{"id":"vidhyamitra:city-day:perth:2160-01-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2160-01-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2160-01-16","date_display":"January 16, 2160 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":2160,"month":1,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2509998.770833,"kali_year":5261,"ahargana":1921533.2708,"sun":{"sidereal_longitude":268.7763,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":355.1833,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":86.407,"elapsed_within_tithi_degrees":2.407},"nakshatra":{"number":27,"name":"Revatī","pada":3,"moon_longitude":355.1833,"elapsed_within_degrees":8.5166},"yoga":{"number":20,"name":"Śiva","sum_longitude":263.9596},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2160,"month":1,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2509998.770833,"ahargana":1921533.2708,"kali_year":5261,"ayanamsa_lahiri":26.0886,"grahas":{"sun":{"sidereal_longitude":269.279847,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":351.699747,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false,"latitude":4.2969},"mars":{"sidereal_longitude":331.726047,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":284.8348470000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":193.865547,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":241.996447,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":191.99624700000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":247.9202,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":67.9202,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","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":2160,"month":1,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2509998.770833,"kali_year":5261,"ahargana":1921533.2708,"sun":{"sidereal_longitude":268.7763,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":355.1833,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":86.407,"elapsed_within_tithi_degrees":2.407},"nakshatra":{"number":27,"name":"Revatī","pada":3,"moon_longitude":355.1833,"elapsed_within_degrees":8.5166},"yoga":{"number":20,"name":"Śiva","sum_longitude":263.9596},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.297,"elongation":86.407},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.297,"opposition_distance":93.593}},"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":"05:26","sunsetLocal":"19:26","solarNoonLocal":"12:26","dayLengthHours":13.997795613466787,"dayLengthDisplay":"13 Hours 59 Mins 52 Secs","nightLengthDisplay":"10 Hours 00 Mins 08 Secs","moonriseLocal":"12:11","moonsetLocal":"23:41","rahuKala":{"name":"Rāhu Kāla","start":"12:26","end":"14:11","startHours":12.437515025696296,"endHours":14.187239477379643,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:11","end":"08:56","startHours":7.18834167064625,"endHours":8.938066122329598,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:41","end":"12:26","startHours":10.687790574012947,"endHours":12.437515025696296,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:42","end":"09:10","startHours":8.70476952877182,"endHours":9.171362715887378,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:01","end":"06:24","startHours":6.021858702857351,"endHours":6.395133252549798,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:58","end":"12:54","startHours":11.970921838580734,"endHours":12.904108212811854,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:34","end":"04:30","startHours":3.5722444705006637,"endHours":4.505430844731783,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:16","end":"05:26","startHours":4.272134251174003,"endHours":5.438617218962902,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:46","end":"15:42","startHours":14.770480961274094,"endHours":15.703667335505214,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:14","end":"19:38","startHours":19.23641283242969,"endHours":19.636412832429688,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:26","end":"20:01","startHours":19.43641283242969,"endHours":20.01965431632414,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:11","end":"20:56","startHours":19.18641283242969,"endHours":20.93641283242969,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:58","end":"00:54","startHours":23.970921838580733,"endHours":24.904108212811852,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:26","end":"07:11","startHours":5.438617218962902,"endHours":7.18834167064625,"quality":"auspicious"},{"name":"Amṛta","start":"07:11","end":"08:56","startHours":7.18834167064625,"endHours":8.938066122329598,"quality":"auspicious"},{"name":"Kāla","start":"08:56","end":"10:41","startHours":8.938066122329598,"endHours":10.687790574012947,"quality":"inauspicious"},{"name":"Śubha","start":"10:41","end":"12:26","startHours":10.687790574012947,"endHours":12.437515025696296,"quality":"auspicious"},{"name":"Roga","start":"12:26","end":"14:11","startHours":12.437515025696296,"endHours":14.187239477379643,"quality":"inauspicious"},{"name":"Udveg","start":"14:11","end":"15:56","startHours":14.187239477379643,"endHours":15.936963929062992,"quality":"inauspicious"},{"name":"Chala","start":"15:56","end":"17:41","startHours":15.936963929062992,"endHours":17.68668838074634,"quality":"neutral"},{"name":"Labha","start":"17:41","end":"19:26","startHours":17.68668838074634,"endHours":19.43641283242969,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"19:26","end":"20:41","startHours":19.43641283242969,"endHours":20.68668838074634,"quality":"inauspicious"},{"name":"Chala","start":"20:41","end":"21:56","startHours":20.68668838074634,"endHours