{"id":"vidhyamitra:city-day:perth:2004-12-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2004-12-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2004-12-12","date_display":"December 12, 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":12,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2453351.770833,"kali_year":5106,"ahargana":1864886.2708,"sun":{"sidereal_longitude":236.0101,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":234.8301,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":358.82,"elapsed_within_tithi_degrees":10.82},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3,"moon_longitude":234.8301,"elapsed_within_degrees":8.1634},"yoga":{"number":9,"name":"Śūla","sum_longitude":110.8402},"karana":{"half_tithi_index":59,"name":"Nāga"},"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":2004,"month":12,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2453351.770833,"ahargana":1864886.2708,"kali_year":5106,"ayanamsa_lahiri":23.9221,"grahas":{"sun":{"sidereal_longitude":236.43107800000007,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":236.231678,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false,"latitude":-3.2069},"mars":{"sidereal_longitude":206.73277800000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":232.3204780000001,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":171.29977800000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"venus":{"sidereal_longitude":210.20197800000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":92.27257800000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":9.3509,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":189.3509,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","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":2004,"month":12,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2453351.770833,"kali_year":5106,"ahargana":1864886.2708,"sun":{"sidereal_longitude":236.0101,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":234.8301,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":358.82,"elapsed_within_tithi_degrees":10.82},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3,"moon_longitude":234.8301,"elapsed_within_degrees":8.1634},"yoga":{"number":9,"name":"Śūla","sum_longitude":110.8402},"karana":{"half_tithi_index":59,"name":"Nāga"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.207,"elongation":1.18},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.207,"opposition_distance":178.82}},"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":"05:05","sunsetLocal":"19:17","solarNoonLocal":"12:11","dayLengthHours":14.203536572234363,"dayLengthDisplay":"14 Hours 12 Mins 13 Secs","nightLengthDisplay":"9 Hours 47 Mins 47 Secs","moonriseLocal":"05:05","moonsetLocal":"19:15","rahuKala":{"name":"Rāhu Kāla","start":"17:31","end":"19:17","startHours":17.509934730236,"endHours":19.285376801765295,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:11","end":"13:58","startHours":12.183608515648114,"endHours":13.959050587177408,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:44","end":"17:31","startHours":15.734492658706706,"endHours":17.509934730236,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:24","end":"08:52","startHours":8.395998763052285,"endHours":8.869449982126763,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:40","end":"06:03","startHours":5.673654253374032,"endHours":6.052415228633615,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:43","end":"12:39","startHours":11.710157296573636,"endHours":12.657059734722592,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:11","end":"04:08","startHours":3.1880353532330186,"endHours":4.134937791381976,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:54","end":"05:05","startHours":3.8982121818447366,"endHours":5.0818402295309335,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:33","end":"15:30","startHours":14.550864611020508,"endHours":15.497767049169465,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:05","end":"19:29","startHours":19.085376801765296,"endHours":19.485376801765295,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:17","end":"19:53","startHours":19.285376801765295,"endHours":19.877190825608395,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:02","end":"20:47","startHours":19.035376801765295,"endHours":20.785376801765295,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:43","end":"00:39","startHours":23.710157296573634,"endHours":24.657059734722594,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:05","end":"06:51","startHours":5.0818402295309335,"endHours":6.857282301060229,"quality":"inauspicious"},{"name":"Chala","start":"06:51","end":"08:38","startHours":6.857282301060229,"endHours":8.632724372589525,"quality":"neutral"},{"name":"Labha","start":"08:38","end":"10:24","startHours":8.632724372589525,"endHours":10.40816644411882,"quality":"auspicious"},{"name":"Amṛta","start":"10:24","end":"12:11","startHours":10.40816644411882,"endHours":12.183608515648114,"quality":"auspicious"},{"name":"Kāla","start":"12:11","end":"13:58","startHours":12.183608515648114,"endHours":13.959050587177408,"quality":"inauspicious"},{"name":"Śubha","start":"13:58","end":"15:44","startHours":13.959050587177408,"endHours":15.734492658706706,"quality":"auspicious"},{"name":"Roga","start":"15:44","end":"17:31","startHours":15.734492658706706,"endHours":17.509934730236,"quality":"inauspicious"},{"name":"Udveg","start":"17:31","end":"19:17","startHours":17.509934730236,"endHours":19.285376801765295,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"19:17","end":"20:31","startHours":19.285376801765295,"endHours":20.509934730236,"quality":"auspicious"},{"name":"Roga","start":"20:31","