{"id":"vidhyamitra:city-day:perth:2175-02-05:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2175-02-05","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2175-02-05","date_display":"February 5, 2175 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":2175,"month":2,"day":5,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2515497.770833,"kali_year":5276,"ahargana":1927032.2708,"sun":{"sidereal_longitude":289.3912,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":101.4279,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":172.0367,"elapsed_within_tithi_degrees":4.0367},"nakshatra":{"number":8,"name":"Puṣya","pada":3,"moon_longitude":101.4279,"elapsed_within_degrees":8.0946},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":30.8191},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"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":2175,"month":2,"day":5,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2515497.770833,"ahargana":1927032.2708,"kali_year":5276,"ayanamsa_lahiri":26.299,"grahas":{"sun":{"sidereal_longitude":289.774144,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"moon":{"sidereal_longitude":100.60324400000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false,"latitude":2.5876},"mars":{"sidereal_longitude":339.015844,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":268.2888439999999,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":278.337444,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":322.842944,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":353.926944,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":316.5568,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":136.5568,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"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":2175,"month":2,"day":5,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2515497.770833,"kali_year":5276,"ahargana":1927032.2708,"sun":{"sidereal_longitude":289.3912,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":101.4279,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":172.0367,"elapsed_within_tithi_degrees":4.0367},"nakshatra":{"number":8,"name":"Puṣya","pada":3,"moon_longitude":101.4279,"elapsed_within_degrees":8.0946},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":30.8191},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.588,"elongation":172.037},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.588,"opposition_distance":7.963}},"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":"05:45","sunsetLocal":"19:16","solarNoonLocal":"12:31","dayLengthHours":13.51378876160664,"dayLengthDisplay":"13 Hours 30 Mins 50 Secs","nightLengthDisplay":"10 Hours 29 Mins 10 Secs","moonriseLocal":"18:39","moonsetLocal":"05:09","rahuKala":{"name":"Rāhu Kāla","start":"17:35","end":"19:16","startHours":17.58030442261695,"endHours":19.26952801781778,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:31","end":"14:12","startHours":12.51263363701446,"endHours":14.20185723221529,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:53","end":"17:35","startHours":15.891080827416122,"endHours":17.58030442261695,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:55","end":"09:22","startHours":8.908956633919356,"endHours":9.359416259306245,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:19","end":"06:41","startHours":6.318813787944751,"endHours":6.679181488254262,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:04","end":"12:58","startHours":12.062174011627572,"endHours":12.963093262401348,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:57","end":"04:51","startHours":3.9539007546635885,"endHours":4.8548200054373645,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:38","end":"05:45","startHours":4.629590192743921,"endHours":5.7557392562111405,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:46","end":"15:40","startHours":14.764931763948901,"endHours":15.665851014722678,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:04","end":"19:28","startHours":19.06952801781778,"endHours":19.46952801781778,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:16","end":"19:50","startHours":19.26952801781778,"endHours":19.83260254955139,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:01","end":"20:46","startHours":19.01952801781778,"endHours":20.76952801781778,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:04","end":"00:58","startHours":24.062174011627572,"endHours":24.963093262401348,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:45","end":"07:27","startHours":5.7557392562111405,"endHours":7.444962851411971,"quality":"inauspicious"},{"name":"Chala","start":"07:27","end":"09:08","startHours":7.444962851411971,"endHours":9.134186446612802,"quality":"neutral"},{"name":"Labha","start":"09:08","end":"10:49","startHours":9.134186446612802,"endHours":10.82341004181363,"quality":"auspicious"},{"name":"Amṛta","start":"10:49","end":"12:31","startHours":10.82341004181363,"endHours":12.51263363701446,"quality":"auspicious"},{"name":"Kāla","start":"12:31","end":"14:12","startHours":12.51263363701446,"endHours":14.20185723221529,"quality":"inauspicious"},{"name":"Śubha","start":"14:12","end":"15:53","startHours":14.20185723221529,"endHours":15.891080827416122,"quality":"auspicious"},{"name":"Roga","start":"15:53","end":"17:35","startHours":15.891080827416122,"endHours":17.58030442261695,"quality":"inauspicious"},{"name":"Udveg","start":"17:35","end":"19:16","startHours":17.58030442261695,"endHours":19.26952801781778,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"19:16","end":"20:35","startHours":19.26952801781778,"endHours":20.58030442261695,"quality":"auspicious"},{"name":"Roga","start":"20:35","end":"21:53","startHours":20.58030442261695,"endHours":21.89108082741