{"id":"vidhyamitra:city-day:perth:2011-12-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2011-12-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2011-12-01","date_display":"December 1, 2011 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":2011,"month":12,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455896.770833,"kali_year":5113,"ahargana":1867431.2708,"sun":{"sidereal_longitude":223.9244,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":296.7633,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":72.839,"elapsed_within_tithi_degrees":0.839},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2,"moon_longitude":296.7633,"elapsed_within_degrees":3.43},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":160.6877},"karana":{"half_tithi_index":12,"name":"Gara"},"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":2011,"month":12,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455896.770833,"ahargana":1867431.2708,"kali_year":5113,"ayanamsa_lahiri":24.0194,"grahas":{"sun":{"sidereal_longitude":224.458441,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":298.846041,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false,"latitude":3.9819},"mars":{"sidereal_longitude":135.14174100000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":232.12254099999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":7.255840999999975,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":true},"venus":{"sidereal_longitude":251.4227410000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":181.431241,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":234.5046,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":54.5046,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","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":2011,"month":12,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455896.770833,"kali_year":5113,"ahargana":1867431.2708,"sun":{"sidereal_longitude":223.9244,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":296.7633,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":72.839,"elapsed_within_tithi_degrees":0.839},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2,"moon_longitude":296.7633,"elapsed_within_degrees":3.43},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":160.6877},"karana":{"half_tithi_index":12,"name":"Gara"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.982,"elongation":72.839},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.982,"opposition_distance":107.161}},"eclipse_window_40days":[{"offset_days":-6,"type":"solar","occurs":true,"moon_latitude":-1.467,"elongation":2.03}]},"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":"19:08","solarNoonLocal":"12:06","dayLengthHours":14.06341454500685,"dayLengthDisplay":"14 Hours 03 Mins 48 Secs","nightLengthDisplay":"9 Hours 56 Mins 12 Secs","moonriseLocal":"10:26","moonsetLocal":"23:42","rahuKala":{"name":"Rāhu Kāla","start":"13:52","end":"15:37","startHours":13.865042641452515,"endHours":15.622969459578371,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:05","end":"06:50","startHours":5.075408550823233,"endHours":6.833335368949089,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:35","end":"10:21","startHours":8.591262187074946,"endHours":10.349189005200802,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:21","end":"08:50","startHours":8.356871944658165,"endHours":8.825652429491726,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:40","end":"06:02","startHours":5.661384156865185,"endHours":6.036408544732034,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:38","end":"12:35","startHours":11.638335338493096,"endHours":12.575896308160221,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:12","end":"04:08","startHours":3.200286611488986,"endHours":4.13784758115611,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:54","end":"05:05","startHours":3.9034573387393285,"endHours":5.075408550823233,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:27","end":"15:23","startHours":14.451018247494467,"endHours":15.38857921716159,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:56","end":"19:20","startHours":18.938823095830084,"endHours":19.338823095830083,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:08","end":"19:43","startHours":19.138823095830084,"endHours":19.724798701872036,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:53","end":"20:38","startHours":18.888823095830084,"endHours":20.638823095830084,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:38","end":"00:35","startHours":23.638335338493096,"endHours":24.57589630816022,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:05","end":"06:50","startHours":5.075408550823233,"endHours":6.833335368949089,"quality":"auspicious"},{"name":"Roga","start":"06:50","end":"08:35","startHours":6.833335368949089,"endHours":8.591262187074946,"quality":"inauspicious"},{"name":"Udveg","start":"08:35","end":"10:21","startHours":8.591262187074946,"endHours":10.349189005200802,"quality":"inauspicious"},{"name":"Chala","start":"10:21","end":"12:06","startHours":10.349189005200802,"endHours":12.107115823326659,"quality":"neutral"},{"name":"Labha","start":"12:06","end":"13:52","startHours":12.107115823326659,"endHours":13.865042641452515,"quality":"auspicious"},{"name":"Amṛta","start":"13:52","end":"15:37","startHours":13.865042641452515,"endHours":15.622969459578371,"quality":"auspicious"},{"name":"Kāla","start":"15:37","end":"17:23","startHours":15.622969459578371,"endHours":17.380896277704228,"quality":"inauspicious"},{"name":"Śubha","start":"17:23","end":"19:08","startHours":17.380896277704228,"endHours":19.138823095830084,