{"id":"vidhyamitra:city-day:perth:2116-12-08:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2116-12-08","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2116-12-08","date_display":"December 8, 2116 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":2116,"month":12,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2494254.770833,"kali_year":5218,"ahargana":1905789.2708,"sun":{"sidereal_longitude":229.8842,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":275.972,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":46.0878,"elapsed_within_tithi_degrees":10.0878},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3,"moon_longitude":275.972,"elapsed_within_degrees":9.3054},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":145.8562},"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":2116,"month":12,"day":8,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2494254.770833,"ahargana":1905789.2708,"kali_year":5218,"ayanamsa_lahiri":25.4865,"grahas":{"sun":{"sidereal_longitude":230.621483,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":274.592183,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false,"latitude":-4.4898},"mars":{"sidereal_longitude":28.932782999999972,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":230.11798299999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":303.441283,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":209.97508300000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":5.368983000000014,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":2.1131,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":182.1131,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","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":2116,"month":12,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2494254.770833,"kali_year":5218,"ahargana":1905789.2708,"sun":{"sidereal_longitude":229.8842,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":275.972,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":46.0878,"elapsed_within_tithi_degrees":10.0878},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3,"moon_longitude":275.972,"elapsed_within_degrees":9.3054},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":145.8562},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.49,"elongation":46.088},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.49,"opposition_distance":133.912}},"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":"19:14","solarNoonLocal":"12:09","dayLengthHours":14.164951082967818,"dayLengthDisplay":"14 Hours 09 Mins 54 Secs","nightLengthDisplay":"9 Hours 50 Mins 06 Secs","moonriseLocal":"08:09","moonsetLocal":"22:01","rahuKala":{"name":"Rāhu Kāla","start":"15:42","end":"17:28","startHours":15.695567352303055,"endHours":17.466186237674034,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:37","end":"10:23","startHours":8.613091810819146,"endHours":10.383710696190125,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:09","end":"13:55","startHours":12.1543295815611,"endHours":13.92494846693208,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:23","end":"08:51","startHours":8.377009292769683,"endHours":8.84917432886861,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:40","end":"06:02","startHours":5.662060335200851,"endHours":6.039792364079993,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:41","end":"12:38","startHours":11.682164545462173,"endHours":12.626494617660027,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:11","end":"04:08","startHours":3.1831938956814834,"endHours":4.127523967879338,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:53","end":"05:04","startHours":3.891441449829874,"endHours":5.071854040077192,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:31","end":"15:28","startHours":14.515154762055737,"endHours":15.45948483425359,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:02","end":"19:26","startHours":19.03680512304501,"endHours":19.43680512304501,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:14","end":"19:50","startHours":19.23680512304501,"endHours":19.827011418168667,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:59","end":"20:44","startHours":18.98680512304501,"endHours":20.73680512304501,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:41","end":"00:38","startHours":23.68216454546217,"endHours":24.62649461766003,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:04","end":"06:51","startHours":5.071854040077192,"endHours":6.8424729254481695,"quality":"inauspicious"},{"name":"Udveg","start":"06:51","end":"08:37","startHours":6.8424729254481695,"endHours":8.613091810819146,"quality":"inauspicious"},{"name":"Chala","start":"08:37","end":"10:23","startHours":8.613091810819146,"endHours":10.383710696190125,"quality":"neutral"},{"name":"Labha","start":"10:23","end":"12:09","startHours":10.383710696190125,"endHours":12.1543295815611,"quality":"auspicious"},{"name":"Amṛta","start":"12:09","end":"13:55","startHours":12.1543295815611,"endHours":13.92494846693208,"quality":"auspicious"},{"name":"Kāla","start":"13:55","end":"15:42","startHours":13.92494846693208,"endHours":15.695567352303055,"quality":"inauspicious"},{"name":"Śubha","start":"15:42","end":"17:28","startHours":15.695567352303055,"endHours":17.466186237674034,"quality":"auspicious"},{"name":"Roga","start":"17:28","end":"19:14","startHours":17.466186237674034,"endHours