{"id":"vidhyamitra:city-day:perth:2039-01-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2039-01-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2039-01-17","date_display":"January 17, 2039 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":2039,"month":1,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2465805.770833,"kali_year":5140,"ahargana":1877340.2708,"sun":{"sidereal_longitude":272.1749,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":173.8367,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":261.6618,"elapsed_within_tithi_degrees":9.6618},"nakshatra":{"number":14,"name":"Citrā","pada":1,"moon_longitude":173.8367,"elapsed_within_degrees":0.5034},"yoga":{"number":7,"name":"Sukarma","sum_longitude":86.0116},"karana":{"half_tithi_index":43,"name":"Bava"},"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":2039,"month":1,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2465805.770833,"ahargana":1877340.2708,"kali_year":5140,"ayanamsa_lahiri":24.3984,"grahas":{"sun":{"sidereal_longitude":272.36664399999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":172.78954399999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false,"latitude":4.3592},"mars":{"sidereal_longitude":248.74984399999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":266.84944399999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":124.59934399999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":293.831044,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":154.16774399999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":69.4781,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":249.4781,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","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":2039,"month":1,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2465805.770833,"kali_year":5140,"ahargana":1877340.2708,"sun":{"sidereal_longitude":272.1749,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":173.8367,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":261.6618,"elapsed_within_tithi_degrees":9.6618},"nakshatra":{"number":14,"name":"Citrā","pada":1,"moon_longitude":173.8367,"elapsed_within_degrees":0.5034},"yoga":{"number":7,"name":"Sukarma","sum_longitude":86.0116},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.359,"elongation":98.338},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.359,"opposition_distance":81.662}},"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":"05:27","sunsetLocal":"19:26","solarNoonLocal":"12:27","dayLengthHours":13.971767787993798,"dayLengthDisplay":"13 Hours 58 Mins 18 Secs","nightLengthDisplay":"10 Hours 01 Mins 42 Secs","moonriseLocal":"23:29","moonsetLocal":"12:08","rahuKala":{"name":"Rāhu Kāla","start":"07:12","end":"08:57","startHours":7.203655225270805,"endHours":8.950126198770029,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:42","end":"12:27","startHours":10.696597172269254,"endHours":12.443068145768478,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:11","end":"15:56","startHours":14.189539119267703,"endHours":15.936010092766928,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:43","end":"09:11","startHours":8.717263402303466,"endHours":9.182988995236594,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:02","end":"06:25","startHours":6.039341242937988,"endHours":6.411921717284489,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:59","end":"12:55","startHours":11.977342552835351,"endHours":12.908793738701606,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:36","end":"04:32","startHours":3.594281880039074,"endHours":4.525733065905327,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:18","end":"05:27","startHours":4.2928702694387635,"endHours":5.45718425177158,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:46","end":"15:42","startHours":14.771696110434114,"endHours":15.703147296300367,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:14","end":"19:38","startHours":19.228952039765378,"endHours":19.628952039765377,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:26","end":"20:01","startHours":19.428952039765377,"endHours":20.011109030931785,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:11","end":"20:56","startHours":19.178952039765377,"endHours":20.928952039765377,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:59","end":"00:55","startHours":23.977342552835353,"endHours":24.908793738701604,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:27","end":"07:12","startHours":5.45718425177158,"endHours":7.203655225270805,"quality":"auspicious"},{"name":"Kāla","start":"07:12","end":"08:57","startHours":7.203655225270805,"endHours":8.950126198770029,"quality":"inauspicious"},{"name":"Śubha","start":"08:57","end":"10:42","startHours":8.950126198770029,"endHours":10.696597172269254,"quality":"auspicious"},{"name":"Roga","start":"10:42","end":"12:27","startHours":10.696597172269254,"endHours":12.443068145768478,"quality":"inauspicious"},{"name":"Udveg","start":"12:27","end":"14:11","startHours":12.443068145768478,"endHours":14.189539119267703,"quality":"inauspicious"},{"name":"Chala","start":"14:11","end":"15:56","startHours":14.189539119267703,"endHours":15.936010092766928,"quality":"neutral"},{"name":"Labha","start":"15:56","end":"17:41","startHours":15.936010092766928,"endHours":17.682481066266153,"quality":"auspicious"},{"name":"Amṛta","start":"17:41","end":"19:26","startHours":17.682481066266153,"endHours":19.428952039765377,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"19:26","end":"20:41","startHours":19.428952039765377,"endHours":20.682481066266153,"quality":"neutral"},{"name":"Labha","start":"20:41","end":"21:56","startHours":20.682481066266153,"endHours":21.936010092766928,"quality":"auspicious"},{"name":"Amṛta","start":"21:56","end":"23:11","startHours":21.936010092766928,"endHours":23.189539119267703,"quality":"auspicious"},{"name":"Kāla","start":"23:11","end":"00:27","startHours":23.189539119267703,"endHours":24.44306814576848,"quality":"inauspicious"},{"name":"Śubha","start":"00:27","end":"01:42","startHours":24.44306814576848,"endHours":25.696597172269254,"quality":"auspicious"},{"name":"Roga","start":"01:42","end":"02:57","startHours":25.696597172269254,"endHours":26.95012619877003,"quality":"inauspicious"},{"name":"Udveg","start":"02:57","end":"04:12","startHours":26.95012619877003,"endHours":28.203655225270804,"quality":"inauspicious"},{"name":"Chala","start":"04:12","end":"05:27","startHours":28.203655225270804,"endHours":29.45718425177158,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:27","end":"06:27","startHours":5.45718425177158,"endHours":6.45718425177158,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:27","end":"07:27","startHours":6.45718425177158,"endHours":7.45718425177158,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:27","end":"08:27","startHours":7.45718425177158,"endHours":8.45718425177158,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:27","end":"09:27","startHours":8.45718425177158,"endHours":9.45718425177158,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:27","end":"10:27","startHours":9.45718425177158,"endHours":10.45718425177158,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:27","end":"11:27","startHours":10.45718425177158,"endHours":11.45718425177158,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:27","end":"12:27","startHours":11.45718425177158,"endHours":12.45718425177158,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:27","end":"13:27","startHours":12.45718425177158,"endHours":13.45718425177158,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:27","end":"14:27","startHours":13.45718425177158,"endHours":14.45718425177158,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:27","end":"15:27","startHours":14.45718425177158,"endHours":15.45718425177158,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:27","end":"16:27","startHours":15.45718425177158,"endHours":16.45718425177158,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:27","end":"17:27","startHours":16.45718425177158,"endHours":17.45718425177158,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:27","end":"18:27","startHours":17.45718425177158,"endHours":18.45718425177158,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:27","end":"19:27","startHours":18.45718425177158,"endHours":19.45718425177158,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:27","end":"20:27","startHours":19.45718425177158,"endHours":20.45718425177158,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:27","end":"21:27","startHours":20.45718425177158,"endHours":21.45718425177158,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:27","end":"22:27","startHours":21.45718425177158,"endHours":22.45718425177158,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:27","end":"23:27","startHours":22.45718425177158,"endHours":23.45718425177158,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:27","end":"00:27","startHours":23.45718425177158,"endHours":24.45718425177158,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:27","end":"01:27","startHours":24.45718425177158,"endHours":25.45718425177158,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:27","end":"02:27","startHours":25.45718425177158,"endHours":26.45718425177158,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:27","end":"03:27","startHours":26.45718425177158,"endHours":27.45718425177158,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:27","end":"04:27","startHours":27.45718425177158,"endHours":28.45718425177158,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:27","end":"05:27","startHours":28.45718425177158,"endHours":29.45718425177158,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-West","rahuVasa":"North-East","anandadiYoga":{"name":"Kāṇa","quality":"Inauspicious"},"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":-20.800780461133712,"eotMinutes":-10.026088746108654,"ayanamsa":24.3984}},"calendars":{"vikram_samvat":2096,"vikram_samvatsara":"Aṅgirasa","saka_samvat":1961,"saka_samvatsara":"Siddhārthī","bengali_samvat":1446,"malayalam_era":1215,"nanakshahi_year":570,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Saptamī · Vikram 2096 Aṅgirasa · Śaka 1961 Siddhārthī"},"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}],"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":[]},"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, 2039 CE · Perth, Australia · Vidhyamitra","description":"January 17, 2039 CE for Perth, Australia: Kṛṣṇa Saptamī, sūryodaya 05:27, sūryāsta 19:26.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2039-01-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2039-01-17","sa":"https://sa.vidhyamitra.com/city/perth/2039-01-17","hi":"https://hi.vidhyamitra.com/city/perth/2039-01-17","x-default":"https://vidhyamitra.com/city/perth/2039-01-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T08:23:39.032Z","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":"2026-05-15T08:23:39.032Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T08:23:39.032Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}