{"id":"vidhyamitra:city-day:perth:1985-12-26:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1985-12-26","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1985-12-26","date_display":"December 26, 1985 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":1985,"month":12,"day":26,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446425.770833,"kali_year":5087,"ahargana":1857960.2708,"sun":{"sidereal_longitude":250.2985,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":55.6303,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":165.3318,"elapsed_within_tithi_degrees":9.3318},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":1,"moon_longitude":55.6303,"elapsed_within_degrees":2.297},"yoga":{"number":23,"name":"Śubha","sum_longitude":305.9288},"karana":{"half_tithi_index":27,"name":"Vaṇija"},"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":1985,"month":12,"day":26,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2446425.770833,"ahargana":1857960.2708,"kali_year":5087,"ayanamsa_lahiri":23.6572,"grahas":{"sun":{"sidereal_longitude":250.55220299999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"moon":{"sidereal_longitude":56.39410299999997,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false,"latitude":2.8489},"mars":{"sidereal_longitude":193.41130299999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":230.990503,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":294.19230300000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":244.86920299999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":220.48740299999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":16.3237,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":196.3237,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","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":1985,"month":12,"day":26,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446425.770833,"kali_year":5087,"ahargana":1857960.2708,"sun":{"sidereal_longitude":250.2985,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":55.6303,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":165.3318,"elapsed_within_tithi_degrees":9.3318},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":1,"moon_longitude":55.6303,"elapsed_within_degrees":2.297},"yoga":{"number":23,"name":"Śubha","sum_longitude":305.9288},"karana":{"half_tithi_index":27,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.849,"elongation":165.332},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.849,"opposition_distance":14.668}},"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":"05:11","sunsetLocal":"19:25","solarNoonLocal":"12:18","dayLengthHours":14.23301691581328,"dayLengthDisplay":"14 Hours 13 Mins 59 Secs","nightLengthDisplay":"9 Hours 46 Mins 01 Secs","moonriseLocal":"18:19","moonsetLocal":"04:22","rahuKala":{"name":"Rāhu Kāla","start":"14:04","end":"15:51","startHours":14.0710939866504,"endHours":15.850221101127058,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:11","end":"06:57","startHours":5.175458414267099,"endHours":6.954585528743759,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:44","end":"10:31","startHours":8.733712643220418,"endHours":10.51283975769708,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:30","end":"08:58","startHours":8.49649569462353,"endHours":8.970929591817306,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:46","end":"06:09","startHours":5.7685007857593185,"endHours":6.148047903514339,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:49","end":"12:46","startHours":11.817532974979962,"endHours":12.766400769367515,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:17","end":"04:14","startHours":3.2777228254919946,"endHours":4.226590619879547,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:59","end":"05:11","startHours":3.989373671282659,"endHours":5.175458414267099,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:40","end":"15:37","startHours":14.664136358142617,"endHours":15.613004152530168,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:13","end":"19:37","startHours":19.20847533008038,"endHours":19.608475330080378,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:25","end":"20:00","startHours":19.40847533008038,"endHours":20.0015177015726,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:10","end":"20:55","startHours":19.15847533008038,"endHours":20.90847533008038,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:49","end":"00:46","startHours":23.81753297497996,"endHours":24.766400769367515,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:11","end":"06:57","startHours":5.175458414267099,"endHours":6.954585528743759,"quality":"auspicious"},{"name":"Roga","start":"06:57","end":"08:44","startHours":6.954585528743759,"endHours":8.733712643220418,"quality":"inauspicious"},{"name":"Udveg","start":"08:44","end":"10:31","startHours":8.733712643220418,"endHours":10.51283975769708,"quality":"inauspicious"},{"name":"Chala","start":"10:31","end":"12:18","startHours":10.51283975769708,"endHours":12.291966872173738,"quality":"neutral"},{"name":"Labha","start":"12:18","end":"14:04","startHours":12.291966872173738,"endHours":14.0710939866504,"quality":"auspicious"},{"name":"Amṛta","start":"14:04","end":"15:51","startHours":14.0710939866504,"endHours":15.850221101127058,"quality":"auspicious"},{"name":"Kāla","start":"15:51","end":"17:38","startHours":15.850221101127058,"endHours":17.62934821560372,"quality":"inauspicious"},{"name":"Śubha","start":"17:38","end":"19:25","startHours":17.62934821560372,"endHours":19.40847533008038,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"19:25","end":"20