{"id":"vidhyamitra:city-day:perth:2089-12-06:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2089-12-06","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2089-12-06","date_display":"December 6, 2089 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":2089,"month":12,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2484391.770833,"kali_year":5191,"ahargana":1895926.2708,"sun":{"sidereal_longitude":228.8472,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":276.4525,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":47.6053,"elapsed_within_tithi_degrees":11.6053},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3,"moon_longitude":276.4525,"elapsed_within_degrees":9.7858},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":145.2997},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"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":2089,"month":12,"day":6,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2484391.770833,"ahargana":1895926.2708,"kali_year":5191,"ayanamsa_lahiri":25.1093,"grahas":{"sun":{"sidereal_longitude":229.52822200000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":274.35962199999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false,"latitude":4.179},"mars":{"sidereal_longitude":243.78712200000007,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":248.529222,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":217.13322200000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":225.644722,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":41.461022000000014,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":164.7023,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":344.7023,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"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":2089,"month":12,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2484391.770833,"kali_year":5191,"ahargana":1895926.2708,"sun":{"sidereal_longitude":228.8472,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":276.4525,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":47.6053,"elapsed_within_tithi_degrees":11.6053},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3,"moon_longitude":276.4525,"elapsed_within_degrees":9.7858},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":145.2997},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.179,"elongation":47.605},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.179,"opposition_distance":132.395}},"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":"05:04","sunsetLocal":"19:13","solarNoonLocal":"12:08","dayLengthHours":14.148516891991044,"dayLengthDisplay":"14 Hours 08 Mins 55 Secs","nightLengthDisplay":"9 Hours 51 Mins 05 Secs","moonriseLocal":"08:11","moonsetLocal":"22:04","rahuKala":{"name":"Rāhu Kāla","start":"15:41","end":"17:27","startHours":15.677381231751902,"endHours":17.44594584325078,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:36","end":"10:22","startHours":8.60312278575638,"endHours":10.37168739725526,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:08","end":"13:55","startHours":12.140252008754139,"endHours":13.90881662025302,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:22","end":"08:50","startHours":8.367314170889863,"endHours":8.838931400622897,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:39","end":"06:02","startHours":5.655515099924911,"endHours":6.032808883711339,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:40","end":"12:37","startHours":11.668634779021104,"endHours":12.611869238487174,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:11","end":"04:07","startHours":3.179524643826479,"endHours":4.122759103292548,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:53","end":"05:04","startHours":3.8869504884260313,"endHours":5.065993562758618,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:30","end":"15:26","startHours":14.498338157419312,"endHours":15.44157261688538,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:01","end":"19:25","startHours":19.01451045474966,"endHours":19.41451045474966,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:13","end":"19:48","startHours":19.21451045474966,"endHours":19.804031991915956,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:58","end":"20:43","startHours":18.96451045474966,"endHours":20.71451045474966,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:40","end":"00:37","startHours":23.668634779021104,"endHours":24.611869238487174,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:04","end":"06:50","startHours":5.065993562758618,"endHours":6.834558174257499,"quality":"inauspicious"},{"name":"Udveg","start":"06:50","end":"08:36","startHours":6.834558174257499,"endHours":8.60312278575638,"quality":"inauspicious"},{"name":"Chala","start":"08:36","end":"10:22","startHours":8.60312278575638,"endHours":10.37168739725526,"quality":"neutral"},{"name":"Labha","start":"10:22","end":"12:08","startHours":10.37168739725526,"endHours":12.140252008754139,"quality":"auspicious"},{"name":"Amṛta","start":"12:08","end":"13:55","startHours":12.140252008754139,"endHours":13.90881662025302,"quality":"auspicious"},{"name":"Kāla","start":"13:55","end":"15:41","startHours":13.90881662025302,"endHours":15.677381231751902,"quality":"inauspicious"},{"name":"Śubha","start":"15:41","end":"17:27","startHours":15.677381231751902,"endHours":17.44594584325078,"quality":"auspicious"},{"name":"Roga","start":"17:27","end":"19:13","startHours":17.44594584325078,"endHours":19.21451045474966,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"19:13","end":"20:27","startHours":19.21451045474966,"endHours":20.44594584325078,"quality":"inauspicious"},{"name":"Śubha","start":"20:27","end":"21:41","startHours":20.44594584325078,"endHours":21.6773812317519,"quality":"auspicious"},{"name":"Roga","start":"21:41","end":"22