944,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:08","end":"06:07","startHours":5.140568903332172,"endHours":6.1193140507160315,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:57","end":"14:44","startHours":13.94927522978691,"endHours":14.732271347693997,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:40","end":"18:04","startHours":17.66425581932235,"endHours":18.064255819322348,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:52","end":"18:21","startHours":17.86425581932235,"endHours":18.35362839301428,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:37","end":"19:22","startHours":17.61425581932235,"endHours":19.36425581932235,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:36","end":"00:23","startHours":23.600286876065645,"endHours":24.383282993972735,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:07","end":"07:35","startHours":6.1193140507160315,"endHours":7.587431771791821,"quality":"neutral"},{"name":"Labha","start":"07:35","end":"09:03","startHours":7.587431771791821,"endHours":9.05554949286761,"quality":"auspicious"},{"name":"Amṛta","start":"09:03","end":"10:31","startHours":9.05554949286761,"endHours":10.523667213943401,"quality":"auspicious"},{"name":"Kāla","start":"10:31","end":"12:00","startHours":10.523667213943401,"endHours":11.99178493501919,"quality":"inauspicious"},{"name":"Śubha","start":"12:00","end":"13:28","startHours":11.99178493501919,"endHours":13.459902656094979,"quality":"auspicious"},{"name":"Roga","start":"13:28","end":"14:56","startHours":13.459902656094979,"endHours":14.92802037717077,"quality":"inauspicious"},{"name":"Udveg","start":"14:56","end":"16:24","startHours":14.92802037717077,"endHours":16.39613809824656,"quality":"inauspicious"},{"name":"Chala","start":"16:24","end":"17:52","startHours":16.39613809824656,"endHours":17.86425581932235,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:52","end":"19:24","startHours":17.86425581932235,"endHours":19.39613809824656,"quality":"inauspicious"},{"name":"Udveg","start":"19:24","end":"20:56","startHours":19.39613809824656,"endHours":20.928020377170768,"quality":"inauspicious"},{"name":"Chala","start":"20:56","end":"22:28","startHours":20.928020377170768,"endHours":22.45990265609498,"quality":"neutral"},{"name":"Labha","start":"22:28","end":"00:00","startHours":22.45990265609498,"endHours":23.99178493501919,"quality":"auspicious"},{"name":"Amṛta","start":"00:00","end":"01:31","startHours":23.99178493501919,"endHours":25.5236672139434,"quality":"auspicious"},{"name":"Kāla","start":"01:31","end":"03:03","startHours":25.5236672139434,"endHours":27.055549492867613,"quality":"inauspicious"},{"name":"Śubha","start":"03:03","end":"04:35","startHours":27.055549492867613,"endHours":28.58743177179182,"quality":"auspicious"},{"name":"Roga","start":"04:35","end":"06:07","startHours":28.58743177179182,"endHours":30.11931405071603,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:07","end":"07:07","startHours":6.1193140507160315,"endHours":7.1193140507160315,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:07","end":"08:07","startHours":7.1193140507160315,"endHours":8.119314050716032,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:07","end":"09:07","startHours":8.119314050716032,"endHours":9.119314050716032,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:07","end":"10:07","startHours":9.119314050716032,"endHours":10.119314050716032,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:07","end":"11:07","startHours":10.119314050716032,"endHours":11.119314050716032,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:07","end":"12:07","startHours":11.119314050716032,"endHours":12.119314050716032,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:07","end":"13:07","startHours":12.119314050716032,"endHours":13.119314050716032,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:07","end":"14:07","startHours":13.119314050716032,"endHours":14.119314050716032,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:07","end":"15:07","startHours":14.119314050716032,"endHours":15.119314050716032,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:07","end":"16:07","startHours":15.119314050716032,"endHours":16.11931405071603,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:07","end":"17:07","startHours":16.11931405071603,"endHours":17.11931405071603,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:07","end":"18:07","startHours":17.11931405071603,"endHours":18.11931405071603,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:07","end":"19:07","startHours":18.11931405071603,"endHours":19.11931405071603,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:07","end":"20:07","startHours":19.11931405071603,"endHours":20.11931405071603,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:07","end":"21:07","startHours":20.11931405071603,"endHours":21.11931405071603,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:07","end":"22:07","startHours":21.11931405071603,"endHours":22.11931405071603,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:07","end":"23:07","startHours":22.11931405071603,"endHours":23.11931405071603,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:07","end":"00:07","startHours":23.11931405071603,"endHours":24.11931405071603,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:07","end":"01:07","startHours":24.11931405071603,"endHours":25.11931405071603,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:07","end":"02:07","startHours":25.11931405071603,"endHours":26.11931405071603,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:07","end":"03:07","startHours":26.11931405071603,"endHours":27.11931405071603,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:07","end":"04:07","startHours":27.11931405071603,"endHours":28.11931405071603,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:07","end":"05:07","startHours":28.11931405071603,"endHours":29.11931405071603,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:07","end":"06:07","startHours":29.11931405071603,"endHours":30.11931405071603,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"South-East","anandadiYoga":{"name":"Utpāta","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":4.340222447022481,"eotMinutes":-4.344296101151456,"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","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Caitra","lunar_month_amanta":"Phālguna","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 Kṛṣṇa Trayodaśī · Vikram 2068 Krodhi · Śaka 1933 Khara"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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":"sydney"},"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, 2011 CE · Sydney, Australia · Vidhyamitra","description":"April 1, 2011 CE for Sydney, Australia: Kṛṣṇa Trayodaśī, sūryodaya 06:07, sūryāsta 17:52.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/sydney/2011-04-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/sydney/2011-04-01","sa":"https://sa.vidhyamitra.com/city/sydney/2011-04-01","hi":"https://hi.vidhyamitra.com/city/sydney/2011-04-01","x-default":"https://vidhyamitra.com/city/sydney/2011-04-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T17:10:44.193Z","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":"2026-05-31T17:10:44.193Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T17:10:44.193Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}