{"id":"vidhyamitra:city-day:perth:2183-02-23:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2183-02-23","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2183-02-23","date_display":"February 23, 2183 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":2183,"month":2,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2518437.770833,"kali_year":5284,"ahargana":1929972.2708,"sun":{"sidereal_longitude":307.6255,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":314.0318,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":6.4064,"elapsed_within_tithi_degrees":6.4064},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3,"moon_longitude":314.0318,"elapsed_within_degrees":7.3652},"yoga":{"number":20,"name":"Śiva","sum_longitude":261.6573},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":2183,"month":2,"day":23,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2518437.770833,"ahargana":1929972.2708,"kali_year":5284,"ayanamsa_lahiri":26.4114,"grahas":{"sun":{"sidereal_longitude":307.929115,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":315.46161499999994,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false,"latitude":2.0238},"mars":{"sidereal_longitude":84.15931499999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":317.17671500000006,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":174.51631499999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":344.814915,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":105.25501499999996,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":160.7814,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":340.7814,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","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":2183,"month":2,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2518437.770833,"kali_year":5284,"ahargana":1929972.2708,"sun":{"sidereal_longitude":307.6255,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":314.0318,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":6.4064,"elapsed_within_tithi_degrees":6.4064},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3,"moon_longitude":314.0318,"elapsed_within_degrees":7.3652},"yoga":{"number":20,"name":"Śiva","sum_longitude":261.6573},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.024,"elongation":6.406},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.024,"opposition_distance":173.594}},"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":"06:01","sunsetLocal":"19:00","solarNoonLocal":"12:31","dayLengthHours":12.96848837600415,"dayLengthDisplay":"12 Hours 58 Mins 07 Secs","nightLengthDisplay":"11 Hours 01 Mins 53 Secs","moonriseLocal":"06:40","moonsetLocal":"19:21","rahuKala":{"name":"Rāhu Kāla","start":"17:22","end":"19:00","startHours":17.37195475699261,"endHours":18.99301580399313,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:31","end":"14:08","startHours":12.508771615991055,"endHours":14.129832662991575,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:45","end":"17:22","startHours":15.750893709992095,"endHours":17.37195475699261,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:03","end":"09:29","startHours":9.050508049056615,"endHours":9.482790994923421,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:34","end":"06:55","startHours":6.564881110322487,"endHours":6.910707467015931,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:05","end":"12:56","startHours":12.076488670124252,"endHours":12.941054561857861,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:18","end":"05:10","startHours":4.295395644521761,"endHours":5.159961536255371,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:57","end":"06:01","startHours":4.943820063321969,"endHours":6.024527427988981,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:40","end":"15:32","startHours":14.670186345325082,"endHours":15.534752237058692,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:48","end":"19:12","startHours":18.793015803993132,"endHours":19.19301580399313,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:00","end":"19:32","startHours":18.99301580399313,"endHours":19.533369486326638,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:45","end":"20:30","startHours":18.74301580399313,"endHours":20.49301580399313,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:05","end":"00:56","startHours":24.076488670124252,"endHours":24.941054561857865,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:01","end":"07:39","startHours":6.024527427988981,"endHours":7.6455884749895,"quality":"inauspicious"},{"name":"Chala","start":"07:39","end":"09:16","startHours":7.6455884749895,"endHours":9.266649521990018,"quality":"neutral"},{"name":"Labha","start":"09:16","end":"10:53","startHours":9.266649521990018,"endHours":10.887710568990538,"quality":"auspicious"},{"name":"Amṛta","start":"10:53","end":"12:31","startHours":10.887710568990538,"endHours":12.508771615991055,"quality":"auspicious"},{"name":"Kāla","start":"12:31","end":"14:08","startHours":12.508771615991055,"endHours":14.129832662991575,"quality":"inauspicious"},{"name":"Śubha","start":"14:08","end":"15:45","startHours":14.129832662991575,"endHours":15.750893709992095,"quality":"auspicious"},{"name":"Roga","start":"15:45","end":"17:22","startHours":15.750893709992095,"endHours":17.37195475699261,"quality":"inauspicious"},{"name":"Udveg","start":"17:22","end":"19:00","startHours":17.37195475699261,"endHours":18.99301580399313,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"19:00","end":"20:22","startHours":18.99301580399313,"endHours":20.37195475699261,"quality":"auspicious"},{"name":"Roga","start":"20:22","end":"21:45","startHours":20.37195475699261,"endHours":21.750893709992095,"quality":"inauspicious"},{"name":"Udveg","start":"21:45","end":"23:08","startHours":21.750893709992095,"endHours":23.129832662991575,"quality":"inauspicious"},{"name":"Chala","start":"23:08","end":"00:31","startHours":23.129832662991575,"endHours":24.50877161599106,"quality":"neutral"},{"name":"Labha","start":"00:31","end":"01:53","startHours":24.50877161599106,"endHours":25.88771056899054,"quality":"auspicious"},{"name":"Amṛta","start":"01:53","end":"03:16","startHours":25.88771056899054,"endHours":27.26664952199002,"quality":"auspicious"},{"name":"Kāla","start":"03:16","end":"04:39","startHours":27.26664952199002,"endHours":28.645588474989502,"quality":"inauspicious"},{"name":"Śubha","start":"04:39","end":"06:01","startHours":28.645588474989502,"endHours":30.024527427988982,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:01","end":"07:01","startHours":6.024527427988981,"endHours":7.024527427988981,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:01","end":"08:01","startHours":7.024527427988981,"endHours":8.024527427988982,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:01","end":"09:01","startHours":8.024527427988982,"endHours":9.024527427988982,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:01","end":"10:01","startHours":9.024527427988982,"endHours":10.024527427988982,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:01","end":"11:01","startHours":10.024527427988982,"endHours":11.024527427988982,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:01","end":"12:01","startHours":11.024527427988982,"endHours":12.024527427988982,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:01","end":"13:01","startHours":12.024527427988982,"endHours":13.024527427988982,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:01","end":"14:01","startHours":13.024527427988982,"endHours":14.024527427988982,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:01","end":"15:01","startHours":14.024527427988982,"endHours":15.024527427988982,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:01","end":"16:01","startHours":15.024527427988982,"endHours":16.024527427988982,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:01","end":"17:01","startHours":16.024527427988982,"endHours":17.024527427988982,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:01","end":"18:01","startHours":17.024527427988982,"endHours":18.024527427988982,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:01","end":"19:01","startHours":18.024527427988982,"endHours":19.024527427988982,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:01","end":"20:01","startHours":19.024527427988982,"endHours":20.024527427988982,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:01","end":"21:01","startHours":20.024527427988982,"endHours":21.024527427988982,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:01","end":"22:01","startHours":21.024527427988982,"endHours":22.024527427988982,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:01","end":"23:01","startHours":22.024527427988982,"endHours":23.024527427988982,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:01","end":"00:01","startHours":23.024527427988982,"endHours":24.024527427988982,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:01","end":"01:01","startHours":24.024527427988982,"endHours":25.024527427988982,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:01","end":"02:01","startHours":25.024527427988982,"endHours":26.024527427988982,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:01","end":"03:01","startHours":26.024527427988982,"endHours":27.024527427988982,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:01","end":"04:01","startHours":27.024527427988982,"endHours":28.024527427988982,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:01","end":"05:01","startHours":28.024527427988982,"endHours":29.024527427988982,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:01","end":"06:01","startHours":29.024527427988982,"endHours":30.024527427988982,"planetary_lord":"Jupiter"}],"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","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-9.917316900497786,"eotMinutes":-13.968296959463448,"ayanamsa":26.4114}},"calendars":{"vikram_samvat":2240,"vikram_samvatsara":"Durmukhi","saka_samvat":2105,"saka_samvatsara":"Subhānu","bengali_samvat":1590,"malayalam_era":1359,"nanakshahi_year":714,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Phālguna","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Śukla Pratipada · Vikram 2240 Durmukhi · Śaka 2105 Subhānu"},"festivals":[],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 23, 2183 CE · Perth, Australia · Vidhyamitra","description":"February 23, 2183 CE for Perth, Australia: Śukla Pratipada, sūryodaya 06:01, sūryāsta 19:00.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2183-02-23","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2183-02-23","sa":"https://sa.vidhyamitra.com/city/perth/2183-02-23","hi":"https://hi.vidhyamitra.com/city/perth/2183-02-23","x-default":"https://vidhyamitra.com/city/perth/2183-02-23"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T03:45:58.835Z","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":"2026-05-31T03:45:58.835Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T03:45:58.835Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}