{"id":"vidhyamitra:city-day:perth:2008-03-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2008-03-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2008-03-13","date_display":"March 13, 2008 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":2008,"month":3,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2454538.770833,"kali_year":5109,"ahargana":1866073.2708,"sun":{"sidereal_longitude":329.0237,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":38.346,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":69.3223,"elapsed_within_tithi_degrees":9.3223},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4,"moon_longitude":38.346,"elapsed_within_degrees":11.6794},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":7.3697},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2008,"month":3,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2454538.770833,"ahargana":1866073.2708,"kali_year":5109,"ayanamsa_lahiri":23.9675,"grahas":{"sun":{"sidereal_longitude":328.867126,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":40.284925999999984,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false,"latitude":4.4976},"mars":{"sidereal_longitude":68.90052600000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":303.3679259999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":264.27492600000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":306.060526,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":129.620926,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":306.4579,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":126.4579,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","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":2008,"month":3,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2454538.770833,"kali_year":5109,"ahargana":1866073.2708,"sun":{"sidereal_longitude":329.0237,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":38.346,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":69.3223,"elapsed_within_tithi_degrees":9.3223},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4,"moon_longitude":38.346,"elapsed_within_degrees":11.6794},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":7.3697},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.498,"elongation":69.322},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.498,"opposition_distance":110.678}},"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":"06:16","sunsetLocal":"18:38","solarNoonLocal":"12:27","dayLengthHours":12.367855813988248,"dayLengthDisplay":"12 Hours 22 Mins 04 Secs","nightLengthDisplay":"11 Hours 37 Mins 56 Secs","moonriseLocal":"12:05","moonsetLocal":"22:20","rahuKala":{"name":"Rāhu Kāla","start":"14:00","end":"15:32","startHours":13.992247308895344,"endHours":15.538229285643874,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:16","end":"07:48","startHours":6.262337425152689,"endHours":7.80831940190122,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:21","end":"10:54","startHours":9.354301378649751,"endHours":10.900283355398281,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:09","end":"09:34","startHours":9.148170448416613,"endHours":9.560432308882888,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:47","end":"07:06","startHours":6.777664750735532,"endHours":7.107474239108552,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:02","end":"12:52","startHours":12.034003471680537,"endHours":12.858527192613087,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:37","end":"05:26","startHours":4.613289983287589,"endHours":5.437813704220138,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:14","end":"06:16","startHours":5.231682773987002,"endHours":6.262337425152689,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:30","end":"15:20","startHours":14.507574634478187,"endHours":15.332098355410738,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:26","end":"18:50","startHours":18.430193239140937,"endHours":18.830193239140936,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:38","end":"19:09","startHours":18.630193239140937,"endHours":19.145520564723782,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:23","end":"20:08","startHours":18.380193239140937,"endHours":20.130193239140937,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:02","end":"00:52","startHours":24.03400347168054,"endHours":24.858527192613085,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:16","end":"07:48","startHours":6.262337425152689,"endHours":7.80831940190122,"quality":"auspicious"},{"name":"Roga","start":"07:48","end":"09:21","startHours":7.80831940190122,"endHours":9.354301378649751,"quality":"inauspicious"},{"name":"Udveg","start":"09:21","end":"10:54","startHours":9.354301378649751,"endHours":10.900283355398281,"quality":"inauspicious"},{"name":"Chala","start":"10:54","end":"12:27","startHours":10.900283355398281,"endHours":12.446265332146812,"quality":"neutral"},{"name":"Labha","start":"12:27","end":"14:00","startHours":12.446265332146812,"endHours":13.992247308895344,"quality":"auspicious"},{"name":"Amṛta","start":"14:00","end":"15:32","startHours":13.992247308895344,"endHours":15.538229285643874,"quality":"auspicious"},{"name":"Kāla","start":"15:32","end":"17:05","startHours":15.538229285643874,"endHours":17.084211262392408,"quality":"inauspicious"},{"name":"Śubha","start":"17:05","end":"18:38","startHours":17.084211262392408,"endHours":18.630193239140937,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:38","end":"20:05","startHours":18.630193239140937,"endHours":20.084211262392405,"quality":"auspicious"},{"name":"Kāla","start":"20:05","end":"21:32","startHours":20.084211262392405,"endHours":21.538229285643876,"quality":"inauspicious"},{"name":"Śubha","start":"21:32","end":"23:00","startHours":21.538229285643876,"endHours":22.992247308895344,"quality":"auspicious"},{"name":"Roga","start":"23:00","end":"00:27","startHours":22.992247308895344,"endHours":24.44626533214681,"quality":"inauspicious"},{"name":"Udveg","start":"00:27","end":"01:54","startHours":24.44626533214681,"endHours":25.90028335539828,"quality":"inauspicious"},{"name":"Chala","start":"01:54","end":"03:21","startHours":25.90028335539828,"endHours":27.35430137864975,"quality":"neutral"},{"name":"Labha","start":"03:21","end":"04:48","startHours":27.35430137864975,"endHours":28.80831940190122,"quality":"auspicious"},{"name":"Amṛta","start":"04:48","end":"06:16","startHours":28.80831940190122,"endHours":30.262337425152687,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:16","end":"07:16","startHours":6.262337425152689,"endHours":7.262337425152689,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:16","end":"08:16","startHours":7.262337425152689,"endHours":8.262337425152689,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:16","end":"09:16","startHours":8.262337425152689,"endHours":9.262337425152689,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:16","end":"10:16","startHours":9.262337425152689,"endHours":10.262337425152689,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:16","end":"11:16","startHours":10.262337425152689,"endHours":11.262337425152689,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:16","end":"12:16","startHours":11.262337425152689,"endHours":12.262337425152689,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:16","end":"13:16","startHours":12.262337425152689,"endHours":13.262337425152689,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:16","end":"14:16","startHours":13.262337425152689,"endHours":14.262337425152689,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:16","end":"15:16","startHours":14.262337425152689,"endHours":15.262337425152689,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:16","end":"16:16","startHours":15.262337425152689,"endHours":16.262337425152687,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:16","end":"17:16","startHours":16.262337425152687,"endHours":17.262337425152687,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:16","end":"18:16","startHours":17.262337425152687,"endHours":18.262337425152687,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:16","end":"19:16","startHours":18.262337425152687,"endHours":19.262337425152687,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:16","end":"20:16","startHours":19.262337425152687,"endHours":20.262337425152687,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:16","end":"21:16","startHours":20.262337425152687,"endHours":21.262337425152687,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:16","end":"22:16","startHours":21.262337425152687,"endHours":22.262337425152687,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:16","end":"23:16","startHours":22.262337425152687,"endHours":23.262337425152687,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:16","end":"00:16","startHours":23.262337425152687,"endHours":24.262337425152687,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:16","end":"01:16","startHours":24.262337425152687,"endHours":25.262337425152687,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:16","end":"02:16","startHours":25.262337425152687,"endHours":26.262337425152687,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:16","end":"03:16","startHours":26.262337425152687,"endHours":27.262337425152687,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:16","end":"04:16","startHours":27.262337425152687,"endHours":28.262337425152687,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:16","end":"05:16","startHours":28.262337425152687,"endHours":29.262337425152687,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:16","end":"06:16","startHours":29.262337425152687,"endHours":30.262337425152687,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-East","rahuVasa":"North-West","anandadiYoga":{"name":"Siddhi","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":-2.8436462568690937,"eotMinutes":-10.217919928808794,"ayanamsa":23.9675}},"calendars":{"vikram_samvat":2065,"vikram_samvatsara":"Plava","saka_samvat":1930,"saka_samvatsara":"Sarvadhāri","bengali_samvat":1415,"malayalam_era":1184,"nanakshahi_year":539,"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 Ṣaṣṭhī · Vikram 2065 Plava · Śaka 1930 Sarvadhāri"},"festivals":[],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Kṛttikā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Kṛttikā","url":"/day/-3137-12-25","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, 2008 CE · Perth, Australia · Vidhyamitra","description":"March 13, 2008 CE for Perth, Australia: Śukla Ṣaṣṭhī, sūryodaya 06:16, sūryāsta 18:38.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2008-03-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2008-03-13","sa":"https://sa.vidhyamitra.com/city/perth/2008-03-13","hi":"https://hi.vidhyamitra.com/city/perth/2008-03-13","x-default":"https://vidhyamitra.com/city/perth/2008-03-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T17:33:15.790Z","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":"2026-05-31T17:33:15.790Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T17:33:15.790Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}