{"id":"vidhyamitra:city-day:perth:2022-12-30:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2022-12-30","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2022-12-30","date_display":"December 30, 2022 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":2022,"month":12,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2459943.770833,"kali_year":5124,"ahargana":1871478.2708,"sun":{"sidereal_longitude":253.8203,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":340.2588,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":86.4385,"elapsed_within_tithi_degrees":2.4385},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3,"moon_longitude":340.2588,"elapsed_within_degrees":6.9255},"yoga":{"number":18,"name":"Varīyān","sum_longitude":234.0791},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":2022,"month":12,"day":30,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2459943.770833,"ahargana":1871478.2708,"kali_year":5124,"ayanamsa_lahiri":24.1742,"grahas":{"sun":{"sidereal_longitude":254.13041599999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":343.882016,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false,"latitude":-2.8797},"mars":{"sidereal_longitude":44.931715999999994,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":269.921116,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":336.797716,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":270.459916,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":298.129016,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":20.075,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":200.075,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","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":2022,"month":12,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2459943.770833,"kali_year":5124,"ahargana":1871478.2708,"sun":{"sidereal_longitude":253.8203,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":340.2588,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":86.4385,"elapsed_within_tithi_degrees":2.4385},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3,"moon_longitude":340.2588,"elapsed_within_degrees":6.9255},"yoga":{"number":18,"name":"Varīyān","sum_longitude":234.0791},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.88,"elongation":86.439},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.88,"opposition_distance":93.561}},"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":"05:13","sunsetLocal":"19:26","solarNoonLocal":"12:19","dayLengthHours":14.212927669906353,"dayLengthDisplay":"14 Hours 12 Mins 47 Secs","nightLengthDisplay":"9 Hours 47 Mins 13 Secs","moonriseLocal":"12:24","moonsetLocal":"00:13","rahuKala":{"name":"Rāhu Kāla","start":"10:33","end":"12:19","startHours":10.546072282932908,"endHours":12.322688241671202,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:53","end":"17:39","startHours":15.875920159147793,"endHours":17.652536117886086,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:00","end":"08:46","startHours":6.9928403654563205,"endHours":8.769456324194614,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:32","end":"09:00","startHours":8.532574196362841,"endHours":9.006338452026387,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:49","end":"06:11","startHours":5.808429726297457,"endHours":6.187441130828294,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:51","end":"12:48","startHours":11.848923986007659,"endHours":12.796452497334748,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:19","end":"04:16","startHours":3.3211673840638456,"endHours":4.268695895390936,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:02","end":"05:13","startHours":4.0318137675591625,"endHours":5.216224406718026,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:41","end":"15:38","startHours":14.69150951998893,"endHours":15.639038031316021,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:14","end":"19:38","startHours":19.22915207662438,"endHours":19.62915207662438,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:26","end":"20:01","startHours":19.42915207662438,"endHours":20.02135739620381,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:11","end":"20:56","startHours":19.17915207662438,"endHours":20.92915207662438,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:51","end":"00:48","startHours":23.848923986007655,"endHours":24.796452497334748,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:13","end":"07:00","startHours":5.216224406718026,"endHours":6.9928403654563205,"quality":"neutral"},{"name":"Labha","start":"07:00","end":"08:46","startHours":6.9928403654563205,"endHours":8.769456324194614,"quality":"auspicious"},{"name":"Amṛta","start":"08:46","end":"10:33","startHours":8.769456324194614,"endHours":10.546072282932908,"quality":"auspicious"},{"name":"Kāla","start":"10:33","end":"12:19","startHours":10.546072282932908,"endHours":12.322688241671202,"quality":"inauspicious"},{"name":"Śubha","start":"12:19","end":"14:06","startHours":12.322688241671202,"endHours":14.099304200409495,"quality":"auspicious"},{"name":"Roga","start":"14:06","end":"15:53","startHours":14.099304200409495,"endHours":15.875920159147793,"quality":"inauspicious"},{"name":"Udveg","start":"15:53","end":"17:39","startHours":15.875920159147793,"endHours":17.652536117886086,"quality":"inauspicious"},{"name":"Chala","start":"17:39","end":"19:26","startHours":17.652536117886086,"endHours":19.42915207662438,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"19:26","end":"20:39","startHours":19.42915207662438,"endHours":20.652536117886086,"quality":"inauspicious"},{"name":"Udveg","start":"20:39","end":"21:53","startHours":20.652536117886086,"endHours":21.875920159147793,"quality":"inauspicious"},{"name":"Chala","start":"21:53","end":"23:06","startHours