{"id":"vidhyamitra:city-day:perth:2004-02-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2004-02-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2004-02-12","date_display":"February 12, 2004 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":2004,"month":2,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2453047.770833,"kali_year":5105,"ahargana":1864582.2708,"sun":{"sidereal_longitude":298.816,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":189.6642,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":250.8482,"elapsed_within_tithi_degrees":10.8482},"nakshatra":{"number":15,"name":"Svātī","pada":1,"moon_longitude":189.6642,"elapsed_within_degrees":2.9976},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":128.4802},"karana":{"half_tithi_index":41,"name":"Vaṇija"},"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":2004,"month":2,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2453047.770833,"ahargana":1864582.2708,"kali_year":5105,"ayanamsa_lahiri":23.9105,"grahas":{"sun":{"sidereal_longitude":298.745093,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":188.942593,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false,"latitude":1.2236},"mars":{"sidereal_longitude":11.47799299999997,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":283.57219299999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":142.74199299999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":true},"venus":{"sidereal_longitude":339.986193,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":72.80129299999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":25.4583,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":205.4583,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","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":2004,"month":2,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2453047.770833,"kali_year":5105,"ahargana":1864582.2708,"sun":{"sidereal_longitude":298.816,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":189.6642,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":250.8482,"elapsed_within_tithi_degrees":10.8482},"nakshatra":{"number":15,"name":"Svātī","pada":1,"moon_longitude":189.6642,"elapsed_within_degrees":2.9976},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":128.4802},"karana":{"half_tithi_index":41,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.224,"elongation":109.152},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.224,"opposition_distance":70.848}},"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":"05:51","sunsetLocal":"19:11","solarNoonLocal":"12:31","dayLengthHours":13.326025018367247,"dayLengthDisplay":"13 Hours 19 Mins 34 Secs","nightLengthDisplay":"10 Hours 40 Mins 26 Secs","moonriseLocal":"22:37","moonsetLocal":"11:46","rahuKala":{"name":"Rāhu Kāla","start":"14:11","end":"15:51","startHours":14.18496532887741,"endHours":15.850718456173318,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:51","end":"07:31","startHours":5.856199692397882,"endHours":7.521952819693788,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:11","end":"10:51","startHours":9.187705946989695,"endHours":10.853459074285599,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:58","end":"09:25","startHours":8.965605530016907,"endHours":9.409806363962481,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:25","end":"06:46","startHours":6.411450734829851,"endHours":6.766811401986311,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:05","end":"12:58","startHours":12.075011367635932,"endHours":12.963413035527081,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:05","end":"04:58","startHours":4.079396356615582,"endHours":4.967798024506733,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:45","end":"05:51","startHours":4.745697607533945,"endHours":5.856199692397882,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:44","end":"15:38","startHours":14.74021637130938,"endHours":15.62861803920053,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:59","end":"19:23","startHours":18.98222471076513,"endHours":19.38222471076513,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:11","end":"19:44","startHours":19.18222471076513,"endHours":19.7374757531971,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:56","end":"20:41","startHours":18.93222471076513,"endHours":20.68222471076513,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:05","end":"00:58","startHours":24.07501136763593,"endHours":24.963413035527083,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:51","end":"07:31","startHours":5.856199692397882,"endHours":7.521952819693788,"quality":"auspicious"},{"name":"Roga","start":"07:31","end":"09:11","startHours":7.521952819693788,"endHours":9.187705946989695,"quality":"inauspicious"},{"name":"Udveg","start":"09:11","end":"10:51","startHours":9.187705946989695,"endHours":10.853459074285599,"quality":"inauspicious"},{"name":"Chala","start":"10:51","end":"12:31","startHours":10.853459074285599,"endHours":12.519212201581507,"quality":"neutral"},{"name":"Labha","start":"12:31","end":"14:11","startHours":12.519212201581507,"endHours":14.18496532887741,"quality":"auspicious"},{"name":"Amṛta","start":"14:11","end":"15:51","startHours":14.18496532887741,"endHours":15.850718456173318,"quality":"auspicious"},{"name":"Kāla","start":"15:51","end":"17:31","startHours":15.850718456173318,"endHours":17.516471583469222,"quality":"inauspicious"},{"name":"Śubha","start":"17:31","end":"19:11","startHours":17.516471583469222,"endHours":19.18222471076513,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"19:11","end":"20:31","startHours":19.18222471076513,"endHours":