{"id":"vidhyamitra:city-day:perth:2018-12-02:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2018-12-02","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2018-12-02","date_display":"December 2, 2018 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":2018,"month":12,"day":2,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458454.770833,"kali_year":5120,"ahargana":1869989.2708,"sun":{"sidereal_longitude":225.1383,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":160.3758,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":295.2375,"elapsed_within_tithi_degrees":7.2375},"nakshatra":{"number":13,"name":"Hasta","pada":1,"moon_longitude":160.3758,"elapsed_within_degrees":0.3758},"yoga":{"number":2,"name":"Prīti","sum_longitude":25.5142},"karana":{"half_tithi_index":49,"name":"Viṣṭi"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":2018,"month":12,"day":2,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2458454.770833,"ahargana":1869989.2708,"kali_year":5120,"ayanamsa_lahiri":24.1173,"grahas":{"sun":{"sidereal_longitude":225.67900600000007,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":161.72760600000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false,"latitude":3.9502},"mars":{"sidereal_longitude":315.73740599999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":215.062406,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":221.06170599999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":185.24980600000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":253.713206,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":98.9694,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":278.9694,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":2018,"month":12,"day":2,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458454.770833,"kali_year":5120,"ahargana":1869989.2708,"sun":{"sidereal_longitude":225.1383,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":160.3758,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":295.2375,"elapsed_within_tithi_degrees":7.2375},"nakshatra":{"number":13,"name":"Hasta","pada":1,"moon_longitude":160.3758,"elapsed_within_degrees":0.3758},"yoga":{"number":2,"name":"Prīti","sum_longitude":25.5142},"karana":{"half_tithi_index":49,"name":"Viṣṭi"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.95,"elongation":64.763},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.95,"opposition_distance":115.237}},"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":"19:09","solarNoonLocal":"12:07","dayLengthHours":14.083765692322096,"dayLengthDisplay":"14 Hours 05 Mins 02 Secs","nightLengthDisplay":"9 Hours 54 Mins 58 Secs","moonriseLocal":"01:42","moonsetLocal":"14:00","rahuKala":{"name":"Rāhu Kāla","start":"17:24","end":"19:09","startHours":17.394895096668716,"endHours":19.155365808208977,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:07","end":"13:52","startHours":12.113482962047929,"endHours":13.87395367358819,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:38","end":"17:24","startHours":15.634424385128453,"endHours":17.394895096668716,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:21","end":"08:50","startHours":8.357812110762037,"endHours":8.827270967172772,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:40","end":"06:02","startHours":5.658423686400301,"endHours":6.03399077152889,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:39","end":"12:35","startHours":11.644024105637191,"endHours":12.582941818458666,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:12","end":"04:08","startHours":3.1937646902439347,"endHours":4.132682403065408,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:54","end":"05:04","startHours":3.897952974860039,"endHours":5.071600115886881,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:28","end":"15:24","startHours":14.460777244101612,"endHours":15.399694956923085,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:57","end":"19:21","startHours":18.955365808208978,"endHours":19.355365808208976,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:09","end":"19:45","startHours":19.155365808208977,"endHours":19.742189378722397,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:54","end":"20:39","startHours":18.905365808208977,"endHours":20.655365808208977,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:39","end":"00:35","startHours":23.644024105637193,"endHours":24.582941818458664,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:04","end":"06:50","startHours":5.071600115886881,"endHours":6.832070827427143,"quality":"inauspicious"},{"name":"Chala","start":"06:50","end":"08:36","startHours":6.832070827427143,"endHours":8.592541538967405,"quality":"neutral"},{"name":"Labha","start":"08:36","end":"10:21","startHours":8.592541538967405,"endHours":10.353012250507668,"quality":"auspicious"},{"name":"Amṛta","start":"10:21","end":"12:07","startHours":10.353012250507668,"endHours":12.113482962047929,"quality":"auspicious"},{"name":"Kāla","start":"12:07","end":"13:52","startHours":12.113482962047929,"endHours":13.87395367358819,"quality":"inauspicious"},{"name":"Śubha","start":"13:52","end":"15:38","startHours":13.87395367358819,"endHours":15.634424385128453,"quality":"auspicious"},{"name":"Roga","start":"15:38","end":"17:24","startHours":15.634424385128453,"endHours":17.394895096668716,"quality":"inauspicious"},{"name":"Udveg","start":"17:24","end":"19:09","startHours":17.394895096668716,"endHours":19.155365808208977,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"19:09","end":"20:24","startHours":19.155365808208977,"endHours":20.394895096668