{"id":"vidhyamitra:city-day:perth:2012-01-24:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2012-01-24","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2012-01-24","date_display":"January 24, 2012 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":2012,"month":1,"day":24,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455950.770833,"kali_year":5113,"ahargana":1867485.2708,"sun":{"sidereal_longitude":279.3412,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":290.2285,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":10.8873,"elapsed_within_tithi_degrees":10.8873},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4,"moon_longitude":290.2285,"elapsed_within_degrees":10.2285},"yoga":{"number":16,"name":"Siddhi","sum_longitude":209.5697},"karana":{"half_tithi_index":1,"name":"Bava"},"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":2012,"month":1,"day":24,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455950.770833,"ahargana":1867485.2708,"kali_year":5113,"ayanamsa_lahiri":24.0215,"grahas":{"sun":{"sidereal_longitude":279.41487800000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":288.257078,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false,"latitude":3.8393},"mars":{"sidereal_longitude":148.86037799999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":269.869678,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":7.606277999999975,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":317.67257799999993,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":185.03907800000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":231.6434,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":51.6434,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","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":2012,"month":1,"day":24,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455950.770833,"kali_year":5113,"ahargana":1867485.2708,"sun":{"sidereal_longitude":279.3412,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":290.2285,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":10.8873,"elapsed_within_tithi_degrees":10.8873},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4,"moon_longitude":290.2285,"elapsed_within_degrees":10.2285},"yoga":{"number":16,"name":"Siddhi","sum_longitude":209.5697},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.839,"elongation":10.887},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.839,"opposition_distance":169.113}},"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":"05:34","sunsetLocal":"19:24","solarNoonLocal":"12:29","dayLengthHours":13.832681304037614,"dayLengthDisplay":"13 Hours 49 Mins 58 Secs","nightLengthDisplay":"10 Hours 10 Mins 02 Secs","moonriseLocal":"06:17","moonsetLocal":"19:51","rahuKala":{"name":"Rāhu Kāla","start":"15:56","end":"17:40","startHours":15.935183739118145,"endHours":17.66426890212285,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:01","end":"10:45","startHours":9.018843087099338,"endHours":10.74792825010404,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:29","end":"14:12","startHours":12.477013413108743,"endHours":14.206098576113444,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:47","end":"09:15","startHours":8.788298398698712,"endHours":9.249387775499965,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:08","end":"06:30","startHours":6.137034482091503,"endHours":6.5059059835325055,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:01","end":"12:56","startHours":12.015924036307489,"endHours":12.938102789909998,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:43","end":"04:38","startHours":3.71631525388492,"endHours":4.638494007487428,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:24","end":"05:34","startHours":4.407949319086801,"endHours":5.560672761089935,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:47","end":"15:42","startHours":14.782460297115012,"endHours":15.70463905071752,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:12","end":"19:36","startHours":19.19335406512755,"endHours":19.59335406512755,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:24","end":"19:58","startHours":19.39335406512755,"endHours":19.969715786129118,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:09","end":"20:54","startHours":19.14335406512755,"endHours":20.89335406512755,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:01","end":"00:56","startHours":24.01592403630749,"endHours":24.938102789909998,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:34","end":"07:17","startHours":5.560672761089935,"endHours":7.289757924094637,"quality":"inauspicious"},{"name":"Udveg","start":"07:17","end":"09:01","startHours":7.289757924094637,"endHours":9.018843087099338,"quality":"inauspicious"},{"name":"Chala","start":"09:01","end":"10:45","startHours":9.018843087099338,"endHours":10.74792825010404,"quality":"neutral"},{"name":"Labha","start":"10:45","end":"12:29","startHours":10.74792825010404,"endHours":12.477013413108743,"quality":"auspicious"},{"name":"Amṛta","start":"12:29","end":"14:12","startHours":12.477013413108743,"endHours":14.206098576113444,"quality":"auspicious"},{"name":"Kāla","start":"14:12","end":"15:56","startHours":14.206098576113444,"endHours":15.935183739118145,"quality":"inauspicious"},{"name":"Śubha","start":"15:56","end":"17:40","startHours":15.935183739118145,"endHours":17.66426890212285,"quality":"auspicious"},{"name":"Roga","start":"17:40","end":"19:24","startHours":17.66426890212285,"endHours":19.39335406512755,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"19:24","end":"20:40","startHours":19.39335406512755,"endHours":20.66426890212285,"quality":"inauspicious"},{"name":"Śubha","start":"20:40","end":"21:56","startHours":20.66426890