20.516471583469226,"quality":"auspicious"},{"name":"Kāla","start":"20:31","end":"21:51","startHours":20.516471583469226,"endHours":21.85071845617332,"quality":"inauspicious"},{"name":"Śubha","start":"21:51","end":"23:11","startHours":21.85071845617332,"endHours":23.18496532887741,"quality":"auspicious"},{"name":"Roga","start":"23:11","end":"00:31","startHours":23.18496532887741,"endHours":24.519212201581507,"quality":"inauspicious"},{"name":"Udveg","start":"00:31","end":"01:51","startHours":24.519212201581507,"endHours":25.853459074285603,"quality":"inauspicious"},{"name":"Chala","start":"01:51","end":"03:11","startHours":25.853459074285603,"endHours":27.187705946989695,"quality":"neutral"},{"name":"Labha","start":"03:11","end":"04:31","startHours":27.187705946989695,"endHours":28.521952819693787,"quality":"auspicious"},{"name":"Amṛta","start":"04:31","end":"05:51","startHours":28.521952819693787,"endHours":29.856199692397883,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:51","end":"06:51","startHours":5.856199692397882,"endHours":6.856199692397882,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:51","end":"07:51","startHours":6.856199692397882,"endHours":7.856199692397882,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:51","end":"08:51","startHours":7.856199692397882,"endHours":8.856199692397883,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:51","end":"09:51","startHours":8.856199692397883,"endHours":9.856199692397883,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:51","end":"10:51","startHours":9.856199692397883,"endHours":10.856199692397883,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:51","end":"11:51","startHours":10.856199692397883,"endHours":11.856199692397883,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:51","end":"12:51","startHours":11.856199692397883,"endHours":12.856199692397883,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:51","end":"13:51","startHours":12.856199692397883,"endHours":13.856199692397883,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:51","end":"14:51","startHours":13.856199692397883,"endHours":14.856199692397883,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:51","end":"15:51","startHours":14.856199692397883,"endHours":15.856199692397883,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:51","end":"16:51","startHours":15.856199692397883,"endHours":16.856199692397883,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:51","end":"17:51","startHours":16.856199692397883,"endHours":17.856199692397883,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:51","end":"18:51","startHours":17.856199692397883,"endHours":18.856199692397883,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:51","end":"19:51","startHours":18.856199692397883,"endHours":19.856199692397883,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:51","end":"20:51","startHours":19.856199692397883,"endHours":20.856199692397883,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:51","end":"21:51","startHours":20.856199692397883,"endHours":21.856199692397883,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:51","end":"22:51","startHours":21.856199692397883,"endHours":22.856199692397883,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:51","end":"23:51","startHours":22.856199692397883,"endHours":23.856199692397883,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:51","end":"00:51","startHours":23.856199692397883,"endHours":24.856199692397883,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:51","end":"01:51","startHours":24.856199692397883,"endHours":25.856199692397883,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:51","end":"02:51","startHours":25.856199692397883,"endHours":26.856199692397883,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:51","end":"03:51","startHours":26.856199692397883,"endHours":27.856199692397883,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:51","end":"04:51","startHours":27.856199692397883,"endHours":28.856199692397883,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:51","end":"05:51","startHours":28.856199692397883,"endHours":29.856199692397883,"planetary_lord":"Moon"}],"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","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"North","rahuVasa":"North-West","anandadiYoga":{"name":"Dhūmra","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":-13.961296342522353,"eotMinutes":-14.594732094890398,"ayanamsa":23.9105}},"calendars":{"vikram_samvat":2061,"vikram_samvatsara":"Hemalambī","saka_samvat":1926,"saka_samvatsara":"Tāraṇa","bengali_samvat":1411,"malayalam_era":1180,"nanakshahi_year":535,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Māgha","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":"Phālguna Kṛṣṇa Ṣaṣṭhī · Vikram 2061 Hemalambī · Śaka 1926 Tāraṇa"},"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":[]},"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 12, 2004 CE · Perth, Australia · Vidhyamitra","description":"February 12, 2004 CE for Perth, Australia: Kṛṣṇa Ṣaṣṭhī, sūryodaya 05:51, sūryāsta 19:11.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2004-02-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2004-02-12","sa":"https://sa.vidhyamitra.com/city/perth/2004-02-12","hi":"https://hi.vidhyamitra.com/city/perth/2004-02-12","x-default":"https://vidhyamitra.com/city/perth/2004-02-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T01:46:19.951Z","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":"2026-05-31T01:46:19.951Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T01:46:19.951Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}