{"id":"vidhyamitra:city-day:perth:1983-12-26:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1983-12-26","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1983-12-26","date_display":"December 26, 1983 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":1983,"month":12,"day":26,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445694.770833,"kali_year":5085,"ahargana":1857229.2708,"sun":{"sidereal_longitude":249.8026,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":147.6703,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":257.8677,"elapsed_within_tithi_degrees":5.8677},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1,"moon_longitude":147.6703,"elapsed_within_degrees":1.0036},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":37.4729},"karana":{"half_tithi_index":42,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":1983,"month":12,"day":26,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2445694.770833,"ahargana":1857229.2708,"kali_year":5085,"ayanamsa_lahiri":23.6293,"grahas":{"sun":{"sidereal_longitude":250.05553200000008,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"moon":{"sidereal_longitude":150.342732,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false,"latitude":4.4953},"mars":{"sidereal_longitude":178.00633200000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":261.7862319999999,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":241.84383200000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"venus":{"sidereal_longitude":209.33593199999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":199.42603200000008,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":55.0556,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":235.0556,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","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":1983,"month":12,"day":26,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445694.770833,"kali_year":5085,"ahargana":1857229.2708,"sun":{"sidereal_longitude":249.8026,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":147.6703,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":257.8677,"elapsed_within_tithi_degrees":5.8677},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1,"moon_longitude":147.6703,"elapsed_within_degrees":1.0036},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":37.4729},"karana":{"half_tithi_index":42,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.495,"elongation":102.132},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.495,"opposition_distance":77.868}},"eclipse_window_40days":[{"offset_days":-6,"type":"lunar","occurs":true,"moon_latitude":0.497,"opposition_distance":1.914}]},"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":"05:10","sunsetLocal":"19:25","solarNoonLocal":"12:18","dayLengthHours":14.234647126075608,"dayLengthDisplay":"14 Hours 14 Mins 05 Secs","nightLengthDisplay":"9 Hours 45 Mins 55 Secs","moonriseLocal":"23:42","moonsetLocal":"11:35","rahuKala":{"name":"Rāhu Kāla","start":"06:57","end":"08:44","startHours":6.953974199895386,"endHours":8.733305090654838,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:31","end":"12:18","startHours":10.512635981414288,"endHours":12.291966872173738,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:04","end":"15:51","startHours":14.071297762933188,"endHours":15.850628653692642,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:30","end":"08:58","startHours":8.49606097188691,"endHours":8.970549209422764,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:46","end":"06:09","startHours":5.767753606055752,"endHours":6.147344196084435,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:49","end":"12:46","startHours":11.817478634637885,"endHours":12.766455109709591,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:17","end":"04:14","startHours":3.276690358992521,"endHours":4.225666834064228,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:59","end":"05:10","startHours":3.988422715296301,"endHours":5.174643309135935,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:40","end":"15:37","startHours":14.664408059853006,"endHours":15.613384534924712,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:13","end":"19:37","startHours":19.209290435211543,"endHours":19.60929043521154,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:25","end":"20:00","startHours":19.409290435211542,"endHours":20.00240073213136,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:10","end":"20:55","startHours":19.159290435211542,"endHours":20.909290435211542,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:49","end":"00:46","startHours":23.817478634637883,"endHours":24.766455109709593,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:10","end":"06:57","startHours":5.174643309135935,"endHours":6.953974199895386,"quality":"auspicious"},{"name":"Kāla","start":"06:57","end":"08:44","startHours":6.953974199895386,"endHours":8.733305090654838,"quality":"inauspicious"},{"name":"Śubha","start":"08:44","end":"10:31","startHours":8.733305090654838,"endHours":10.512635981414288,"quality":"auspicious"},{"name":"Roga","start":"10:31","end":"12:18","startHours":10.512635981414288,"endHours":12.291966872173738,"quality":"inauspicious"},{"name":"Udveg","start":"12:18","end":"14:04","startHours":12.291966872173738,"endHours":14.071297762933188,"quality":"inauspicious"},{"name":"Chala","start":"14:04","end":"15:51","startHours":14.071297762933188,"endHours":15.850628653692642,"quality":"neutral"},{"name":"Labha","start":"15:51","end":"17:38","startHours":15.850628653692642,"endHours":17.629959544452092,"quality":"auspicious"},{"name":"Amṛta","start":"17:38","end":"19:25","startHours":17.629959544452092,"endHours":19.409290435211542,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