{"id":"vidhyamitra:city-day:perth:2135-12-19:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2135-12-19","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2135-12-19","date_display":"December 19, 2135 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":2135,"month":12,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2501204.770833,"kali_year":5237,"ahargana":1912739.2708,"sun":{"sidereal_longitude":240.2186,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":42.319,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":162.1004,"elapsed_within_tithi_degrees":6.1004},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1,"moon_longitude":42.319,"elapsed_within_degrees":2.319},"yoga":{"number":22,"name":"Sādhya","sum_longitude":282.5376},"karana":{"half_tithi_index":27,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":2135,"month":12,"day":19,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2501204.770833,"ahargana":1912739.2708,"kali_year":5237,"ayanamsa_lahiri":25.7523,"grahas":{"sun":{"sidereal_longitude":240.914042,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"moon":{"sidereal_longitude":43.602941999999985,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false,"latitude":3.3662},"mars":{"sidereal_longitude":109.64034200000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":243.52514199999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":182.71694200000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":206.058442,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":246.30964200000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":353.8687,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":173.8687,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","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":2135,"month":12,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2501204.770833,"kali_year":5237,"ahargana":1912739.2708,"sun":{"sidereal_longitude":240.2186,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":42.319,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":162.1004,"elapsed_within_tithi_degrees":6.1004},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1,"moon_longitude":42.319,"elapsed_within_degrees":2.319},"yoga":{"number":22,"name":"Sādhya","sum_longitude":282.5376},"karana":{"half_tithi_index":27,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.366,"elongation":162.1},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.366,"opposition_distance":17.9}},"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":"05:07","sunsetLocal":"19:21","solarNoonLocal":"12:14","dayLengthHours":14.235617894213341,"dayLengthDisplay":"14 Hours 14 Mins 08 Secs","nightLengthDisplay":"9 Hours 45 Mins 52 Secs","moonriseLocal":"18:00","moonsetLocal":"04:10","rahuKala":{"name":"Rāhu Kāla","start":"06:54","end":"08:41","startHours":6.89893611693452,"endHours":8.678388353711188,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:27","end":"12:14","startHours":10.457840590487855,"endHours":12.237292827264522,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:01","end":"15:48","startHours":14.016745064041189,"endHours":15.796197300817859,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:26","end":"08:55","startHours":8.441128055474298,"endHours":8.915648651948077,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:43","end":"06:06","startHours":5.712634625750074,"endHours":6.092251102929097,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:46","end":"12:43","startHours":11.762772230790743,"endHours":12.7118134237383,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:13","end":"04:10","startHours":3.2214014942627403,"endHours":4.170442687210296,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:56","end":"05:07","startHours":3.9331823889734068,"endHours":5.119483880157852,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:37","end":"15:34","startHours":14.609895809633414,"endHours":15.55893700258097,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:09","end":"19:33","startHours":19.155101774371193,"endHours":19.55510177437119,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:21","end":"19:57","startHours":19.355101774371192,"endHours":19.948252519963415,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:06","end":"20:51","startHours":19.105101774371192,"endHours":20.855101774371192,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:46","end":"00:43","startHours":23.762772230790745,"endHours":24.7118134237383,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:07","end":"06:54","startHours":5.119483880157852,"endHours":6.89893611693452,"quality":"auspicious"},{"name":"Kāla","start":"06:54","end":"08:41","startHours":6.89893611693452,"endHours":8.678388353711188,"quality":"inauspicious"},{"name":"Śubha","start":"08:41","end":"10:27","startHours":8.678388353711188,"endHours":10.457840590487855,"quality":"auspicious"},{"name":"Roga","start":"10:27","end":"12:14","startHours":10.457840590487855,"endHours":12.237292827264522,"quality":"inauspicious"},{"name":"Udveg","start":"12:14","end":"14:01","startHours":12.237292827264522,"endHours":14.016745064041189,"quality":"inauspicious"},{"name":"Chala","start":"14:01","end":"15:48","startHours":14.016745064041189,"endHours":15.796197300817859,"quality":"neutral"},{"name":"Labha","start":"15:48","end":"17:35","startHours":15.796197300817859,"endHours":17.575649537594526,"quality":"auspicious"},{"name":"Amṛta","start":"17:35","end":"19:21","startHours":17.575649537594526,"endHours":19.355101774371192,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"19:21","end":"20:35","startHours":19.355101774371192,"endHours":20.575649537594526,"quality":"neutral"},{"name