{"id":"vidhyamitra:city-day:perth:2114-12-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2114-12-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2114-12-18","date_display":"December 18, 2114 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":2114,"month":12,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2493533.770833,"kali_year":5216,"ahargana":1905068.2708,"sun":{"sidereal_longitude":239.6377,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":134.5891,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":254.9514,"elapsed_within_tithi_degrees":2.9514},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1,"moon_longitude":134.5891,"elapsed_within_degrees":1.2558},"yoga":{"number":2,"name":"Prīti","sum_longitude":14.2268},"karana":{"half_tithi_index":42,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2114,"month":12,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2493533.770833,"ahargana":1905068.2708,"kali_year":5216,"ayanamsa_lahiri":25.4589,"grahas":{"sun":{"sidereal_longitude":240.287731,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"moon":{"sidereal_longitude":138.485631,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false,"latitude":4.4875},"mars":{"sidereal_longitude":342.73013100000003,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":257.646931,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":250.17513099999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"venus":{"sidereal_longitude":192.11463100000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":338.589531,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":40.3152,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":220.3152,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","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":2114,"month":12,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2493533.770833,"kali_year":5216,"ahargana":1905068.2708,"sun":{"sidereal_longitude":239.6377,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":134.5891,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":254.9514,"elapsed_within_tithi_degrees":2.9514},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1,"moon_longitude":134.5891,"elapsed_within_degrees":1.2558},"yoga":{"number":2,"name":"Prīti","sum_longitude":14.2268},"karana":{"half_tithi_index":42,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.487,"elongation":105.049},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.487,"opposition_distance":74.951}},"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":"05:07","sunsetLocal":"19:21","solarNoonLocal":"12:14","dayLengthHours":14.232870493079353,"dayLengthDisplay":"14 Hours 13 Mins 58 Secs","nightLengthDisplay":"9 Hours 46 Mins 02 Secs","moonriseLocal":"23:40","moonsetLocal":"11:14","rahuKala":{"name":"Rāhu Kāla","start":"15:47","end":"17:34","startHours":15.787722167467486,"endHours":17.566830979102402,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:40","end":"10:27","startHours":8.671286920927809,"endHours":10.450395732562727,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:14","end":"14:01","startHours":12.229504544197646,"endHours":14.008613355832566,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:26","end":"08:55","startHours":8.434072412709819,"endHours":8.908501429145797,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:42","end":"06:05","startHours":5.7061055682029425,"endHours":6.0856487813517255,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:45","end":"12:42","startHours":11.755075527761667,"endHours":12.703933560633624,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:13","end":"04:10","startHours":3.215353231914056,"endHours":4.164211264786013,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:56","end":"05:07","startHours":3.9269967565680233,"endHours":5.11306929765797,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:36","end":"15:33","startHours":14.60164962637754,"endHours":15.550507659249497,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:09","end":"19:33","startHours":19.145939790737323,"endHours":19.54593979073732,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:21","end":"19:56","startHours":19.345939790737322,"endHours":19.938976061282297,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:06","end":"20:51","startHours":19.095939790737322,"endHours":20.845939790737322,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:45","end":"00:42","startHours":23.75507552776167,"endHours":24.703933560633622,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:07","end":"06:54","startHours":5.11306929765797,"endHours":6.892178109292889,"quality":"inauspicious"},{"name":"Udveg","start":"06:54","end":"08:40","startHours":6.892178109292889,"endHours":8.671286920927809,"quality":"inauspicious"},{"name":"Chala","start":"08:40","end":"10:27","startHours":8.671286920927809,"endHours":10.450395732562727,"quality":"neutral"},{"name":"Labha","start":"10:27","end":"12:14","startHours":10.450395732562727,"endHours":12.229504544197646,"quality":"auspicious"},{"name":"Amṛta","start":"12:14","end":"14:01","startHours":12.229504544197646,"endHours":14.008613355832566,"quality":"auspicious"},{"name":"Kāla","start":"14:01","end":"15:47","startHours":14.008613355832566,"endHours":15.787722167467486,"quality":"inauspicious"},{"name":"Śubha","start":"15:47","end":"17:34","startHours":15.787722167467486,"endHours":17.566830979102402,"quality":"auspicious"},{"name":"Roga","start":"17:34","end":"19:21","startHours":17.566830979102402,"endHours":19.345939790737322,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