":19.23680512304501,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"19:14","end":"20:28","startHours":19.23680512304501,"endHours":20.46618623767403,"quality":"inauspicious"},{"name":"Śubha","start":"20:28","end":"21:42","startHours":20.46618623767403,"endHours":21.695567352303055,"quality":"auspicious"},{"name":"Roga","start":"21:42","end":"22:55","startHours":21.695567352303055,"endHours":22.92494846693208,"quality":"inauspicious"},{"name":"Udveg","start":"22:55","end":"00:09","startHours":22.92494846693208,"endHours":24.1543295815611,"quality":"inauspicious"},{"name":"Chala","start":"00:09","end":"01:23","startHours":24.1543295815611,"endHours":25.38371069619012,"quality":"neutral"},{"name":"Labha","start":"01:23","end":"02:37","startHours":25.38371069619012,"endHours":26.613091810819146,"quality":"auspicious"},{"name":"Amṛta","start":"02:37","end":"03:51","startHours":26.613091810819146,"endHours":27.84247292544817,"quality":"auspicious"},{"name":"Kāla","start":"03:51","end":"05:04","startHours":27.84247292544817,"endHours":29.07185404007719,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:04","end":"06:04","startHours":5.071854040077192,"endHours":6.071854040077192,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:04","end":"07:04","startHours":6.071854040077192,"endHours":7.071854040077192,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:04","end":"08:04","startHours":7.071854040077192,"endHours":8.071854040077191,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:04","end":"09:04","startHours":8.071854040077191,"endHours":9.071854040077191,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:04","end":"10:04","startHours":9.071854040077191,"endHours":10.071854040077191,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:04","end":"11:04","startHours":10.071854040077191,"endHours":11.071854040077191,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:04","end":"12:04","startHours":11.071854040077191,"endHours":12.071854040077191,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:04","end":"13:04","startHours":12.071854040077191,"endHours":13.071854040077191,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:04","end":"14:04","startHours":13.071854040077191,"endHours":14.071854040077191,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:04","end":"15:04","startHours":14.071854040077191,"endHours":15.071854040077191,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:04","end":"16:04","startHours":15.071854040077191,"endHours":16.07185404007719,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:04","end":"17:04","startHours":16.07185404007719,"endHours":17.07185404007719,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:04","end":"18:04","startHours":17.07185404007719,"endHours":18.07185404007719,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:04","end":"19:04","startHours":18.07185404007719,"endHours":19.07185404007719,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:04","end":"20:04","startHours":19.07185404007719,"endHours":20.07185404007719,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:04","end":"21:04","startHours":20.07185404007719,"endHours":21.07185404007719,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:04","end":"22:04","startHours":21.07185404007719,"endHours":22.07185404007719,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:04","end":"23:04","startHours":22.07185404007719,"endHours":23.07185404007719,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:04","end":"00:04","startHours":23.07185404007719,"endHours":24.07185404007719,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:04","end":"01:04","startHours":24.07185404007719,"endHours":25.07185404007719,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:04","end":"02:04","startHours":25.07185404007719,"endHours":26.07185404007719,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:04","end":"03:04","startHours":26.07185404007719,"endHours":27.07185404007719,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:04","end":"04:04","startHours":27.07185404007719,"endHours":28.07185404007719,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:04","end":"05:04","startHours":28.07185404007719,"endHours":29.07185404007719,"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":-22.711969828321347,"eotMinutes":7.298225106333945,"ayanamsa":25.4865}},"calendars":{"vikram_samvat":2173,"vikram_samvatsara":"Virodhi","saka_samvat":2038,"saka_samvatsara":"Dhātṛ","bengali_samvat":1523,"malayalam_era":1292,"nanakshahi_year":647,"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 2173 Virodhi · Śaka 2038 Dhātṛ"},"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 8, 2116 CE · Perth, Australia · Vidhyamitra","description":"December 8, 2116 CE for Perth, Australia: Śukla Caturthī, sūryodaya 05:04, sūryāsta 19:14.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2116-12-08","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2116-12-08","sa":"https://sa.vidhyamitra.com/city/perth/2116-12-08","hi":"https://hi.vidhyamitra.com/city/perth/2116-12-08","x-default":"https://vidhyamitra.com/city/perth/2116-12-08"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T13:20:34.901Z","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":"2026-05-31T13:20:34.901Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T13:20:34.901Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}