{"id":"vidhyamitra:city-day:perth:2020-01-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2020-01-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2020-01-07","date_display":"January 7, 2020 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":2020,"month":1,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458855.770833,"kali_year":5121,"ahargana":1870390.2708,"sun":{"sidereal_longitude":261.815,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":35.0545,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":133.2395,"elapsed_within_tithi_degrees":1.2395},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3,"moon_longitude":35.0545,"elapsed_within_degrees":8.3878},"yoga":{"number":23,"name":"Śubha","sum_longitude":296.8695},"karana":{"half_tithi_index":22,"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":2020,"month":1,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2458855.770833,"ahargana":1870390.2708,"kali_year":5121,"ayanamsa_lahiri":24.1326,"grahas":{"sun":{"sidereal_longitude":262.0489849999999,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":35.158885,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false,"latitude":-3.0482},"mars":{"sidereal_longitude":218.05528500000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":259.639085,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":253.94818499999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":297.381085,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":267.92438500000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":77.7225,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":257.7225,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"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":2020,"month":1,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458855.770833,"kali_year":5121,"ahargana":1870390.2708,"sun":{"sidereal_longitude":261.815,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":35.0545,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":133.2395,"elapsed_within_tithi_degrees":1.2395},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3,"moon_longitude":35.0545,"elapsed_within_degrees":8.3878},"yoga":{"number":23,"name":"Śubha","sum_longitude":296.8695},"karana":{"half_tithi_index":22,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.048,"elongation":133.24},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.048,"opposition_distance":46.76}},"eclipse_window_40days":[{"offset_days":-12,"type":"solar","occurs":true,"moon_latitude":0.726,"elongation":0.409},{"offset_days":4,"type":"lunar","occurs":true,"moon_latitude":0.783,"opposition_distance":1.611}]},"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":"05:19","sunsetLocal":"19:27","solarNoonLocal":"12:23","dayLengthHours":14.138696062030675,"dayLengthDisplay":"14 Hours 08 Mins 19 Secs","nightLengthDisplay":"9 Hours 51 Mins 41 Secs","moonriseLocal":"16:05","moonsetLocal":"02:26","rahuKala":{"name":"Rāhu Kāla","start":"15:55","end":"17:41","startHours":15.915508587297996,"endHours":17.68284559505183,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:51","end":"10:37","startHours":8.846160556282658,"endHours":10.613497564036493,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:23","end":"14:09","startHours":12.380834571790327,"endHours":14.148171579544162,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:37","end":"09:05","startHours":8.61051562191548,"endHours":9.081805490649836,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:54","end":"06:17","startHours":5.900598876692935,"endHours":6.277630771680419,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:55","end":"12:51","startHours":11.909544703055971,"endHours":12.852124440524683,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:26","end":"04:22","startHours":3.426327065837566,"endHours":4.3689068033062775,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:08","end":"05:19","startHours":4.133261868939099,"endHours":5.31148654077499,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:44","end":"15:41","startHours":14.737283915462108,"endHours":15.67986365293082,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:15","end":"19:39","startHours":19.250182602805666,"endHours":19.650182602805664,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:27","end":"20:02","startHours":19.450182602805665,"endHours":20.03929493872361,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:12","end":"20:57","startHours":19.200182602805665,"endHours":20.950182602805665,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:55","end":"00:51","startHours":23.90954470305597,"endHours":24.852124440524683,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:19","end":"07:05","startHours":5.31148654077499,"endHours":7.078823548528824,"quality":"inauspicious"},{"name":"Udveg","start":"07:05","end":"08:51","startHours":7.078823548528824,"endHours":8.846160556282658,"quality":"inauspicious"},{"name":"Chala","start":"08:51","end":"10:37","startHours":8.846160556282658,"endHours":10.613497564036493,"quality":"neutral"},{"name":"Labha","start":"10:37","end":"12:23","startHours":10.613497564036493,"endHours":12.380834571790327,"quality":"auspicious"},{"name":"Amṛta","start":"12:23","end":"14:09","startHours":12.380834571790327,"endHours":14.148171579544162,"quality":"auspicious"},{"name":"Kāla","start":"14:09","end":"15:55","startHours":14.148171579544162,"endHours":15.915508587297996,"quality":"inauspicious"},{"name":"Śubha","start":"15:55","end":"17:41","startHours":15.915508587297996,"endHours":17.68284559505183,"quality":"auspicious"},{"name":"Roga","start":"17:41","end":"19:27","startHours":17.68284559505183,"endHours":19.450182602805665,