"19:25","end":"20:38","startHours":19.409290435211542,"endHours":20.629959544452092,"quality":"neutral"},{"name":"Labha","start":"20:38","end":"21:51","startHours":20.629959544452092,"endHours":21.850628653692638,"quality":"auspicious"},{"name":"Amṛta","start":"21:51","end":"23:04","startHours":21.850628653692638,"endHours":23.071297762933188,"quality":"auspicious"},{"name":"Kāla","start":"23:04","end":"00:18","startHours":23.071297762933188,"endHours":24.291966872173738,"quality":"inauspicious"},{"name":"Śubha","start":"00:18","end":"01:31","startHours":24.291966872173738,"endHours":25.512635981414288,"quality":"auspicious"},{"name":"Roga","start":"01:31","end":"02:44","startHours":25.512635981414288,"endHours":26.733305090654838,"quality":"inauspicious"},{"name":"Udveg","start":"02:44","end":"03:57","startHours":26.733305090654838,"endHours":27.953974199895384,"quality":"inauspicious"},{"name":"Chala","start":"03:57","end":"05:10","startHours":27.953974199895384,"endHours":29.174643309135934,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:10","end":"06:10","startHours":5.174643309135935,"endHours":6.174643309135935,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:10","end":"07:10","startHours":6.174643309135935,"endHours":7.174643309135935,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:10","end":"08:10","startHours":7.174643309135935,"endHours":8.174643309135934,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:10","end":"09:10","startHours":8.174643309135934,"endHours":9.174643309135934,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:10","end":"10:10","startHours":9.174643309135934,"endHours":10.174643309135934,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:10","end":"11:10","startHours":10.174643309135934,"endHours":11.174643309135934,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:10","end":"12:10","startHours":11.174643309135934,"endHours":12.174643309135934,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:10","end":"13:10","startHours":12.174643309135934,"endHours":13.174643309135934,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:10","end":"14:10","startHours":13.174643309135934,"endHours":14.174643309135934,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:10","end":"15:10","startHours":14.174643309135934,"endHours":15.174643309135934,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:10","end":"16:10","startHours":15.174643309135934,"endHours":16.174643309135934,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:10","end":"17:10","startHours":16.174643309135934,"endHours":17.174643309135934,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:10","end":"18:10","startHours":17.174643309135934,"endHours":18.174643309135934,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:10","end":"19:10","startHours":18.174643309135934,"endHours":19.174643309135934,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:10","end":"20:10","startHours":19.174643309135934,"endHours":20.174643309135934,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:10","end":"21:10","startHours":20.174643309135934,"endHours":21.174643309135934,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:10","end":"22:10","startHours":21.174643309135934,"endHours":22.174643309135934,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:10","end":"23:10","startHours":22.174643309135934,"endHours":23.174643309135934,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:10","end":"00:10","startHours":23.174643309135934,"endHours":24.174643309135934,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:10","end":"01:10","startHours":24.174643309135934,"endHours":25.174643309135934,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:10","end":"02:10","startHours":25.174643309135934,"endHours":26.174643309135934,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:10","end":"03:10","startHours":26.174643309135934,"endHours":27.174643309135934,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:10","end":"04:10","startHours":27.174643309135934,"endHours":28.174643309135934,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:10","end":"05:10","startHours":28.174643309135934,"endHours":29.174643309135934,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"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":"East (Pūrva)","chandraVasa":"North-West","rahuVasa":"North-East","anandadiYoga":{"name":"Utpāta","quality":"Inauspicious"},"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":-23.385162694777208,"eotMinutes":-0.9600123304242594,"ayanamsa":23.6293}},"calendars":{"vikram_samvat":2040,"vikram_samvatsara":"Dhātṛ","saka_samvat":1905,"saka_samvatsara":"Rudhirodgāri","bengali_samvat":1390,"malayalam_era":1159,"nanakshahi_year":514,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","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":"Pauṣa Kṛṣṇa Saptamī · Vikram 2040 Dhātṛ · Śaka 1905 Rudhirodgāri"},"festivals":[],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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, 1983 CE · Perth, Australia · Vidhyamitra","description":"December 26, 1983 CE for Perth, Australia: Kṛṣṇa Saptamī, sūryodaya 05:10, sūryāsta 19:25.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1983-12-26","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1983-12-26","sa":"https://sa.vidhyamitra.com/city/perth/1983-12-26","hi":"https://hi.vidhyamitra.com/city/perth/1983-12-26","x-default":"https://vidhyamitra.com/city/perth/1983-12-26"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T11:13:49.122Z","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":"2026-06-02T11:13:49.122Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T11:13:49.122Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}