":21.93696392906299,"quality":"neutral"},{"name":"Labha","start":"21:56","end":"23:11","startHours":21.93696392906299,"endHours":23.18723947737964,"quality":"auspicious"},{"name":"Amṛta","start":"23:11","end":"00:26","startHours":23.18723947737964,"endHours":24.437515025696296,"quality":"auspicious"},{"name":"Kāla","start":"00:26","end":"01:41","startHours":24.437515025696296,"endHours":25.687790574012947,"quality":"inauspicious"},{"name":"Śubha","start":"01:41","end":"02:56","startHours":25.687790574012947,"endHours":26.938066122329598,"quality":"auspicious"},{"name":"Roga","start":"02:56","end":"04:11","startHours":26.938066122329598,"endHours":28.188341670646253,"quality":"inauspicious"},{"name":"Udveg","start":"04:11","end":"05:26","startHours":28.188341670646253,"endHours":29.438617218962904,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:26","end":"06:26","startHours":5.438617218962902,"endHours":6.438617218962902,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:26","end":"07:26","startHours":6.438617218962902,"endHours":7.438617218962902,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:26","end":"08:26","startHours":7.438617218962902,"endHours":8.438617218962902,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:26","end":"09:26","startHours":8.438617218962902,"endHours":9.438617218962902,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:26","end":"10:26","startHours":9.438617218962902,"endHours":10.438617218962902,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:26","end":"11:26","startHours":10.438617218962902,"endHours":11.438617218962902,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:26","end":"12:26","startHours":11.438617218962902,"endHours":12.438617218962902,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:26","end":"13:26","startHours":12.438617218962902,"endHours":13.438617218962902,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:26","end":"14:26","startHours":13.438617218962902,"endHours":14.438617218962902,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:26","end":"15:26","startHours":14.438617218962902,"endHours":15.438617218962902,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:26","end":"16:26","startHours":15.438617218962902,"endHours":16.438617218962904,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:26","end":"17:26","startHours":16.438617218962904,"endHours":17.438617218962904,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:26","end":"18:26","startHours":17.438617218962904,"endHours":18.438617218962904,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:26","end":"19:26","startHours":18.438617218962904,"endHours":19.438617218962904,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:26","end":"20:26","startHours":19.438617218962904,"endHours":20.438617218962904,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:26","end":"21:26","startHours":20.438617218962904,"endHours":21.438617218962904,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:26","end":"22:26","startHours":21.438617218962904,"endHours":22.438617218962904,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:26","end":"23:26","startHours":22.438617218962904,"endHours":23.438617218962904,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:26","end":"00:26","startHours":23.438617218962904,"endHours":24.438617218962904,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:26","end":"01:26","startHours":24.438617218962904,"endHours":25.438617218962904,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:26","end":"02:26","startHours":25.438617218962904,"endHours":26.438617218962904,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:26","end":"03:26","startHours":26.438617218962904,"endHours":27.438617218962904,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:26","end":"04:26","startHours":27.438617218962904,"endHours":28.438617218962904,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:26","end":"05:26","startHours":28.438617218962904,"endHours":29.438617218962904,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"South-West","anandadiYoga":{"name":"Chatra","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-21.06210406120315,"eotMinutes":-9.692901541777706,"ayanamsa":26.0886}},"calendars":{"vikram_samvat":2217,"vikram_samvatsara":"Śrīmukha","saka_samvat":2082,"saka_samvatsara":"Raudra","bengali_samvat":1567,"malayalam_era":1336,"nanakshahi_year":691,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Pauṣa","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":"Pauṣa Śukla Aṣṭamī · Vikram 2217 Śrīmukha · Śaka 2082 Raudra"},"festivals":[{"id":"lohri","name":"Lohri","name_sanskrit":"लोहड़ी","tradition":"Regional","significance":"Punjab harvest festival; eve of Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi_eve_of_ingress":"Makara"},"precedence":4}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","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 16, 2160 CE · Perth, Australia · Vidhyamitra","description":"January 16, 2160 CE for Perth, Australia: Śukla Aṣṭamī, sūryodaya 05:26, sūryāsta 19:26.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2160-01-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2160-01-16","sa":"https://sa.vidhyamitra.com/city/perth/2160-01-16","hi":"https://hi.vidhyamitra.com/city/perth/2160-01-16","x-default":"https://vidhyamitra.com/city/perth/2160-01-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T02:38:03.746Z","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":"2026-05-31T02:38:03.746Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T02:38:03.746Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}