{"id":"vidhyamitra:city-day:perth:2148-02-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2148-02-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2148-02-28","date_display":"February 28, 2148 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":2148,"month":2,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2505658.770833,"kali_year":5249,"ahargana":1917193.2708,"sun":{"sidereal_longitude":312.7358,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":57.7249,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":104.9891,"elapsed_within_tithi_degrees":8.9891},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":2,"moon_longitude":57.7249,"elapsed_within_degrees":4.3916},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":10.4607},"karana":{"half_tithi_index":17,"name":"Kaulava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2148,"month":2,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2505658.770833,"ahargana":1917193.2708,"kali_year":5249,"ayanamsa_lahiri":25.9226,"grahas":{"sun":{"sidereal_longitude":312.93896599999994,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":60.900666,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false,"latitude":-3.902},"mars":{"sidereal_longitude":265.38876600000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":296.4899660000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":192.96616600000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":357.095466,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":26.659065999999996,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":117.8743,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":297.8743,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","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":2148,"month":2,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2505658.770833,"kali_year":5249,"ahargana":1917193.2708,"sun":{"sidereal_longitude":312.7358,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":57.7249,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":104.9891,"elapsed_within_tithi_degrees":8.9891},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":2,"moon_longitude":57.7249,"elapsed_within_degrees":4.3916},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":10.4607},"karana":{"half_tithi_index":17,"name":"Kaulava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.902,"elongation":104.989},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.902,"opposition_distance":75.011}},"eclipse_window_40days":[{"offset_days":-8,"type":"solar","occurs":true,"moon_latitude":-0.565,"elongation":0.88}]},"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":"06:05","sunsetLocal":"18:55","solarNoonLocal":"12:30","dayLengthHours":12.824373707290636,"dayLengthDisplay":"12 Hours 49 Mins 28 Secs","nightLengthDisplay":"11 Hours 10 Mins 32 Secs","moonriseLocal":"14:41","moonsetLocal":"00:42","rahuKala":{"name":"Rāhu Kāla","start":"12:30","end":"14:06","startHours":12.496350980433792,"endHours":14.09939769384512,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:41","end":"09:17","startHours":7.687210840199803,"endHours":9.290257553611132,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:54","end":"12:30","startHours":10.893304267022462,"endHours":12.496350980433792,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:05","end":"09:30","startHours":9.076517991822955,"endHours":9.50399711539931,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:37","end":"06:58","startHours":6.618513031258916,"endHours":6.96049633012,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:04","end":"12:55","startHours":12.068871856857436,"endHours":12.923830104010145,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:22","end":"05:14","startHours":4.374247632483055,"endHours":5.2292058796357646,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:01","end":"06:05","startHours":5.015466317847587,"endHours":6.084164126788473,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:38","end":"15:29","startHours":14.633746598315565,"endHours":15.488704845468273,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:43","end":"19:07","startHours":18.70853783407911,"endHours":19.108537834079108,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:55","end":"19:27","startHours":18.90853783407911,"endHours":19.442886738549554,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:40","end":"20:25","startHours":18.65853783407911,"endHours":20.40853783407911,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:04","end":"00:55","startHours":24.068871856857434,"endHours":24.923830104010143,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:05","end":"07:41","startHours":6.084164126788473,"endHours":7.687210840199803,"quality":"auspicious"},{"name":"Amṛta","start":"07:41","end":"09:17","startHours":7.687210840199803,"endHours":9.290257553611132,"quality":"auspicious"},{"name":"Kāla","start":"09:17","end":"10:54","startHours":9.290257553611132,"endHours":10.893304267022462,"quality":"inauspicious"},{"name":"Śubha","start":"10:54","end":"12:30","startHours":10.893304267022462,"endHours":12.496350980433792,"quality":"auspicious"},{"name":"Roga","start":"12:30","end":"14:06","startHours":12.496350980433792,"endHours":14.09939769384512,"quality":"inauspicious"},{"name":"Udveg","start":"14:06","end":"15:42","startHours":14.09939769384512,"endHours":15.70244440725645,"quality":"inauspicious"},{"name":"Chala","start":"15:42","end":"17:18","startHours":15.70244440725645,"endHours":17.30549112066778,"quality":"neutral"},{"name":"Labha","start":"17:18","end":"18:55","startHours":17.30549112066778,"endHours":18.