{"id":"vidhyamitra:city-day:perth:2005-02-11:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2005-02-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2005-02-11","date_display":"February 11, 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":2,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2453412.770833,"kali_year":5106,"ahargana":1864947.2708,"sun":{"sidereal_longitude":298.5528,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":326.7582,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":28.2054,"elapsed_within_tithi_degrees":4.2054},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3,"moon_longitude":326.7582,"elapsed_within_degrees":6.7582},"yoga":{"number":20,"name":"Śiva","sum_longitude":265.3111},"karana":{"half_tithi_index":4,"name":"Taitila"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":2,"day":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2453412.770833,"ahargana":1864947.2708,"kali_year":5106,"ayanamsa_lahiri":23.9244,"grahas":{"sun":{"sidereal_longitude":298.485948,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":327.44634799999994,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false,"latitude":-2.8521},"mars":{"sidereal_longitude":249.04414799999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":295.8268479999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":175.15834799999993,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":286.532148,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":87.66764799999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":6.1188,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":186.1188,"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":2,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2453412.770833,"kali_year":5106,"ahargana":1864947.2708,"sun":{"sidereal_longitude":298.5528,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":326.7582,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":28.2054,"elapsed_within_tithi_degrees":4.2054},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3,"moon_longitude":326.7582,"elapsed_within_degrees":6.7582},"yoga":{"number":20,"name":"Śiva","sum_longitude":265.3111},"karana":{"half_tithi_index":4,"name":"Taitila"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.852,"elongation":28.205},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.852,"opposition_distance":151.795}},"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":13.333228209633177,"dayLengthDisplay":"13 Hours 20 Mins 00 Secs","nightLengthDisplay":"10 Hours 40 Mins 00 Secs","moonriseLocal":"08:16","moonsetLocal":"20:38","rahuKala":{"name":"Rāhu Kāla","start":"10:51","end":"12:31","startHours":10.852265499638833,"endHours":12.51891902584298,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:51","end":"17:31","startHours":15.852226078251274,"endHours":17.51887960445542,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:31","end":"09:11","startHours":7.518958447230538,"endHours":9.185611973434685,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:58","end":"09:24","startHours":8.963391503274131,"endHours":9.407832443595238,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:24","end":"06:46","startHours":6.407856096427774,"endHours":6.763408848684659,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:04","end":"12:58","startHours":12.074478085521873,"endHours":12.963359966164086,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:04","end":"04:58","startHours":4.074541159741968,"endHours":4.963423040384179,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:44","end":"05:51","startHours":4.741202570223627,"endHours":5.852304921026391,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:44","end":"15:38","startHours":14.741123727448509,"endHours":15.63000560809072,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:59","end":"19:23","startHours":18.98553313065957,"endHours":19.385533130659567,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:11","end":"19:44","startHours":19.185533130659568,"endHours":19.74108430606095,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:56","end":"20:41","startHours":18.935533130659568,"endHours":20.685533130659568,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:04","end":"00:58","startHours":24.074478085521875,"endHours":24.963359966164084,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:51","end":"07:31","startHours":5.852304921026391,"endHours":7.518958447230538,"quality":"neutral"},{"name":"Labha","start":"07:31","end":"09:11","startHours":7.518958447230538,"endHours":9.185611973434685,"quality":"auspicious"},{"name":"Amṛta","start":"09:11","end":"10:51","startHours":9.185611973434685,"endHours":10.852265499638833,"quality":"auspicious"},{"name":"Kāla","start":"10:51","end":"12:31","startHours":10.852265499638833,"endHours":12.51891902584298,"quality":"inauspicious"},{"name":"Śubha","start":"12:31","end":"14:11","startHours":12.51891902584298,"endHours":14.185572552047127,"quality":"auspicious"},{"name":"Roga","start":"14:11","end":"15:51","startHours":14.185572552047127,"endHours":15.852226078251274,"quality":"inauspicious"},{"name":"Udveg","start":"15:51","end":"17:31","startHours":15.852226078251274,"endHours":17.51887960445542,"quality":"inauspicious"},{"name":"Chala","start":"17:31","end":"19:11","startHours":17.51887960445542,"endHours":19.185533130659568,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"19:11","end":"20:31","startHours":19.185533130659568,"endHours":20.51887960445542,"quality":"inauspicious"},{"name":"Udveg","start":"20:31","end":"21:51","startHours":20.51887960445542,"endHours":21.852226078251274,"quality":"inauspicious"},{"name":"Chala","start":"21:51","end":"23:11","startHours":21.852226078251274,"endHours":23.185572552047127,"quality":"neutral"},{"name":"Labha","start":"23:11","end":"00:31","startHours":23.185572552047127,"endHours":24.51891902584298,"quality":"auspicious"},{"name":"Amṛta","start":"00:31","end":"01:51","startHours":24.51891902584298,"endHours":25.852265499638833,"quality":"auspicious"},{"name":"Kāla","start":"01:51","end":"03:11","startHours":25.852265499638833,"endHours":27.185611973434685,"quality":"inauspicious"},{"name":"Śubha","start":"03:11","end":"04:31","startHours":27.185611973434685,"endHours":28.51895844723054,"quality":"auspicious"},{"name":"Roga","start":"04:31","end":"05:51","startHours":28.51895844723054,"endHours":29.85230492102639,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:51","end":"06:51","startHours":5.852304921026391,"endHours":6.852304921026391,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:51","end":"07:51","startHours":6.852304921026391,"endHours":7.852304921026391,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:51","end":"08:51","startHours":7.852304921026391,"endHours":8.852304921026391,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:51","end":"09:51","startHours":8.852304921026391,"endHours":9.852304921026391,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:51","end":"10:51","startHours":9.852304921026391,"endHours":10.852304921026391,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:51","end":"11:51","startHours":10.852304921026391,"endHours":11.852304921026391,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:51","end":"12:51","startHours":11.852304921026391,"endHours":12.852304921026391,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:51","end":"13:51","startHours":12.852304921026391,"endHours":13.852304921026391,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:51","end":"14:51","startHours":13.852304921026391,"endHours":14.852304921026391,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:51","end":"15:51","startHours":14.852304921026391,"endHours":15.852304921026391,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:51","end":"16:51","startHours":15.852304921026391,"endHours":16.85230492102639,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:51","end":"17:51","startHours":16.85230492102639,"endHours":17.85230492102639,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:51","end":"18:51","startHours":17.85230492102639,"endHours":18.85230492102639,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:51","end":"19:51","startHours":18.85230492102639,"endHours":19.85230492102639,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:51","end":"20:51","startHours":19.85230492102639,"endHours":20.85230492102639,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:51","end":"21:51","startHours":20.85230492102639,"endHours":21.85230492102639,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:51","end":"22:51","startHours":21.85230492102639,"endHours":22.85230492102639,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:51","end":"23:51","startHours":22.85230492102639,"endHours":23.85230492102639,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:51","end":"00:51","startHours":23.85230492102639,"endHours":24.85230492102639,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:51","end":"01:51","startHours":24.85230492102639,"endHours":25.85230492102639,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:51","end":"02:51","startHours":25.85230492102639,"endHours":26.85230492102639,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:51","end":"03:51","startHours":26.85230492102639,"endHours":27.85230492102639,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:51","end":"04:51","startHours":27.85230492102639,"endHours":28.85230492102639,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:51","end":"05:51","startHours":28.85230492102639,"endHours":29.85230492102639,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"South-East","anandadiYoga":{"name":"Mṛtyu","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":-14.041086135927266,"eotMinutes":-14.577141550578775,"ayanamsa":23.9244}},"calendars":{"vikram_samvat":2062,"vikram_samvatsara":"Vilambī","saka_samvat":1927,"saka_samvatsara":"Pārthiva","bengali_samvat":1412,"malayalam_era":1181,"nanakshahi_year":536,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","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":"Māgha Śukla Tṛtīyā · Vikram 2062 Vilambī · Śaka 1927 Pārthiva"},"festivals":[],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 11, 2005 CE · Perth, Australia · Vidhyamitra","description":"February 11, 2005 CE for Perth, Australia: Śukla Tṛtīyā, sūryodaya 05:51, sūryāsta 19:11.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2005-02-11","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2005-02-11","sa":"https://sa.vidhyamitra.com/city/perth/2005-02-11","hi":"https://hi.vidhyamitra.com/city/perth/2005-02-11","x-default":"https://vidhyamitra.com/city/perth/2005-02-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T03:05:31.554Z","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":"2026-06-01T03:05:31.554Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T03:05:31.554Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}