{"id":"vidhyamitra:city-day:perth:2128-12-22:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2128-12-22","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2128-12-22","date_display":"December 22, 2128 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":2128,"month":12,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2498651.770833,"kali_year":5230,"ahargana":1910186.2708,"sun":{"sidereal_longitude":244.1315,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":243.9214,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":359.7899,"elapsed_within_tithi_degrees":11.7899},"nakshatra":{"number":19,"name":"Mūla","pada":2,"moon_longitude":243.9214,"elapsed_within_degrees":3.9214},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":128.0528},"karana":{"half_tithi_index":59,"name":"Nāga"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2128,"month":12,"day":22,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2498651.770833,"ahargana":1910186.2708,"kali_year":5230,"ayanamsa_lahiri":25.6547,"grahas":{"sun":{"sidereal_longitude":244.77628500000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"moon":{"sidereal_longitude":245.81838500000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false,"latitude":4.0848},"mars":{"sidereal_longitude":194.960785,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":253.8190850000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":310.08288500000003,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":289.771385,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":173.49578500000007,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":129.1389,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":309.1389,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","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":2128,"month":12,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2498651.770833,"kali_year":5230,"ahargana":1910186.2708,"sun":{"sidereal_longitude":244.1315,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":243.9214,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":359.7899,"elapsed_within_tithi_degrees":11.7899},"nakshatra":{"number":19,"name":"Mūla","pada":2,"moon_longitude":243.9214,"elapsed_within_degrees":3.9214},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":128.0528},"karana":{"half_tithi_index":59,"name":"Nāga"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.085,"elongation":0.21},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.085,"opposition_distance":179.79}},"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":"05:08","sunsetLocal":"19:23","solarNoonLocal":"12:16","dayLengthHours":14.239926316618373,"dayLengthDisplay":"14 Hours 14 Mins 24 Secs","nightLengthDisplay":"9 Hours 45 Mins 36 Secs","moonriseLocal":"05:14","moonsetLocal":"19:26","rahuKala":{"name":"Rāhu Kāla","start":"12:16","end":"14:02","startHours":12.26074988167466,"endHours":14.040740671251957,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:55","end":"08:42","startHours":6.920777512942768,"endHours":8.700768302520064,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:29","end":"12:16","startHours":10.480759092097362,"endHours":12.26074988167466,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:28","end":"08:56","startHours":8.463436197243093,"endHours":8.938100407797037,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:44","end":"06:07","startHours":5.734116986557904,"endHours":6.1138483550010605,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:47","end":"12:44","startHours":11.786085671120713,"endHours":12.735414092228606,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:15","end":"04:11","startHours":3.2421298811496886,"endHours":4.191458302257581,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:57","end":"05:08","startHours":3.9541261969806074,"endHours":5.140786723365472,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:38","end":"15:35","startHours":14.634070934444388,"endHours":15.58339935555228,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:11","end":"19:35","startHours":19.180713039983846,"endHours":19.580713039983845,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:23","end":"19:58","startHours":19.380713039983846,"endHours":19.974043303176277,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:08","end":"20:53","startHours":19.130713039983846,"endHours":20.880713039983846,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:47","end":"00:44","startHours":23.786085671120713,"endHours":24.735414092228606,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:08","end":"06:55","startHours":5.140786723365472,"endHours":6.920777512942768,"quality":"auspicious"},{"name":"Amṛta","start":"06:55","end":"08:42","startHours":6.920777512942768,"endHours":8.700768302520064,"quality":"auspicious"},{"name":"Kāla","start":"08:42","end":"10:29","startHours":8.700768302520064,"endHours":10.480759092097362,"quality":"inauspicious"},{"name":"Śubha","start":"10:29","end":"12:16","startHours":10.480759092097362,"endHours":12.26074988167466,"quality":"auspicious"},{"name":"Roga","start":"12:16","end":"14:02","startHours":12.26074988167466,"endHours":14.040740671251957,"quality":"inauspicious"},{"name":"Udveg","start":"14:02","end":"15:49","startHours":14.040740671251957,"endHours":15.82073146082925,"quality":"inauspicious"},{"name":"Chala","start":"15:49","end":"17:36","startHours":15.82073146082925,"endHours":17.600722250406548,"quality":"neutral"},{"name":"Labha","start":"17:36","end":"19:23","startHours":17.600722250406548,"endHours":19.380713039983846,