{"id":"vidhyamitra:city-day:perth:2004-02-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2004-02-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2004-02-07","date_display":"February 7, 2004 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":2004,"month":2,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2453042.770833,"kali_year":5105,"ahargana":1864577.2708,"sun":{"sidereal_longitude":293.725,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":121.31,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":187.5849,"elapsed_within_tithi_degrees":7.5849},"nakshatra":{"number":10,"name":"Maghā","pada":1,"moon_longitude":121.31,"elapsed_within_degrees":1.31},"yoga":{"number":5,"name":"Śobhana","sum_longitude":55.035},"karana":{"half_tithi_index":31,"name":"Kaulava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":2004,"month":2,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2453042.770833,"ahargana":1864577.2708,"kali_year":5105,"ayanamsa_lahiri":23.9103,"grahas":{"sun":{"sidereal_longitude":293.68298400000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":121.70158400000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false,"latitude":4.4786},"mars":{"sidereal_longitude":8.291984000000014,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":275.875984,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":143.26478399999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":true},"venus":{"sidereal_longitude":334.0810839999999,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":73.04278399999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":25.7232,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":205.7232,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","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":2004,"month":2,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2453042.770833,"kali_year":5105,"ahargana":1864577.2708,"sun":{"sidereal_longitude":293.725,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":121.31,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":187.5849,"elapsed_within_tithi_degrees":7.5849},"nakshatra":{"number":10,"name":"Maghā","pada":1,"moon_longitude":121.31,"elapsed_within_degrees":1.31},"yoga":{"number":5,"name":"Śobhana","sum_longitude":55.035},"karana":{"half_tithi_index":31,"name":"Kaulava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.479,"elongation":172.415},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.479,"opposition_distance":7.585}},"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":"05:47","sunsetLocal":"19:15","solarNoonLocal":"12:31","dayLengthHours":13.471523526482207,"dayLengthDisplay":"13 Hours 28 Mins 17 Secs","nightLengthDisplay":"10 Hours 31 Mins 43 Secs","moonriseLocal":"19:33","moonsetLocal":"06:33","rahuKala":{"name":"Rāhu Kāla","start":"09:09","end":"10:50","startHours":9.147713326868892,"endHours":10.831653767679168,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:12","end":"15:53","startHours":14.19953464929972,"endHours":15.883475090109995,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:47","end":"07:28","startHours":5.77983244524834,"endHours":7.463772886058616,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:55","end":"09:22","startHours":8.923187934760854,"endHours":9.372238718976929,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:20","end":"06:42","startHours":6.341145925518433,"endHours":6.700386552891292,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:04","end":"12:58","startHours":12.06654342427337,"endHours":12.964644992705516,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:59","end":"04:53","startHours":3.983629308384046,"endHours":4.881730876816193,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:39","end":"05:47","startHours":4.6572054847081565,"endHours":5.77983244524834,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:46","end":"15:40","startHours":14.76084812956981,"endHours":15.658949698001956,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:03","end":"19:27","startHours":19.051355971730548,"endHours":19.451355971730546,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:15","end":"19:49","startHours":19.251355971730547,"endHours":19.812669452000637,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:00","end":"20:45","startHours":19.001355971730547,"endHours":20.751355971730547,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:04","end":"00:58","startHours":24.06654342427337,"endHours":24.964644992705516,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:47","end":"07:28","startHours":5.77983244524834,"endHours":7.463772886058616,"quality":"inauspicious"},{"name":"Śubha","start":"07:28","end":"09:09","startHours":7.463772886058616,"endHours":9.147713326868892,"quality":"auspicious"},{"name":"Roga","start":"09:09","end":"10:50","startHours":9.147713326868892,"endHours":10.831653767679168,"quality":"inauspicious"},{"name":"Udveg","start":"10:50","end":"12:31","startHours":10.831653767679168,"endHours":12.515594208489443,"quality":"inauspicious"},{"name":"Chala","start":"12:31","end":"14:12","startHours":12.515594208489443,"endHours":14.19953464929972,"quality":"neutral"},{"name":"Labha","start":"14:12","end":"15:53","startHours":14.19953464929972,"endHours":15.883475090109995,"quality":"auspicious"},{"name":"Amṛta","start":"15:53","end":"17:34","startHours":15.883475090109995,"endHours":17.56741553092027,"quality":"auspicious"},{"name":"Kāla","start":"17:34","end":"19:15","startHours":17.56741553092027,"endHours":19.251355971730547,