{"id":"vidhyamitra:city-day:sydney:2009-04-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/sydney/2009-04-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2009-04-07","date_display":"April 7, 2009 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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2009,"month":4,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2454928.770833,"kali_year":5110,"ahargana":1866463.2708,"sun":{"sidereal_longitude":353.5091,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":142.507,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":148.9979,"elapsed_within_tithi_degrees":4.9979},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3,"moon_longitude":142.507,"elapsed_within_degrees":9.1737},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":136.0162},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2009,"month":4,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2454928.770833,"ahargana":1866463.2708,"kali_year":5110,"ayanamsa_lahiri":23.9824,"grahas":{"sun":{"sidereal_longitude":353.376725,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":141.099625,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false,"latitude":-2.6884},"mars":{"sidereal_longitude":323.82692499999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":0.5568250000000035,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":296.647925,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":337.445525,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":142.03502500000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":285.7939,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":105.7939,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2009,"month":4,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2454928.770833,"kali_year":5110,"ahargana":1866463.2708,"sun":{"sidereal_longitude":353.5091,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":142.507,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":148.9979,"elapsed_within_tithi_degrees":4.9979},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3,"moon_longitude":142.507,"elapsed_within_degrees":9.1737},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":136.0162},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.688,"elongation":148.998},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.688,"opposition_distance":31.002}},"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":"06:12","sunsetLocal":"17:43","solarNoonLocal":"11:58","dayLengthHours":11.521607276512317,"dayLengthDisplay":"11 Hours 31 Mins 18 Secs","nightLengthDisplay":"12 Hours 28 Mins 42 Secs","moonriseLocal":"16:02","moonsetLocal":"03:36","rahuKala":{"name":"Rāhu Kāla","start":"14:50","end":"16:17","startHours":14.841248694875294,"endHours":16.28144960443933,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:05","end":"10:31","startHours":9.080445056619133,"endHours":10.520645966183174,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:58","end":"13:24","startHours":11.960846875747212,"endHours":13.401047785311253,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:53","end":"09:16","startHours":8.888418268677261,"endHours":9.272471844561005,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:41","end":"06:59","startHours":6.680110207345734,"endHours":6.987353068052729,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:35","end":"12:21","startHours":11.57679329986347,"endHours":12.344900451630958,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:40","end":"05:26","startHours":4.663828933956079,"endHours":5.431936085723566,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:14","end":"06:12","startHours":5.239909297781694,"endHours":6.200043237491054,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:53","end":"14:39","startHours":13.881114755165932,"endHours":14.64922190693342,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:31","end":"17:55","startHours":17.521650514003372,"endHours":17.92165051400337,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:43","end":"18:12","startHours":17.72165051400337,"endHours":18.20171748385805,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:28","end":"19:13","startHours":17.47165051400337,"endHours":19.22165051400337,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:35","end":"00:21","startHours":23.57679329986347,"endHours":24.34490045163096,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:12","end":"07:38","startHours":6.200043237491054,"endHours":7.640244147055094,"quality":"inauspicious"},{"name":"Udveg","start":"07:38","end":"09:05","startHours":7.640244147055094,"endHours":9.080445056619133,"quality":"inauspicious"},{"name":"Chala","start":"09:05","end":"10:31","startHours":9.080445056619133,"endHours":10.520645966183174,"quality":"neutral"},{"name":"Labha","start":"10:31","end":"11:58","startHours":10.520645966183174,"endHours":11.960846875747212,"quality":"auspicious"},{"name":"Amṛta","start":"11:58","end":"13:24","startHours":11.960846875747212,"endHours":13.401047785311253,"quality":"auspicious"},{"name":"Kāla","start":"13:24","end":"14:50","startHours":13.401047785311253,"endHours":14.841248694875294,"quality":"inauspicious"},{"name":"Śubha","start":"14:50","end":"16:17","startHours":14.841248694875294,"endHours":16.28144960443933,"quality":"auspicious"},{"name":"Roga","start":"16:17","end":"17:43","startHours":16.28144960443933,"endHours":17.72165051400337,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:43","end":"19:17","startHours":17.72165051400337,"endHours":19.28144960443933,"quality":"inauspicious"},{"name":"Śubha","start":"19:17","end":"20:50","startHours":19.28144960443933,"endHours":20.841248694875294,"quality":"auspicious"},{"name":"Roga","start":"20:50","end":"22:24","startHours":20.841248694875294,"endHours":22.401047785311253,"quality":"inauspicious"},{"name":"Udveg","start":