{"id":"vidhyamitra:city-day:perth:2002-02-05:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2002-02-05","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2002-02-05","date_display":"February 5, 2002 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":2002,"month":2,"day":5,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452310.770833,"kali_year":5103,"ahargana":1863845.2708,"sun":{"sidereal_longitude":292.2133,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":205.0752,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":272.8619,"elapsed_within_tithi_degrees":8.8619},"nakshatra":{"number":16,"name":"Viśākhā","pada":2,"moon_longitude":205.0752,"elapsed_within_degrees":5.0752},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":137.2884},"karana":{"half_tithi_index":45,"name":"Kaulava"},"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":2002,"month":2,"day":5,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2452310.770833,"ahargana":1863845.2708,"kali_year":5103,"ayanamsa_lahiri":23.8823,"grahas":{"sun":{"sidereal_longitude":292.175252,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"moon":{"sidereal_longitude":208.08795199999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false,"latitude":2.8565},"mars":{"sidereal_longitude":348.529252,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":275.55045199999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":72.63365199999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":297.31895199999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":44.05535199999997,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":64.5081,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":244.5081,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","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":2002,"month":2,"day":5,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452310.770833,"kali_year":5103,"ahargana":1863845.2708,"sun":{"sidereal_longitude":292.2133,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":205.0752,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":272.8619,"elapsed_within_tithi_degrees":8.8619},"nakshatra":{"number":16,"name":"Viśākhā","pada":2,"moon_longitude":205.0752,"elapsed_within_degrees":5.0752},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":137.2884},"karana":{"half_tithi_index":45,"name":"Kaulava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.857,"elongation":87.138},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.857,"opposition_distance":92.862}},"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":13.514218559191178,"dayLengthDisplay":"13 Hours 30 Mins 51 Secs","nightLengthDisplay":"10 Hours 29 Mins 09 Secs","moonriseLocal":"00:04","moonsetLocal":"13:45","rahuKala":{"name":"Rāhu Kāla","start":"15:53","end":"17:35","startHours":15.891188276812255,"endHours":17.580465596711154,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:08","end":"10:49","startHours":9.134078997216665,"endHours":10.823356317115564,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:31","end":"14:12","startHours":12.51263363701446,"endHours":14.201910956913359,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:55","end":"09:22","startHours":8.908842021230146,"endHours":9.359315973203186,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:19","end":"06:41","startHours":6.318616797385171,"endHours":6.678995958963602,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:04","end":"12:58","startHours":12.06215968504142,"endHours":12.9631075889875,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:57","end":"04:51","startHours":3.9536285495267145,"endHours":4.854576453472793,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:38","end":"05:45","startHours":4.6293394774862735,"endHours":5.755524357418872,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:46","end":"15:40","startHours":14.765003396879656,"endHours":15.665951300825736,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:04","end":"19:28","startHours":19.06974291661005,"endHours":19.46974291661005,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:16","end":"19:50","startHours":19.26974291661005,"endHours":19.832835356576346,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:01","end":"20:46","startHours":19.01974291661005,"endHours":20.76974291661005,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:04","end":"00:58","startHours":24.062159685041422,"endHours":24.963107588987498,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:45","end":"07:27","startHours":5.755524357418872,"endHours":7.444801677317769,"quality":"inauspicious"},{"name":"Udveg","start":"07:27","end":"09:08","startHours":7.444801677317769,"endHours":9.134078997216665,"quality":"inauspicious"},{"name":"Chala","start":"09:08","end":"10:49","startHours":9.134078997216665,"endHours":10.823356317115564,"quality":"neutral"},{"name":"Labha","start":"10:49","end":"12:31","startHours":10.823356317115564,"endHours":12.51263363701446,"quality":"auspicious"},{"name":"Amṛta","start":"12:31","end":"14:12","startHours":12.51263363701446,"endHours":14.201910956913359,"quality":"auspicious"},{"name":"Kāla","start":"14:12","end":"15:53","startHours":14.201910956913359,"endHours":15.891188276812255,"quality":"inauspicious"},{"name":"Śubha","start":"15:53","end":"17:35","startHours":15.891188276812255,"endHours":17.580465596711154,"quality":"auspicious"},{"name":"Roga","start":"17:35","end":"19:16","startHours":17.580465596711154,"endHours":19.26974291661005,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"19:16","end":"20:35","startHours":19.26974291661005,"endHours":