{"id":"vidhyamitra:city-day:perth:2151-12-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2151-12-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2151-12-01","date_display":"December 1, 2151 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":2151,"month":12,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2507030.770833,"kali_year":5253,"ahargana":1918565.2708,"sun":{"sidereal_longitude":221.6528,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":131.9805,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":270.3277,"elapsed_within_tithi_degrees":6.3277},"nakshatra":{"number":10,"name":"Maghā","pada":4,"moon_longitude":131.9805,"elapsed_within_degrees":11.9805},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":353.6333},"karana":{"half_tithi_index":45,"name":"Kaulava"},"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":2151,"month":12,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2507030.770833,"ahargana":1918565.2708,"kali_year":5253,"ayanamsa_lahiri":25.9751,"grahas":{"sun":{"sidereal_longitude":222.53704600000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":133.990046,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false,"latitude":4.493},"mars":{"sidereal_longitude":229.519046,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":203.360946,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":284.288946,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"venus":{"sidereal_longitude":184.73294599999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":88.17874599999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":45.1792,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":225.1792,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","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":2151,"month":12,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2507030.770833,"kali_year":5253,"ahargana":1918565.2708,"sun":{"sidereal_longitude":221.6528,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":131.9805,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":270.3277,"elapsed_within_tithi_degrees":6.3277},"nakshatra":{"number":10,"name":"Maghā","pada":4,"moon_longitude":131.9805,"elapsed_within_degrees":11.9805},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":353.6333},"karana":{"half_tithi_index":45,"name":"Kaulava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.493,"elongation":89.672},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.493,"opposition_distance":90.328}},"eclipse_window_40days":[{"offset_days":-7,"type":"lunar","occurs":true,"moon_latitude":-0.991,"opposition_distance":1.704},{"offset_days":7,"type":"solar","occurs":true,"moon_latitude":-0.403,"elongation":1.151}]},"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":"05:05","sunsetLocal":"19:08","solarNoonLocal":"12:06","dayLengthHours":14.063958272647419,"dayLengthDisplay":"14 Hours 03 Mins 50 Secs","nightLengthDisplay":"9 Hours 56 Mins 10 Secs","moonriseLocal":"00:29","moonsetLocal":"11:55","rahuKala":{"name":"Rāhu Kāla","start":"12:06","end":"13:52","startHours":12.107115823326659,"endHours":13.865110607407587,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:50","end":"08:35","startHours":6.8331314710838775,"endHours":8.591126255164806,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:21","end":"12:06","startHours":10.349121039245732,"endHours":12.107115823326659,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:21","end":"08:50","startHours":8.356726950620681,"endHours":8.825525559708929,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:40","end":"06:02","startHours":5.66113494836326,"endHours":6.036173835633857,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:38","end":"12:35","startHours":11.63831721423841,"endHours":12.575914432414907,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:12","end":"04:08","startHours":3.1999422506499613,"endHours":4.137539468826455,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:54","end":"05:05","startHours":3.9031401642823322,"endHours":5.07513668700295,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:27","end":"15:23","startHours":14.451108868767896,"endHours":15.38870608694439,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:56","end":"19:20","startHours":18.93909495965037,"endHours":19.339094959650367,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:08","end":"19:44","startHours":19.139094959650368,"endHours":19.725093221010678,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:53","end":"20:38","startHours":18.889094959650368,"endHours":20.639094959650368,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:38","end":"00:35","startHours":23.638317214238413,"endHours":24.575914432414905,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:05","end":"06:50","startHours":5.07513668700295,"endHours":6.8331314710838775,"quality":"auspicious"},{"name":"Amṛta","start":"06:50","end":"08:35","startHours":6.8331314710838775,"endHours":8.591126255164806,"quality":"auspicious"},{"name":"Kāla","start":"08:35","end":"10:21","startHours":8.591126255164806,"endHours":10.349121039245732,"quality":"inauspicious"},{"name":"Śubha","start":"10:21","end":"12:06","startHours":10.349121039245732,"endHours":12.107115823326659,"quality":"auspicious"},{"name":"Roga","start":"12:06","end":"13:52","startHours":12.107115823326659,"endHours":13.865110607407587,"quality":"inauspicious"},{"name":"Udveg","start":"13:52","end":"15:37","startHours":13.865110607407587,"endHours":15.623105391488515,"quality":"inauspicious"},{"name":"Chala","start":"15:37","end":"17:23","startHours":15.623105391488515,"endHours":17.38110017556944,"quality":"neutral"},{"name":"Labha","start":"17:23","end":"19:08","startHours":17.38110017556944,"endHours":19.139094959650368,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"19:08","end":"20:23","startHours":19.139094959650368,"endHours":20.38110017556944,"quality":"