{"id":"vidhyamitra:city-day:perth:2013-02-05:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2013-02-05","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2013-02-05","date_display":"February 5, 2013 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":2013,"month":2,"day":5,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456328.770833,"kali_year":5114,"ahargana":1867863.2708,"sun":{"sidereal_longitude":292.37,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":223.5745,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":291.2045,"elapsed_within_tithi_degrees":3.2045},"nakshatra":{"number":17,"name":"Anurādhā","pada":4,"moon_longitude":223.5745,"elapsed_within_degrees":10.2412},"yoga":{"number":12,"name":"Dhruva","sum_longitude":155.9445},"karana":{"half_tithi_index":48,"name":"Vaṇija"},"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":2013,"month":2,"day":5,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2456328.770833,"ahargana":1867863.2708,"kali_year":5114,"ayanamsa_lahiri":24.036,"grahas":{"sun":{"sidereal_longitude":292.35673500000007,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"moon":{"sidereal_longitude":221.39393500000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false,"latitude":0.9316},"mars":{"sidereal_longitude":308.158735,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":304.77203499999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":41.926935000000014,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":279.46683499999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":197.06473499999993,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":211.6151,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":31.6151,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","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":2013,"month":2,"day":5,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456328.770833,"kali_year":5114,"ahargana":1867863.2708,"sun":{"sidereal_longitude":292.37,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":223.5745,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":291.2045,"elapsed_within_tithi_degrees":3.2045},"nakshatra":{"number":17,"name":"Anurādhā","pada":4,"moon_longitude":223.5745,"elapsed_within_degrees":10.2412},"yoga":{"number":12,"name":"Dhruva","sum_longitude":155.9445},"karana":{"half_tithi_index":48,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.932,"elongation":68.796},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.932,"opposition_distance":111.204}},"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":"05:46","sunsetLocal":"19:16","solarNoonLocal":"12:31","dayLengthHours":13.504962278874698,"dayLengthDisplay":"13 Hours 30 Mins 18 Secs","nightLengthDisplay":"10 Hours 29 Mins 42 Secs","moonriseLocal":"00:48","moonsetLocal":"14:46","rahuKala":{"name":"Rāhu Kāla","start":"15:53","end":"17:35","startHours":15.888874206733135,"endHours":17.576994491592473,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:08","end":"10:49","startHours":9.136393067295787,"endHours":10.824513352155122,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:31","end":"14:12","startHours":12.51263363701446,"endHours":14.200753921873797,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:55","end":"09:22","startHours":8.911310362647875,"endHours":9.361475771943699,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:19","end":"06:41","startHours":6.322859259196891,"endHours":6.682991586633549,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:04","end":"12:58","startHours":12.062468227718636,"endHours":12.962799046310284,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:58","end":"04:52","startHours":3.9594908603938186,"endHours":4.859821678985465,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:38","end":"05:46","startHours":4.634738974337553,"endHours":5.760152497577112,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:46","end":"15:40","startHours":14.763460683493577,"endHours":15.663791502085223,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:04","end":"19:28","startHours":19.06511477645181,"endHours":19.46511477645181,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:16","end":"19:50","startHours":19.26511477645181,"endHours":19.82782153807159,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:01","end":"20:46","startHours":19.01511477645181,"endHours":20.76511477645181,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:04","end":"00:58","startHours":24.062468227718636,"endHours":24.962799046310284,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:46","end":"07:27","startHours":5.760152497577112,"endHours":7.448272782436449,"quality":"inauspicious"},{"name":"Udveg","start":"07:27","end":"09:08","startHours":7.448272782436449,"endHours":9.136393067295787,"quality":"inauspicious"},{"name":"Chala","start":"09:08","end":"10:49","startHours":9.136393067295787,"endHours":10.824513352155122,"quality":"neutral"},{"name":"Labha","start":"10:49","end":"12:31","startHours":10.824513352155122,"endHours":12.51263363701446,"quality":"auspicious"},{"name":"Amṛta","start":"12:31","end":"14:12","startHours":12.51263363701446,"endHours":14.200753921873797,"quality":"auspicious"},{"name":"Kāla","start":"14:12","end":"15:53","startHours":14.200753921873797,"endHours":15.888874206733135,"quality":"inauspicious"},{"name":"Śubha","start":"15:53","end":"17:35","startHours":15.888874206733135,"endHours":17.576994491592473,"quality":"auspicious"},{"name":"Roga","start":"17:35","end":"19:16","startHours":17.576994491592473,"endHours":19.26511477645181,