{"id":"vidhyamitra:city-day:perth:2157-12-08:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2157-12-08","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2157-12-08","date_display":"December 8, 2157 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":2157,"month":12,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2509229.770833,"kali_year":5259,"ahargana":1920764.2708,"sun":{"sidereal_longitude":229.2611,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":302.5021,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":73.241,"elapsed_within_tithi_degrees":1.241},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3,"moon_longitude":302.5021,"elapsed_within_degrees":9.1687},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":171.7631},"karana":{"half_tithi_index":12,"name":"Gara"},"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":2157,"month":12,"day":8,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2509229.770833,"ahargana":1920764.2708,"kali_year":5259,"ayanamsa_lahiri":26.0592,"grahas":{"sun":{"sidereal_longitude":230.100728,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":300.86312799999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false,"latitude":1.0751},"mars":{"sidereal_longitude":283.44192799999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":209.12212799999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":135.313328,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":213.236128,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":166.72402799999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":288.6656,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":108.6656,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1},"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":2157,"month":12,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2509229.770833,"kali_year":5259,"ahargana":1920764.2708,"sun":{"sidereal_longitude":229.2611,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":302.5021,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":73.241,"elapsed_within_tithi_degrees":1.241},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3,"moon_longitude":302.5021,"elapsed_within_degrees":9.1687},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":171.7631},"karana":{"half_tithi_index":12,"name":"Gara"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.075,"elongation":73.241},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.075,"opposition_distance":106.759}},"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":"19:14","solarNoonLocal":"12:09","dayLengthHours":14.16550323870053,"dayLengthDisplay":"14 Hours 09 Mins 56 Secs","nightLengthDisplay":"9 Hours 50 Mins 04 Secs","moonriseLocal":"10:18","moonsetLocal":"23:27","rahuKala":{"name":"Rāhu Kāla","start":"13:56","end":"15:42","startHours":13.925017486398666,"endHours":15.695705391236235,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:04","end":"06:51","startHours":5.071577962210836,"endHours":6.842265867048402,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:37","end":"10:23","startHours":8.61295377188597,"endHours":10.383641676723535,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:23","end":"08:51","startHours":8.376862051240959,"endHours":8.849045492530978,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:40","end":"06:02","startHours":5.661807263823358,"endHours":6.039554016855373,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:41","end":"12:38","startHours":11.682146140271083,"endHours":12.626513022851118,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:11","end":"04:08","startHours":3.1828441970507653,"endHours":4.127211079630801,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:53","end":"05:04","startHours":3.8911193589857915,"endHours":5.071577962210836,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:31","end":"15:28","startHours":14.51524678801119,"endHours":15.459613670591226,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:02","end":"19:26","startHours":19.037081200911366,"endHours":19.437081200911365,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:14","end":"19:50","startHours":19.237081200911366,"endHours":19.827310502523886,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:59","end":"20:44","startHours":18.987081200911366,"endHours":20.737081200911366,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:41","end":"00:38","startHours":23.682146140271083,"endHours":24.626513022851118,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:04","end":"06:51","startHours":5.071577962210836,"endHours":6.842265867048402,"quality":"auspicious"},{"name":"Roga","start":"06:51","end":"08:37","startHours":6.842265867048402,"endHours":8.61295377188597,"quality":"inauspicious"},{"name":"Udveg","start":"08:37","end":"10:23","startHours":8.61295377188597,"endHours":10.383641676723535,"quality":"inauspicious"},{"name":"Chala","start":"10:23","end":"12:09","startHours":10.383641676723535,"endHours":12.1543295815611,"quality":"neutral"},{"name":"Labha","start":"12:09","end":"13:56","startHours":12.1543295815611,"endHours":13.925017486398666,"quality":"auspicious"},{"name":"Amṛta","start":"13:56","end":"15:42","startHours":13.925017486398666,"endHours":15.695705391236235,"quality":"auspicious"},{"name":"Kāla","start":"15:42","end":"17:28","startHours":15.695705391236235,"endHours":17.4663932960738,"quality":"inauspicious"},{"name":"Śubha","start":"17:28","end":"19:14","startHours":17.4663932960738,"endHours":19.237081200911366,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"19:14","end":