{"id":"vidhyamitra:city-day:perth:1997-02-03:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1997-02-03","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1997-02-03","date_display":"February 3, 1997 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":1997,"month":2,"day":3,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450482.770833,"kali_year":5098,"ahargana":1862017.2708,"sun":{"sidereal_longitude":290.4722,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":230.3775,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":299.9053,"elapsed_within_tithi_degrees":11.9053},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2,"moon_longitude":230.3775,"elapsed_within_degrees":3.7108},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":160.8496},"karana":{"half_tithi_index":49,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":1997,"month":2,"day":3,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2450482.770833,"ahargana":1862017.2708,"kali_year":5098,"ayanamsa_lahiri":23.8124,"grahas":{"sun":{"sidereal_longitude":290.433395,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"moon":{"sidereal_longitude":227.52209500000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false,"latitude":4.2009},"mars":{"sidereal_longitude":162.00439499999993,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":267.631395,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":279.15429500000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":276.082095,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":339.975995,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":161.3643,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":341.3643,"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":1997,"month":2,"day":3,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450482.770833,"kali_year":5098,"ahargana":1862017.2708,"sun":{"sidereal_longitude":290.4722,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":230.3775,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":299.9053,"elapsed_within_tithi_degrees":11.9053},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2,"moon_longitude":230.3775,"elapsed_within_degrees":3.7108},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":160.8496},"karana":{"half_tithi_index":49,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.201,"elongation":60.095},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.201,"opposition_distance":119.905}},"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":"05:44","sunsetLocal":"19:17","solarNoonLocal":"12:31","dayLengthHours":13.563624393536898,"dayLengthDisplay":"13 Hours 33 Mins 49 Secs","nightLengthDisplay":"10 Hours 26 Mins 11 Secs","moonriseLocal":"01:17","moonsetLocal":"15:21","rahuKala":{"name":"Rāhu Kāla","start":"07:25","end":"09:07","startHours":7.422448891571162,"endHours":9.117901940763275,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:49","end":"12:31","startHours":10.813354989955386,"endHours":12.5088080391475,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:12","end":"15:54","startHours":14.20426108833961,"endHours":15.899714137531724,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:54","end":"09:21","startHours":8.891841534204326,"endHours":9.343962347322222,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:18","end":"06:39","startHours":6.29214685877642,"endHours":6.653843509270738,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:03","end":"12:58","startHours":12.056687226029602,"endHours":12.960928852265397,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:55","end":"04:49","startHours":3.918512589907463,"endHours":4.822754216143257,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:36","end":"05:44","startHours":4.596693809584308,"endHours":5.72699584237905,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:46","end":"15:40","startHours":14.769412104736983,"endHours":15.673653730972775,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:05","end":"19:29","startHours":19.09062023591595,"endHours":19.490620235915948,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:17","end":"19:51","startHours":19.29062023591595,"endHours":19.855771252313318,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:02","end":"20:47","startHours":19.04062023591595,"endHours":20.79062023591595,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:03","end":"00:58","startHours":24.056687226029602,"endHours":24.960928852265397,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:44","end":"07:25","startHours":5.72699584237905,"endHours":7.422448891571162,"quality":"auspicious"},{"name":"Kāla","start":"07:25","end":"09:07","startHours":7.422448891571162,"endHours":9.117901940763275,"quality":"inauspicious"},{"name":"Śubha","start":"09:07","end":"10:49","startHours":9.117901940763275,"endHours":10.813354989955386,"quality":"auspicious"},{"name":"Roga","start":"10:49","end":"12:31","startHours":10.813354989955386,"endHours":12.5088080391475,"quality":"inauspicious"},{"name":"Udveg","start":"12:31","end":"14:12","startHours":12.5088080391475,"endHours":14.20426108833961,"quality":"inauspicious"},{"name":"Chala","start":"14:12","end":"15:54","startHours":14.20426108833961,"endHours":15.899714137531724,"quality":"neutral"},{"name":"Labha","start":"15:54","end":"17:36","startHours":15.899714137531724,"endHours":17.595167186723835,"quality":"auspicious"},{"name":"Amṛta","start":"17:36","end":"19:17","startHours":17.595167186723835,"endHours":19.29062023591595,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"19:17","end":"20:36","startHours":19.29062023591595,"endHours":20.595167186