{"id":"vidhyamitra:city-day:perth:2163-02-08:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2163-02-08","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2163-02-08","date_display":"February 8, 2163 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":2163,"month":2,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2511117.770833,"kali_year":5264,"ahargana":1922652.2708,"sun":{"sidereal_longitude":292.5603,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":348.7142,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":56.1539,"elapsed_within_tithi_degrees":8.1539},"nakshatra":{"number":27,"name":"Revatī","pada":1,"moon_longitude":348.7142,"elapsed_within_degrees":2.0475},"yoga":{"number":22,"name":"Sādhya","sum_longitude":281.2745},"karana":{"half_tithi_index":9,"name":"Bālava"},"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":2163,"month":2,"day":8,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2511117.770833,"ahargana":1922652.2708,"kali_year":5264,"ayanamsa_lahiri":26.1314,"grahas":{"sun":{"sidereal_longitude":292.89519300000006,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"moon":{"sidereal_longitude":348.214293,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false,"latitude":1.5315},"mars":{"sidereal_longitude":244.46689300000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":286.83579299999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":276.27069299999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":253.9901930000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":226.112793,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":188.6302,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":8.6302,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"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":2163,"month":2,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2511117.770833,"kali_year":5264,"ahargana":1922652.2708,"sun":{"sidereal_longitude":292.5603,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":348.7142,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":56.1539,"elapsed_within_tithi_degrees":8.1539},"nakshatra":{"number":27,"name":"Revatī","pada":1,"moon_longitude":348.7142,"elapsed_within_degrees":2.0475},"yoga":{"number":22,"name":"Sādhya","sum_longitude":281.2745},"karana":{"half_tithi_index":9,"name":"Bālava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.531,"elongation":56.154},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.531,"opposition_distance":123.846}},"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":"05:48","sunsetLocal":"19:14","solarNoonLocal":"12:31","dayLengthHours":13.43104027560967,"dayLengthDisplay":"13 Hours 25 Mins 52 Secs","nightLengthDisplay":"10 Hours 34 Mins 08 Secs","moonriseLocal":"10:24","moonsetLocal":"22:01","rahuKala":{"name":"Rāhu Kāla","start":"15:52","end":"17:33","startHours":15.87450963691345,"endHours":17.553389671364656,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:10","end":"10:50","startHours":9.158989499108614,"endHours":10.837869533559823,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:31","end":"14:12","startHours":12.516749568011033,"endHours":14.19562960246224,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:56","end":"09:23","startHours":8.935138827848453,"endHours":9.382840170368777,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:22","end":"06:43","startHours":6.3608561083566,"endHours":6.719017182372858,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:04","end":"12:58","startHours":12.069048225490711,"endHours":12.964450910531355,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:01","end":"04:54","startHours":4.010424060124908,"endHours":4.905826745165553,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:41","end":"05:48","startHours":4.681976073905391,"endHours":5.801229430206197,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:45","end":"15:39","startHours":14.755256280612643,"endHours":15.650658965653289,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:02","end":"19:26","startHours":19.032269705815867,"endHours":19.432269705815866,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:14","end":"19:48","startHours":19.232269705815867,"endHours":19.791896383966268,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:59","end":"20:44","startHours":18.982269705815867,"endHours":20.732269705815867,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:04","end":"00:58","startHours":24.06904822549071,"endHours":24.964450910531355,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:48","end":"07:29","startHours":5.801229430206197,"endHours":7.480109464657406,"quality":"inauspicious"},{"name":"Udveg","start":"07:29","end":"09:10","startHours":7.480109464657406,"endHours":9.158989499108614,"quality":"inauspicious"},{"name":"Chala","start":"09:10","end":"10:50","startHours":9.158989499108614,"endHours":10.837869533559823,"quality":"neutral"},{"name":"Labha","start":"10:50","end":"12:31","startHours":10.837869533559823,"endHours":12.516749568011033,"quality":"auspicious"},{"name":"Amṛta","start":"12:31","end":"14:12","startHours":12.516749568011033,"endHours":14.19562960246224,"quality":"auspicious"},{"name":"Kāla","start":"14:12","end":"15:52","startHours":14.19562960246224,"endHours":15.87450963691345,"quality":"inauspicious"},{"name":"Śubha","start":"15:52","end":"17:33","startHours":15.87450963691345,"endHours":17.553389671364656,"quality":"auspicious"},{"name":"Roga","start":"17:33","end":"19:14","startHours":17.553389671364656,"endHours":19.232269705815867,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"19:14","end":"20:33","startHours":19.232269705815867,"endHours":20.55338967136466,"quality":"inauspicious"},{"name":"Śubha","start