612,"quality":"inauspicious"},{"name":"Udveg","start":"21:53","end":"23:12","startHours":21.89108082741612,"endHours":23.20185723221529,"quality":"inauspicious"},{"name":"Chala","start":"23:12","end":"00:31","startHours":23.20185723221529,"endHours":24.51263363701446,"quality":"neutral"},{"name":"Labha","start":"00:31","end":"01:49","startHours":24.51263363701446,"endHours":25.82341004181363,"quality":"auspicious"},{"name":"Amṛta","start":"01:49","end":"03:08","startHours":25.82341004181363,"endHours":27.1341864466128,"quality":"auspicious"},{"name":"Kāla","start":"03:08","end":"04:27","startHours":27.1341864466128,"endHours":28.44496285141197,"quality":"inauspicious"},{"name":"Śubha","start":"04:27","end":"05:45","startHours":28.44496285141197,"endHours":29.75573925621114,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:45","end":"06:45","startHours":5.7557392562111405,"endHours":6.7557392562111405,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:45","end":"07:45","startHours":6.7557392562111405,"endHours":7.7557392562111405,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:45","end":"08:45","startHours":7.7557392562111405,"endHours":8.75573925621114,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:45","end":"09:45","startHours":8.75573925621114,"endHours":9.75573925621114,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:45","end":"10:45","startHours":9.75573925621114,"endHours":10.75573925621114,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:45","end":"11:45","startHours":10.75573925621114,"endHours":11.75573925621114,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:45","end":"12:45","startHours":11.75573925621114,"endHours":12.75573925621114,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:45","end":"13:45","startHours":12.75573925621114,"endHours":13.75573925621114,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:45","end":"14:45","startHours":13.75573925621114,"endHours":14.75573925621114,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:45","end":"15:45","startHours":14.75573925621114,"endHours":15.75573925621114,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:45","end":"16:45","startHours":15.75573925621114,"endHours":16.75573925621114,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:45","end":"17:45","startHours":16.75573925621114,"endHours":17.75573925621114,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:45","end":"18:45","startHours":17.75573925621114,"endHours":18.75573925621114,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:45","end":"19:45","startHours":18.75573925621114,"endHours":19.75573925621114,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:45","end":"20:45","startHours":19.75573925621114,"endHours":20.75573925621114,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:45","end":"21:45","startHours":20.75573925621114,"endHours":21.75573925621114,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:45","end":"22:45","startHours":21.75573925621114,"endHours":22.75573925621114,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:45","end":"23:45","startHours":22.75573925621114,"endHours":23.75573925621114,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:45","end":"00:45","startHours":23.75573925621114,"endHours":24.75573925621114,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:45","end":"01:45","startHours":24.75573925621114,"endHours":25.75573925621114,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:45","end":"02:45","startHours":25.75573925621114,"endHours":26.75573925621114,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:45","end":"03:45","startHours":26.75573925621114,"endHours":27.75573925621114,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:45","end":"04:45","startHours":27.75573925621114,"endHours":28.75573925621114,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:45","end":"05:45","startHours":28.75573925621114,"endHours":29.75573925621114,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara 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":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Śrīvatsa","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":-16.01700954577382,"eotMinutes":-14.200018220867548,"ayanamsa":26.299}},"calendars":{"vikram_samvat":2232,"vikram_samvatsara":"Sarvadhāri","saka_samvat":2097,"saka_samvatsara":"Yuva","bengali_samvat":1582,"malayalam_era":1351,"nanakshahi_year":706,"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 Pūrṇimā · Vikram 2232 Sarvadhāri · Śaka 2097 Yuva"},"festivals":[{"id":"magha-purnima","name":"Māghī Pūrṇimā","name_sanskrit":"माघी पूर्णिमा","tradition":"Pan-Hindu","significance":"Sacred snāna at Prayāga; Māgha-snāna culmination.","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Māgha"},"precedence":2}],"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":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Śukla Pūrṇimā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Śukla Pūrṇimā","url":"/day/-0562-04-11","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 5, 2175 CE · Perth, Australia · Vidhyamitra","description":"February 5, 2175 CE for Perth, Australia: Śukla Pūrṇimā, sūryodaya 05:45, sūryāsta 19:16.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2175-02-05","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2175-02-05","sa":"https://sa.vidhyamitra.com/city/perth/2175-02-05","hi":"https://hi.vidhyamitra.com/city/perth/2175-02-05","x-default":"https://vidhyamitra.com/city/perth/2175-02-05"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T03:52:13.713Z","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":"2026-05-31T03:52:13.713Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T03:52:13.713Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}