212285,"endHours":21.935183739118145,"quality":"auspicious"},{"name":"Roga","start":"21:56","end":"23:12","startHours":21.935183739118145,"endHours":23.206098576113444,"quality":"inauspicious"},{"name":"Udveg","start":"23:12","end":"00:29","startHours":23.206098576113444,"endHours":24.477013413108743,"quality":"inauspicious"},{"name":"Chala","start":"00:29","end":"01:45","startHours":24.477013413108743,"endHours":25.747928250104042,"quality":"neutral"},{"name":"Labha","start":"01:45","end":"03:01","startHours":25.747928250104042,"endHours":27.01884308709934,"quality":"auspicious"},{"name":"Amṛta","start":"03:01","end":"04:17","startHours":27.01884308709934,"endHours":28.289757924094637,"quality":"auspicious"},{"name":"Kāla","start":"04:17","end":"05:34","startHours":28.289757924094637,"endHours":29.560672761089936,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:34","end":"06:34","startHours":5.560672761089935,"endHours":6.560672761089935,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:34","end":"07:34","startHours":6.560672761089935,"endHours":7.560672761089935,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:34","end":"08:34","startHours":7.560672761089935,"endHours":8.560672761089936,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:34","end":"09:34","startHours":8.560672761089936,"endHours":9.560672761089936,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:34","end":"10:34","startHours":9.560672761089936,"endHours":10.560672761089936,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:34","end":"11:34","startHours":10.560672761089936,"endHours":11.560672761089936,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:34","end":"12:34","startHours":11.560672761089936,"endHours":12.560672761089936,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:34","end":"13:34","startHours":12.560672761089936,"endHours":13.560672761089936,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:34","end":"14:34","startHours":13.560672761089936,"endHours":14.560672761089936,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:34","end":"15:34","startHours":14.560672761089936,"endHours":15.560672761089936,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:34","end":"16:34","startHours":15.560672761089936,"endHours":16.560672761089936,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:34","end":"17:34","startHours":16.560672761089936,"endHours":17.560672761089936,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:34","end":"18:34","startHours":17.560672761089936,"endHours":18.560672761089936,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:34","end":"19:34","startHours":18.560672761089936,"endHours":19.560672761089936,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:34","end":"20:34","startHours":19.560672761089936,"endHours":20.560672761089936,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:34","end":"21:34","startHours":20.560672761089936,"endHours":21.560672761089936,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:34","end":"22:34","startHours":21.560672761089936,"endHours":22.560672761089936,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:34","end":"23:34","startHours":22.560672761089936,"endHours":23.560672761089936,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:34","end":"00:34","startHours":23.560672761089936,"endHours":24.560672761089936,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:34","end":"01:34","startHours":24.560672761089936,"endHours":25.560672761089936,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:34","end":"02:34","startHours":25.560672761089936,"endHours":26.560672761089936,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:34","end":"03:34","startHours":26.560672761089936,"endHours":27.560672761089936,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:34","end":"04:34","startHours":27.560672761089936,"endHours":28.560672761089936,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:34","end":"05:34","startHours":28.560672761089936,"endHours":29.560672761089936,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"North","anandadiYoga":{"name":"Kāladaṇḍa","quality":"Inauspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-19.384564622043293,"eotMinutes":-12.062804786524666,"ayanamsa":24.0215}},"calendars":{"vikram_samvat":2069,"vikram_samvatsara":"Viśvāvasu","saka_samvat":1934,"saka_samvatsara":"Nandana","bengali_samvat":1419,"malayalam_era":1188,"nanakshahi_year":543,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Pratipada · Vikram 2069 Viśvāvasu · Śaka 1934 Nandana"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2},{"id":"magha-gupta-navratri-start","name":"Māgha Gupta Navrātri Start","name_sanskrit":"माघ गुप्त नवरात्रि आरम्भ","tradition":"Shakta","associated_deity":"Devī (10 Mahāvidyās)","significance":"Hidden (gupta) Navrātri for advanced sādhanā of 10 Mahāvidyās.","vrata":true,"detection":{"tithi_number":1,"tithi_paksha":"Śukla","lunar_month":"Māgha"},"precedence":3}],"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 January 24, 2012 CE · Perth, Australia · Vidhyamitra","description":"January 24, 2012 CE for Perth, Australia: Śukla Pratipada, sūryodaya 05:34, sūryāsta 19:24.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2012-01-24","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2012-01-24","sa":"https://sa.vidhyamitra.com/city/perth/2012-01-24","hi":"https://hi.vidhyamitra.com/city/perth/2012-01-24","x-default":"https://vidhyamitra.com/city/perth/2012-01-24"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T23:53:45.946Z","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":"2026-05-15T23:53:45.946Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T23:53:45.946Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}