end":"21:44","startHours":20.509934730236,"endHours":21.734492658706706,"quality":"inauspicious"},{"name":"Udveg","start":"21:44","end":"22:58","startHours":21.734492658706706,"endHours":22.95905058717741,"quality":"inauspicious"},{"name":"Chala","start":"22:58","end":"00:11","startHours":22.95905058717741,"endHours":24.183608515648114,"quality":"neutral"},{"name":"Labha","start":"00:11","end":"01:24","startHours":24.183608515648114,"endHours":25.40816644411882,"quality":"auspicious"},{"name":"Amṛta","start":"01:24","end":"02:38","startHours":25.40816644411882,"endHours":26.63272437258952,"quality":"auspicious"},{"name":"Kāla","start":"02:38","end":"03:51","startHours":26.63272437258952,"endHours":27.857282301060227,"quality":"inauspicious"},{"name":"Śubha","start":"03:51","end":"05:05","startHours":27.857282301060227,"endHours":29.081840229530933,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:05","end":"06:05","startHours":5.0818402295309335,"endHours":6.0818402295309335,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:05","end":"07:05","startHours":6.0818402295309335,"endHours":7.0818402295309335,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:05","end":"08:05","startHours":7.0818402295309335,"endHours":8.081840229530933,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:05","end":"09:05","startHours":8.081840229530933,"endHours":9.081840229530933,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:05","end":"10:05","startHours":9.081840229530933,"endHours":10.081840229530933,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:05","end":"11:05","startHours":10.081840229530933,"endHours":11.081840229530933,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:05","end":"12:05","startHours":11.081840229530933,"endHours":12.081840229530933,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:05","end":"13:05","startHours":12.081840229530933,"endHours":13.081840229530933,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:05","end":"14:05","startHours":13.081840229530933,"endHours":14.081840229530933,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:05","end":"15:05","startHours":14.081840229530933,"endHours":15.081840229530933,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:05","end":"16:05","startHours":15.081840229530933,"endHours":16.081840229530933,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:05","end":"17:05","startHours":16.081840229530933,"endHours":17.081840229530933,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:05","end":"18:05","startHours":17.081840229530933,"endHours":18.081840229530933,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:05","end":"19:05","startHours":18.081840229530933,"endHours":19.081840229530933,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:05","end":"20:05","startHours":19.081840229530933,"endHours":20.081840229530933,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:05","end":"21:05","startHours":20.081840229530933,"endHours":21.081840229530933,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:05","end":"22:05","startHours":21.081840229530933,"endHours":22.081840229530933,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:05","end":"23:05","startHours":22.081840229530933,"endHours":23.081840229530933,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:05","end":"00:05","startHours":23.081840229530933,"endHours":24.081840229530933,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:05","end":"01:05","startHours":24.081840229530933,"endHours":25.081840229530933,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:05","end":"02:05","startHours":25.081840229530933,"endHours":26.081840229530933,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:05","end":"03:05","startHours":26.081840229530933,"endHours":27.081840229530933,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:05","end":"04:05","startHours":27.081840229530933,"endHours":28.081840229530933,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:05","end":"05:05","startHours":28.081840229530933,"endHours":29.081840229530933,"planetary_lord":"Jupiter"}],"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":"West (Paścim)","chandraVasa":"North-East","rahuVasa":"North-East","anandadiYoga":{"name":"Kāṇa","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.085747457061537,"eotMinutes":5.541489061113115,"ayanamsa":23.9221}},"calendars":{"vikram_samvat":2061,"vikram_samvatsara":"Hemalambī","saka_samvat":1926,"saka_samvatsara":"Tāraṇa","bengali_samvat":1411,"malayalam_era":1180,"nanakshahi_year":535,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Mārgaśīrṣa","lunar_month_amanta":"Kārtika","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Kṛṣṇa Amāvasyā · Vikram 2061 Hemalambī · Śaka 1926 Tāraṇa"},"festivals":[],"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":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Kṛṣṇa Amāvasyā + Jyeṣṭhā","url":"/day/-3137-10-20","relevance":1}]},"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 December 12, 2004 CE · Perth, Australia · Vidhyamitra","description":"December 12, 2004 CE for Perth, Australia: Kṛṣṇa Amāvasyā, sūryodaya 05:05, sūryāsta 19:17.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2004-12-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2004-12-12","sa":"https://sa.vidhyamitra.com/city/perth/2004-12-12","hi":"https://hi.vidhyamitra.com/city/perth/2004-12-12","x-default":"https://vidhyamitra.com/city/perth/2004-12-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T10:02:36.086Z","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":"2026-05-31T10:02:36.086Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T10:02:36.086Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}