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"19:16","end":"20:35","startHours":19.26511477645181,"endHours":20.576994491592473,"quality":"inauspicious"},{"name":"Śubha","start":"20:35","end":"21:53","startHours":20.576994491592473,"endHours":21.888874206733135,"quality":"auspicious"},{"name":"Roga","start":"21:53","end":"23:12","startHours":21.888874206733135,"endHours":23.200753921873797,"quality":"inauspicious"},{"name":"Udveg","start":"23:12","end":"00:31","startHours":23.200753921873797,"endHours":24.51263363701446,"quality":"inauspicious"},{"name":"Chala","start":"00:31","end":"01:49","startHours":24.51263363701446,"endHours":25.824513352155122,"quality":"neutral"},{"name":"Labha","start":"01:49","end":"03:08","startHours":25.824513352155122,"endHours":27.136393067295785,"quality":"auspicious"},{"name":"Amṛta","start":"03:08","end":"04:27","startHours":27.136393067295785,"endHours":28.448272782436447,"quality":"auspicious"},{"name":"Kāla","start":"04:27","end":"05:46","startHours":28.448272782436447,"endHours":29.76015249757711,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:46","end":"06:46","startHours":5.760152497577112,"endHours":6.760152497577112,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:46","end":"07:46","startHours":6.760152497577112,"endHours":7.760152497577112,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:46","end":"08:46","startHours":7.760152497577112,"endHours":8.760152497577112,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:46","end":"09:46","startHours":8.760152497577112,"endHours":9.760152497577112,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:46","end":"10:46","startHours":9.760152497577112,"endHours":10.760152497577112,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:46","end":"11:46","startHours":10.760152497577112,"endHours":11.760152497577112,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:46","end":"12:46","startHours":11.760152497577112,"endHours":12.760152497577112,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:46","end":"13:46","startHours":12.760152497577112,"endHours":13.760152497577112,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:46","end":"14:46","startHours":13.760152497577112,"endHours":14.760152497577112,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:46","end":"15:46","startHours":14.760152497577112,"endHours":15.760152497577112,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:46","end":"16:46","startHours":15.760152497577112,"endHours":16.76015249757711,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:46","end":"17:46","startHours":16.76015249757711,"endHours":17.76015249757711,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:46","end":"18:46","startHours":17.76015249757711,"endHours":18.76015249757711,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:46","end":"19:46","startHours":18.76015249757711,"endHours":19.76015249757711,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:46","end":"20:46","startHours":19.76015249757711,"endHours":20.76015249757711,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:46","end":"21:46","startHours":20.76015249757711,"endHours":21.76015249757711,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:46","end":"22:46","startHours":21.76015249757711,"endHours":22.76015249757711,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:46","end":"23:46","startHours":22.76015249757711,"endHours":23.76015249757711,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:46","end":"00:46","startHours":23.76015249757711,"endHours":24.76015249757711,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:46","end":"01:46","startHours":24.76015249757711,"endHours":25.76015249757711,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:46","end":"02:46","startHours":25.76015249757711,"endHours":26.76015249757711,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:46","end":"03:46","startHours":26.76015249757711,"endHours":27.76015249757711,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:46","end":"04:46","startHours":27.76015249757711,"endHours":28.76015249757711,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:46","end":"05:46","startHours":28.76015249757711,"endHours":29.76015249757711,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"North-East","rahuVasa":"North","anandadiYoga":{"name":"Rākṣasa","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-15.921530307515548,"eotMinutes":-14.200018220867548,"ayanamsa":24.036}},"calendars":{"vikram_samvat":2070,"vikram_samvatsara":"Parābhava","saka_samvat":1935,"saka_samvatsara":"Vijaya","bengali_samvat":1420,"malayalam_era":1189,"nanakshahi_year":544,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Daśamī · Vikram 2070 Parābhava · Śaka 1935 Vijaya"},"festivals":[],"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":"Maṅgalavāra (Tuesday) — 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 February 5, 2013 CE · Perth, Australia · Vidhyamitra","description":"February 5, 2013 CE for Perth, Australia: Kṛṣṇa Daśamī, sūryodaya 05:46, sūryāsta 19:16.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2013-02-05","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2013-02-05","sa":"https://sa.vidhyamitra.com/city/perth/2013-02-05","hi":"https://hi.vidhyamitra.com/city/perth/2013-02-05","x-default":"https://vidhyamitra.com/city/perth/2013-02-05"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T05:47:25.107Z","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":"2026-06-03T05:47:25.107Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T05:47:25.107Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}