{"id":"vidhyamitra:city-day:perth:2016-01-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2016-01-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2016-01-12","date_display":"January 12, 2016 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":2016,"month":1,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457399.770833,"kali_year":5117,"ahargana":1868934.2708,"sun":{"sidereal_longitude":266.9897,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":290.7883,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":23.7985,"elapsed_within_tithi_degrees":11.7985},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4,"moon_longitude":290.7883,"elapsed_within_degrees":10.7883},"yoga":{"number":15,"name":"Vajra","sum_longitude":197.778},"karana":{"half_tithi_index":3,"name":"Kaulava"},"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":2016,"month":1,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2457399.770833,"ahargana":1868934.2708,"kali_year":5117,"ayanamsa_lahiri":24.0769,"grahas":{"sun":{"sidereal_longitude":267.170715,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":292.462815,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false,"latitude":3.1288},"mars":{"sidereal_longitude":190.28901499999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":272.750415,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":148.40961500000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":231.199615,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":228.003015,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":154.8684,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":334.8684,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","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":2016,"month":1,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457399.770833,"kali_year":5117,"ahargana":1868934.2708,"sun":{"sidereal_longitude":266.9897,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":290.7883,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":23.7985,"elapsed_within_tithi_degrees":11.7985},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4,"moon_longitude":290.7883,"elapsed_within_degrees":10.7883},"yoga":{"number":15,"name":"Vajra","sum_longitude":197.778},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.129,"elongation":23.799},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.129,"opposition_distance":156.201}},"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":"05:23","sunsetLocal":"19:27","solarNoonLocal":"12:25","dayLengthHours":14.06774487366253,"dayLengthDisplay":"14 Hours 04 Mins 04 Secs","nightLengthDisplay":"9 Hours 55 Mins 56 Secs","moonriseLocal":"07:22","moonsetLocal":"20:50","rahuKala":{"name":"Rāhu Kāla","start":"15:56","end":"17:41","startHours":15.93066092902193,"endHours":17.689129038229744,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:54","end":"10:39","startHours":8.896788492190664,"endHours":10.65525660139848,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:25","end":"14:10","startHours":12.413724710606296,"endHours":14.172192819814114,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:40","end":"09:08","startHours":8.662326077629622,"endHours":9.131250906751706,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:58","end":"06:20","startHours":5.966008310177637,"endHours":6.341148173475304,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:57","end":"12:53","startHours":11.944799881484213,"endHours":12.882649539728382,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:30","end":"04:27","startHours":3.5041529572866943,"endHours":4.442002615530863,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:12","end":"05:23","startHours":4.207540200969821,"endHours":5.379852273775032,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:46","end":"15:42","startHours":14.758348856216717,"endHours":15.696198514460885,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:15","end":"19:39","startHours":19.247597147437563,"endHours":19.647597147437562,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:27","end":"20:02","startHours":19.447597147437563,"endHours":20.03375318384017,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:12","end":"20:57","startHours":19.197597147437563,"endHours":20.947597147437563,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:57","end":"00:53","startHours":23.94479988148421,"endHours":24.88264953972838,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:23","end":"07:08","startHours":5.379852273775032,"endHours":7.138320382982847,"quality":"inauspicious"},{"name":"Udveg","start":"07:08","end":"08:54","startHours":7.138320382982847,"endHours":8.896788492190664,"quality":"inauspicious"},{"name":"Chala","start":"08:54","end":"10:39","startHours":8.896788492190664,"endHours":10.65525660139848,"quality":"neutral"},{"name":"Labha","start":"10:39","end":"12:25","startHours":10.65525660139848,"endHours":12.413724710606296,"quality":"auspicious"},{"name":"Amṛta","start":"12:25","end":"14:10","startHours":12.413724710606296,"endHours":14.172192819814114,"quality":"auspicious"},{"name":"Kāla","start":"14:10","end":"15:56","startHours":14.172192819814114,"endHours":15.93066092902193,"quality":"inauspicious"},{"name":"Śubha","start":"15:56","end":"17:41","startHours":15.93066092902193,"endHours":17.689129038229744,"quality":"auspicious"},{"name":"Roga","start":"17:41","end":"19:27","startHours":17.689129038229744,"endHours":19.447597147437563,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"19:27","end":"20:41","startHours":19.447597147437563,"endHours":20.689129038229748,"quality":"inauspicious"},{"name":"Śubha","start":"20:41","end":"21:56","startHours":20.689129038229748,"endHours":21.93066092902193,"quality":"auspicious"},{"name":"Roga","start":"21:56","end":"23:10","startHours":21.93066092902193,"endHours":23.172192819814114,"quality":"inauspicious"},{"name":"Udveg","start":"23:10","end":"00:25","startHours":23.172192819814114,"endHours":24.413724710606296,"quality":"inauspicious"},{"name":"Chala","start":"00:25","end":"01:39","startHours":24.413724710606296,"endHours":25.65525660139848,"quality":"neutral"},{"name":"Labha","start":"01:39","end":"02:54","startHours":25.65525660139848,"endHours":26.896788492190666,"quality":"auspicious"},{"name":"Amṛta","start":"02:54","end":"04:08","startHours":26.896788492190666,"endHours":28.138320382982847,"quality":"auspicious"},{"name":"Kāla","start":"04:08","end":"05:23","startHours":28.138320382982847,"endHours":29.379852273775033,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:23","end":"06:23","startHours":5.379852273775032,"endHours":6.379852273775032,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:23","end":"07:23","startHours":6.379852273775032,"endHours":7.379852273775032,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:23","end":"08:23","startHours":7.379852273775032,"endHours":8.379852273775033,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:23","end":"09:23","startHours":8.379852273775033,"endHours":9.379852273775033,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:23","end":"10:23","startHours":9.379852273775033,"endHours":10.379852273775033,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:23","end":"11:23","startHours":10.379852273775033,"endHours":11.379852273775033,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:23","end":"12:23","startHours":11.379852273775033,"endHours":12.379852273775033,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:23","end":"13:23","startHours":12.379852273775033,"endHours":13.379852273775033,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:23","end":"14:23","startHours":13.379852273775033,"endHours":14.379852273775033,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:23","end":"15:23","startHours":14.379852273775033,"endHours":15.379852273775033,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:23","end":"16:23","startHours":15.379852273775033,"endHours":16.379852273775033,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:23","end":"17:23","startHours":16.379852273775033,"endHours":17.379852273775033,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:23","end":"18:23","startHours":17.379852273775033,"endHours":18.379852273775033,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:23","end":"19:23","startHours":18.379852273775033,"endHours":19.379852273775033,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:23","end":"20:23","startHours":19.379852273775033,"endHours":20.379852273775033,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:23","end":"21:23","startHours":20.379852273775033,"endHours":21.379852273775033,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:23","end":"22:23","startHours":21.379852273775033,"endHours":22.379852273775033,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:23","end":"23:23","startHours":22.379852273775033,"endHours":23.379852273775033,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:23","end":"00:23","startHours":23.379852273775033,"endHours":24.379852273775033,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:23","end":"01:23","startHours":24.379852273775033,"endHours":25.379852273775033,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:23","end":"02:23","startHours":25.379852273775033,"endHours":26.379852273775033,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:23","end":"03:23","startHours":26.379852273775033,"endHours":27.379852273775033,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:23","end":"04:23","startHours":27.379852273775033,"endHours":28.379852273775033,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:23","end":"05:23","startHours":28.379852273775033,"endHours":29.379852273775033,"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":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-21.758534472667474,"eotMinutes":-8.265482636377905,"ayanamsa":24.0769}},"calendars":{"vikram_samvat":2073,"vikram_samvatsara":"Saumya","saka_samvat":1938,"saka_samvatsara":"Durmukhi","bengali_samvat":1423,"malayalam_era":1192,"nanakshahi_year":547,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Dvitīyā · Vikram 2073 Saumya · Śaka 1938 Durmukhi"},"festivals":[{"id":"lohri","name":"Lohri","name_sanskrit":"लोहड़ी","tradition":"Regional","significance":"Punjab harvest festival; eve of Makara Saṅkrānti. (Approximated as 13/14 January annually; correct via Sun in Dhanu/Makara cusp.)","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":4},{"id":"dhanu-sankranti","name":"Dhanu Saṅkrānti","name_sanskrit":"धनु सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Sagittarius; Dhanu-māsa (Khara-māsa).","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":5}],"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 12, 2016 CE · Perth, Australia · Vidhyamitra","description":"January 12, 2016 CE for Perth, Australia: Śukla Dvitīyā, sūryodaya 05:23, sūryāsta 19:27.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2016-01-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2016-01-12","sa":"https://sa.vidhyamitra.com/city/perth/2016-01-12","hi":"https://hi.vidhyamitra.com/city/perth/2016-01-12","x-default":"https://vidhyamitra.com/city/perth/2016-01-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T15:28:01.028Z","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":"2026-05-15T15:28:01.028Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T15:28:01.028Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}