{"id":"vidhyamitra:city-day:perth:2039-12-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2039-12-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2039-12-17","date_display":"December 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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2039,"month":12,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2466139.770833,"kali_year":5141,"ahargana":1877674.2708,"sun":{"sidereal_longitude":240.055,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":257.8073,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":17.7523,"elapsed_within_tithi_degrees":5.7523},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2,"moon_longitude":257.8073,"elapsed_within_degrees":4.474},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":137.8624},"karana":{"half_tithi_index":2,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":12,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2466139.770833,"ahargana":1877674.2708,"kali_year":5141,"ayanamsa_lahiri":24.4112,"grahas":{"sun":{"sidereal_longitude":240.52468299999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"moon":{"sidereal_longitude":259.788283,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false,"latitude":-1.9729},"mars":{"sidereal_longitude":82.96238299999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":true},"mercury":{"sidereal_longitude":229.34578299999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":155.19588299999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":200.64218300000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":165.80068300000005,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":51.7811,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":231.7811,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2039,"month":12,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2466139.770833,"kali_year":5141,"ahargana":1877674.2708,"sun":{"sidereal_longitude":240.055,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":257.8073,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":17.7523,"elapsed_within_tithi_degrees":5.7523},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2,"moon_longitude":257.8073,"elapsed_within_degrees":4.474},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":137.8624},"karana":{"half_tithi_index":2,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.973,"elongation":17.752},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.973,"opposition_distance":162.248}},"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":"19:20","solarNoonLocal":"12:13","dayLengthHours":14.229899513483652,"dayLengthDisplay":"14 Hours 13 Mins 48 Secs","nightLengthDisplay":"9 Hours 46 Mins 12 Secs","moonriseLocal":"06:27","moonsetLocal":"20:34","rahuKala":{"name":"Rāhu Kāla","start":"08:40","end":"10:27","startHours":8.664268973677279,"endHours":10.443006412862736,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:00","end":"15:47","startHours":14.000481291233648,"endHours":15.779218730419105,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:06","end":"06:53","startHours":5.106794095306366,"endHours":6.885531534491823,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:26","end":"08:54","startHours":8.427103981785885,"endHours":8.901433965568673,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:42","end":"06:05","startHours":5.699706575034852,"endHours":6.0791705620610825,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:45","end":"12:42","startHours":11.747413868265404,"endHours":12.69607383583098,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:13","end":"04:09","startHours":3.209474160175213,"endHours":4.158134127740789,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:55","end":"05:06","startHours":3.920969135849395,"endHours":5.106794095306366,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:36","end":"15:33","startHours":14.593393770962134,"endHours":15.542053738527711,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:08","end":"19:32","startHours":19.13669360879002,"endHours":19.536693608790017,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:20","end":"19:56","startHours":19.336693608790018,"endHours":19.929606088518504,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:05","end":"20:50","startHours":19.086693608790018,"endHours":20.836693608790018,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:45","end":"00:42","startHours":23.747413868265404,"endHours":24.69607383583098,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:06","end":"06:53","startHours":5.106794095306366,"endHours":6.885531534491823,"quality":"inauspicious"},{"name":"Śubha","start":"06:53","end":"08:40","startHours":6.885531534491823,"endHours":8.664268973677279,"quality":"auspicious"},{"name":"Roga","start":"08:40","end":"10:27","startHours":8.664268973677279,"endHours":10.443006412862736,"quality":"inauspicious"},{"name":"Udveg","start":"10:27","end":"12:13","startHours":10.443006412862736,"endHours":12.221743852048192,"quality":"inauspicious"},{"name":"Chala","start":"12:13","end":"14:00","startHours":12.221743852048192,"endHours":14.000481291233648,"quality":"neutral"},{"name":"Labha","start":"14:00","end":"15:47","startHours":14.000481291233648,"endHours":15.779218730419105,"quality":"auspicious"},{"name":"Amṛta","start":"15:47","end":"17:33","startHours":15.779218730419105,"endHours":17.557956169604562,"quality":"auspicious"},{"name":"Kāla","start":"17:33","end":"19:20","startHours":17.557956169604562,"endHours":19.336693608790018,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"19:20","end":"20:33","startHours":19.336693608790018,"endHours":20.557956169604562,"quality":"auspicious"},{"name":"Amṛta","start":"20:33","end":"21:47","startHours":20.557956169604562,"endHours":21.779218730419103,"quality":"auspicious"},{"name":"Kāla","start":"21:47","end":"23:00","