{"id":"vidhyamitra:city-day:perth:2156-01-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2156-01-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2156-01-15","date_display":"January 15, 2156 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":2156,"month":1,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508536.770833,"kali_year":5257,"ahargana":1920071.2708,"sun":{"sidereal_longitude":267.785,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":172.025,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":264.24,"elapsed_within_tithi_degrees":0.24},"nakshatra":{"number":13,"name":"Hasta","pada":4,"moon_longitude":172.025,"elapsed_within_degrees":12.025},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":79.81},"karana":{"half_tithi_index":44,"name":"Bālava"},"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":2156,"month":1,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2508536.770833,"ahargana":1920071.2708,"kali_year":5257,"ayanamsa_lahiri":26.0327,"grahas":{"sun":{"sidereal_longitude":268.287106,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":168.51090599999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false,"latitude":-2.0161},"mars":{"sidereal_longitude":295.36380600000007,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":245.04460599999993,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":64.88800600000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":310.57490600000006,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":142.97650599999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":325.384,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":145.384,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","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":2156,"month":1,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508536.770833,"kali_year":5257,"ahargana":1920071.2708,"sun":{"sidereal_longitude":267.785,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":172.025,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":264.24,"elapsed_within_tithi_degrees":0.24},"nakshatra":{"number":13,"name":"Hasta","pada":4,"moon_longitude":172.025,"elapsed_within_degrees":12.025},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":79.81},"karana":{"half_tithi_index":44,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.016,"elongation":95.76},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.016,"opposition_distance":84.24}},"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":"05:25","sunsetLocal":"19:26","solarNoonLocal":"12:26","dayLengthHours":14.016583338232639,"dayLengthDisplay":"14 Hours 01 Mins 00 Secs","nightLengthDisplay":"9 Hours 59 Mins 00 Secs","moonriseLocal":"23:30","moonsetLocal":"12:04","rahuKala":{"name":"Rāhu Kāla","start":"14:11","end":"15:56","startHours":14.183872074714634,"endHours":15.935944991993715,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:25","end":"07:11","startHours":5.423507488319235,"endHours":7.175580405598314,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:56","end":"10:41","startHours":8.927653322877394,"endHours":10.679726240156475,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:42","end":"09:10","startHours":8.694043600573517,"endHours":9.161263045181272,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:00","end":"06:23","startHours":6.007531794078928,"endHours":6.381307349765132,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:58","end":"12:54","startHours":11.964579712827799,"endHours":12.89901860204331,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:33","end":"04:29","startHours":3.554629709888216,"endHours":4.489068599103725,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:15","end":"05:25","startHours":4.255458876799848,"endHours":5.423507488319235,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:46","end":"15:42","startHours":14.767896380474326,"endHours":15.702335269689835,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:14","end":"19:38","startHours":19.240090826551874,"endHours":19.640090826551873,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:26","end":"20:01","startHours":19.440090826551874,"endHours":20.024115132311568,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:11","end":"20:56","startHours":19.190090826551874,"endHours":20.940090826551874,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:58","end":"00:54","startHours":23.964579712827803,"endHours":24.89901860204331,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:25","end":"07:11","startHours":5.423507488319235,"endHours":7.175580405598314,"quality":"auspicious"},{"name":"Roga","start":"07:11","end":"08:56","startHours":7.175580405598314,"endHours":8.927653322877394,"quality":"inauspicious"},{"name":"Udveg","start":"08:56","end":"10:41","startHours":8.927653322877394,"endHours":10.679726240156475,"quality":"inauspicious"},{"name":"Chala","start":"10:41","end":"12:26","startHours":10.679726240156475,"endHours":12.431799157435554,"quality":"neutral"},{"name":"Labha","start":"12:26","end":"14:11","startHours":12.431799157435554,"endHours":14.183872074714634,"quality":"auspicious"},{"name":"Amṛta","start":"14:11","end":"15:56","startHours":14.183872074714634,"endHours":15.935944991993715,"quality":"auspicious"},{"name":"Kāla","start":"15:56","end":"17:41","startHours":15.935944991993715,"endHours":17.688017909272794,"quality":"inauspicious"},{"name":"Śubha","start":"17:41","end":"19:26","startHours":17.688017909272794,"endHours":19.440090826551874,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"19:26","end":"20:41","startHours":19.440090826551874,"endHours":20.688017909272794,"quality":"auspicious"},{"name":"Kāla","start":"20:41","end":"21