":21.875920159147793,"endHours":23.0993042004095,"quality":"neutral"},{"name":"Labha","start":"23:06","end":"00:19","startHours":23.0993042004095,"endHours":24.3226882416712,"quality":"auspicious"},{"name":"Amṛta","start":"00:19","end":"01:33","startHours":24.3226882416712,"endHours":25.54607228293291,"quality":"auspicious"},{"name":"Kāla","start":"01:33","end":"02:46","startHours":25.54607228293291,"endHours":26.769456324194614,"quality":"inauspicious"},{"name":"Śubha","start":"02:46","end":"04:00","startHours":26.769456324194614,"endHours":27.99284036545632,"quality":"auspicious"},{"name":"Roga","start":"04:00","end":"05:13","startHours":27.99284036545632,"endHours":29.216224406718027,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:13","end":"06:13","startHours":5.216224406718026,"endHours":6.216224406718026,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:13","end":"07:13","startHours":6.216224406718026,"endHours":7.216224406718026,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:13","end":"08:13","startHours":7.216224406718026,"endHours":8.216224406718027,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:13","end":"09:13","startHours":8.216224406718027,"endHours":9.216224406718027,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:13","end":"10:13","startHours":9.216224406718027,"endHours":10.216224406718027,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:13","end":"11:13","startHours":10.216224406718027,"endHours":11.216224406718027,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:13","end":"12:13","startHours":11.216224406718027,"endHours":12.216224406718027,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:13","end":"13:13","startHours":12.216224406718027,"endHours":13.216224406718027,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:13","end":"14:13","startHours":13.216224406718027,"endHours":14.216224406718027,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:13","end":"15:13","startHours":14.216224406718027,"endHours":15.216224406718027,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:13","end":"16:13","startHours":15.216224406718027,"endHours":16.216224406718027,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:13","end":"17:13","startHours":16.216224406718027,"endHours":17.216224406718027,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:13","end":"18:13","startHours":17.216224406718027,"endHours":18.216224406718027,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:13","end":"19:13","startHours":18.216224406718027,"endHours":19.216224406718027,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:13","end":"20:13","startHours":19.216224406718027,"endHours":20.216224406718027,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:13","end":"21:13","startHours":20.216224406718027,"endHours":21.216224406718027,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:13","end":"22:13","startHours":21.216224406718027,"endHours":22.216224406718027,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:13","end":"23:13","startHours":22.216224406718027,"endHours":23.216224406718027,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:13","end":"00:13","startHours":23.216224406718027,"endHours":24.216224406718027,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:13","end":"01:13","startHours":24.216224406718027,"endHours":25.216224406718027,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:13","end":"02:13","startHours":25.216224406718027,"endHours":26.216224406718027,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:13","end":"03:13","startHours":26.216224406718027,"endHours":27.216224406718027,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:13","end":"04:13","startHours":27.216224406718027,"endHours":28.216224406718027,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:13","end":"05:13","startHours":28.216224406718027,"endHours":29.216224406718027,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"South-East","anandadiYoga":{"name":"Kāṇa","quality":"Inauspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-23.17631362495871,"eotMinutes":-2.803294500272213,"ayanamsa":24.1742}},"calendars":{"vikram_samvat":2079,"vikram_samvatsara":"Rākṣasa","saka_samvat":1944,"saka_samvatsara":"Śubhakṛt","bengali_samvat":1429,"malayalam_era":1198,"nanakshahi_year":553,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Aṣṭamī · Vikram 2079 Rākṣasa · Śaka 1944 Śubhakṛt"},"festivals":[{"id":"lohri","name":"Lohri","name_sanskrit":"लोहड़ी","tradition":"Regional","significance":"Punjab harvest festival; eve of Makara Saṅkrānti. (Approximated as 13/14 January annually; correct via Sun in Dhanu/Makara cusp.)","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":4},{"id":"dhanu-sankranti","name":"Dhanu Saṅkrānti","name_sanskrit":"धनु सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Sagittarius; Dhanu-māsa (Khara-māsa).","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":5}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","url":"/day/-3137-12-25","relevance":0.5}]},"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 30, 2022 CE · Perth, Australia · Vidhyamitra","description":"December 30, 2022 CE for Perth, Australia: Śukla Aṣṭamī, sūryodaya 05:13, sūryāsta 19:26.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2022-12-30","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2022-12-30","sa":"https://sa.vidhyamitra.com/city/perth/2022-12-30","hi":"https://hi.vidhyamitra.com/city/perth/2022-12-30","x-default":"https://vidhyamitra.com/city/perth/2022-12-30"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T07:21:28.254Z","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":"2026-05-15T07:21:28.254Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T07:21:28.254Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}