{"id":"vidhyamitra:city-day:perth:2170-12-24:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2170-12-24","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2170-12-24","date_display":"December 24, 2170 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":2170,"month":12,"day":24,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2513993.770833,"kali_year":5272,"ahargana":1925528.2708,"sun":{"sidereal_longitude":245.2944,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":72.7979,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":187.5035,"elapsed_within_tithi_degrees":7.5035},"nakshatra":{"number":6,"name":"Ārdrā","pada":2,"moon_longitude":72.7979,"elapsed_within_degrees":6.1312},"yoga":{"number":24,"name":"Śukla","sum_longitude":318.0923},"karana":{"half_tithi_index":31,"name":"Kaulava"},"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":2170,"month":12,"day":24,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2513993.770833,"ahargana":1925528.2708,"kali_year":5272,"ayanamsa_lahiri":26.2414,"grahas":{"sun":{"sidereal_longitude":246.02810799999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"moon":{"sidereal_longitude":73.90850799999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false,"latitude":2.6782},"mars":{"sidereal_longitude":271.57900799999993,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":230.37570800000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":168.04620799999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"venus":{"sidereal_longitude":199.45810800000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":303.9643080000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":36.2459,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":216.2459,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","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":2170,"month":12,"day":24,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2513993.770833,"kali_year":5272,"ahargana":1925528.2708,"sun":{"sidereal_longitude":245.2944,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":72.7979,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":187.5035,"elapsed_within_tithi_degrees":7.5035},"nakshatra":{"number":6,"name":"Ārdrā","pada":2,"moon_longitude":72.7979,"elapsed_within_degrees":6.1312},"yoga":{"number":24,"name":"Śukla","sum_longitude":318.0923},"karana":{"half_tithi_index":31,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.678,"elongation":172.497},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.678,"opposition_distance":7.503}},"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":"19:24","solarNoonLocal":"12:17","dayLengthHours":14.237967889156607,"dayLengthDisplay":"14 Hours 14 Mins 17 Secs","nightLengthDisplay":"9 Hours 45 Mins 43 Secs","moonriseLocal":"19:47","moonsetLocal":"05:50","rahuKala":{"name":"Rāhu Kāla","start":"06:56","end":"08:43","startHours":6.9371533116331925,"endHours":8.716899297777768,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:30","end":"12:17","startHours":10.496645283922344,"endHours":12.27639127006692,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:03","end":"15:50","startHours":14.056137256211496,"endHours":15.835883242356072,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:29","end":"08:57","startHours":8.479599832958492,"endHours":8.954198762597045,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:45","end":"06:08","startHours":5.750655987536809,"endHours":6.1303351312476515,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:48","end":"12:45","startHours":11.801792340428367,"endHours":12.750990199705473,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:16","end":"04:12","startHours":3.2590116069344024,"endHours":4.2082094662115095,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:58","end":"05:09","startHours":3.9709100013922325,"endHours":5.157407325488617,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:39","end":"15:36","startHours":14.64938591825969,"endHours":15.598583777536797,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:12","end":"19:36","startHours":19.195375214645225,"endHours":19.595375214645223,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:24","end":"19:59","startHours":19.395375214645224,"endHours":19.988623876693417,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:09","end":"20:54","startHours":19.145375214645224,"endHours":20.895375214645224,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:48","end":"00:45","startHours":23.801792340428367,"endHours":24.750990199705473,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:09","end":"06:56","startHours":5.157407325488617,"endHours":6.9371533116331925,"quality":"auspicious"},{"name":"Kāla","start":"06:56","end":"08:43","startHours":6.9371533116331925,"endHours":8.716899297777768,"quality":"inauspicious"},{"name":"Śubha","start":"08:43","end":"10:30","startHours":8.716899297777768,"endHours":10.496645283922344,"quality":"auspicious"},{"name":"Roga","start":"10:30","end":"12:17","startHours":10.496645283922344,"endHours":12.27639127006692,"quality":"inauspicious"},{"name":"Udveg","start":"12:17","end":"14:03","startHours":12.27639127006692,"endHours":14.056137256211496,"quality":"inauspicious"},{"name":"Chala","start":"14:03","end":"15:50","startHours":14.056137256211496,"endHours":15.835883242356072,"quality":"neutral"},{"name":"Labha","start":"15:50","end":"17:37","startHours":15.835883242356072,"endHours":17.615629228500648,"quality":"auspicious"},{"name":"Amṛta","start":"17:37","end