{"id":"vidhyamitra:city-day:perth:2039-01-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2039-01-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2039-01-04","date_display":"January 4, 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":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2465792.770833,"kali_year":5140,"ahargana":1877327.2708,"sun":{"sidereal_longitude":258.8168,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":5.9592,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":107.1424,"elapsed_within_tithi_degrees":11.1424},"nakshatra":{"number":1,"name":"Aśvinī","pada":2,"moon_longitude":5.9592,"elapsed_within_degrees":5.9592},"yoga":{"number":20,"name":"Śiva","sum_longitude":264.776},"karana":{"half_tithi_index":17,"name":"Kaulava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2465792.770833,"ahargana":1877327.2708,"kali_year":5140,"ayanamsa_lahiri":24.3979,"grahas":{"sun":{"sidereal_longitude":259.12114099999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":8.07674099999997,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false,"latitude":-4.0509},"mars":{"sidereal_longitude":239.173041,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":246.38044100000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":125.577741,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":277.600641,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":154.219341,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":70.1669,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":250.1669,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"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":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2465792.770833,"kali_year":5140,"ahargana":1877327.2708,"sun":{"sidereal_longitude":258.8168,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":5.9592,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":107.1424,"elapsed_within_tithi_degrees":11.1424},"nakshatra":{"number":1,"name":"Aśvinī","pada":2,"moon_longitude":5.9592,"elapsed_within_degrees":5.9592},"yoga":{"number":20,"name":"Śiva","sum_longitude":264.776},"karana":{"half_tithi_index":17,"name":"Kaulava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.051,"elongation":107.142},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.051,"opposition_distance":72.858}},"eclipse_window_40days":[{"offset_days":-9,"type":"solar","occurs":true,"moon_latitude":-0.002,"elongation":1.103}]},"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":"05:17","sunsetLocal":"19:27","solarNoonLocal":"12:22","dayLengthHours":14.16887234698195,"dayLengthDisplay":"14 Hours 10 Mins 08 Secs","nightLengthDisplay":"9 Hours 49 Mins 52 Secs","moonriseLocal":"14:06","moonsetLocal":"01:09","rahuKala":{"name":"Rāhu Kāla","start":"15:54","end":"17:40","startHours":15.901916534501254,"endHours":17.673025577874,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:49","end":"10:35","startHours":8.81748036101028,"endHours":10.588589404383024,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:22","end":"14:08","startHours":12.359698447755768,"endHours":14.130807491128511,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:35","end":"09:03","startHours":8.58133248856058,"endHours":9.053628233459978,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:52","end":"06:15","startHours":5.86563195538904,"endHours":6.243468551308559,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:50","startHours":11.88740270285637,"endHours":12.831994192655166,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:23","end":"04:20","startHours":3.3860792946671996,"endHours":4.330670784465996,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:06","end":"05:17","startHours":4.094522912016297,"endHours":5.275262274264793,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:43","end":"15:40","startHours":14.721177172252759,"endHours":15.665768662051555,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:15","end":"19:39","startHours":19.244134621246744,"endHours":19.644134621246742,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:27","end":"20:02","startHours":19.444134621246743,"endHours":20.03450430237099,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:12","end":"20:57","startHours":19.194134621246743,"endHours":20.944134621246743,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:50","startHours":23.88740270285637,"endHours":24.831994192655166,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:17","end":"07:03","startHours":5.275262274264793,"endHours":7.046371317637536,"quality":"inauspicious"},{"name":"Udveg","start":"07:03","end":"08:49","startHours":7.046371317637536,"endHours":8.81748036101028,"quality":"inauspicious"},{"name":"Chala","start":"08:49","end":"10:35","startHours":8.81748036101028,"endHours":10.588589404383024,"quality":"neutral"},{"name":"Labha","start":"10:35","end":"12:22","startHours":10.588589404383024,"endHours":12.359698447755768,"quality":"auspicious"},{"name":"Amṛta","start":"12:22","end":"14:08","startHours":12.359698447755768,"endHours":14.130807491128511,"quality":"auspicious"},{"name":"Kāla","start":"14:08","end":"15:54","startHours":14.130807491128511,"endHours":15.901916534501254,"quality":"inauspicious"},{"name":"Śubha","start":"15:54","end":"17:40","startHours":15.901916534501254,"endHours":17.673025577874,"quality":"auspicious"},{"name":"Roga","start":"17:40","end":"19:27","startHours":17.673025577874,"endHours":19.444134621246743,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"19:27","end":"20:40","startHours":19.444134621246743,"endHours":20.673025577874,"quality":"inauspicious"},{"name":"Śubha","start":"20:40","end":"21:54","startHours":20.673025577874,"endHours":21.901916534501254,"quality":"auspicious"},{"name":"Roga","start":"21:54","