{"id":"vidhyamitra:city-day:perth:2019-01-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2019-01-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2019-01-17","date_display":"January 17, 2019 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":2019,"month":1,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458500.770833,"kali_year":5120,"ahargana":1870035.2708,"sun":{"sidereal_longitude":272.3547,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":37.8917,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":125.5371,"elapsed_within_tithi_degrees":5.5371},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4,"moon_longitude":37.8917,"elapsed_within_degrees":11.2251},"yoga":{"number":24,"name":"Śukla","sum_longitude":310.2464},"karana":{"half_tithi_index":20,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2019,"month":1,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2458500.770833,"ahargana":1870035.2708,"kali_year":5120,"ayanamsa_lahiri":24.119,"grahas":{"sun":{"sidereal_longitude":272.498549,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":35.78294900000003,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false,"latitude":-3.8416},"mars":{"sidereal_longitude":346.371649,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":264.00104899999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":230.86374899999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":225.64004899999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":259.04544899999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":96.5321,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":276.5321,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"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":2019,"month":1,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458500.770833,"kali_year":5120,"ahargana":1870035.2708,"sun":{"sidereal_longitude":272.3547,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":37.8917,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":125.5371,"elapsed_within_tithi_degrees":5.5371},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4,"moon_longitude":37.8917,"elapsed_within_degrees":11.2251},"yoga":{"number":24,"name":"Śukla","sum_longitude":310.2464},"karana":{"half_tithi_index":20,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.842,"elongation":125.537},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.842,"opposition_distance":54.463}},"eclipse_window_40days":[{"offset_days":-11,"type":"solar","occurs":true,"moon_latitude":1.158,"elongation":1.13}]},"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":"05:27","sunsetLocal":"19:26","solarNoonLocal":"12:27","dayLengthHours":13.974569933811559,"dayLengthDisplay":"13 Hours 58 Mins 28 Secs","nightLengthDisplay":"10 Hours 01 Mins 32 Secs","moonriseLocal":"15:30","moonsetLocal":"01:50","rahuKala":{"name":"Rāhu Kāla","start":"14:11","end":"15:56","startHours":14.189889387494922,"endHours":15.936710629221366,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:27","end":"07:12","startHours":5.455783178862698,"endHours":7.202604420589143,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:57","end":"10:42","startHours":8.949425662315587,"endHours":10.696246904042033,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:43","end":"09:11","startHours":8.716516163418728,"endHours":9.182335161212446,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:02","end":"06:25","startHours":6.038056926104846,"endHours":6.410712124339821,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:59","end":"12:55","startHours":11.97724914797476,"endHours":12.908887143562197,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:36","end":"04:31","startHours":3.592507187687824,"endHours":4.524145183275261,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:17","end":"05:27","startHours":4.291235684378401,"endHours":5.455783178862698,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:46","end":"15:42","startHours":14.77216313473707,"endHours":15.703801130324507,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:14","end":"19:38","startHours":19.23035311267426,"endHours":19.630353112674257,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:26","end":"20:01","startHours":19.430353112674258,"endHours":20.012626859916406,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:11","end":"20:56","startHours":19.180353112674258,"endHours":20.930353112674258,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:59","end":"00:55","startHours":23.97724914797476,"endHours":24.908887143562197,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:27","end":"07:12","startHours":5.455783178862698,"endHours":7.202604420589143,"quality":"auspicious"},{"name":"Roga","start":"07:12","end":"08:57","startHours":7.202604420589143,"endHours":8.949425662315587,"quality":"inauspicious"},{"name":"Udveg","start":"08:57","end":"10:42","startHours":8.949425662315587,"endHours":10.696246904042033,"quality":"inauspicious"},{"name":"Chala","start":"10:42","end":"12:27","startHours":10.696246904042033,"endHours":12.443068145768478,"quality":"neutral"},{"name":"Labha","start":"12:27","end":"14:11","startHours":12.443068145768478,"endHours":14.189889387494922,"quality":"auspicious"},{"name":"Amṛta","start":"14:11","end":"15:56","startHours":14.189889387494922,"endHours":15.936710629221366,"quality":"auspicious"},{"name":"Kāla","start":"15:56","end":"17:41","startHours":15.936710629221366,"endHours":17.683531870947814,"quality":"inauspicious"},{"name":"Śubha","start":"17:41","end":"19:26","startHours":17.683531870947814,"endHours":19.430353112674258,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"19:26","end":"20:41","startHours":19.430353112674258,"endHours":20.683531870947814,"quality":"auspicious"},{"name":"Kāla","start":"20:41","