{"id":"vidhyamitra:city-day:perth:2163-12-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2163-12-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2163-12-01","date_display":"December 1, 2163 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":2163,"month":12,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2511413.770833,"kali_year":5265,"ahargana":1922948.2708,"sun":{"sidereal_longitude":221.5456,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":285.608,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":64.0624,"elapsed_within_tithi_degrees":4.0624},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2,"moon_longitude":285.608,"elapsed_within_degrees":5.608},"yoga":{"number":12,"name":"Dhruva","sum_longitude":147.1537},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2163,"month":12,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2511413.770833,"ahargana":1922948.2708,"kali_year":5265,"ayanamsa_lahiri":26.1428,"grahas":{"sun":{"sidereal_longitude":222.459883,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":290.01218300000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false,"latitude":4.152},"mars":{"sidereal_longitude":19.118783000000008,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":205.86138299999993,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":288.664083,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"venus":{"sidereal_longitude":257.419083,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":229.11958300000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":172.9467,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":352.9467,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","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":2163,"month":12,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2511413.770833,"kali_year":5265,"ahargana":1922948.2708,"sun":{"sidereal_longitude":221.5456,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":285.608,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":64.0624,"elapsed_within_tithi_degrees":4.0624},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2,"moon_longitude":285.608,"elapsed_within_degrees":5.608},"yoga":{"number":12,"name":"Dhruva","sum_longitude":147.1537},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.152,"elongation":64.062},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.152,"opposition_distance":115.938}},"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":"19:08","solarNoonLocal":"12:06","dayLengthHours":14.065389647224045,"dayLengthDisplay":"14 Hours 03 Mins 55 Secs","nightLengthDisplay":"9 Hours 56 Mins 05 Secs","moonriseLocal":"09:53","moonsetLocal":"23:21","rahuKala":{"name":"Rāhu Kāla","start":"13:52","end":"15:37","startHours":13.865289529229663,"endHours":15.623463235132668,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:04","end":"06:50","startHours":5.0744209997146354,"endHours":6.832594705617641,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:35","end":"10:21","startHours":8.590768411520646,"endHours":10.348942117423652,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:21","end":"08:50","startHours":8.356345250733579,"endHours":8.825191572307714,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:40","end":"06:02","startHours":5.660478901682304,"endHours":6.035555958941612,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:38","end":"12:35","startHours":11.638269501752523,"endHours":12.575962144900794,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:12","end":"04:08","startHours":3.1990357134180964,"endHours":4.1367283565663655,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:54","end":"05:04","startHours":3.9023051957792987,"endHours":5.0744209997146354,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:27","end":"15:23","startHours":14.45134743119733,"endHours":15.3890400743456,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:56","end":"19:20","startHours":18.93981064693868,"endHours":19.33981064693868,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:08","end":"19:44","startHours":19.13981064693868,"endHours":19.725868548906348,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:53","end":"20:38","startHours":18.88981064693868,"endHours":20.63981064693868,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:38","end":"00:35","startHours":23.638269501752525,"endHours":24.575962144900792,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:04","end":"06:50","startHours":5.0744209997146354,"endHours":6.832594705617641,"quality":"auspicious"},{"name":"Roga","start":"06:50","end":"08:35","startHours":6.832594705617641,"endHours":8.590768411520646,"quality":"inauspicious"},{"name":"Udveg","start":"08:35","end":"10:21","startHours":8.590768411520646,"endHours":10.348942117423652,"quality":"inauspicious"},{"name":"Chala","start":"10:21","end":"12:06","startHours":10.348942117423652,"endHours":12.107115823326659,"quality":"neutral"},{"name":"Labha","start":"12:06","end":"13:52","startHours":12.107115823326659,"endHours":13.865289529229663,"quality":"auspicious"},{"name":"Amṛta","start":"13:52","end":"15:37","startHours":13.865289529229663,"endHours":15.623463235132668,"quality":"auspicious"},{"name":"Kāla","start":"15:37","end":"17:23","startHours":15.623463235132668,"endHours":17.381636941035676,"quality":"inauspicious"},{"name":"Śubha","start":"17:23","end":"19:08","startHours":17.381636941035676,"endHours":19.13981064693868,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"19:08","end":"20:23","startHours":19.13981064693868,"endHours":20.381636941035676,"quality":"auspicious"},{"name":"Kāla","start":"20:23","end":"21:37","startHours":20.381636941035676,"endHours":21.623463235132668,"quality":"inauspicious"},{"name":"Śubha","start":"21:37","end":"22:52","startHours":21.623463235132668,"endHours":22.865289529229663,"quality":"auspicious"},{"name":"Roga","start":"22:52","end":"00:06","startHours":22.865289529229663,"endHours":24.10711582332666,"quality":"inauspicious"},{"name":"Udveg","start":"00:06","end":"01:21","startHours":24.10711582332666,"endHours":25.348942117423654,"quality":"inauspicious"},{"name":"Chala","start":"01:21","end":"02:35","startHours":25.348942117423654,"endHours":26.59076841152065,"quality":"neutral"},{"name":"Labha","start":"02:35","end":"03:50","startHours":26.59076841152065,"endHours":27.83259470561764,"quality":"auspicious"},{"name":"Amṛta","start":"03:50","end":"05:04","startHours":27.83259470561764,"endHours":29.074420999714636,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:04","end":"06:04","startHours":5.0744209997146354,"endHours":6.0744209997146354,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:04","end":"07:04","startHours":6.0744209997146354,"endHours":7.0744209997146354,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:04","end":"08:04","startHours":7.0744209997146354,"endHours":8.074420999714636,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:04","end":"09:04","startHours":8.074420999714636,"endHours":9.074420999714636,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:04","end":"10:04","startHours":9.074420999714636,"endHours":10.074420999714636,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:04","end":"11:04","startHours":10.074420999714636,"endHours":11.074420999714636,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:04","end":"12:04","startHours":11.074420999714636,"endHours":12.074420999714636,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:04","end":"13:04","startHours":12.074420999714636,"endHours":13.074420999714636,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:04","end":"14:04","startHours":13.074420999714636,"endHours":14.074420999714636,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:04","end":"15:04","startHours":14.074420999714636,"endHours":15.074420999714636,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:04","end":"16:04","startHours":15.074420999714636,"endHours":16.074420999714636,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:04","end":"17:04","startHours":16.074420999714636,"endHours":17.074420999714636,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:04","end":"18:04","startHours":17.074420999714636,"endHours":18.074420999714636,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:04","end":"19:04","startHours":18.074420999714636,"endHours":19.074420999714636,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:04","end":"20:04","startHours":19.074420999714636,"endHours":20.074420999714636,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:04","end":"21:04","startHours":20.074420999714636,"endHours":21.074420999714636,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:04","end":"22:04","startHours":21.074420999714636,"endHours":22.074420999714636,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:04","end":"23:04","startHours":22.074420999714636,"endHours":23.074420999714636,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:04","end":"00:04","startHours":23.074420999714636,"endHours":24.074420999714636,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:04","end":"01:04","startHours":24.074420999714636,"endHours":25.074420999714636,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:04","end":"02:04","startHours":25.074420999714636,"endHours":26.074420999714636,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:04","end":"03:04","startHours":26.074420999714636,"endHours":27.074420999714636,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:04","end":"04:04","startHours":27.074420999714636,"endHours":28.074420999714636,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:04","end":"05:04","startHours":28.074420999714636,"endHours":29.074420999714636,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"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":"South (Dakṣiṇa)","chandraVasa":"South-East","rahuVasa":"North-West","anandadiYoga":{"name":"Mudgara","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":-21.73522534490796,"eotMinutes":10.131050600400467,"ayanamsa":26.1428}},"calendars":{"vikram_samvat":2220,"vikram_samvatsara":"Dhātṛ","saka_samvat":2085,"saka_samvatsara":"Rudhirodgāri","bengali_samvat":1570,"malayalam_era":1339,"nanakshahi_year":694,"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 Ṣaṣṭhī · Vikram 2220 Dhātṛ · Śaka 2085 Rudhirodgāri"},"festivals":[{"id":"skanda-shashthi","name":"Skanda Ṣaṣṭhī","name_sanskrit":"स्कन्द षष्ठी","tradition":"Shaiva","associated_deity":"Kārttikeya / Skanda / Murugan","significance":"Kārttikeya's victory over Tāraka. Important Shaiva day in Tamil tradition.","vrata":true,"detection":{"tithi_number":6,"tithi_paksha":"Śukla","lunar_month":"Mārgaśīrṣa"},"precedence":3}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 1, 2163 CE · Perth, Australia · Vidhyamitra","description":"December 1, 2163 CE for Perth, Australia: Śukla Ṣaṣṭhī, sūryodaya 05:04, sūryāsta 19:08.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2163-12-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2163-12-01","sa":"https://sa.vidhyamitra.com/city/perth/2163-12-01","hi":"https://hi.vidhyamitra.com/city/perth/2163-12-01","x-default":"https://vidhyamitra.com/city/perth/2163-12-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T00:36:12.174Z","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":"2026-05-31T00:36:12.174Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T00:36:12.174Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}