{"id":"vidhyamitra:city-day:perth:2145-12-06:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2145-12-06","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2145-12-06","date_display":"December 6, 2145 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":2145,"month":12,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2504844.770833,"kali_year":5247,"ahargana":1916379.2708,"sun":{"sidereal_longitude":227.3231,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":124.9173,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":257.5941,"elapsed_within_tithi_degrees":5.5941},"nakshatra":{"number":10,"name":"Maghā","pada":2,"moon_longitude":124.9173,"elapsed_within_degrees":4.9173},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":352.2404},"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":2145,"month":12,"day":6,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2504844.770833,"ahargana":1916379.2708,"kali_year":5247,"ayanamsa_lahiri":25.8915,"grahas":{"sun":{"sidereal_longitude":228.14916700000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":121.695967,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false,"latitude":-2.6488},"mars":{"sidereal_longitude":192.423767,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":218.00946699999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":132.04096700000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":227.57746699999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":358.776167,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":161.004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":341.004,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","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":2145,"month":12,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2504844.770833,"kali_year":5247,"ahargana":1916379.2708,"sun":{"sidereal_longitude":227.3231,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":124.9173,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":257.5941,"elapsed_within_tithi_degrees":5.5941},"nakshatra":{"number":10,"name":"Maghā","pada":2,"moon_longitude":124.9173,"elapsed_within_degrees":4.9173},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":352.2404},"karana":{"half_tithi_index":42,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.649,"elongation":102.406},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.649,"opposition_distance":77.594}},"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":"05:04","sunsetLocal":"19:13","solarNoonLocal":"12:08","dayLengthHours":14.141407472059136,"dayLengthDisplay":"14 Hours 08 Mins 29 Secs","nightLengthDisplay":"9 Hours 51 Mins 31 Secs","moonriseLocal":"23:31","moonsetLocal":"10:34","rahuKala":{"name":"Rāhu Kāla","start":"06:50","end":"08:36","startHours":6.837224206731964,"endHours":8.604900140739357,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:22","end":"12:08","startHours":10.372576074746748,"endHours":12.140252008754139,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:54","end":"15:41","startHours":13.907927942761532,"endHours":15.675603876768925,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:22","end":"08:50","startHours":8.369210016205038,"endHours":8.840590265273676,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:40","end":"06:02","startHours":5.658773584060369,"endHours":6.0358777833152795,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:40","end":"12:37","startHours":11.668871759685501,"endHours":12.611632257822777,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:11","end":"04:08","startHours":3.1840272764500206,"endHours":4.126787774587296,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:53","end":"05:04","startHours":3.8910976500529775,"endHours":5.069548272724572,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:30","end":"15:26","startHours":14.497153254097327,"endHours":15.439913752234602,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:01","end":"19:25","startHours":19.010955744783708,"endHours":19.410955744783706,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:13","end":"19:48","startHours":19.210955744783707,"endHours":19.800181056119506,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:58","end":"20:43","startHours":18.960955744783707,"endHours":20.710955744783707,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:40","end":"00:37","startHours":23.6688717596855,"endHours":24.611632257822777,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:04","end":"06:50","startHours":5.069548272724572,"endHours":6.837224206731964,"quality":"auspicious"},{"name":"Kāla","start":"06:50","end":"08:36","startHours":6.837224206731964,"endHours":8.604900140739357,"quality":"inauspicious"},{"name":"Śubha","start":"08:36","end":"10:22","startHours":8.604900140739357,"endHours":10.372576074746748,"quality":"auspicious"},{"name":"Roga","start":"10:22","end":"12:08","startHours":10.372576074746748,"endHours":12.140252008754139,"quality":"inauspicious"},{"name":"Udveg","start":"12:08","end":"13:54","startHours":12.140252008754139,"endHours":13.907927942761532,"quality":"inauspicious"},{"name":"Chala","start":"13:54","end":"15:41","startHours":13.907927942761532,"endHours":15.675603876768925,"quality":"neutral"},{"name":"Labha","start":"15:41","end":"17:27","startHours":15.675603876768925,"endHours":17.443279810776314,"quality":"auspicious"},{"name":"Amṛta","start":"17:27","end":"19:13","startHours":17.443279810776314,"endHours":19.210955744783707,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"19:13","end":"20:27","startHours":19.210955744783707,"endHours":20