end":"21:56","startHours":20.683531870947814,"endHours":21.936710629221366,"quality":"inauspicious"},{"name":"Śubha","start":"21:56","end":"23:11","startHours":21.936710629221366,"endHours":23.189889387494922,"quality":"auspicious"},{"name":"Roga","start":"23:11","end":"00:27","startHours":23.189889387494922,"endHours":24.44306814576848,"quality":"inauspicious"},{"name":"Udveg","start":"00:27","end":"01:42","startHours":24.44306814576848,"endHours":25.696246904042034,"quality":"inauspicious"},{"name":"Chala","start":"01:42","end":"02:57","startHours":25.696246904042034,"endHours":26.94942566231559,"quality":"neutral"},{"name":"Labha","start":"02:57","end":"04:12","startHours":26.94942566231559,"endHours":28.202604420589143,"quality":"auspicious"},{"name":"Amṛta","start":"04:12","end":"05:27","startHours":28.202604420589143,"endHours":29.4557831788627,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:27","end":"06:27","startHours":5.455783178862698,"endHours":6.455783178862698,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:27","end":"07:27","startHours":6.455783178862698,"endHours":7.455783178862698,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:27","end":"08:27","startHours":7.455783178862698,"endHours":8.4557831788627,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:27","end":"09:27","startHours":8.4557831788627,"endHours":9.4557831788627,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:27","end":"10:27","startHours":9.4557831788627,"endHours":10.4557831788627,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:27","end":"11:27","startHours":10.4557831788627,"endHours":11.4557831788627,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:27","end":"12:27","startHours":11.4557831788627,"endHours":12.4557831788627,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:27","end":"13:27","startHours":12.4557831788627,"endHours":13.4557831788627,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:27","end":"14:27","startHours":13.4557831788627,"endHours":14.4557831788627,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:27","end":"15:27","startHours":14.4557831788627,"endHours":15.4557831788627,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:27","end":"16:27","startHours":15.4557831788627,"endHours":16.4557831788627,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:27","end":"17:27","startHours":16.4557831788627,"endHours":17.4557831788627,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:27","end":"18:27","startHours":17.4557831788627,"endHours":18.4557831788627,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:27","end":"19:27","startHours":18.4557831788627,"endHours":19.4557831788627,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:27","end":"20:27","startHours":19.4557831788627,"endHours":20.4557831788627,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:27","end":"21:27","startHours":20.4557831788627,"endHours":21.4557831788627,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:27","end":"22:27","startHours":21.4557831788627,"endHours":22.4557831788627,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:27","end":"23:27","startHours":22.4557831788627,"endHours":23.4557831788627,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:27","end":"00:27","startHours":23.4557831788627,"endHours":24.4557831788627,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:27","end":"01:27","startHours":24.4557831788627,"endHours":25.4557831788627,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:27","end":"02:27","startHours":25.4557831788627,"endHours":26.4557831788627,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:27","end":"03:27","startHours":26.4557831788627,"endHours":27.4557831788627,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:27","end":"04:27","startHours":27.4557831788627,"endHours":28.4557831788627,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:27","end":"05:27","startHours":28.4557831788627,"endHours":29.4557831788627,"planetary_lord":"Moon"}],"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","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-East","rahuVasa":"North-West","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"drikRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-20.82897104200641,"eotMinutes":-10.026088746108654,"ayanamsa":24.119}},"calendars":{"vikram_samvat":2076,"vikram_samvatsara":"Paridhāvi","saka_samvat":1941,"saka_samvatsara":"Vikāri","bengali_samvat":1426,"malayalam_era":1195,"nanakshahi_year":550,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Ekādaśī · Vikram 2076 Paridhāvi · Śaka 1941 Vikāri"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2},{"id":"jaya-ekadashi","name":"Jayā Ekādaśī","name_sanskrit":"जया एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Removes pretatva (ghost-state); grants victory.","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Māgha"},"precedence":4},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Kṛttikā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Kṛttikā","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 January 17, 2019 CE · Perth, Australia · Vidhyamitra","description":"January 17, 2019 CE for Perth, Australia: Śukla Ekādaśī, sūryodaya 05:27, sūryāsta 19:26.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2019-01-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2019-01-17","sa":"https://sa.vidhyamitra.com/city/perth/2019-01-17","hi":"https://hi.vidhyamitra.com/city/perth/2019-01-17","x-default":"https://vidhyamitra.com/city/perth/2019-01-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T02:59:49.698Z","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":"2026-05-15T02:59:49.698Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T02:59:49.698Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}