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"19:15","end":"20:34","startHours":19.251355971730547,"endHours":20.56741553092027,"quality":"auspicious"},{"name":"Amṛta","start":"20:34","end":"21:53","startHours":20.56741553092027,"endHours":21.883475090109997,"quality":"auspicious"},{"name":"Kāla","start":"21:53","end":"23:12","startHours":21.883475090109997,"endHours":23.19953464929972,"quality":"inauspicious"},{"name":"Śubha","start":"23:12","end":"00:31","startHours":23.19953464929972,"endHours":24.515594208489443,"quality":"auspicious"},{"name":"Roga","start":"00:31","end":"01:50","startHours":24.515594208489443,"endHours":25.831653767679168,"quality":"inauspicious"},{"name":"Udveg","start":"01:50","end":"03:09","startHours":25.831653767679168,"endHours":27.147713326868892,"quality":"inauspicious"},{"name":"Chala","start":"03:09","end":"04:28","startHours":27.147713326868892,"endHours":28.463772886058614,"quality":"neutral"},{"name":"Labha","start":"04:28","end":"05:47","startHours":28.463772886058614,"endHours":29.77983244524834,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:47","end":"06:47","startHours":5.77983244524834,"endHours":6.77983244524834,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:47","end":"07:47","startHours":6.77983244524834,"endHours":7.77983244524834,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:47","end":"08:47","startHours":7.77983244524834,"endHours":8.77983244524834,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:47","end":"09:47","startHours":8.77983244524834,"endHours":9.77983244524834,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:47","end":"10:47","startHours":9.77983244524834,"endHours":10.77983244524834,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:47","end":"11:47","startHours":10.77983244524834,"endHours":11.77983244524834,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:47","end":"12:47","startHours":11.77983244524834,"endHours":12.77983244524834,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:47","end":"13:47","startHours":12.77983244524834,"endHours":13.77983244524834,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:47","end":"14:47","startHours":13.77983244524834,"endHours":14.77983244524834,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:47","end":"15:47","startHours":14.77983244524834,"endHours":15.77983244524834,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:47","end":"16:47","startHours":15.77983244524834,"endHours":16.77983244524834,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:47","end":"17:47","startHours":16.77983244524834,"endHours":17.77983244524834,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:47","end":"18:47","startHours":17.77983244524834,"endHours":18.77983244524834,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:47","end":"19:47","startHours":18.77983244524834,"endHours":19.77983244524834,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:47","end":"20:47","startHours":19.77983244524834,"endHours":20.77983244524834,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:47","end":"21:47","startHours":20.77983244524834,"endHours":21.77983244524834,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:47","end":"22:47","startHours":21.77983244524834,"endHours":22.77983244524834,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:47","end":"23:47","startHours":22.77983244524834,"endHours":23.77983244524834,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:47","end":"00:47","startHours":23.77983244524834,"endHours":24.77983244524834,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:47","end":"01:47","startHours":24.77983244524834,"endHours":25.77983244524834,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:47","end":"02:47","startHours":25.77983244524834,"endHours":26.77983244524834,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:47","end":"03:47","startHours":26.77983244524834,"endHours":27.77983244524834,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:47","end":"04:47","startHours":27.77983244524834,"endHours":28.77983244524834,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:47","end":"05:47","startHours":28.77983244524834,"endHours":29.77983244524834,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"West","rahuVasa":"East","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"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":-15.558752971251781,"eotMinutes":-14.37765250936663,"ayanamsa":23.9103}},"calendars":{"vikram_samvat":2061,"vikram_samvatsara":"Hemalambī","saka_samvat":1926,"saka_samvatsara":"Tāraṇa","bengali_samvat":1411,"malayalam_era":1180,"nanakshahi_year":535,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Pratipada · Vikram 2061 Hemalambī · Śaka 1926 Tāraṇa"},"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":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 7, 2004 CE · Perth, Australia · Vidhyamitra","description":"February 7, 2004 CE for Perth, Australia: Kṛṣṇa Pratipada, sūryodaya 05:47, sūryāsta 19:15.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2004-02-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2004-02-07","sa":"https://sa.vidhyamitra.com/city/perth/2004-02-07","hi":"https://hi.vidhyamitra.com/city/perth/2004-02-07","x-default":"https://vidhyamitra.com/city/perth/2004-02-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-16T18:27:36.913Z","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":"2026-05-16T18:27:36.913Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-16T18:27:36.913Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}