{"id":"vidhyamitra:city-day:perth:1925-12-23:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1925-12-23","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1925-12-23","date_display":"December 23, 1925 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":1925,"month":12,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2424507.770833,"kali_year":5027,"ahargana":1836042.2708,"sun":{"sidereal_longitude":247.7553,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":342.5964,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":94.841,"elapsed_within_tithi_degrees":10.841},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3,"moon_longitude":342.5964,"elapsed_within_degrees":9.263},"yoga":{"number":18,"name":"Varīyān","sum_longitude":230.3517},"karana":{"half_tithi_index":15,"name":"Bava"},"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":1925,"month":12,"day":23,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2424507.770833,"ahargana":1836042.2708,"kali_year":5027,"ayanamsa_lahiri":22.8189,"grahas":{"sun":{"sidereal_longitude":247.89033099999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"moon":{"sidereal_longitude":345.164131,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false,"latitude":-4.076},"mars":{"sidereal_longitude":214.811331,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":229.15033100000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":275.615731,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":293.25403100000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":209.312631,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":97.6448,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":277.6448,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":1925,"month":12,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2424507.770833,"kali_year":5027,"ahargana":1836042.2708,"sun":{"sidereal_longitude":247.7553,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":342.5964,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":94.841,"elapsed_within_tithi_degrees":10.841},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3,"moon_longitude":342.5964,"elapsed_within_degrees":9.263},"yoga":{"number":18,"name":"Varīyān","sum_longitude":230.3517},"karana":{"half_tithi_index":15,"name":"Bava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.076,"elongation":94.841},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.076,"opposition_distance":85.159}},"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":"05:09","sunsetLocal":"19:23","solarNoonLocal":"12:16","dayLengthHours":14.239801127477051,"dayLengthDisplay":"14 Hours 14 Mins 23 Secs","nightLengthDisplay":"9 Hours 45 Mins 37 Secs","moonriseLocal":"12:50","moonsetLocal":"00:40","rahuKala":{"name":"Rāhu Kāla","start":"12:16","end":"14:03","startHours":12.268575138471547,"endHours":14.048550279406179,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:56","end":"08:43","startHours":6.928649715667653,"endHours":8.708624856602285,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:29","end":"12:16","startHours":10.488599997536916,"endHours":12.268575138471547,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:28","end":"08:57","startHours":8.471294837811001,"endHours":8.945954875393568,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:45","end":"06:07","startHours":5.741999621711233,"endHours":6.121727651777287,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:48","end":"12:45","startHours":11.793915100888979,"endHours":12.743235176054116,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:15","end":"04:12","startHours":3.2500344244027484,"endHours":4.199354499567885,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:58","end":"05:09","startHours":3.962024480776601,"endHours":5.148674574733022,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:39","end":"15:35","startHours":14.641875326384389,"endHours":15.591195401549525,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:11","end":"19:35","startHours":19.188475702210074,"endHours":19.588475702210072,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:23","end":"19:59","startHours":19.388475702210073,"endHours":19.981800749188285,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:08","end":"20:53","startHours":19.138475702210073,"endHours":20.888475702210073,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:48","end":"00:45","startHours":23.793915100888977,"endHours":24.743235176054117,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:09","end":"06:56","startHours":5.148674574733022,"endHours":6.928649715667653,"quality":"auspicious"},{"name":"Amṛta","start":"06:56","end":"08:43","startHours":6.928649715667653,"endHours":8.708624856602285,"quality":"auspicious"},{"name":"Kāla","start":"08:43","end":"10:29","startHours":8.708624856602285,"endHours":10.488599997536916,"quality":"inauspicious"},{"name":"Śubha","start":"10:29","end":"12:16","startHours":10.488599997536916,"endHours":12.268575138471547,"quality":"auspicious"},{"name":"Roga","start":"12:16","end":"14:03","startHours":12.268575138471547,"endHours":14.048550279406179,"quality":"inauspicious"},{"name":"Udveg","start":"14:03","end":"15:50","startHours":14.048550279406179,"endHours":15.82852542034081,"quality":"inauspicious"},{"name":"Chala","start":"15:50","end":"17:37","startHours":15.82852542034081,"endHours":17.60850056127544,"quality":"neutral"},{"name":"Labha","start":"17:37","end":"19:23","startHours":17.60850056127544,"endHours":19.388475702210073,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"19:23","end":"20:37","startHours":19.388475702210073,"endHours":20.60850056127544,"quality":"inauspicious"},{"name":"Chala","start":"20:37","end":"21:50","startHours":20.60850