{"id":"vidhyamitra:city-day:perth:2005-03-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2005-03-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2005-03-13","date_display":"March 13, 2005 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":2005,"month":3,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2453442.770833,"kali_year":5106,"ahargana":1864977.2708,"sun":{"sidereal_longitude":328.8003,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":3.6743,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":34.8739,"elapsed_within_tithi_degrees":10.8739},"nakshatra":{"number":1,"name":"Aśvinī","pada":2,"moon_longitude":3.6743,"elapsed_within_degrees":3.6743},"yoga":{"number":25,"name":"Brahma","sum_longitude":332.4746},"karana":{"half_tithi_index":5,"name":"Gara"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":2005,"month":3,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2453442.770833,"ahargana":1864977.2708,"kali_year":5106,"ayanamsa_lahiri":23.9256,"grahas":{"sun":{"sidereal_longitude":328.636802,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":3.1481019999999944,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false,"latitude":-0.0671},"mars":{"sidereal_longitude":270.470002,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":346.828502,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":173.039802,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":true},"venus":{"sidereal_longitude":324.03500199999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":86.397402,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":4.5293,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":184.5293,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","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":"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":2005,"month":3,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2453442.770833,"kali_year":5106,"ahargana":1864977.2708,"sun":{"sidereal_longitude":328.8003,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":3.6743,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":34.8739,"elapsed_within_tithi_degrees":10.8739},"nakshatra":{"number":1,"name":"Aśvinī","pada":2,"moon_longitude":3.6743,"elapsed_within_degrees":3.6743},"yoga":{"number":25,"name":"Brahma","sum_longitude":332.4746},"karana":{"half_tithi_index":5,"name":"Gara"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.067,"elongation":34.874},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.067,"opposition_distance":145.126}},"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":"06:15","sunsetLocal":"18:38","solarNoonLocal":"12:27","dayLengthHours":12.376843736848059,"dayLengthDisplay":"12 Hours 22 Mins 37 Secs","nightLengthDisplay":"11 Hours 37 Mins 23 Secs","moonriseLocal":"09:08","moonsetLocal":"20:21","rahuKala":{"name":"Rāhu Kāla","start":"17:05","end":"18:38","startHours":17.087581733464834,"endHours":18.63468720057084,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:27","end":"14:00","startHours":12.446265332146812,"endHours":13.99337079925282,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:32","end":"17:05","startHours":15.540476266358827,"endHours":17.087581733464834,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:09","end":"09:34","startHours":9.14577366898733,"endHours":9.558335126882264,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:46","end":"07:06","startHours":6.773545286091451,"endHours":7.1035944524074,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:02","end":"12:52","startHours":12.033703874251877,"endHours":12.858826790041746,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:36","end":"05:26","startHours":4.607597632143041,"endHours":5.432720547932911,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:14","end":"06:15","startHours":5.226439818985444,"endHours":6.257843463722782,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:31","end":"15:20","startHours":14.509072621621488,"endHours":15.33419553741136,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:26","end":"18:50","startHours":18.434687200570842,"endHours":18.83468720057084,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:38","end":"19:09","startHours":18.63468720057084,"endHours":19.15038902293951,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:23","end":"20:08","startHours":18.38468720057084,"endHours":20.13468720057084,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:02","end":"00:52","startHours":24.033703874251877,"endHours":24.858826790041746,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:15","end":"07:48","startHours":6.257843463722782,"endHours":7.80494893082879,"quality":"inauspicious"},{"name":"Chala","start":"07:48","end":"09:21","startHours":7.80494893082879,"endHours":9.352054397934797,"quality":"neutral"},{"name":"Labha","start":"09:21","end":"10:54","startHours":9.352054397934797,"endHours":10.899159865040804,"quality":"auspicious"},{"name":"Amṛta","start":"10:54","end":"12:27","startHours":10.899159865040804,"endHours":12.446265332146812,"quality":"auspicious"},{"name":"Kāla","start":"12:27","end":"14:00","startHours":12.446265332146812,"endHours":13.99337079925282,"quality":"inauspicious"},{"name":"Śubha","start":"14:00","end":"15:32","startHours":13.99337079925282,"endHours":15.540476266358827,"quality":"auspicious"},{"name":"Roga","start":"15:32","end":"17:05","startHours":15.540476266358827,"endHours":17.087581733464834,"quality":"inauspicious"},{"name":"Udveg","start":"17:05","end":"18:38","startHours":17.087581733464834,"endHours":18.63468720057084,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