{"id":"vidhyamitra:city-day:perth:2128-12-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2128-12-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2128-12-15","date_display":"December 15, 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":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2498644.770833,"kali_year":5230,"ahargana":1910179.2708,"sun":{"sidereal_longitude":236.9474,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":150.9877,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":274.0402,"elapsed_within_tithi_degrees":10.0402},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":150.9877,"elapsed_within_degrees":4.321},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":27.9351},"karana":{"half_tithi_index":45,"name":"Kaulava"},"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":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2498644.770833,"ahargana":1910179.2708,"kali_year":5230,"ayanamsa_lahiri":25.6544,"grahas":{"sun":{"sidereal_longitude":237.65405299999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":147.97995300000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false,"latitude":1.6462},"mars":{"sidereal_longitude":190.49175300000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":255.33975299999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":309.027553,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":283.051953,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":173.006753,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":129.5098,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":309.5098,"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":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2498644.770833,"kali_year":5230,"ahargana":1910179.2708,"sun":{"sidereal_longitude":236.9474,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":150.9877,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":274.0402,"elapsed_within_tithi_degrees":10.0402},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":150.9877,"elapsed_within_degrees":4.321},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":27.9351},"karana":{"half_tithi_index":45,"name":"Kaulava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.646,"elongation":85.96},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.646,"opposition_distance":94.04}},"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":"05:06","sunsetLocal":"19:19","solarNoonLocal":"12:12","dayLengthHours":14.22239059265248,"dayLengthDisplay":"14 Hours 13 Mins 21 Secs","nightLengthDisplay":"9 Hours 46 Mins 39 Secs","moonriseLocal":"00:17","moonsetLocal":"12:10","rahuKala":{"name":"Rāhu Kāla","start":"12:12","end":"13:59","startHours":12.20633441610713,"endHours":13.98413324018869,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:52","end":"08:39","startHours":6.872937943862449,"endHours":8.650736767944009,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:26","end":"12:12","startHours":10.428535592025568,"endHours":12.20633441610713,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:25","end":"08:53","startHours":8.413696924733134,"endHours":8.887776611154884,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:41","end":"06:04","startHours":5.6877387278080755,"endHours":6.067002476945475,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:44","end":"12:41","startHours":11.73225472968538,"endHours":12.680414102528879,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:12","end":"04:09","startHours":3.1988203740938914,"endHours":4.14697974693739,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:55","end":"05:06","startHours":3.9099399037265155,"endHours":5.095139119780889,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:35","end":"15:31","startHours":14.576732848215876,"endHours":15.524892221059375,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:07","end":"19:31","startHours":19.11752971243337,"endHours":19.51752971243337,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:19","end":"19:55","startHours":19.31752971243337,"endHours":19.910129320460555,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:04","end":"20:49","startHours":19.06752971243337,"endHours":20.81752971243337,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:44","end":"00:41","startHours":23.73225472968538,"endHours":24.68041410252888,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:06","end":"06:52","startHours":5.095139119780889,"endHours":6.872937943862449,"quality":"auspicious"},{"name":"Amṛta","start":"06:52","end":"08:39","startHours":6.872937943862449,"endHours":8.650736767944009,"quality":"auspicious"},{"name":"Kāla","start":"08:39","end":"10:26","startHours":8.650736767944009,"endHours":10.428535592025568,"quality":"inauspicious"},{"name":"Śubha","start":"10:26","end":"12:12","startHours":10.428535592025568,"endHours":12.20633441610713,"quality":"auspicious"},{"name":"Roga","start":"12:12","end":"13:59","startHours":12.20633441610713,"endHours":13.98413324018869,"quality":"inauspicious"},{"name":"Udveg","start":"13:59","end":"15:46","startHours":13.98413324018869,"endHours":15.76193206427025,"quality":"inauspicious"},{"name":"Chala","start":"15:46","end":"17:32","startHours":15.76193206427025,"endHours":17.53973088835181,"quality":"neutral"},{"name":"Labha","start":"17:32","end":"19:19","startHours":17.53973088835181,"endHours":19.31752971243337,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