{"id":"vidhyamitra:city-day:perth:2034-12-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2034-12-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2034-12-13","date_display":"December 13, 2034 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":2034,"month":12,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2464309.770833,"kali_year":5136,"ahargana":1875844.2708,"sun":{"sidereal_longitude":236.2534,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":262.5555,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":26.3021,"elapsed_within_tithi_degrees":2.3021},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3,"moon_longitude":262.5555,"elapsed_within_degrees":9.2222},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":138.8089},"karana":{"half_tithi_index":4,"name":"Taitila"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2034,"month":12,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2464309.770833,"ahargana":1875844.2708,"kali_year":5136,"ayanamsa_lahiri":24.3412,"grahas":{"sun":{"sidereal_longitude":236.74330200000009,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":260.94680199999993,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false,"latitude":4.1162},"mars":{"sidereal_longitude":195.90750200000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":242.000902,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":339.371702,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":190.94440200000008,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":100.02800200000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":148.7433,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":328.7433,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva 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":2034,"month":12,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2464309.770833,"kali_year":5136,"ahargana":1875844.2708,"sun":{"sidereal_longitude":236.2534,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":262.5555,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":26.3021,"elapsed_within_tithi_degrees":2.3021},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3,"moon_longitude":262.5555,"elapsed_within_degrees":9.2222},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":138.8089},"karana":{"half_tithi_index":4,"name":"Taitila"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.116,"elongation":26.302},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.116,"opposition_distance":153.698}},"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":"19:18","solarNoonLocal":"12:11","dayLengthHours":14.208823376277312,"dayLengthDisplay":"14 Hours 12 Mins 32 Secs","nightLengthDisplay":"9 Hours 47 Mins 28 Secs","moonriseLocal":"06:45","moonsetLocal":"20:51","rahuKala":{"name":"Rāhu Kāla","start":"12:11","end":"13:58","startHours":12.19112249584303,"endHours":13.967225417877694,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:52","end":"08:38","startHours":6.862813729739038,"endHours":8.638916651773702,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:25","end":"12:11","startHours":10.415019573808367,"endHours":12.19112249584303,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:24","end":"08:53","startHours":8.402102928835747,"endHours":8.875730374711658,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:41","end":"06:03","startHours":5.678745115049263,"endHours":6.057647071749991,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:43","end":"12:40","startHours":11.71749504996712,"endHours":12.664749941718942,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:12","end":"04:08","startHours":3.192201024200733,"endHours":4.139455915952554,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:54","end":"05:05","startHours":3.9026421930145987,"endHours":5.086710807704375,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:34","end":"15:30","startHours":14.559259725222581,"endHours":15.506514616974401,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:06","end":"19:30","startHours":19.095534183981687,"endHours":19.495534183981686,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:18","end":"19:53","startHours":19.295534183981687,"endHours":19.887568491326576,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:03","end":"20:48","startHours":19.045534183981687,"endHours":20.795534183981687,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:43","end":"00:40","startHours":23.717495049967123,"endHours":24.66474994171894,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:05","end":"06:52","startHours":5.086710807704375,"endHours":6.862813729739038,"quality":"auspicious"},{"name":"Amṛta","start":"06:52","end":"08:38","startHours":6.862813729739038,"endHours":8.638916651773702,"quality":"auspicious"},{"name":"Kāla","start":"08:38","end":"10:25","startHours":8.638916651773702,"endHours":10.415019573808367,"quality":"inauspicious"},{"name":"Śubha","start":"10:25","end":"12:11","startHours":10.415019573808367,"endHours":12.19112249584303,"quality":"auspicious"},{"name":"Roga","start":"12:11","end":"13:58","startHours":12.19112249584303,"endHours":13.967225417877694,"quality":"inauspicious"},{"name":"Udveg","start":"13:58","end":"15:45","startHours":13.967225417877694,"endHours":15.74332833991236,"quality":"inauspicious"},{"name":"Chala","start":"15:45","end":"17:31","startHours":15.74332833991236,"endHours":17.519431261947023,"quality":"neutral"},{"name":"Labha","start":"17:31","end":"19:18","startHours":17.519431261947023,"endHours":19.295534183981687,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"19:18","end":"20:31","startHours":19.295534183981687,"endHours":20.519431261947023,"quality":"inauspicious"},{"name":"Chala","start":"20