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"19:23","end":"20:36","startHours":19.380713039983846,"endHours":20.600722250406548,"quality":"inauspicious"},{"name":"Chala","start":"20:36","end":"21:49","startHours":20.600722250406548,"endHours":21.82073146082925,"quality":"neutral"},{"name":"Labha","start":"21:49","end":"23:02","startHours":21.82073146082925,"endHours":23.040740671251957,"quality":"auspicious"},{"name":"Amṛta","start":"23:02","end":"00:16","startHours":23.040740671251957,"endHours":24.26074988167466,"quality":"auspicious"},{"name":"Kāla","start":"00:16","end":"01:29","startHours":24.26074988167466,"endHours":25.48075909209736,"quality":"inauspicious"},{"name":"Śubha","start":"01:29","end":"02:42","startHours":25.48075909209736,"endHours":26.700768302520068,"quality":"auspicious"},{"name":"Roga","start":"02:42","end":"03:55","startHours":26.700768302520068,"endHours":27.92077751294277,"quality":"inauspicious"},{"name":"Udveg","start":"03:55","end":"05:08","startHours":27.92077751294277,"endHours":29.140786723365473,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:08","end":"06:08","startHours":5.140786723365472,"endHours":6.140786723365472,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:08","end":"07:08","startHours":6.140786723365472,"endHours":7.140786723365472,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:08","end":"08:08","startHours":7.140786723365472,"endHours":8.140786723365473,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:08","end":"09:08","startHours":8.140786723365473,"endHours":9.140786723365473,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:08","end":"10:08","startHours":9.140786723365473,"endHours":10.140786723365473,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:08","end":"11:08","startHours":10.140786723365473,"endHours":11.140786723365473,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:08","end":"12:08","startHours":11.140786723365473,"endHours":12.140786723365473,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:08","end":"13:08","startHours":12.140786723365473,"endHours":13.140786723365473,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:08","end":"14:08","startHours":13.140786723365473,"endHours":14.140786723365473,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:08","end":"15:08","startHours":14.140786723365473,"endHours":15.140786723365473,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:08","end":"16:08","startHours":15.140786723365473,"endHours":16.140786723365473,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:08","end":"17:08","startHours":16.140786723365473,"endHours":17.140786723365473,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:08","end":"18:08","startHours":17.140786723365473,"endHours":18.140786723365473,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:08","end":"19:08","startHours":18.140786723365473,"endHours":19.140786723365473,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:08","end":"20:08","startHours":19.140786723365473,"endHours":20.140786723365473,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:08","end":"21:08","startHours":20.140786723365473,"endHours":21.140786723365473,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:08","end":"22:08","startHours":21.140786723365473,"endHours":22.140786723365473,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:08","end":"23:08","startHours":22.140786723365473,"endHours":23.140786723365473,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:08","end":"00:08","startHours":23.140786723365473,"endHours":24.140786723365473,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:08","end":"01:08","startHours":24.140786723365473,"endHours":25.140786723365473,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:08","end":"02:08","startHours":25.140786723365473,"endHours":26.140786723365473,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:08","end":"03:08","startHours":26.140786723365473,"endHours":27.140786723365473,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:08","end":"04:08","startHours":27.140786723365473,"endHours":28.140786723365473,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:08","end":"05:08","startHours":28.140786723365473,"endHours":29.140786723365473,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"South-West","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.435797327812427,"eotMinutes":0.9130070995203906,"ayanamsa":25.6547}},"calendars":{"vikram_samvat":2185,"vikram_samvatsara":"Plava","saka_samvat":2050,"saka_samvatsara":"Sarvadhāri","bengali_samvat":1535,"malayalam_era":1304,"nanakshahi_year":659,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Amāvasyā · Vikram 2185 Plava · Śaka 2050 Sarvadhāri"},"festivals":[],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Kṛṣṇa Amāvasyā","url":"/day/-3137-10-20","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 22, 2128 CE · Perth, Australia · Vidhyamitra","description":"December 22, 2128 CE for Perth, Australia: Kṛṣṇa Amāvasyā, sūryodaya 05:08, sūryāsta 19:23.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2128-12-22","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2128-12-22","sa":"https://sa.vidhyamitra.com/city/perth/2128-12-22","hi":"https://hi.vidhyamitra.com/city/perth/2128-12-22","x-default":"https://vidhyamitra.com/city/perth/2128-12-22"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T20:33:12.520Z","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":"2026-05-31T20:33:12.520Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T20:33:12.520Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}