end":"23:08","startHours":21.901916534501254,"endHours":23.13080749112851,"quality":"inauspicious"},{"name":"Udveg","start":"23:08","end":"00:22","startHours":23.13080749112851,"endHours":24.35969844775577,"quality":"inauspicious"},{"name":"Chala","start":"00:22","end":"01:35","startHours":24.35969844775577,"endHours":25.588589404383026,"quality":"neutral"},{"name":"Labha","start":"01:35","end":"02:49","startHours":25.588589404383026,"endHours":26.817480361010283,"quality":"auspicious"},{"name":"Amṛta","start":"02:49","end":"04:03","startHours":26.817480361010283,"endHours":28.046371317637536,"quality":"auspicious"},{"name":"Kāla","start":"04:03","end":"05:17","startHours":28.046371317637536,"endHours":29.275262274264794,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:17","end":"06:17","startHours":5.275262274264793,"endHours":6.275262274264793,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:17","end":"07:17","startHours":6.275262274264793,"endHours":7.275262274264793,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:17","end":"08:17","startHours":7.275262274264793,"endHours":8.275262274264794,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:17","end":"09:17","startHours":8.275262274264794,"endHours":9.275262274264794,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:17","end":"10:17","startHours":9.275262274264794,"endHours":10.275262274264794,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:17","end":"11:17","startHours":10.275262274264794,"endHours":11.275262274264794,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:17","end":"12:17","startHours":11.275262274264794,"endHours":12.275262274264794,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:17","end":"13:17","startHours":12.275262274264794,"endHours":13.275262274264794,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:17","end":"14:17","startHours":13.275262274264794,"endHours":14.275262274264794,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:17","end":"15:17","startHours":14.275262274264794,"endHours":15.275262274264794,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:17","end":"16:17","startHours":15.275262274264794,"endHours":16.275262274264794,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:17","end":"17:17","startHours":16.275262274264794,"endHours":17.275262274264794,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:17","end":"18:17","startHours":17.275262274264794,"endHours":18.275262274264794,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:17","end":"19:17","startHours":18.275262274264794,"endHours":19.275262274264794,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:17","end":"20:17","startHours":19.275262274264794,"endHours":20.275262274264794,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:17","end":"21:17","startHours":20.275262274264794,"endHours":21.275262274264794,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:17","end":"22:17","startHours":21.275262274264794,"endHours":22.275262274264794,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:17","end":"23:17","startHours":22.275262274264794,"endHours":23.275262274264794,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:17","end":"00:17","startHours":23.275262274264794,"endHours":24.275262274264794,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:17","end":"01:17","startHours":24.275262274264794,"endHours":25.275262274264794,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:17","end":"02:17","startHours":25.275262274264794,"endHours":26.275262274264794,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:17","end":"03:17","startHours":26.275262274264794,"endHours":27.275262274264794,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:17","end":"04:17","startHours":27.275262274264794,"endHours":28.275262274264794,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:17","end":"05:17","startHours":28.275262274264794,"endHours":29.275262274264794,"planetary_lord":"Saturn"}],"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":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"North","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-22.75007718600201,"eotMinutes":-5.02390686534617,"ayanamsa":24.3979}},"calendars":{"vikram_samvat":2096,"vikram_samvatsara":"Aṅgirasa","saka_samvat":1961,"saka_samvatsara":"Siddhārthī","bengali_samvat":1446,"malayalam_era":1215,"nanakshahi_year":570,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Navamī · Vikram 2096 Aṅgirasa · Śaka 1961 Siddhārthī"},"festivals":[{"id":"lohri","name":"Lohri","name_sanskrit":"लोहड़ी","tradition":"Regional","significance":"Punjab harvest festival; eve of Makara Saṅkrānti. (Approximated as 13/14 January annually; correct via Sun in Dhanu/Makara cusp.)","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":4},{"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":"Dhanu"},"precedence":5}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","relevance":0.5},{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Śukla Navamī","url":"/day/-1626101-04-03","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 4, 2039 CE · Perth, Australia · Vidhyamitra","description":"January 4, 2039 CE for Perth, Australia: Śukla Navamī, sūryodaya 05:17, sūryāsta 19:27.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2039-01-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2039-01-04","sa":"https://sa.vidhyamitra.com/city/perth/2039-01-04","hi":"https://hi.vidhyamitra.com/city/perth/2039-01-04","x-default":"https://vidhyamitra.com/city/perth/2039-01-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T16:58:23.801Z","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":"2026-05-15T16:58:23.801Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T16:58:23.801Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}