:31","end":"21:45","startHours":20.519431261947023,"endHours":21.74332833991236,"quality":"neutral"},{"name":"Labha","start":"21:45","end":"22:58","startHours":21.74332833991236,"endHours":22.967225417877696,"quality":"auspicious"},{"name":"Amṛta","start":"22:58","end":"00:11","startHours":22.967225417877696,"endHours":24.191122495843032,"quality":"auspicious"},{"name":"Kāla","start":"00:11","end":"01:25","startHours":24.191122495843032,"endHours":25.415019573808365,"quality":"inauspicious"},{"name":"Śubha","start":"01:25","end":"02:38","startHours":25.415019573808365,"endHours":26.6389166517737,"quality":"auspicious"},{"name":"Roga","start":"02:38","end":"03:52","startHours":26.6389166517737,"endHours":27.862813729739038,"quality":"inauspicious"},{"name":"Udveg","start":"03:52","end":"05:05","startHours":27.862813729739038,"endHours":29.086710807704375,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:05","end":"06:05","startHours":5.086710807704375,"endHours":6.086710807704375,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:05","end":"07:05","startHours":6.086710807704375,"endHours":7.086710807704375,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:05","end":"08:05","startHours":7.086710807704375,"endHours":8.086710807704375,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:05","end":"09:05","startHours":8.086710807704375,"endHours":9.086710807704375,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:05","end":"10:05","startHours":9.086710807704375,"endHours":10.086710807704375,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:05","end":"11:05","startHours":10.086710807704375,"endHours":11.086710807704375,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:05","end":"12:05","startHours":11.086710807704375,"endHours":12.086710807704375,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:05","end":"13:05","startHours":12.086710807704375,"endHours":13.086710807704375,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:05","end":"14:05","startHours":13.086710807704375,"endHours":14.086710807704375,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:05","end":"15:05","startHours":14.086710807704375,"endHours":15.086710807704375,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:05","end":"16:05","startHours":15.086710807704375,"endHours":16.086710807704375,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:05","end":"17:05","startHours":16.086710807704375,"endHours":17.086710807704375,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:05","end":"18:05","startHours":17.086710807704375,"endHours":18.086710807704375,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:05","end":"19:05","startHours":18.086710807704375,"endHours":19.086710807704375,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:05","end":"20:05","startHours":19.086710807704375,"endHours":20.086710807704375,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:05","end":"21:05","startHours":20.086710807704375,"endHours":21.086710807704375,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:05","end":"22:05","startHours":21.086710807704375,"endHours":22.086710807704375,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:05","end":"23:05","startHours":22.086710807704375,"endHours":23.086710807704375,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:05","end":"00:05","startHours":23.086710807704375,"endHours":24.086710807704375,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:05","end":"01:05","startHours":24.086710807704375,"endHours":25.086710807704375,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:05","end":"02:05","startHours":25.086710807704375,"endHours":26.086710807704375,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:05","end":"03:05","startHours":26.086710807704375,"endHours":27.086710807704375,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:05","end":"04:05","startHours":27.086710807704375,"endHours":28.086710807704375,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:05","end":"05:05","startHours":28.086710807704375,"endHours":29.086710807704375,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"South-West","anandadiYoga":{"name":"Prajāpati","quality":"Auspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Śarad (Autumn)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-23.13675206628701,"eotMinutes":5.090650249418121,"ayanamsa":24.3412}},"calendars":{"vikram_samvat":2091,"vikram_samvatsara":"Prabhava","saka_samvat":1956,"saka_samvatsara":"Ānanda","bengali_samvat":1441,"malayalam_era":1210,"nanakshahi_year":565,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Śukla Pakṣa","solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Tṛtīyā · Vikram 2091 Prabhava · Śaka 1956 Ānanda"},"festivals":[{"id":"vrischika-sankranti","name":"Vṛścika Saṅkrānti","name_sanskrit":"वृश्चिक सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Scorpio.","vrata":false,"detection":{"sun_rashi":"Vṛścika"},"precedence":5}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 December 13, 2034 CE · Perth, Australia · Vidhyamitra","description":"December 13, 2034 CE for Perth, Australia: Śukla Tṛtīyā, sūryodaya 05:05, sūryāsta 19:18.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2034-12-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2034-12-13","sa":"https://sa.vidhyamitra.com/city/perth/2034-12-13","hi":"https://hi.vidhyamitra.com/city/perth/2034-12-13","x-default":"https://vidhyamitra.com/city/perth/2034-12-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T04:05:25.201Z","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":"2026-05-15T04:05:25.201Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T04:05:25.201Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}