{"id":"vidhyamitra:city-day:perth:2145-02-06:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2145-02-06","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2145-02-06","date_display":"February 6, 2145 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":2145,"month":2,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2504541.770833,"kali_year":5246,"ahargana":1916076.2708,"sun":{"sidereal_longitude":291.1907,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":89.5333,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":158.3425,"elapsed_within_tithi_degrees":2.3425},"nakshatra":{"number":7,"name":"Punarvasu","pada":3,"moon_longitude":89.5333,"elapsed_within_degrees":9.5333},"yoga":{"number":2,"name":"Prīti","sum_longitude":20.724},"karana":{"half_tithi_index":26,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":2145,"month":2,"day":6,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2504541.770833,"ahargana":1916076.2708,"kali_year":5246,"ayanamsa_lahiri":25.8799,"grahas":{"sun":{"sidereal_longitude":291.492244,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"moon":{"sidereal_longitude":90.77434399999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false,"latitude":-4.4958},"mars":{"sidereal_longitude":354.893344,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":306.73524399999997,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":94.73504400000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":true},"venus":{"sidereal_longitude":304.98264399999994,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":true},"saturn":{"sidereal_longitude":347.708344,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":177.0584,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":357.0584,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","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":2145,"month":2,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2504541.770833,"kali_year":5246,"ahargana":1916076.2708,"sun":{"sidereal_longitude":291.1907,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":89.5333,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":158.3425,"elapsed_within_tithi_degrees":2.3425},"nakshatra":{"number":7,"name":"Punarvasu","pada":3,"moon_longitude":89.5333,"elapsed_within_degrees":9.5333},"yoga":{"number":2,"name":"Prīti","sum_longitude":20.724},"karana":{"half_tithi_index":26,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.496,"elongation":158.343},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.496,"opposition_distance":21.657}},"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":"05:47","sunsetLocal":"19:15","solarNoonLocal":"12:31","dayLengthHours":13.477715818710358,"dayLengthDisplay":"13 Hours 28 Mins 40 Secs","nightLengthDisplay":"10 Hours 31 Mins 20 Secs","moonriseLocal":"18:00","moonsetLocal":"04:16","rahuKala":{"name":"Rāhu Kāla","start":"09:09","end":"10:50","startHours":9.144793263947031,"endHours":10.829507741285827,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:12","end":"15:53","startHours":14.198936695963415,"endHours":15.88365117330221,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:47","end":"07:28","startHours":5.775364309269442,"endHours":7.4600787866082365,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:55","end":"09:22","startHours":8.920164666968525,"endHours":9.369421860925538,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:20","end":"06:42","startHours":6.336935801715707,"endHours":6.6963415568813165,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:04","end":"12:58","startHours":12.06496502466761,"endHours":12.963479412581632,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:59","end":"04:53","startHours":3.978335533441394,"endHours":4.876849921355418,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:39","end":"05:47","startHours":4.652221324376912,"endHours":5.775364309269442,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:46","end":"15:40","startHours":14.76050818840968,"endHours":15.659022576323704,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:03","end":"19:27","startHours":19.0530801279798,"endHours":19.4530801279798,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:15","end":"19:49","startHours":19.2530801279798,"endHours":19.814651620426066,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:00","end":"20:45","startHours":19.0030801279798,"endHours":20.7530801279798,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:04","end":"00:58","startHours":24.064965024667607,"endHours":24.963479412581634,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:47","end":"07:28","startHours":5.775364309269442,"endHours":7.4600787866082365,"quality":"inauspicious"},{"name":"Śubha","start":"07:28","end":"09:09","startHours":7.4600787866082365,"endHours":9.144793263947031,"quality":"auspicious"},{"name":"Roga","start":"09:09","end":"10:50","startHours":9.144793263947031,"endHours":10.829507741285827,"quality":"inauspicious"},{"name":"Udveg","start":"10:50","end":"12:31","startHours":10.829507741285827,"endHours":12.51422221862462,"quality":"inauspicious"},{"name":"Chala","start":"12:31","end":"14:12","startHours":12.51422221862462,"endHours":14.198936695963415,"quality":"neutral"},{"name":"Labha","start":"14:12","end":"15:53","startHours":14.198936695963415,"endHours":15.88365117330221,"quality":"auspicious"},{"name":"Amṛta","start":"15:53","end":"17:34","startHours":15.88365117330221,"endHours":17.568365650641006,"quality":"auspicious"},{"name":"Kāla","start":"17:34","end":"19:15","startHours":17.568365650641006,"endHours":19.2530801279798,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