716,"quality":"auspicious"},{"name":"Roga","start":"20:24","end":"21:38","startHours":20.394895096668716,"endHours":21.634424385128455,"quality":"inauspicious"},{"name":"Udveg","start":"21:38","end":"22:52","startHours":21.634424385128455,"endHours":22.87395367358819,"quality":"inauspicious"},{"name":"Chala","start":"22:52","end":"00:07","startHours":22.87395367358819,"endHours":24.11348296204793,"quality":"neutral"},{"name":"Labha","start":"00:07","end":"01:21","startHours":24.11348296204793,"endHours":25.353012250507668,"quality":"auspicious"},{"name":"Amṛta","start":"01:21","end":"02:36","startHours":25.353012250507668,"endHours":26.592541538967403,"quality":"auspicious"},{"name":"Kāla","start":"02:36","end":"03:50","startHours":26.592541538967403,"endHours":27.832070827427142,"quality":"inauspicious"},{"name":"Śubha","start":"03:50","end":"05:04","startHours":27.832070827427142,"endHours":29.07160011588688,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:04","end":"06:04","startHours":5.071600115886881,"endHours":6.071600115886881,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:04","end":"07:04","startHours":6.071600115886881,"endHours":7.071600115886881,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:04","end":"08:04","startHours":7.071600115886881,"endHours":8.07160011588688,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:04","end":"09:04","startHours":8.07160011588688,"endHours":9.07160011588688,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:04","end":"10:04","startHours":9.07160011588688,"endHours":10.07160011588688,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:04","end":"11:04","startHours":10.07160011588688,"endHours":11.07160011588688,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:04","end":"12:04","startHours":11.07160011588688,"endHours":12.07160011588688,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:04","end":"13:04","startHours":12.07160011588688,"endHours":13.07160011588688,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:04","end":"14:04","startHours":13.07160011588688,"endHours":14.07160011588688,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:04","end":"15:04","startHours":14.07160011588688,"endHours":15.07160011588688,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:04","end":"16:04","startHours":15.07160011588688,"endHours":16.07160011588688,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:04","end":"17:04","startHours":16.07160011588688,"endHours":17.07160011588688,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:04","end":"18:04","startHours":17.07160011588688,"endHours":18.07160011588688,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:04","end":"19:04","startHours":18.07160011588688,"endHours":19.07160011588688,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:04","end":"20:04","startHours":19.07160011588688,"endHours":20.07160011588688,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:04","end":"21:04","startHours":20.07160011588688,"endHours":21.07160011588688,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:04","end":"22:04","startHours":21.07160011588688,"endHours":22.07160011588688,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:04","end":"23:04","startHours":22.07160011588688,"endHours":23.07160011588688,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:04","end":"00:04","startHours":23.07160011588688,"endHours":24.07160011588688,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:04","end":"01:04","startHours":24.07160011588688,"endHours":25.07160011588688,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:04","end":"02:04","startHours":25.07160011588688,"endHours":26.07160011588688,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:04","end":"03:04","startHours":26.07160011588688,"endHours":27.07160011588688,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:04","end":"04:04","startHours":27.07160011588688,"endHours":28.07160011588688,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:04","end":"05:04","startHours":28.07160011588688,"endHours":29.07160011588688,"planetary_lord":"Jupiter"}],"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","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"North-West","rahuVasa":"North-East","anandadiYoga":{"name":"Mānasa","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":-21.916828545626505,"eotMinutes":9.74902227712421,"ayanamsa":24.1173}},"calendars":{"vikram_samvat":2075,"vikram_samvatsara":"Virodhakṛt","saka_samvat":1940,"saka_samvatsara":"Vilambī","bengali_samvat":1425,"malayalam_era":1194,"nanakshahi_year":549,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Kṛṣṇa Pakṣa","solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Kṛṣṇa Daśamī · Vikram 2075 Virodhakṛt · Śaka 1940 Vilambī"},"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":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 2, 2018 CE · Perth, Australia · Vidhyamitra","description":"December 2, 2018 CE for Perth, Australia: Kṛṣṇa Daśamī, sūryodaya 05:04, sūryāsta 19:09.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2018-12-02","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2018-12-02","sa":"https://sa.vidhyamitra.com/city/perth/2018-12-02","hi":"https://hi.vidhyamitra.com/city/perth/2018-12-02","x-default":"https://vidhyamitra.com/city/perth/2018-12-02"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T01:40:23.034Z","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":"2026-05-15T01:40:23.034Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T01:40:23.034Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}