"19:19","end":"20:32","startHours":19.31752971243337,"endHours":20.53973088835181,"quality":"inauspicious"},{"name":"Chala","start":"20:32","end":"21:46","startHours":20.53973088835181,"endHours":21.761932064270248,"quality":"neutral"},{"name":"Labha","start":"21:46","end":"22:59","startHours":21.761932064270248,"endHours":22.98413324018869,"quality":"auspicious"},{"name":"Amṛta","start":"22:59","end":"00:12","startHours":22.98413324018869,"endHours":24.20633441610713,"quality":"auspicious"},{"name":"Kāla","start":"00:12","end":"01:26","startHours":24.20633441610713,"endHours":25.42853559202557,"quality":"inauspicious"},{"name":"Śubha","start":"01:26","end":"02:39","startHours":25.42853559202557,"endHours":26.65073676794401,"quality":"auspicious"},{"name":"Roga","start":"02:39","end":"03:52","startHours":26.65073676794401,"endHours":27.87293794386245,"quality":"inauspicious"},{"name":"Udveg","start":"03:52","end":"05:06","startHours":27.87293794386245,"endHours":29.09513911978089,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:06","end":"06:06","startHours":5.095139119780889,"endHours":6.095139119780889,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:06","end":"07:06","startHours":6.095139119780889,"endHours":7.095139119780889,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:06","end":"08:06","startHours":7.095139119780889,"endHours":8.095139119780889,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:06","end":"09:06","startHours":8.095139119780889,"endHours":9.095139119780889,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:06","end":"10:06","startHours":9.095139119780889,"endHours":10.095139119780889,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:06","end":"11:06","startHours":10.095139119780889,"endHours":11.095139119780889,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:06","end":"12:06","startHours":11.095139119780889,"endHours":12.095139119780889,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:06","end":"13:06","startHours":12.095139119780889,"endHours":13.095139119780889,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:06","end":"14:06","startHours":13.095139119780889,"endHours":14.095139119780889,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:06","end":"15:06","startHours":14.095139119780889,"endHours":15.095139119780889,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:06","end":"16:06","startHours":15.095139119780889,"endHours":16.09513911978089,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:06","end":"17:06","startHours":16.09513911978089,"endHours":17.09513911978089,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:06","end":"18:06","startHours":17.09513911978089,"endHours":18.09513911978089,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:06","end":"19:06","startHours":18.09513911978089,"endHours":19.09513911978089,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:06","end":"20:06","startHours":19.09513911978089,"endHours":20.09513911978089,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:06","end":"21:06","startHours":20.09513911978089,"endHours":21.09513911978089,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:06","end":"22:06","startHours":21.09513911978089,"endHours":22.09513911978089,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:06","end":"23:06","startHours":22.09513911978089,"endHours":23.09513911978089,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:06","end":"00:06","startHours":23.09513911978089,"endHours":24.09513911978089,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:06","end":"01:06","startHours":24.09513911978089,"endHours":25.09513911978089,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:06","end":"02:06","startHours":25.09513911978089,"endHours":26.09513911978089,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:06","end":"03:06","startHours":26.09513911978089,"endHours":27.09513911978089,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:06","end":"04:06","startHours":27.09513911978089,"endHours":28.09513911978089,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:06","end":"05:06","startHours":28.09513911978089,"endHours":29.09513911978089,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"West","rahuVasa":"South-West","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.267411549250745,"eotMinutes":4.177935033572184,"ayanamsa":25.6544}},"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":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Aṣṭamī · 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":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Kṛṣṇa Aṣṭamī","url":"/day/-3226-07-09","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 15, 2128 CE · Perth, Australia · Vidhyamitra","description":"December 15, 2128 CE for Perth, Australia: Kṛṣṇa Aṣṭamī, sūryodaya 05:06, sūryāsta 19:19.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2128-12-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2128-12-15","sa":"https://sa.vidhyamitra.com/city/perth/2128-12-15","hi":"https://hi.vidhyamitra.com/city/perth/2128-12-15","x-default":"https://vidhyamitra.com/city/perth/2128-12-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T07:35:01.231Z","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":"2026-06-02T07:35:01.231Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T07:35:01.231Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}