:38","end":"20:05","startHours":18.63468720057084,"endHours":20.087581733464834,"quality":"auspicious"},{"name":"Roga","start":"20:05","end":"21:32","startHours":20.087581733464834,"endHours":21.540476266358827,"quality":"inauspicious"},{"name":"Udveg","start":"21:32","end":"23:00","startHours":21.540476266358827,"endHours":22.99337079925282,"quality":"inauspicious"},{"name":"Chala","start":"23:00","end":"00:27","startHours":22.99337079925282,"endHours":24.44626533214681,"quality":"neutral"},{"name":"Labha","start":"00:27","end":"01:54","startHours":24.44626533214681,"endHours":25.899159865040804,"quality":"auspicious"},{"name":"Amṛta","start":"01:54","end":"03:21","startHours":25.899159865040804,"endHours":27.352054397934797,"quality":"auspicious"},{"name":"Kāla","start":"03:21","end":"04:48","startHours":27.352054397934797,"endHours":28.80494893082879,"quality":"inauspicious"},{"name":"Śubha","start":"04:48","end":"06:15","startHours":28.80494893082879,"endHours":30.257843463722782,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:15","end":"07:15","startHours":6.257843463722782,"endHours":7.257843463722782,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:15","end":"08:15","startHours":7.257843463722782,"endHours":8.257843463722782,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:15","end":"09:15","startHours":8.257843463722782,"endHours":9.257843463722782,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:15","end":"10:15","startHours":9.257843463722782,"endHours":10.257843463722782,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:15","end":"11:15","startHours":10.257843463722782,"endHours":11.257843463722782,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:15","end":"12:15","startHours":11.257843463722782,"endHours":12.257843463722782,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:15","end":"13:15","startHours":12.257843463722782,"endHours":13.257843463722782,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:15","end":"14:15","startHours":13.257843463722782,"endHours":14.257843463722782,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:15","end":"15:15","startHours":14.257843463722782,"endHours":15.257843463722782,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:15","end":"16:15","startHours":15.257843463722782,"endHours":16.257843463722782,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:15","end":"17:15","startHours":16.257843463722782,"endHours":17.257843463722782,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:15","end":"18:15","startHours":17.257843463722782,"endHours":18.257843463722782,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:15","end":"19:15","startHours":18.257843463722782,"endHours":19.257843463722782,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:15","end":"20:15","startHours":19.257843463722782,"endHours":20.257843463722782,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:15","end":"21:15","startHours":20.257843463722782,"endHours":21.257843463722782,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:15","end":"22:15","startHours":21.257843463722782,"endHours":22.257843463722782,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:15","end":"23:15","startHours":22.257843463722782,"endHours":23.257843463722782,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:15","end":"00:15","startHours":23.257843463722782,"endHours":24.257843463722782,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:15","end":"01:15","startHours":24.257843463722782,"endHours":25.257843463722782,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:15","end":"02:15","startHours":25.257843463722782,"endHours":26.257843463722782,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:15","end":"03:15","startHours":26.257843463722782,"endHours":27.257843463722782,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:15","end":"04:15","startHours":27.257843463722782,"endHours":28.257843463722782,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:15","end":"05:15","startHours":28.257843463722782,"endHours":29.257843463722782,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:15","end":"06:15","startHours":29.257843463722782,"endHours":30.257843463722782,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Ānanda","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-2.951177992892044,"eotMinutes":-10.217919928808794,"ayanamsa":23.9256}},"calendars":{"vikram_samvat":2062,"vikram_samvatsara":"Vilambī","saka_samvat":1927,"saka_samvatsara":"Pārthiva","bengali_samvat":1412,"malayalam_era":1181,"nanakshahi_year":536,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Phālguna","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Śukla Tṛtīyā · Vikram 2062 Vilambī · Śaka 1927 Pārthiva"},"festivals":[],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","relevance":0.5}]},"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 March 13, 2005 CE · Perth, Australia · Vidhyamitra","description":"March 13, 2005 CE for Perth, Australia: Śukla Tṛtīyā, sūryodaya 06:15, sūryāsta 18:38.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2005-03-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2005-03-13","sa":"https://sa.vidhyamitra.com/city/perth/2005-03-13","hi":"https://hi.vidhyamitra.com/city/perth/2005-03-13","x-default":"https://vidhyamitra.com/city/perth/2005-03-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T00:06:24.824Z","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":"2026-05-31T00:06:24.824Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T00:06:24.824Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}