":"20:33","end":"21:52","startHours":20.55338967136466,"endHours":21.874509636913448,"quality":"auspicious"},{"name":"Roga","start":"21:52","end":"23:12","startHours":21.874509636913448,"endHours":23.19562960246224,"quality":"inauspicious"},{"name":"Udveg","start":"23:12","end":"00:31","startHours":23.19562960246224,"endHours":24.516749568011033,"quality":"inauspicious"},{"name":"Chala","start":"00:31","end":"01:50","startHours":24.516749568011033,"endHours":25.837869533559825,"quality":"neutral"},{"name":"Labha","start":"01:50","end":"03:10","startHours":25.837869533559825,"endHours":27.158989499108614,"quality":"auspicious"},{"name":"Amṛta","start":"03:10","end":"04:29","startHours":27.158989499108614,"endHours":28.480109464657406,"quality":"auspicious"},{"name":"Kāla","start":"04:29","end":"05:48","startHours":28.480109464657406,"endHours":29.8012294302062,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:48","end":"06:48","startHours":5.801229430206197,"endHours":6.801229430206197,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:48","end":"07:48","startHours":6.801229430206197,"endHours":7.801229430206197,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:48","end":"08:48","startHours":7.801229430206197,"endHours":8.801229430206197,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:48","end":"09:48","startHours":8.801229430206197,"endHours":9.801229430206197,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:48","end":"10:48","startHours":9.801229430206197,"endHours":10.801229430206197,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:48","end":"11:48","startHours":10.801229430206197,"endHours":11.801229430206197,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:48","end":"12:48","startHours":11.801229430206197,"endHours":12.801229430206197,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:48","end":"13:48","startHours":12.801229430206197,"endHours":13.801229430206197,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:48","end":"14:48","startHours":13.801229430206197,"endHours":14.801229430206197,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:48","end":"15:48","startHours":14.801229430206197,"endHours":15.801229430206197,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:48","end":"16:48","startHours":15.801229430206197,"endHours":16.8012294302062,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:48","end":"17:48","startHours":16.8012294302062,"endHours":17.8012294302062,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:48","end":"18:48","startHours":17.8012294302062,"endHours":18.8012294302062,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:48","end":"19:48","startHours":18.8012294302062,"endHours":19.8012294302062,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:48","end":"20:48","startHours":19.8012294302062,"endHours":20.8012294302062,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:48","end":"21:48","startHours":20.8012294302062,"endHours":21.8012294302062,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:48","end":"22:48","startHours":21.8012294302062,"endHours":22.8012294302062,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:48","end":"23:48","startHours":22.8012294302062,"endHours":23.8012294302062,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:48","end":"00:48","startHours":23.8012294302062,"endHours":24.8012294302062,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:48","end":"01:48","startHours":24.8012294302062,"endHours":25.8012294302062,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:48","end":"02:48","startHours":25.8012294302062,"endHours":26.8012294302062,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:48","end":"03:48","startHours":26.8012294302062,"endHours":27.8012294302062,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:48","end":"04:48","startHours":27.8012294302062,"endHours":28.8012294302062,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:48","end":"05:48","startHours":28.8012294302062,"endHours":29.8012294302062,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"North","anandadiYoga":{"name":"Dhvaja","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-15.117336204635446,"eotMinutes":-14.446974080661976,"ayanamsa":26.1314}},"calendars":{"vikram_samvat":2220,"vikram_samvatsara":"Dhātṛ","saka_samvat":2085,"saka_samvatsara":"Rudhirodgāri","bengali_samvat":1570,"malayalam_era":1339,"nanakshahi_year":694,"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 Pañcamī · Vikram 2220 Dhātṛ · Śaka 2085 Rudhirodgāri"},"festivals":[{"id":"sarasvati-jayanti","name":"Sarasvatī Jayantī (Vasanta Pañchamī)","name_sanskrit":"सरस्वती जयन्ती / वसन्त पञ्चमी","tradition":"Pan-Hindu","associated_deity":"Sarasvatī (Vāk-tattva)","significance":"Manifestation of Devī Sarasvatī; vidyā-ārambha day; vasanta-ṛtu begins.","vrata":true,"detection":{"tithi_number":5,"tithi_paksha":"Śukla","lunar_month":"Māgha"},"precedence":2,"sources":["Skanda Purāṇa","Devī Bhāgavata"]}],"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 8, 2163 CE · Perth, Australia · Vidhyamitra","description":"February 8, 2163 CE for Perth, Australia: Śukla Pañcamī, sūryodaya 05:48, sūryāsta 19:14.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2163-02-08","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2163-02-08","sa":"https://sa.vidhyamitra.com/city/perth/2163-02-08","hi":"https://hi.vidhyamitra.com/city/perth/2163-02-08","x-default":"https://vidhyamitra.com/city/perth/2163-02-08"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T23:03:01.177Z","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":"2026-06-02T23:03:01.177Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T23:03:01.177Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}