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"19:27","end":"20:41","startHours":19.450182602805665,"endHours":20.68284559505183,"quality":"inauspicious"},{"name":"Śubha","start":"20:41","end":"21:55","startHours":20.68284559505183,"endHours":21.915508587297996,"quality":"auspicious"},{"name":"Roga","start":"21:55","end":"23:09","startHours":21.915508587297996,"endHours":23.14817157954416,"quality":"inauspicious"},{"name":"Udveg","start":"23:09","end":"00:23","startHours":23.14817157954416,"endHours":24.380834571790327,"quality":"inauspicious"},{"name":"Chala","start":"00:23","end":"01:37","startHours":24.380834571790327,"endHours":25.613497564036493,"quality":"neutral"},{"name":"Labha","start":"01:37","end":"02:51","startHours":25.613497564036493,"endHours":26.84616055628266,"quality":"auspicious"},{"name":"Amṛta","start":"02:51","end":"04:05","startHours":26.84616055628266,"endHours":28.078823548528824,"quality":"auspicious"},{"name":"Kāla","start":"04:05","end":"05:19","startHours":28.078823548528824,"endHours":29.31148654077499,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:19","end":"06:19","startHours":5.31148654077499,"endHours":6.31148654077499,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:19","end":"07:19","startHours":6.31148654077499,"endHours":7.31148654077499,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:19","end":"08:19","startHours":7.31148654077499,"endHours":8.31148654077499,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:19","end":"09:19","startHours":8.31148654077499,"endHours":9.31148654077499,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:19","end":"10:19","startHours":9.31148654077499,"endHours":10.31148654077499,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:19","end":"11:19","startHours":10.31148654077499,"endHours":11.31148654077499,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:19","end":"12:19","startHours":11.31148654077499,"endHours":12.31148654077499,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:19","end":"13:19","startHours":12.31148654077499,"endHours":13.31148654077499,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:19","end":"14:19","startHours":13.31148654077499,"endHours":14.31148654077499,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:19","end":"15:19","startHours":14.31148654077499,"endHours":15.31148654077499,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:19","end":"16:19","startHours":15.31148654077499,"endHours":16.31148654077499,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:19","end":"17:19","startHours":16.31148654077499,"endHours":17.31148654077499,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:19","end":"18:19","startHours":17.31148654077499,"endHours":18.31148654077499,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:19","end":"19:19","startHours":18.31148654077499,"endHours":19.31148654077499,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:19","end":"20:19","startHours":19.31148654077499,"endHours":20.31148654077499,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:19","end":"21:19","startHours":20.31148654077499,"endHours":21.31148654077499,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:19","end":"22:19","startHours":21.31148654077499,"endHours":22.31148654077499,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:19","end":"23:19","startHours":22.31148654077499,"endHours":23.31148654077499,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:19","end":"00:19","startHours":23.31148654077499,"endHours":24.31148654077499,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:19","end":"01:19","startHours":24.31148654077499,"endHours":25.31148654077499,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:19","end":"02:19","startHours":25.31148654077499,"endHours":26.31148654077499,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:19","end":"03:19","startHours":26.31148654077499,"endHours":27.31148654077499,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:19","end":"04:19","startHours":27.31148654077499,"endHours":28.31148654077499,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:19","end":"05:19","startHours":28.31148654077499,"endHours":29.31148654077499,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"North","anandadiYoga":{"name":"Chatra","quality":"Auspicious"},"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":-22.456110621578354,"eotMinutes":-6.292074307419696,"ayanamsa":24.1326}},"calendars":{"vikram_samvat":2077,"vikram_samvatsara":"Pramādī","saka_samvat":1942,"saka_samvatsara":"Śārvarī","bengali_samvat":1427,"malayalam_era":1196,"nanakshahi_year":551,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Dvādaśī · Vikram 2077 Pramādī · Śaka 1942 Śārvarī"},"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":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Kṛttikā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Kṛttikā","url":"/day/-3137-12-25","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 January 7, 2020 CE · Perth, Australia · Vidhyamitra","description":"January 7, 2020 CE for Perth, Australia: Śukla Dvādaśī, sūryodaya 05:19, sūryāsta 19:27.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2020-01-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2020-01-07","sa":"https://sa.vidhyamitra.com/city/perth/2020-01-07","hi":"https://hi.vidhyamitra.com/city/perth/2020-01-07","x-default":"https://vidhyamitra.com/city/perth/2020-01-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T06:14:37.108Z","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":"2026-05-15T06:14:37.108Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T06:14:37.108Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}