inauspicious"},{"name":"Chala","start":"20:23","end":"21:37","startHours":20.38110017556944,"endHours":21.623105391488515,"quality":"neutral"},{"name":"Labha","start":"21:37","end":"22:52","startHours":21.623105391488515,"endHours":22.865110607407587,"quality":"auspicious"},{"name":"Amṛta","start":"22:52","end":"00:06","startHours":22.865110607407587,"endHours":24.10711582332666,"quality":"auspicious"},{"name":"Kāla","start":"00:06","end":"01:21","startHours":24.10711582332666,"endHours":25.34912103924573,"quality":"inauspicious"},{"name":"Śubha","start":"01:21","end":"02:35","startHours":25.34912103924573,"endHours":26.591126255164802,"quality":"auspicious"},{"name":"Roga","start":"02:35","end":"03:50","startHours":26.591126255164802,"endHours":27.833131471083878,"quality":"inauspicious"},{"name":"Udveg","start":"03:50","end":"05:05","startHours":27.833131471083878,"endHours":29.07513668700295,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:05","end":"06:05","startHours":5.07513668700295,"endHours":6.07513668700295,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:05","end":"07:05","startHours":6.07513668700295,"endHours":7.07513668700295,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:05","end":"08:05","startHours":7.07513668700295,"endHours":8.07513668700295,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:05","end":"09:05","startHours":8.07513668700295,"endHours":9.07513668700295,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:05","end":"10:05","startHours":9.07513668700295,"endHours":10.07513668700295,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:05","end":"11:05","startHours":10.07513668700295,"endHours":11.07513668700295,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:05","end":"12:05","startHours":11.07513668700295,"endHours":12.07513668700295,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:05","end":"13:05","startHours":12.07513668700295,"endHours":13.07513668700295,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:05","end":"14:05","startHours":13.07513668700295,"endHours":14.07513668700295,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:05","end":"15:05","startHours":14.07513668700295,"endHours":15.07513668700295,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:05","end":"16:05","startHours":15.07513668700295,"endHours":16.07513668700295,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:05","end":"17:05","startHours":16.07513668700295,"endHours":17.07513668700295,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:05","end":"18:05","startHours":17.07513668700295,"endHours":18.07513668700295,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:05","end":"19:05","startHours":18.07513668700295,"endHours":19.07513668700295,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:05","end":"20:05","startHours":19.07513668700295,"endHours":20.07513668700295,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:05","end":"21:05","startHours":20.07513668700295,"endHours":21.07513668700295,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:05","end":"22:05","startHours":21.07513668700295,"endHours":22.07513668700295,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:05","end":"23:05","startHours":22.07513668700295,"endHours":23.07513668700295,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:05","end":"00:05","startHours":23.07513668700295,"endHours":24.07513668700295,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:05","end":"01:05","startHours":24.07513668700295,"endHours":25.07513668700295,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:05","end":"02:05","startHours":25.07513668700295,"endHours":26.07513668700295,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:05","end":"03:05","startHours":26.07513668700295,"endHours":27.07513668700295,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:05","end":"04:05","startHours":27.07513668700295,"endHours":28.07513668700295,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:05","end":"05:05","startHours":28.07513668700295,"endHours":29.07513668700295,"planetary_lord":"Sun"}],"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":"North (Uttara)","chandraVasa":"West","rahuVasa":"South-West","anandadiYoga":{"name":"Mausala","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-21.721054578091827,"eotMinutes":10.131050600400467,"ayanamsa":25.9751}},"calendars":{"vikram_samvat":2208,"vikram_samvatsara":"Raktākṣī","saka_samvat":2073,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1558,"malayalam_era":1327,"nanakshahi_year":682,"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 Aṣṭamī · Vikram 2208 Raktākṣī · Śaka 2073 Virodhakṛt"},"festivals":[{"id":"kalabhairava-ashtami","name":"Kālabhairava Aṣṭamī","name_sanskrit":"कालभैरव अष्टमी","tradition":"Shaiva","associated_deity":"Kālabhairava (fierce Śiva)","significance":"Kālabhairava's manifestation; Kāśī-kṣetrapāla.","vrata":true,"detection":{"tithi_number":23,"tithi_paksha":"Kṛṣṇa","lunar_month":"Mārgaśīrṣa"},"precedence":3}],"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":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Kṛṣṇa Aṣṭamī","url":"/day/-3226-07-09","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 1, 2151 CE · Perth, Australia · Vidhyamitra","description":"December 1, 2151 CE for Perth, Australia: Kṛṣṇa Aṣṭamī, sūryodaya 05:05, sūryāsta 19:08.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2151-12-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2151-12-01","sa":"https://sa.vidhyamitra.com/city/perth/2151-12-01","hi":"https://hi.vidhyamitra.com/city/perth/2151-12-01","x-default":"https://vidhyamitra.com/city/perth/2151-12-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T15:49:56.080Z","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":"2026-06-01T15:49:56.080Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T15:49:56.080Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}