:56","startHours":20.688017909272794,"endHours":21.935944991993715,"quality":"inauspicious"},{"name":"Śubha","start":"21:56","end":"23:11","startHours":21.935944991993715,"endHours":23.183872074714635,"quality":"auspicious"},{"name":"Roga","start":"23:11","end":"00:26","startHours":23.183872074714635,"endHours":24.431799157435556,"quality":"inauspicious"},{"name":"Udveg","start":"00:26","end":"01:41","startHours":24.431799157435556,"endHours":25.679726240156477,"quality":"inauspicious"},{"name":"Chala","start":"01:41","end":"02:56","startHours":25.679726240156477,"endHours":26.927653322877394,"quality":"neutral"},{"name":"Labha","start":"02:56","end":"04:11","startHours":26.927653322877394,"endHours":28.175580405598314,"quality":"auspicious"},{"name":"Amṛta","start":"04:11","end":"05:25","startHours":28.175580405598314,"endHours":29.423507488319235,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:25","end":"06:25","startHours":5.423507488319235,"endHours":6.423507488319235,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:25","end":"07:25","startHours":6.423507488319235,"endHours":7.423507488319235,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:25","end":"08:25","startHours":7.423507488319235,"endHours":8.423507488319235,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:25","end":"09:25","startHours":8.423507488319235,"endHours":9.423507488319235,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:25","end":"10:25","startHours":9.423507488319235,"endHours":10.423507488319235,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:25","end":"11:25","startHours":10.423507488319235,"endHours":11.423507488319235,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:25","end":"12:25","startHours":11.423507488319235,"endHours":12.423507488319235,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:25","end":"13:25","startHours":12.423507488319235,"endHours":13.423507488319235,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:25","end":"14:25","startHours":13.423507488319235,"endHours":14.423507488319235,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:25","end":"15:25","startHours":14.423507488319235,"endHours":15.423507488319235,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:25","end":"16:25","startHours":15.423507488319235,"endHours":16.423507488319235,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:25","end":"17:25","startHours":16.423507488319235,"endHours":17.423507488319235,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:25","end":"18:25","startHours":17.423507488319235,"endHours":18.423507488319235,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:25","end":"19:25","startHours":18.423507488319235,"endHours":19.423507488319235,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:25","end":"20:25","startHours":19.423507488319235,"endHours":20.423507488319235,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:25","end":"21:25","startHours":20.423507488319235,"endHours":21.423507488319235,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:25","end":"22:25","startHours":21.423507488319235,"endHours":22.423507488319235,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:25","end":"23:25","startHours":22.423507488319235,"endHours":23.423507488319235,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:25","end":"00:25","startHours":23.423507488319235,"endHours":24.423507488319235,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:25","end":"01:25","startHours":24.423507488319235,"endHours":25.423507488319235,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:25","end":"02:25","startHours":25.423507488319235,"endHours":26.423507488319235,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:25","end":"03:25","startHours":26.423507488319235,"endHours":27.423507488319235,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:25","end":"04:25","startHours":27.423507488319235,"endHours":28.423507488319235,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:25","end":"05:25","startHours":28.423507488319235,"endHours":29.423507488319235,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"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":"South (Dakṣiṇa)","chandraVasa":"North-West","rahuVasa":"North-West","anandadiYoga":{"name":"Ānanda","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":-21.25000184762026,"eotMinutes":-9.349949446133257,"ayanamsa":26.0327}},"calendars":{"vikram_samvat":2213,"vikram_samvatsara":"Śukla","saka_samvat":2078,"saka_samvatsara":"Nala","bengali_samvat":1563,"malayalam_era":1332,"nanakshahi_year":687,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","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":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Aṣṭamī · Vikram 2213 Śukla · Śaka 2078 Nala"},"festivals":[],"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":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Kṛṣṇa Aṣṭamī","url":"/day/-3226-07-09","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 15, 2156 CE · Perth, Australia · Vidhyamitra","description":"January 15, 2156 CE for Perth, Australia: Kṛṣṇa Aṣṭamī, sūryodaya 05:25, sūryāsta 19:26.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2156-01-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2156-01-15","sa":"https://sa.vidhyamitra.com/city/perth/2156-01-15","hi":"https://hi.vidhyamitra.com/city/perth/2156-01-15","x-default":"https://vidhyamitra.com/city/perth/2156-01-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T03:42:37.307Z","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":"2026-05-31T03:42:37.307Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T03:42:37.307Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}