":"19:24","startHours":17.615629228500648,"endHours":19.395375214645224,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"19:24","end":"20:37","startHours":19.395375214645224,"endHours":20.615629228500648,"quality":"neutral"},{"name":"Labha","start":"20:37","end":"21:50","startHours":20.615629228500648,"endHours":21.835883242356072,"quality":"auspicious"},{"name":"Amṛta","start":"21:50","end":"23:03","startHours":21.835883242356072,"endHours":23.056137256211496,"quality":"auspicious"},{"name":"Kāla","start":"23:03","end":"00:17","startHours":23.056137256211496,"endHours":24.27639127006692,"quality":"inauspicious"},{"name":"Śubha","start":"00:17","end":"01:30","startHours":24.27639127006692,"endHours":25.496645283922344,"quality":"auspicious"},{"name":"Roga","start":"01:30","end":"02:43","startHours":25.496645283922344,"endHours":26.71689929777777,"quality":"inauspicious"},{"name":"Udveg","start":"02:43","end":"03:56","startHours":26.71689929777777,"endHours":27.937153311633192,"quality":"inauspicious"},{"name":"Chala","start":"03:56","end":"05:09","startHours":27.937153311633192,"endHours":29.157407325488617,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:09","end":"06:09","startHours":5.157407325488617,"endHours":6.157407325488617,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:09","end":"07:09","startHours":6.157407325488617,"endHours":7.157407325488617,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:09","end":"08:09","startHours":7.157407325488617,"endHours":8.157407325488617,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:09","end":"09:09","startHours":8.157407325488617,"endHours":9.157407325488617,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:09","end":"10:09","startHours":9.157407325488617,"endHours":10.157407325488617,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:09","end":"11:09","startHours":10.157407325488617,"endHours":11.157407325488617,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:09","end":"12:09","startHours":11.157407325488617,"endHours":12.157407325488617,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:09","end":"13:09","startHours":12.157407325488617,"endHours":13.157407325488617,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:09","end":"14:09","startHours":13.157407325488617,"endHours":14.157407325488617,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:09","end":"15:09","startHours":14.157407325488617,"endHours":15.157407325488617,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:09","end":"16:09","startHours":15.157407325488617,"endHours":16.157407325488617,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:09","end":"17:09","startHours":16.157407325488617,"endHours":17.157407325488617,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:09","end":"18:09","startHours":17.157407325488617,"endHours":18.157407325488617,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:09","end":"19:09","startHours":18.157407325488617,"endHours":19.157407325488617,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:09","end":"20:09","startHours":19.157407325488617,"endHours":20.157407325488617,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:09","end":"21:09","startHours":20.157407325488617,"endHours":21.157407325488617,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:09","end":"22:09","startHours":21.157407325488617,"endHours":22.157407325488617,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:09","end":"23:09","startHours":22.157407325488617,"endHours":23.157407325488617,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:09","end":"00:09","startHours":23.157407325488617,"endHours":24.157407325488617,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:09","end":"01:09","startHours":24.157407325488617,"endHours":25.157407325488617,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:09","end":"02:09","startHours":25.157407325488617,"endHours":26.157407325488617,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:09","end":"03:09","startHours":26.157407325488617,"endHours":27.157407325488617,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:09","end":"04:09","startHours":27.157407325488617,"endHours":28.157407325488617,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:09","end":"05:09","startHours":28.157407325488617,"endHours":29.157407325488617,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.417019221344443,"eotMinutes":-0.025476204015291604,"ayanamsa":26.2414}},"calendars":{"vikram_samvat":2227,"vikram_samvatsara":"Subhānu","saka_samvat":2092,"saka_samvatsara":"Pramoda","bengali_samvat":1577,"malayalam_era":1346,"nanakshahi_year":701,"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 Pratipada · Vikram 2227 Subhānu · Śaka 2092 Pramoda"},"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 24, 2170 CE · Perth, Australia · Vidhyamitra","description":"December 24, 2170 CE for Perth, Australia: Kṛṣṇa Pratipada, sūryodaya 05:09, sūryāsta 19:24.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2170-12-24","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2170-12-24","sa":"https://sa.vidhyamitra.com/city/perth/2170-12-24","hi":"https://hi.vidhyamitra.com/city/perth/2170-12-24","x-default":"https://vidhyamitra.com/city/perth/2170-12-24"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T10:58:58.600Z","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":"2026-05-31T10:58:58.600Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T10:58:58.600Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}