"19:21","end":"20:34","startHours":19.345939790737322,"endHours":20.566830979102402,"quality":"inauspicious"},{"name":"Śubha","start":"20:34","end":"21:47","startHours":20.566830979102402,"endHours":21.787722167467486,"quality":"auspicious"},{"name":"Roga","start":"21:47","end":"23:01","startHours":21.787722167467486,"endHours":23.008613355832566,"quality":"inauspicious"},{"name":"Udveg","start":"23:01","end":"00:14","startHours":23.008613355832566,"endHours":24.229504544197646,"quality":"inauspicious"},{"name":"Chala","start":"00:14","end":"01:27","startHours":24.229504544197646,"endHours":25.450395732562725,"quality":"neutral"},{"name":"Labha","start":"01:27","end":"02:40","startHours":25.450395732562725,"endHours":26.671286920927805,"quality":"auspicious"},{"name":"Amṛta","start":"02:40","end":"03:54","startHours":26.671286920927805,"endHours":27.89217810929289,"quality":"auspicious"},{"name":"Kāla","start":"03:54","end":"05:07","startHours":27.89217810929289,"endHours":29.11306929765797,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:07","end":"06:07","startHours":5.11306929765797,"endHours":6.11306929765797,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:07","end":"07:07","startHours":6.11306929765797,"endHours":7.11306929765797,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:07","end":"08:07","startHours":7.11306929765797,"endHours":8.113069297657969,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:07","end":"09:07","startHours":8.113069297657969,"endHours":9.113069297657969,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:07","end":"10:07","startHours":9.113069297657969,"endHours":10.113069297657969,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:07","end":"11:07","startHours":10.113069297657969,"endHours":11.113069297657969,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:07","end":"12:07","startHours":11.113069297657969,"endHours":12.113069297657969,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:07","end":"13:07","startHours":12.113069297657969,"endHours":13.113069297657969,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:07","end":"14:07","startHours":13.113069297657969,"endHours":14.113069297657969,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:07","end":"15:07","startHours":14.113069297657969,"endHours":15.113069297657969,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:07","end":"16:07","startHours":15.113069297657969,"endHours":16.11306929765797,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:07","end":"17:07","startHours":16.11306929765797,"endHours":17.11306929765797,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:07","end":"18:07","startHours":17.11306929765797,"endHours":18.11306929765797,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:07","end":"19:07","startHours":18.11306929765797,"endHours":19.11306929765797,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:07","end":"20:07","startHours":19.11306929765797,"endHours":20.11306929765797,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:07","end":"21:07","startHours":20.11306929765797,"endHours":21.11306929765797,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:07","end":"22:07","startHours":21.11306929765797,"endHours":22.11306929765797,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:07","end":"23:07","startHours":22.11306929765797,"endHours":23.11306929765797,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:07","end":"00:07","startHours":23.11306929765797,"endHours":24.11306929765797,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:07","end":"01:07","startHours":24.11306929765797,"endHours":25.11306929765797,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:07","end":"02:07","startHours":25.11306929765797,"endHours":26.11306929765797,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:07","end":"03:07","startHours":26.11306929765797,"endHours":27.11306929765797,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:07","end":"04:07","startHours":27.11306929765797,"endHours":28.11306929765797,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:07","end":"05:07","startHours":28.11306929765797,"endHours":29.11306929765797,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"West","rahuVasa":"North","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.36811102662237,"eotMinutes":2.787727348141232,"ayanamsa":25.4589}},"calendars":{"vikram_samvat":2171,"vikram_samvatsara":"Sarvajit","saka_samvat":2036,"saka_samvatsara":"Bhāva","bengali_samvat":1521,"malayalam_era":1290,"nanakshahi_year":645,"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 2171 Sarvajit · Śaka 2036 Bhāva"},"festivals":[{"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_ingress":"Dhanu"},"precedence":5}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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 18, 2114 CE · Perth, Australia · Vidhyamitra","description":"December 18, 2114 CE for Perth, Australia: Kṛṣṇa Saptamī, sūryodaya 05:07, sūryāsta 19:21.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2114-12-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2114-12-18","sa":"https://sa.vidhyamitra.com/city/perth/2114-12-18","hi":"https://hi.vidhyamitra.com/city/perth/2114-12-18","x-default":"https://vidhyamitra.com/city/perth/2114-12-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T12:45:29.189Z","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":"2026-06-02T12:45:29.189Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T12:45:29.189Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}