"20:28","startHours":19.237081200911366,"endHours":20.4663932960738,"quality":"auspicious"},{"name":"Kāla","start":"20:28","end":"21:42","startHours":20.4663932960738,"endHours":21.69570539123623,"quality":"inauspicious"},{"name":"Śubha","start":"21:42","end":"22:56","startHours":21.69570539123623,"endHours":22.925017486398666,"quality":"auspicious"},{"name":"Roga","start":"22:56","end":"00:09","startHours":22.925017486398666,"endHours":24.1543295815611,"quality":"inauspicious"},{"name":"Udveg","start":"00:09","end":"01:23","startHours":24.1543295815611,"endHours":25.383641676723535,"quality":"inauspicious"},{"name":"Chala","start":"01:23","end":"02:37","startHours":25.383641676723535,"endHours":26.61295377188597,"quality":"neutral"},{"name":"Labha","start":"02:37","end":"03:51","startHours":26.61295377188597,"endHours":27.8422658670484,"quality":"auspicious"},{"name":"Amṛta","start":"03:51","end":"05:04","startHours":27.8422658670484,"endHours":29.071577962210835,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:04","end":"06:04","startHours":5.071577962210836,"endHours":6.071577962210836,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:04","end":"07:04","startHours":6.071577962210836,"endHours":7.071577962210836,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:04","end":"08:04","startHours":7.071577962210836,"endHours":8.071577962210835,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:04","end":"09:04","startHours":8.071577962210835,"endHours":9.071577962210835,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:04","end":"10:04","startHours":9.071577962210835,"endHours":10.071577962210835,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:04","end":"11:04","startHours":10.071577962210835,"endHours":11.071577962210835,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:04","end":"12:04","startHours":11.071577962210835,"endHours":12.071577962210835,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:04","end":"13:04","startHours":12.071577962210835,"endHours":13.071577962210835,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:04","end":"14:04","startHours":13.071577962210835,"endHours":14.071577962210835,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:04","end":"15:04","startHours":14.071577962210835,"endHours":15.071577962210835,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:04","end":"16:04","startHours":15.071577962210835,"endHours":16.071577962210835,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:04","end":"17:04","startHours":16.071577962210835,"endHours":17.071577962210835,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:04","end":"18:04","startHours":17.071577962210835,"endHours":18.071577962210835,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:04","end":"19:04","startHours":18.071577962210835,"endHours":19.071577962210835,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:04","end":"20:04","startHours":19.071577962210835,"endHours":20.071577962210835,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:04","end":"21:04","startHours":20.071577962210835,"endHours":21.071577962210835,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:04","end":"22:04","startHours":21.071577962210835,"endHours":22.071577962210835,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:04","end":"23:04","startHours":22.071577962210835,"endHours":23.071577962210835,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:04","end":"00:04","startHours":23.071577962210835,"endHours":24.071577962210835,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:04","end":"01:04","startHours":24.071577962210835,"endHours":25.071577962210835,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:04","end":"02:04","startHours":25.071577962210835,"endHours":26.071577962210835,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:04","end":"03:04","startHours":26.071577962210835,"endHours":27.071577962210835,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:04","end":"04:04","startHours":27.071577962210835,"endHours":28.071577962210835,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:04","end":"05:04","startHours":28.071577962210835,"endHours":29.071577962210835,"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":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South","rahuVasa":"North-West","anandadiYoga":{"name":"Chatra","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":-22.717337417989025,"eotMinutes":7.298225106333945,"ayanamsa":26.0592}},"calendars":{"vikram_samvat":2214,"vikram_samvatsara":"Pramoda","saka_samvat":2079,"saka_samvatsara":"Piṅgala","bengali_samvat":1564,"malayalam_era":1333,"nanakshahi_year":688,"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":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Saptamī · Vikram 2214 Pramoda · Śaka 2079 Piṅgala"},"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 8, 2157 CE · Perth, Australia · Vidhyamitra","description":"December 8, 2157 CE for Perth, Australia: Śukla Saptamī, sūryodaya 05:04, sūryāsta 19:14.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2157-12-08","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2157-12-08","sa":"https://sa.vidhyamitra.com/city/perth/2157-12-08","hi":"https://hi.vidhyamitra.com/city/perth/2157-12-08","x-default":"https://vidhyamitra.com/city/perth/2157-12-08"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T15:02:32.897Z","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":"2026-05-31T15:02:32.897Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T15:02:32.897Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}