.443279810776314,"quality":"neutral"},{"name":"Labha","start":"20:27","end":"21:41","startHours":20.443279810776314,"endHours":21.675603876768925,"quality":"auspicious"},{"name":"Amṛta","start":"21:41","end":"22:54","startHours":21.675603876768925,"endHours":22.907927942761532,"quality":"auspicious"},{"name":"Kāla","start":"22:54","end":"00:08","startHours":22.907927942761532,"endHours":24.14025200875414,"quality":"inauspicious"},{"name":"Śubha","start":"00:08","end":"01:22","startHours":24.14025200875414,"endHours":25.372576074746746,"quality":"auspicious"},{"name":"Roga","start":"01:22","end":"02:36","startHours":25.372576074746746,"endHours":26.604900140739353,"quality":"inauspicious"},{"name":"Udveg","start":"02:36","end":"03:50","startHours":26.604900140739353,"endHours":27.837224206731964,"quality":"inauspicious"},{"name":"Chala","start":"03:50","end":"05:04","startHours":27.837224206731964,"endHours":29.06954827272457,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:04","end":"06:04","startHours":5.069548272724572,"endHours":6.069548272724572,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:04","end":"07:04","startHours":6.069548272724572,"endHours":7.069548272724572,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:04","end":"08:04","startHours":7.069548272724572,"endHours":8.069548272724571,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:04","end":"09:04","startHours":8.069548272724571,"endHours":9.069548272724571,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:04","end":"10:04","startHours":9.069548272724571,"endHours":10.069548272724571,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:04","end":"11:04","startHours":10.069548272724571,"endHours":11.069548272724571,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:04","end":"12:04","startHours":11.069548272724571,"endHours":12.069548272724571,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:04","end":"13:04","startHours":12.069548272724571,"endHours":13.069548272724571,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:04","end":"14:04","startHours":13.069548272724571,"endHours":14.069548272724571,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:04","end":"15:04","startHours":14.069548272724571,"endHours":15.069548272724571,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:04","end":"16:04","startHours":15.069548272724571,"endHours":16.06954827272457,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:04","end":"17:04","startHours":16.06954827272457,"endHours":17.06954827272457,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:04","end":"18:04","startHours":17.06954827272457,"endHours":18.06954827272457,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:04","end":"19:04","startHours":18.06954827272457,"endHours":19.06954827272457,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:04","end":"20:04","startHours":19.06954827272457,"endHours":20.06954827272457,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:04","end":"21:04","startHours":20.06954827272457,"endHours":21.06954827272457,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:04","end":"22:04","startHours":21.06954827272457,"endHours":22.06954827272457,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:04","end":"23:04","startHours":22.06954827272457,"endHours":23.06954827272457,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:04","end":"00:04","startHours":23.06954827272457,"endHours":24.06954827272457,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:04","end":"01:04","startHours":24.06954827272457,"endHours":25.06954827272457,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:04","end":"02:04","startHours":25.06954827272457,"endHours":26.06954827272457,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:04","end":"03:04","startHours":26.06954827272457,"endHours":27.06954827272457,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:04","end":"04:04","startHours":27.06954827272457,"endHours":28.06954827272457,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:04","end":"05:04","startHours":28.06954827272457,"endHours":29.06954827272457,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","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":"East (Pūrva)","chandraVasa":"West","rahuVasa":"North-East","anandadiYoga":{"name":"Padma","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-22.482590819893996,"eotMinutes":8.142879474751563,"ayanamsa":25.8915}},"calendars":{"vikram_samvat":2202,"vikram_samvatsara":"Kālayukta","saka_samvat":2067,"saka_samvatsara":"Viśvāvasu","bengali_samvat":1552,"malayalam_era":1321,"nanakshahi_year":676,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Mārgaśīrṣa","lunar_month_amanta":"Kārtika","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Kṛṣṇa Saptamī · Vikram 2202 Kālayukta · Śaka 2067 Viśvāvasu"},"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 6, 2145 CE · Perth, Australia · Vidhyamitra","description":"December 6, 2145 CE for Perth, Australia: Kṛṣṇa Saptamī, sūryodaya 05:04, sūryāsta 19:13.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2145-12-06","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2145-12-06","sa":"https://sa.vidhyamitra.com/city/perth/2145-12-06","hi":"https://hi.vidhyamitra.com/city/perth/2145-12-06","x-default":"https://vidhyamitra.com/city/perth/2145-12-06"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T13:20:31.390Z","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":"2026-05-31T13:20:31.390Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T13:20:31.390Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}