20.58046559671115,"quality":"inauspicious"},{"name":"Śubha","start":"20:35","end":"21:53","startHours":20.58046559671115,"endHours":21.891188276812255,"quality":"auspicious"},{"name":"Roga","start":"21:53","end":"23:12","startHours":21.891188276812255,"endHours":23.20191095691336,"quality":"inauspicious"},{"name":"Udveg","start":"23:12","end":"00:31","startHours":23.20191095691336,"endHours":24.51263363701446,"quality":"inauspicious"},{"name":"Chala","start":"00:31","end":"01:49","startHours":24.51263363701446,"endHours":25.82335631711556,"quality":"neutral"},{"name":"Labha","start":"01:49","end":"03:08","startHours":25.82335631711556,"endHours":27.134078997216665,"quality":"auspicious"},{"name":"Amṛta","start":"03:08","end":"04:27","startHours":27.134078997216665,"endHours":28.44480167731777,"quality":"auspicious"},{"name":"Kāla","start":"04:27","end":"05:45","startHours":28.44480167731777,"endHours":29.75552435741887,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:45","end":"06:45","startHours":5.755524357418872,"endHours":6.755524357418872,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:45","end":"07:45","startHours":6.755524357418872,"endHours":7.755524357418872,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:45","end":"08:45","startHours":7.755524357418872,"endHours":8.75552435741887,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:45","end":"09:45","startHours":8.75552435741887,"endHours":9.75552435741887,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:45","end":"10:45","startHours":9.75552435741887,"endHours":10.75552435741887,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:45","end":"11:45","startHours":10.75552435741887,"endHours":11.75552435741887,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:45","end":"12:45","startHours":11.75552435741887,"endHours":12.75552435741887,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:45","end":"13:45","startHours":12.75552435741887,"endHours":13.75552435741887,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:45","end":"14:45","startHours":13.75552435741887,"endHours":14.75552435741887,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:45","end":"15:45","startHours":14.75552435741887,"endHours":15.75552435741887,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:45","end":"16:45","startHours":15.75552435741887,"endHours":16.75552435741887,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:45","end":"17:45","startHours":16.75552435741887,"endHours":17.75552435741887,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:45","end":"18:45","startHours":17.75552435741887,"endHours":18.75552435741887,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:45","end":"19:45","startHours":18.75552435741887,"endHours":19.75552435741887,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:45","end":"20:45","startHours":19.75552435741887,"endHours":20.75552435741887,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:45","end":"21:45","startHours":20.75552435741887,"endHours":21.75552435741887,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:45","end":"22:45","startHours":21.75552435741887,"endHours":22.75552435741887,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:45","end":"23:45","startHours":22.75552435741887,"endHours":23.75552435741887,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:45","end":"00:45","startHours":23.75552435741887,"endHours":24.75552435741887,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:45","end":"01:45","startHours":24.75552435741887,"endHours":25.75552435741887,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:45","end":"02:45","startHours":25.75552435741887,"endHours":26.75552435741887,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:45","end":"03:45","startHours":26.75552435741887,"endHours":27.75552435741887,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:45","end":"04:45","startHours":27.75552435741887,"endHours":28.75552435741887,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:45","end":"05:45","startHours":28.75552435741887,"endHours":29.75552435741887,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"North","rahuVasa":"North","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-16.021655823333358,"eotMinutes":-14.200018220867548,"ayanamsa":23.8823}},"calendars":{"vikram_samvat":2059,"vikram_samvatsara":"Manmatha","saka_samvat":1924,"saka_samvatsara":"Citrabhānu","bengali_samvat":1409,"malayalam_era":1178,"nanakshahi_year":533,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Aṣṭamī · Vikram 2059 Manmatha · Śaka 1924 Citrabhānu"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2}],"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":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Kṛṣṇa Aṣṭamī","url":"/day/-3226-07-09","relevance":0.5},{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","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, 2002 CE · Perth, Australia · Vidhyamitra","description":"February 5, 2002 CE for Perth, Australia: Kṛṣṇa Aṣṭamī, sūryodaya 05:45, sūryāsta 19:16.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2002-02-05","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2002-02-05","sa":"https://sa.vidhyamitra.com/city/perth/2002-02-05","hi":"https://hi.vidhyamitra.com/city/perth/2002-02-05","x-default":"https://vidhyamitra.com/city/perth/2002-02-05"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-16T13:37:04.380Z","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":"2026-05-16T13:37:04.380Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-16T13:37:04.380Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}