:55","startHours":21.6773812317519,"endHours":22.90881662025302,"quality":"inauspicious"},{"name":"Udveg","start":"22:55","end":"00:08","startHours":22.90881662025302,"endHours":24.14025200875414,"quality":"inauspicious"},{"name":"Chala","start":"00:08","end":"01:22","startHours":24.14025200875414,"endHours":25.371687397255258,"quality":"neutral"},{"name":"Labha","start":"01:22","end":"02:36","startHours":25.371687397255258,"endHours":26.603122785756376,"quality":"auspicious"},{"name":"Amṛta","start":"02:36","end":"03:50","startHours":26.603122785756376,"endHours":27.8345581742575,"quality":"auspicious"},{"name":"Kāla","start":"03:50","end":"05:04","startHours":27.8345581742575,"endHours":29.065993562758617,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:04","end":"06:04","startHours":5.065993562758618,"endHours":6.065993562758618,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:04","end":"07:04","startHours":6.065993562758618,"endHours":7.065993562758618,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:04","end":"08:04","startHours":7.065993562758618,"endHours":8.065993562758617,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:04","end":"09:04","startHours":8.065993562758617,"endHours":9.065993562758617,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:04","end":"10:04","startHours":9.065993562758617,"endHours":10.065993562758617,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:04","end":"11:04","startHours":10.065993562758617,"endHours":11.065993562758617,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:04","end":"12:04","startHours":11.065993562758617,"endHours":12.065993562758617,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:04","end":"13:04","startHours":12.065993562758617,"endHours":13.065993562758617,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:04","end":"14:04","startHours":13.065993562758617,"endHours":14.065993562758617,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:04","end":"15:04","startHours":14.065993562758617,"endHours":15.065993562758617,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:04","end":"16:04","startHours":15.065993562758617,"endHours":16.065993562758617,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:04","end":"17:04","startHours":16.065993562758617,"endHours":17.065993562758617,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:04","end":"18:04","startHours":17.065993562758617,"endHours":18.065993562758617,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:04","end":"19:04","startHours":18.065993562758617,"endHours":19.065993562758617,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:04","end":"20:04","startHours":19.065993562758617,"endHours":20.065993562758617,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:04","end":"21:04","startHours":20.065993562758617,"endHours":21.065993562758617,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:04","end":"22:04","startHours":21.065993562758617,"endHours":22.065993562758617,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:04","end":"23:04","startHours":22.065993562758617,"endHours":23.065993562758617,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:04","end":"00:04","startHours":23.065993562758617,"endHours":24.065993562758617,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:04","end":"01:04","startHours":24.065993562758617,"endHours":25.065993562758617,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:04","end":"02:04","startHours":25.065993562758617,"endHours":26.065993562758617,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:04","end":"03:04","startHours":26.065993562758617,"endHours":27.065993562758617,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:04","end":"04:04","startHours":27.065993562758617,"endHours":28.065993562758617,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:04","end":"05:04","startHours":28.065993562758617,"endHours":29.065993562758617,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"North","anandadiYoga":{"name":"Ānanda","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-22.55196050892462,"eotMinutes":8.142879474751563,"ayanamsa":25.1093}},"calendars":{"vikram_samvat":2146,"vikram_samvatsara":"Dundubhi","saka_samvat":2011,"saka_samvatsara":"Saumya","bengali_samvat":1496,"malayalam_era":1265,"nanakshahi_year":620,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Mārgaśīrṣa","lunar_month_amanta":"Mārgaśīrṣa","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 Śukla Caturthī · Vikram 2146 Dundubhi · Śaka 2011 Saumya"},"festivals":[{"id":"angarika-chaturthi","name":"Aṅgāraka Caturthī (Tuesday Caturthī)","name_sanskrit":"अङ्गारक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa + Maṅgala","significance":"Tuesday-Caturthī (rare); supremely auspicious for Maṅgala-doṣa-nivāraṇa.","vrata":true,"detection":{"any_of":[{"tithi_number":4,"vara_name":"Maṅgalavāra (Tuesday)"},{"tithi_number":19,"vara_name":"Maṅgalavāra (Tuesday)"}]},"precedence":3},{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"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":[]},"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 6, 2089 CE · Perth, Australia · Vidhyamitra","description":"December 6, 2089 CE for Perth, Australia: Śukla Caturthī, sūryodaya 05:04, sūryāsta 19:13.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2089-12-06","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2089-12-06","sa":"https://sa.vidhyamitra.com/city/perth/2089-12-06","hi":"https://hi.vidhyamitra.com/city/perth/2089-12-06","x-default":"https://vidhyamitra.com/city/perth/2089-12-06"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T16:00:41.085Z","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":"2026-06-01T16:00:41.085Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T16:00:41.085Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}