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"19:08","end":"20:23","startHours":19.138823095830084,"endHours":20.380896277704228,"quality":"auspicious"},{"name":"Kāla","start":"20:23","end":"21:37","startHours":20.380896277704228,"endHours":21.62296945957837,"quality":"inauspicious"},{"name":"Śubha","start":"21:37","end":"22:52","startHours":21.62296945957837,"endHours":22.865042641452515,"quality":"auspicious"},{"name":"Roga","start":"22:52","end":"00:06","startHours":22.865042641452515,"endHours":24.10711582332666,"quality":"inauspicious"},{"name":"Udveg","start":"00:06","end":"01:21","startHours":24.10711582332666,"endHours":25.349189005200802,"quality":"inauspicious"},{"name":"Chala","start":"01:21","end":"02:35","startHours":25.349189005200802,"endHours":26.591262187074946,"quality":"neutral"},{"name":"Labha","start":"02:35","end":"03:50","startHours":26.591262187074946,"endHours":27.83333536894909,"quality":"auspicious"},{"name":"Amṛta","start":"03:50","end":"05:05","startHours":27.83333536894909,"endHours":29.075408550823234,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:05","end":"06:05","startHours":5.075408550823233,"endHours":6.075408550823233,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:05","end":"07:05","startHours":6.075408550823233,"endHours":7.075408550823233,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:05","end":"08:05","startHours":7.075408550823233,"endHours":8.075408550823234,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:05","end":"09:05","startHours":8.075408550823234,"endHours":9.075408550823234,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:05","end":"10:05","startHours":9.075408550823234,"endHours":10.075408550823234,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:05","end":"11:05","startHours":10.075408550823234,"endHours":11.075408550823234,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:05","end":"12:05","startHours":11.075408550823234,"endHours":12.075408550823234,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:05","end":"13:05","startHours":12.075408550823234,"endHours":13.075408550823234,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:05","end":"14:05","startHours":13.075408550823234,"endHours":14.075408550823234,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:05","end":"15:05","startHours":14.075408550823234,"endHours":15.075408550823234,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:05","end":"16:05","startHours":15.075408550823234,"endHours":16.075408550823234,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:05","end":"17:05","startHours":16.075408550823234,"endHours":17.075408550823234,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:05","end":"18:05","startHours":17.075408550823234,"endHours":18.075408550823234,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:05","end":"19:05","startHours":18.075408550823234,"endHours":19.075408550823234,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:05","end":"20:05","startHours":19.075408550823234,"endHours":20.075408550823234,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:05","end":"21:05","startHours":20.075408550823234,"endHours":21.075408550823234,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:05","end":"22:05","startHours":21.075408550823234,"endHours":22.075408550823234,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:05","end":"23:05","startHours":22.075408550823234,"endHours":23.075408550823234,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:05","end":"00:05","startHours":23.075408550823234,"endHours":24.075408550823234,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:05","end":"01:05","startHours":24.075408550823234,"endHours":25.075408550823234,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:05","end":"02:05","startHours":25.075408550823234,"endHours":26.075408550823234,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:05","end":"03:05","startHours":26.075408550823234,"endHours":27.075408550823234,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:05","end":"04:05","startHours":27.075408550823234,"endHours":28.075408550823234,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:05","end":"05:05","startHours":28.075408550823234,"endHours":29.075408550823234,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"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":"Chatra","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":-21.715670666209046,"eotMinutes":10.131050600400467,"ayanamsa":24.0194}},"calendars":{"vikram_samvat":2068,"vikram_samvatsara":"Krodhi","saka_samvat":1933,"saka_samvatsara":"Khara","bengali_samvat":1418,"malayalam_era":1187,"nanakshahi_year":542,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Śukla Pakṣa","solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Saptamī · Vikram 2068 Krodhi · Śaka 1933 Khara"},"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":"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, 2011 CE · Perth, Australia · Vidhyamitra","description":"December 1, 2011 CE for Perth, Australia: Śukla Saptamī, sūryodaya 05:05, sūryāsta 19:08.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2011-12-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2011-12-01","sa":"https://sa.vidhyamitra.com/city/perth/2011-12-01","hi":"https://hi.vidhyamitra.com/city/perth/2011-12-01","x-default":"https://vidhyamitra.com/city/perth/2011-12-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-16T07:25:07.957Z","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":"2026-05-16T07:25:07.957Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-16T07:25:07.957Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}