"22:24","end":"23:58","startHours":22.401047785311253,"endHours":23.960846875747215,"quality":"inauspicious"},{"name":"Chala","start":"23:58","end":"01:31","startHours":23.960846875747215,"endHours":25.520645966183174,"quality":"neutral"},{"name":"Labha","start":"01:31","end":"03:05","startHours":25.520645966183174,"endHours":27.080445056619133,"quality":"auspicious"},{"name":"Amṛta","start":"03:05","end":"04:38","startHours":27.080445056619133,"endHours":28.640244147055093,"quality":"auspicious"},{"name":"Kāla","start":"04:38","end":"06:12","startHours":28.640244147055093,"endHours":30.200043237491055,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:12","end":"07:12","startHours":6.200043237491054,"endHours":7.200043237491054,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:12","end":"08:12","startHours":7.200043237491054,"endHours":8.200043237491055,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:12","end":"09:12","startHours":8.200043237491055,"endHours":9.200043237491055,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:12","end":"10:12","startHours":9.200043237491055,"endHours":10.200043237491055,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:12","end":"11:12","startHours":10.200043237491055,"endHours":11.200043237491055,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:12","end":"12:12","startHours":11.200043237491055,"endHours":12.200043237491055,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:12","end":"13:12","startHours":12.200043237491055,"endHours":13.200043237491055,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:12","end":"14:12","startHours":13.200043237491055,"endHours":14.200043237491055,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:12","end":"15:12","startHours":14.200043237491055,"endHours":15.200043237491055,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:12","end":"16:12","startHours":15.200043237491055,"endHours":16.200043237491055,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:12","end":"17:12","startHours":16.200043237491055,"endHours":17.200043237491055,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:12","end":"18:12","startHours":17.200043237491055,"endHours":18.200043237491055,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:12","end":"19:12","startHours":18.200043237491055,"endHours":19.200043237491055,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:12","end":"20:12","startHours":19.200043237491055,"endHours":20.200043237491055,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:12","end":"21:12","startHours":20.200043237491055,"endHours":21.200043237491055,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:12","end":"22:12","startHours":21.200043237491055,"endHours":22.200043237491055,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:12","end":"23:12","startHours":22.200043237491055,"endHours":23.200043237491055,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:12","end":"00:12","startHours":23.200043237491055,"endHours":24.200043237491055,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:12","end":"01:12","startHours":24.200043237491055,"endHours":25.200043237491055,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:12","end":"02:12","startHours":25.200043237491055,"endHours":26.200043237491055,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:12","end":"03:12","startHours":26.200043237491055,"endHours":27.200043237491055,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:12","end":"04:12","startHours":27.200043237491055,"endHours":28.200043237491055,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:12","end":"05:12","startHours":28.200043237491055,"endHours":29.200043237491055,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:12","end":"06:12","startHours":29.200043237491055,"endHours":30.200043237491055,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"West","rahuVasa":"North","anandadiYoga":{"name":"Siddhi","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":6.815203023728147,"eotMinutes":-2.4880125448329173,"ayanamsa":23.9824}},"calendars":{"vikram_samvat":2066,"vikram_samvatsara":"Śubhakṛt","saka_samvat":1931,"saka_samvatsara":"Virodhi","bengali_samvat":1416,"malayalam_era":1185,"nanakshahi_year":540,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Caitra","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":"Caitra Śukla Trayodaśī · Vikram 2066 Śubhakṛt · Śaka 1931 Virodhi"},"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":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Dedicated festival walk for Pradoṣa Vrata is not live yet; Maṅgalavāra (Tuesday) — 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 7, 2009 CE · Sydney, Australia · Vidhyamitra","description":"April 7, 2009 CE for Sydney, Australia: Śukla Trayodaśī, sūryodaya 06:12, sūryāsta 17:43.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/sydney/2009-04-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/sydney/2009-04-07","sa":"https://sa.vidhyamitra.com/city/sydney/2009-04-07","hi":"https://hi.vidhyamitra.com/city/sydney/2009-04-07","x-default":"https://vidhyamitra.com/city/sydney/2009-04-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-08-10T11:06:50.572Z","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":"2026-08-10T11:06:50.572Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-08-10T11:06:50.572Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no single city is the universal center.","purna_chain":["Goloka/Vraja Rādhā-Krishna","Vaikuṇṭha Lakṣmī-Nārāyaṇa","Mahāviṣṇu/Kāraṇodakaśāyī Viṣṇu","Garbhodakaśāyī Viṣṇu","Brahmā","Kṣīrodaka Paramātmā/Antaryāmī (Kṣīrodakaśāyī Viṣṇu)","Bhūmi","reader's own kṣetra anywhere on Bhūmi","exact reading kṣetra","reader-bhakta","chitta/vāṇī/aṅgulī","keyboard-silicon-pathways","Vidhyāmitra substrate","reader/seer","Krishna"],"antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}