:38","startHours":19.40847533008038,"endHours":20.62934821560372,"quality":"auspicious"},{"name":"Kāla","start":"20:38","end":"21:51","startHours":20.62934821560372,"endHours":21.850221101127058,"quality":"inauspicious"},{"name":"Śubha","start":"21:51","end":"23:04","startHours":21.850221101127058,"endHours":23.071093986650396,"quality":"auspicious"},{"name":"Roga","start":"23:04","end":"00:18","startHours":23.071093986650396,"endHours":24.291966872173738,"quality":"inauspicious"},{"name":"Udveg","start":"00:18","end":"01:31","startHours":24.291966872173738,"endHours":25.51283975769708,"quality":"inauspicious"},{"name":"Chala","start":"01:31","end":"02:44","startHours":25.51283975769708,"endHours":26.733712643220418,"quality":"neutral"},{"name":"Labha","start":"02:44","end":"03:57","startHours":26.733712643220418,"endHours":27.954585528743756,"quality":"auspicious"},{"name":"Amṛta","start":"03:57","end":"05:11","startHours":27.954585528743756,"endHours":29.175458414267098,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:11","end":"06:11","startHours":5.175458414267099,"endHours":6.175458414267099,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:11","end":"07:11","startHours":6.175458414267099,"endHours":7.175458414267099,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:11","end":"08:11","startHours":7.175458414267099,"endHours":8.175458414267098,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:11","end":"09:11","startHours":8.175458414267098,"endHours":9.175458414267098,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:11","end":"10:11","startHours":9.175458414267098,"endHours":10.175458414267098,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:11","end":"11:11","startHours":10.175458414267098,"endHours":11.175458414267098,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:11","end":"12:11","startHours":11.175458414267098,"endHours":12.175458414267098,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:11","end":"13:11","startHours":12.175458414267098,"endHours":13.175458414267098,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:11","end":"14:11","startHours":13.175458414267098,"endHours":14.175458414267098,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:11","end":"15:11","startHours":14.175458414267098,"endHours":15.175458414267098,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:11","end":"16:11","startHours":15.175458414267098,"endHours":16.175458414267098,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:11","end":"17:11","startHours":16.175458414267098,"endHours":17.175458414267098,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:11","end":"18:11","startHours":17.175458414267098,"endHours":18.175458414267098,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:11","end":"19:11","startHours":18.175458414267098,"endHours":19.175458414267098,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:11","end":"20:11","startHours":19.175458414267098,"endHours":20.175458414267098,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:11","end":"21:11","startHours":20.175458414267098,"endHours":21.175458414267098,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:11","end":"22:11","startHours":21.175458414267098,"endHours":22.175458414267098,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:11","end":"23:11","startHours":22.175458414267098,"endHours":23.175458414267098,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:11","end":"00:11","startHours":23.175458414267098,"endHours":24.175458414267098,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:11","end":"01:11","startHours":24.175458414267098,"endHours":25.175458414267098,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:11","end":"02:11","startHours":25.175458414267098,"endHours":26.175458414267098,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:11","end":"03:11","startHours":26.175458414267098,"endHours":27.175458414267098,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:11","end":"04:11","startHours":27.175458414267098,"endHours":28.175458414267098,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:11","end":"05:11","startHours":28.175458414267098,"endHours":29.175458414267098,"planetary_lord":"Moon"}],"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":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-East","rahuVasa":"North-West","anandadiYoga":{"name":"Amṛta","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":-23.36951657029802,"eotMinutes":-0.9600123304242594,"ayanamsa":23.6572}},"calendars":{"vikram_samvat":2042,"vikram_samvatsara":"Bahudhānya","saka_samvat":1907,"saka_samvatsara":"Krodhana","bengali_samvat":1392,"malayalam_era":1161,"nanakshahi_year":516,"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 Caturdaśī · Vikram 2042 Bahudhānya · Śaka 1907 Krodhana"},"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":[]},"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 26, 1985 CE · Perth, Australia · Vidhyamitra","description":"December 26, 1985 CE for Perth, Australia: Śukla Caturdaśī, sūryodaya 05:11, sūryāsta 19:25.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1985-12-26","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1985-12-26","sa":"https://sa.vidhyamitra.com/city/perth/1985-12-26","hi":"https://hi.vidhyamitra.com/city/perth/1985-12-26","x-default":"https://vidhyamitra.com/city/perth/1985-12-26"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T20:55:03.047Z","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":"2026-05-31T20:55:03.047Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T20:55:03.047Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}