"19:15","end":"20:34","startHours":19.2530801279798,"endHours":20.568365650641006,"quality":"auspicious"},{"name":"Amṛta","start":"20:34","end":"21:53","startHours":20.568365650641006,"endHours":21.883651173302212,"quality":"auspicious"},{"name":"Kāla","start":"21:53","end":"23:12","startHours":21.883651173302212,"endHours":23.198936695963415,"quality":"inauspicious"},{"name":"Śubha","start":"23:12","end":"00:31","startHours":23.198936695963415,"endHours":24.51422221862462,"quality":"auspicious"},{"name":"Roga","start":"00:31","end":"01:50","startHours":24.51422221862462,"endHours":25.829507741285827,"quality":"inauspicious"},{"name":"Udveg","start":"01:50","end":"03:09","startHours":25.829507741285827,"endHours":27.14479326394703,"quality":"inauspicious"},{"name":"Chala","start":"03:09","end":"04:28","startHours":27.14479326394703,"endHours":28.460078786608236,"quality":"neutral"},{"name":"Labha","start":"04:28","end":"05:47","startHours":28.460078786608236,"endHours":29.77536430926944,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:47","end":"06:47","startHours":5.775364309269442,"endHours":6.775364309269442,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:47","end":"07:47","startHours":6.775364309269442,"endHours":7.775364309269442,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:47","end":"08:47","startHours":7.775364309269442,"endHours":8.775364309269442,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:47","end":"09:47","startHours":8.775364309269442,"endHours":9.775364309269442,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:47","end":"10:47","startHours":9.775364309269442,"endHours":10.775364309269442,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:47","end":"11:47","startHours":10.775364309269442,"endHours":11.775364309269442,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:47","end":"12:47","startHours":11.775364309269442,"endHours":12.775364309269442,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:47","end":"13:47","startHours":12.775364309269442,"endHours":13.775364309269442,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:47","end":"14:47","startHours":13.775364309269442,"endHours":14.775364309269442,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:47","end":"15:47","startHours":14.775364309269442,"endHours":15.775364309269442,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:47","end":"16:47","startHours":15.775364309269442,"endHours":16.77536430926944,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:47","end":"17:47","startHours":16.77536430926944,"endHours":17.77536430926944,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:47","end":"18:47","startHours":17.77536430926944,"endHours":18.77536430926944,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:47","end":"19:47","startHours":18.77536430926944,"endHours":19.77536430926944,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:47","end":"20:47","startHours":19.77536430926944,"endHours":20.77536430926944,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:47","end":"21:47","startHours":20.77536430926944,"endHours":21.77536430926944,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:47","end":"22:47","startHours":21.77536430926944,"endHours":22.77536430926944,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:47","end":"23:47","startHours":22.77536430926944,"endHours":23.77536430926944,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:47","end":"00:47","startHours":23.77536430926944,"endHours":24.77536430926944,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:47","end":"01:47","startHours":24.77536430926944,"endHours":25.77536430926944,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:47","end":"02:47","startHours":25.77536430926944,"endHours":26.77536430926944,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:47","end":"03:47","startHours":26.77536430926944,"endHours":27.77536430926944,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:47","end":"04:47","startHours":27.77536430926944,"endHours":28.77536430926944,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:47","end":"05:47","startHours":28.77536430926944,"endHours":29.77536430926944,"planetary_lord":"Mercury"}],"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","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"East","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":-15.62605888435188,"eotMinutes":-14.295333117477217,"ayanamsa":25.8799}},"calendars":{"vikram_samvat":2202,"vikram_samvatsara":"Kālayukta","saka_samvat":2067,"saka_samvatsara":"Viśvāvasu","bengali_samvat":1552,"malayalam_era":1321,"nanakshahi_year":676,"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 Caturdaśī · Vikram 2202 Kālayukta · Śaka 2067 Viśvāvasu"},"festivals":[],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Punarvasu","url":"/day/-1626101-04-03","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 February 6, 2145 CE · Perth, Australia · Vidhyamitra","description":"February 6, 2145 CE for Perth, Australia: Śukla Caturdaśī, sūryodaya 05:47, sūryāsta 19:15.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2145-02-06","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2145-02-06","sa":"https://sa.vidhyamitra.com/city/perth/2145-02-06","hi":"https://hi.vidhyamitra.com/city/perth/2145-02-06","x-default":"https://vidhyamitra.com/city/perth/2145-02-06"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T18:41:44.769Z","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":"2026-05-31T18:41:44.769Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T18:41:44.769Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}