startHours":21.779218730419103,"endHours":23.000481291233648,"quality":"inauspicious"},{"name":"Śubha","start":"23:00","end":"00:13","startHours":23.000481291233648,"endHours":24.221743852048192,"quality":"auspicious"},{"name":"Roga","start":"00:13","end":"01:27","startHours":24.221743852048192,"endHours":25.443006412862736,"quality":"inauspicious"},{"name":"Udveg","start":"01:27","end":"02:40","startHours":25.443006412862736,"endHours":26.66426897367728,"quality":"inauspicious"},{"name":"Chala","start":"02:40","end":"03:53","startHours":26.66426897367728,"endHours":27.88553153449182,"quality":"neutral"},{"name":"Labha","start":"03:53","end":"05:06","startHours":27.88553153449182,"endHours":29.106794095306366,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:06","end":"06:06","startHours":5.106794095306366,"endHours":6.106794095306366,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:06","end":"07:06","startHours":6.106794095306366,"endHours":7.106794095306366,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:06","end":"08:06","startHours":7.106794095306366,"endHours":8.106794095306366,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:06","end":"09:06","startHours":8.106794095306366,"endHours":9.106794095306366,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:06","end":"10:06","startHours":9.106794095306366,"endHours":10.106794095306366,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:06","end":"11:06","startHours":10.106794095306366,"endHours":11.106794095306366,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:06","end":"12:06","startHours":11.106794095306366,"endHours":12.106794095306366,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:06","end":"13:06","startHours":12.106794095306366,"endHours":13.106794095306366,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:06","end":"14:06","startHours":13.106794095306366,"endHours":14.106794095306366,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:06","end":"15:06","startHours":14.106794095306366,"endHours":15.106794095306366,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:06","end":"16:06","startHours":15.106794095306366,"endHours":16.106794095306366,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:06","end":"17:06","startHours":16.106794095306366,"endHours":17.106794095306366,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:06","end":"18:06","startHours":17.106794095306366,"endHours":18.106794095306366,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:06","end":"19:06","startHours":18.106794095306366,"endHours":19.106794095306366,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:06","end":"20:06","startHours":19.106794095306366,"endHours":20.106794095306366,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:06","end":"21:06","startHours":20.106794095306366,"endHours":21.106794095306366,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:06","end":"22:06","startHours":21.106794095306366,"endHours":22.106794095306366,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:06","end":"23:06","startHours":22.106794095306366,"endHours":23.106794095306366,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:06","end":"00:06","startHours":23.106794095306366,"endHours":24.106794095306366,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:06","end":"01:06","startHours":24.106794095306366,"endHours":25.106794095306366,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:06","end":"02:06","startHours":25.106794095306366,"endHours":26.106794095306366,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:06","end":"03:06","startHours":26.106794095306366,"endHours":27.106794095306366,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:06","end":"04:06","startHours":27.106794095306366,"endHours":28.106794095306366,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:06","end":"05:06","startHours":28.106794095306366,"endHours":29.106794095306366,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"East","anandadiYoga":{"name":"Utpāta","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.339583575369183,"eotMinutes":3.253368877108411,"ayanamsa":24.4112}},"calendars":{"vikram_samvat":2096,"vikram_samvatsara":"Aṅgirasa","saka_samvat":1961,"saka_samvatsara":"Siddhārthī","bengali_samvat":1446,"malayalam_era":1215,"nanakshahi_year":570,"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 Dvitīyā · Vikram 2096 Aṅgirasa · Śaka 1961 Siddhārthī"},"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":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Dedicated festival walk for Dhanu Saṅkrānti is not live yet; Śanivāra (Saturday) — 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 December 17, 2039 CE · Perth, Australia · Vidhyamitra","description":"December 17, 2039 CE for Perth, Australia: Śukla Dvitīyā, sūryodaya 05:06, sūryāsta 19:20.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2039-12-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2039-12-17","sa":"https://sa.vidhyamitra.com/city/perth/2039-12-17","hi":"https://hi.vidhyamitra.com/city/perth/2039-12-17","x-default":"https://vidhyamitra.com/city/perth/2039-12-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-23T04:18:15.189Z","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":"2026-09-23T04:18:15.189Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-23T04:18:15.189Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no single city is the universal center.","purna_chain":["Hosted scripture","Named-tradition interpretation","Original Vidhyamitra contemplation","Bhūmi-born material medium","Vidhyamitra portal","Responsible reader in their own kṣetra"],"claim_boundary":"The legacy purna_chain field carries a source-to-reader sequence, not a revealed physical descent, universal cosmology, or proof that software is conscious.","antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}