":"Labha","start":"20:35","end":"21:48","startHours":20.575649537594526,"endHours":21.79619730081786,"quality":"auspicious"},{"name":"Amṛta","start":"21:48","end":"23:01","startHours":21.79619730081786,"endHours":23.01674506404119,"quality":"auspicious"},{"name":"Kāla","start":"23:01","end":"00:14","startHours":23.01674506404119,"endHours":24.237292827264522,"quality":"inauspicious"},{"name":"Śubha","start":"00:14","end":"01:27","startHours":24.237292827264522,"endHours":25.457840590487855,"quality":"auspicious"},{"name":"Roga","start":"01:27","end":"02:41","startHours":25.457840590487855,"endHours":26.678388353711185,"quality":"inauspicious"},{"name":"Udveg","start":"02:41","end":"03:54","startHours":26.678388353711185,"endHours":27.898936116934518,"quality":"inauspicious"},{"name":"Chala","start":"03:54","end":"05:07","startHours":27.898936116934518,"endHours":29.11948388015785,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:07","end":"06:07","startHours":5.119483880157852,"endHours":6.119483880157852,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:07","end":"07:07","startHours":6.119483880157852,"endHours":7.119483880157852,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:07","end":"08:07","startHours":7.119483880157852,"endHours":8.119483880157851,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:07","end":"09:07","startHours":8.119483880157851,"endHours":9.119483880157851,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:07","end":"10:07","startHours":9.119483880157851,"endHours":10.119483880157851,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:07","end":"11:07","startHours":10.119483880157851,"endHours":11.119483880157851,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:07","end":"12:07","startHours":11.119483880157851,"endHours":12.119483880157851,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:07","end":"13:07","startHours":12.119483880157851,"endHours":13.119483880157851,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:07","end":"14:07","startHours":13.119483880157851,"endHours":14.119483880157851,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:07","end":"15:07","startHours":14.119483880157851,"endHours":15.119483880157851,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:07","end":"16:07","startHours":15.119483880157851,"endHours":16.11948388015785,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:07","end":"17:07","startHours":16.11948388015785,"endHours":17.11948388015785,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:07","end":"18:07","startHours":17.11948388015785,"endHours":18.11948388015785,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:07","end":"19:07","startHours":18.11948388015785,"endHours":19.11948388015785,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:07","end":"20:07","startHours":19.11948388015785,"endHours":20.11948388015785,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:07","end":"21:07","startHours":20.11948388015785,"endHours":21.11948388015785,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:07","end":"22:07","startHours":21.11948388015785,"endHours":22.11948388015785,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:07","end":"23:07","startHours":22.11948388015785,"endHours":23.11948388015785,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:07","end":"00:07","startHours":23.11948388015785,"endHours":24.11948388015785,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:07","end":"01:07","startHours":24.11948388015785,"endHours":25.11948388015785,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:07","end":"02:07","startHours":25.11948388015785,"endHours":26.11948388015785,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:07","end":"03:07","startHours":26.11948388015785,"endHours":27.11948388015785,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:07","end":"04:07","startHours":27.11948388015785,"endHours":28.11948388015785,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:07","end":"05:07","startHours":28.11948388015785,"endHours":29.11948388015785,"planetary_lord":"Venus"}],"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":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Śrīvatsa","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.394477467069347,"eotMinutes":2.3204303641286352,"ayanamsa":25.7523}},"calendars":{"vikram_samvat":2192,"vikram_samvatsara":"Kīlaka","saka_samvat":2057,"saka_samvatsara":"Manmatha","bengali_samvat":1542,"malayalam_era":1311,"nanakshahi_year":666,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Mārgaśīrṣa","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":"Mārgaśīrṣa Śukla Caturdaśī · Vikram 2192 Kīlaka · Śaka 2057 Manmatha"},"festivals":[{"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_ingress":"Dhanu"},"precedence":5}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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 Rohiṇī","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 19, 2135 CE · Perth, Australia · Vidhyamitra","description":"December 19, 2135 CE for Perth, Australia: Śukla Caturdaśī, sūryodaya 05:07, sūryāsta 19:21.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2135-12-19","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2135-12-19","sa":"https://sa.vidhyamitra.com/city/perth/2135-12-19","hi":"https://hi.vidhyamitra.com/city/perth/2135-12-19","x-default":"https://vidhyamitra.com/city/perth/2135-12-19"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T02:33:49.440Z","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":"2026-06-02T02:33:49.440Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T02:33:49.440Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}