723835,"quality":"neutral"},{"name":"Labha","start":"20:36","end":"21:54","startHours":20.595167186723835,"endHours":21.899714137531724,"quality":"auspicious"},{"name":"Amṛta","start":"21:54","end":"23:12","startHours":21.899714137531724,"endHours":23.204261088339614,"quality":"auspicious"},{"name":"Kāla","start":"23:12","end":"00:31","startHours":23.204261088339614,"endHours":24.5088080391475,"quality":"inauspicious"},{"name":"Śubha","start":"00:31","end":"01:49","startHours":24.5088080391475,"endHours":25.813354989955386,"quality":"auspicious"},{"name":"Roga","start":"01:49","end":"03:07","startHours":25.813354989955386,"endHours":27.117901940763275,"quality":"inauspicious"},{"name":"Udveg","start":"03:07","end":"04:25","startHours":27.117901940763275,"endHours":28.422448891571165,"quality":"inauspicious"},{"name":"Chala","start":"04:25","end":"05:44","startHours":28.422448891571165,"endHours":29.72699584237905,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:44","end":"06:44","startHours":5.72699584237905,"endHours":6.72699584237905,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:44","end":"07:44","startHours":6.72699584237905,"endHours":7.72699584237905,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:44","end":"08:44","startHours":7.72699584237905,"endHours":8.72699584237905,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:44","end":"09:44","startHours":8.72699584237905,"endHours":9.72699584237905,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:44","end":"10:44","startHours":9.72699584237905,"endHours":10.72699584237905,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:44","end":"11:44","startHours":10.72699584237905,"endHours":11.72699584237905,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:44","end":"12:44","startHours":11.72699584237905,"endHours":12.72699584237905,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:44","end":"13:44","startHours":12.72699584237905,"endHours":13.72699584237905,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:44","end":"14:44","startHours":13.72699584237905,"endHours":14.72699584237905,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:44","end":"15:44","startHours":14.72699584237905,"endHours":15.72699584237905,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:44","end":"16:44","startHours":15.72699584237905,"endHours":16.72699584237905,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:44","end":"17:44","startHours":16.72699584237905,"endHours":17.72699584237905,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:44","end":"18:44","startHours":17.72699584237905,"endHours":18.72699584237905,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:44","end":"19:44","startHours":18.72699584237905,"endHours":19.72699584237905,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:44","end":"20:44","startHours":19.72699584237905,"endHours":20.72699584237905,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:44","end":"21:44","startHours":20.72699584237905,"endHours":21.72699584237905,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:44","end":"22:44","startHours":21.72699584237905,"endHours":22.72699584237905,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:44","end":"23:44","startHours":22.72699584237905,"endHours":23.72699584237905,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:44","end":"00:44","startHours":23.72699584237905,"endHours":24.72699584237905,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:44","end":"01:44","startHours":24.72699584237905,"endHours":25.72699584237905,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:44","end":"02:44","startHours":25.72699584237905,"endHours":26.72699584237905,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:44","end":"03:44","startHours":26.72699584237905,"endHours":27.72699584237905,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:44","end":"04:44","startHours":27.72699584237905,"endHours":28.72699584237905,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:44","end":"05:44","startHours":28.72699584237905,"endHours":29.72699584237905,"planetary_lord":"Venus"}],"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":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-East","rahuVasa":"North-East","anandadiYoga":{"name":"Mausala","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":-16.553881523836846,"eotMinutes":-13.970482348849993,"ayanamsa":23.8124}},"calendars":{"vikram_samvat":2054,"vikram_samvatsara":"Vikṛti","saka_samvat":1919,"saka_samvatsara":"Īśvara","bengali_samvat":1404,"malayalam_era":1173,"nanakshahi_year":528,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Pauṣa","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 Kṛṣṇa Daśamī · Vikram 2054 Vikṛti · Śaka 1919 Īśvara"},"festivals":[],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Jyeṣṭhā","url":"/day/-3137-10-20","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 3, 1997 CE · Perth, Australia · Vidhyamitra","description":"February 3, 1997 CE for Perth, Australia: Kṛṣṇa Daśamī, sūryodaya 05:44, sūryāsta 19:17.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1997-02-03","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1997-02-03","sa":"https://sa.vidhyamitra.com/city/perth/1997-02-03","hi":"https://hi.vidhyamitra.com/city/perth/1997-02-03","x-default":"https://vidhyamitra.com/city/perth/1997-02-03"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T09:59:33.891Z","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":"2026-05-31T09:59:33.891Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T09:59:33.891Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}