90853783407911,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:55","end":"20:18","startHours":18.90853783407911,"endHours":20.305491120667778,"quality":"inauspicious"},{"name":"Chala","start":"20:18","end":"21:42","startHours":20.305491120667778,"endHours":21.70244440725645,"quality":"neutral"},{"name":"Labha","start":"21:42","end":"23:06","startHours":21.70244440725645,"endHours":23.09939769384512,"quality":"auspicious"},{"name":"Amṛta","start":"23:06","end":"00:30","startHours":23.09939769384512,"endHours":24.49635098043379,"quality":"auspicious"},{"name":"Kāla","start":"00:30","end":"01:54","startHours":24.49635098043379,"endHours":25.89330426702246,"quality":"inauspicious"},{"name":"Śubha","start":"01:54","end":"03:17","startHours":25.89330426702246,"endHours":27.29025755361113,"quality":"auspicious"},{"name":"Roga","start":"03:17","end":"04:41","startHours":27.29025755361113,"endHours":28.687210840199803,"quality":"inauspicious"},{"name":"Udveg","start":"04:41","end":"06:05","startHours":28.687210840199803,"endHours":30.084164126788473,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:05","end":"07:05","startHours":6.084164126788473,"endHours":7.084164126788473,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:05","end":"08:05","startHours":7.084164126788473,"endHours":8.084164126788473,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:05","end":"09:05","startHours":8.084164126788473,"endHours":9.084164126788473,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:05","end":"10:05","startHours":9.084164126788473,"endHours":10.084164126788473,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:05","end":"11:05","startHours":10.084164126788473,"endHours":11.084164126788473,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:05","end":"12:05","startHours":11.084164126788473,"endHours":12.084164126788473,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:05","end":"13:05","startHours":12.084164126788473,"endHours":13.084164126788473,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:05","end":"14:05","startHours":13.084164126788473,"endHours":14.084164126788473,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:05","end":"15:05","startHours":14.084164126788473,"endHours":15.084164126788473,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:05","end":"16:05","startHours":15.084164126788473,"endHours":16.084164126788473,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:05","end":"17:05","startHours":16.084164126788473,"endHours":17.084164126788473,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:05","end":"18:05","startHours":17.084164126788473,"endHours":18.084164126788473,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:05","end":"19:05","startHours":18.084164126788473,"endHours":19.084164126788473,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:05","end":"20:05","startHours":19.084164126788473,"endHours":20.084164126788473,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:05","end":"21:05","startHours":20.084164126788473,"endHours":21.084164126788473,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:05","end":"22:05","startHours":21.084164126788473,"endHours":22.084164126788473,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:05","end":"23:05","startHours":22.084164126788473,"endHours":23.084164126788473,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:05","end":"00:05","startHours":23.084164126788473,"endHours":24.084164126788473,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:05","end":"01:05","startHours":24.084164126788473,"endHours":25.084164126788473,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:05","end":"02:05","startHours":25.084164126788473,"endHours":26.084164126788473,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:05","end":"03:05","startHours":26.084164126788473,"endHours":27.084164126788473,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:05","end":"04:05","startHours":27.084164126788473,"endHours":28.084164126788473,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:05","end":"05:05","startHours":28.084164126788473,"endHours":29.084164126788473,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:05","end":"06:05","startHours":29.084164126788473,"endHours":30.084164126788473,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South","rahuVasa":"South-West","anandadiYoga":{"name":"Mṛtyu","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-8.246449508232473,"eotMinutes":-13.223058826027486,"ayanamsa":25.9226}},"calendars":{"vikram_samvat":2205,"vikram_samvatsara":"Durmati","saka_samvat":2070,"saka_samvatsara":"Kīlaka","bengali_samvat":1555,"malayalam_era":1324,"nanakshahi_year":679,"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 Navamī · Vikram 2205 Durmati · Śaka 2070 Kīlaka"},"festivals":[],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 Śukla Navamī","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 28, 2148 CE · Perth, Australia · Vidhyamitra","description":"February 28, 2148 CE for Perth, Australia: Śukla Navamī, sūryodaya 06:05, sūryāsta 18:55.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2148-02-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2148-02-28","sa":"https://sa.vidhyamitra.com/city/perth/2148-02-28","hi":"https://hi.vidhyamitra.com/city/perth/2148-02-28","x-default":"https://vidhyamitra.com/city/perth/2148-02-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T00:03:17.691Z","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":"2026-05-31T00:03:17.691Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T00:03:17.691Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}