056127544,"endHours":21.82852542034081,"quality":"neutral"},{"name":"Labha","start":"21:50","end":"23:03","startHours":21.82852542034081,"endHours":23.04855027940618,"quality":"auspicious"},{"name":"Amṛta","start":"23:03","end":"00:16","startHours":23.04855027940618,"endHours":24.268575138471547,"quality":"auspicious"},{"name":"Kāla","start":"00:16","end":"01:29","startHours":24.268575138471547,"endHours":25.488599997536916,"quality":"inauspicious"},{"name":"Śubha","start":"01:29","end":"02:43","startHours":25.488599997536916,"endHours":26.708624856602285,"quality":"auspicious"},{"name":"Roga","start":"02:43","end":"03:56","startHours":26.708624856602285,"endHours":27.928649715667653,"quality":"inauspicious"},{"name":"Udveg","start":"03:56","end":"05:09","startHours":27.928649715667653,"endHours":29.148674574733022,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:09","end":"06:09","startHours":5.148674574733022,"endHours":6.148674574733022,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:09","end":"07:09","startHours":6.148674574733022,"endHours":7.148674574733022,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:09","end":"08:09","startHours":7.148674574733022,"endHours":8.148674574733022,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:09","end":"09:09","startHours":8.148674574733022,"endHours":9.148674574733022,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:09","end":"10:09","startHours":9.148674574733022,"endHours":10.148674574733022,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:09","end":"11:09","startHours":10.148674574733022,"endHours":11.148674574733022,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:09","end":"12:09","startHours":11.148674574733022,"endHours":12.148674574733022,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:09","end":"13:09","startHours":12.148674574733022,"endHours":13.148674574733022,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:09","end":"14:09","startHours":13.148674574733022,"endHours":14.148674574733022,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:09","end":"15:09","startHours":14.148674574733022,"endHours":15.148674574733022,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:09","end":"16:09","startHours":15.148674574733022,"endHours":16.148674574733022,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:09","end":"17:09","startHours":16.148674574733022,"endHours":17.148674574733022,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:09","end":"18:09","startHours":17.148674574733022,"endHours":18.148674574733022,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:09","end":"19:09","startHours":18.148674574733022,"endHours":19.148674574733022,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:09","end":"20:09","startHours":19.148674574733022,"endHours":20.148674574733022,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:09","end":"21:09","startHours":20.148674574733022,"endHours":21.148674574733022,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:09","end":"22:09","startHours":21.148674574733022,"endHours":22.148674574733022,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:09","end":"23:09","startHours":22.148674574733022,"endHours":23.148674574733022,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:09","end":"00:09","startHours":23.148674574733022,"endHours":24.148674574733022,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:09","end":"01:09","startHours":24.148674574733022,"endHours":25.148674574733022,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:09","end":"02:09","startHours":25.148674574733022,"endHours":26.148674574733022,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:09","end":"03:09","startHours":26.148674574733022,"endHours":27.148674574733022,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:09","end":"04:09","startHours":27.148674574733022,"endHours":28.148674574733022,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:09","end":"05:09","startHours":28.148674574733022,"endHours":29.148674574733022,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"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":"Mudgara","quality":"Inauspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-23.43459717694659,"eotMinutes":0.4434916917071845,"ayanamsa":22.8189}},"calendars":{"vikram_samvat":1982,"vikram_samvatsara":"Bahudhānya","saka_samvat":1847,"saka_samvatsara":"Krodhana","bengali_samvat":1332,"malayalam_era":1101,"nanakshahi_year":456,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Aṣṭamī · Vikram 1982 Bahudhānya · Śaka 1847 Krodhana"},"festivals":[{"id":"lohri","name":"Lohri","name_sanskrit":"लोहड़ी","tradition":"Regional","significance":"Punjab harvest festival; eve of Makara Saṅkrānti. (Approximated as 13/14 January annually; correct via Sun in Dhanu/Makara cusp.)","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":4},{"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":"Dhanu"},"precedence":5}],"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 December 23, 1925 CE · Perth, Australia · Vidhyamitra","description":"December 23, 1925 CE for Perth, Australia: Śukla Aṣṭamī, sūryodaya 05:09, sūryāsta 19:23.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1925-12-23","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1925-12-23","sa":"https://sa.vidhyamitra.com/city/perth/1925-12-23","hi":"https://hi.vidhyamitra.com/city/perth/1925-12-23","x-default":"https://vidhyamitra.com/city/perth/1925-12-23"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-23T08:51:51.310Z","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":"2026-05-23T08:51:51.310Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-23T08:51:51.310Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}