{"id":"vidhyamitra:city-day:perth:2030-01-05:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2030-01-05","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2030-01-05","date_display":"January 5, 2030 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":2030,"month":1,"day":5,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2462506.770833,"kali_year":5131,"ahargana":1874041.2708,"sun":{"sidereal_longitude":260.1829,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":273.6347,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":13.4518,"elapsed_within_tithi_degrees":1.4518},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3,"moon_longitude":273.6347,"elapsed_within_degrees":6.968},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":173.8176},"karana":{"half_tithi_index":2,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":2030,"month":1,"day":5,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2462506.770833,"ahargana":1874041.2708,"kali_year":5131,"ayanamsa_lahiri":24.2722,"grahas":{"sun":{"sidereal_longitude":260.45408999999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":272.59358999999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false,"latitude":2.2046},"mars":{"sidereal_longitude":293.19389,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":249.71099000000004,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":207.07308999999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":262.38489000000004,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":true},"saturn":{"sidereal_longitude":23.91699,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":244.275,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":64.275,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","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":2030,"month":1,"day":5,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2462506.770833,"kali_year":5131,"ahargana":1874041.2708,"sun":{"sidereal_longitude":260.1829,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":273.6347,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":13.4518,"elapsed_within_tithi_degrees":1.4518},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3,"moon_longitude":273.6347,"elapsed_within_degrees":6.968},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":173.8176},"karana":{"half_tithi_index":2,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.205,"elongation":13.452},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.205,"opposition_distance":166.548}},"eclipse_window_40days":[{"offset_days":-15,"type":"lunar","occurs":true,"moon_latitude":-0.064,"opposition_distance":1.118},{"offset_days":-1,"type":"solar","occurs":true,"moon_latitude":1.192,"elongation":0.543}]},"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":"05:17","sunsetLocal":"19:27","solarNoonLocal":"12:22","dayLengthHours":14.155816887900649,"dayLengthDisplay":"14 Hours 09 Mins 21 Secs","nightLengthDisplay":"9 Hours 50 Mins 39 Secs","moonriseLocal":"06:13","moonsetLocal":"20:08","rahuKala":{"name":"Rāhu Kāla","start":"08:50","end":"10:36","startHours":8.82789195509422,"endHours":10.597369066081802,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:08","end":"15:54","startHours":14.136323288056964,"endHours":15.905800399044544,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:17","end":"07:04","startHours":5.288937733119059,"endHours":7.05841484410664,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:36","end":"09:04","startHours":8.59196167362921,"endHours":9.063822236559231,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:53","end":"06:15","startHours":5.878763436781585,"endHours":6.256251887125603,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:50","startHours":11.894985614139362,"endHours":12.838706739999406,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:24","end":"04:21","startHours":3.401495481398972,"endHours":4.345216607259015,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:07","end":"05:17","startHours":4.109286325794004,"endHours":5.288937733119059,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:44","end":"15:40","startHours":14.72614899171949,"endHours":15.669870117579533,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:15","end":"19:39","startHours":19.24475462101971,"endHours":19.644754621019707,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:27","end":"20:02","startHours":19.444754621019708,"endHours":20.034580324682235,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:12","end":"20:57","startHours":19.194754621019708,"endHours":20.944754621019708,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:50","startHours":23.89498561413936,"endHours":24.838706739999406,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:17","end":"07:04","startHours":5.288937733119059,"endHours":7.05841484410664,"quality":"inauspicious"},{"name":"Śubha","start":"07:04","end":"08:50","startHours":7.05841484410664,"endHours":8.82789195509422,"quality":"auspicious"},{"name":"Roga","start":"08:50","end":"10:36","startHours":8.82789195509422,"endHours":10.597369066081802,"quality":"inauspicious"},{"name":"Udveg","start":"10:36","end":"12:22","startHours":10.597369066081802,"endHours":12.366846177069384,"quality":"inauspicious"},{"name":"Chala","start":"12:22","end":"14:08","startHours":12.366846177069384,"endHours":14.136323288056964,"quality":"neutral"},{"name":"Labha","start":"14:08","end":"15:54","startHours":14.136323288056964,"endHours":15.905800399044544,"quality":"auspicious"},{"name":"Amṛta","start":"15:54","end":"17:41","startHours":15.905800399044544,"endHours":17.675277510032128,"quality":"auspicious"},{"name":"Kāla","start":"17:41","end":"19:27","startHours":17.675277510032128,"endHours":19.444754621019708,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"19:27","end":"20:41","startHours":19.444754621019708,"endHours":20.675277510032128,"quality":"auspicious"},{"name":"Amṛta","start":"20:41","end":"21:54","startHours":20.675277510032128,"endHours":21.905800399044544,"quality":"auspicious"},{"name":"Kāla","start":"21:54","end":"23:08","startHours":21.905800399044544,"endHours":23.136323288056964,"quality":"inauspicious"},{"name":"Śubha","start":"23:08","end":"00:22","startHours":23.136323288056964,"endHours":24.366846177069384,"quality":"auspicious"},{"name":"Roga","start":"00:22","end":"01:36","startHours":24.366846177069384,"endHours":25.597369066081804,"quality":"inauspicious"},{"name":"Udveg","start":"01:36","end":"02:50","startHours":25.597369066081804,"endHours":26.827891955094223,"quality":"inauspicious"},{"name":"Chala","start":"02:50","end":"04:04","startHours":26.827891955094223,"endHours":28.05841484410664,"quality":"neutral"},{"name":"Labha","start":"04:04","end":"05:17","startHours":28.05841484410664,"endHours":29.28893773311906,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:17","end":"06:17","startHours":5.288937733119059,"endHours":6.288937733119059,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:17","end":"07:17","startHours":6.288937733119059,"endHours":7.288937733119059,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:17","end":"08:17","startHours":7.288937733119059,"endHours":8.28893773311906,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:17","end":"09:17","startHours":8.28893773311906,"endHours":9.28893773311906,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:17","end":"10:17","startHours":9.28893773311906,"endHours":10.28893773311906,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:17","end":"11:17","startHours":10.28893773311906,"endHours":11.28893773311906,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:17","end":"12:17","startHours":11.28893773311906,"endHours":12.28893773311906,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:17","end":"13:17","startHours":12.28893773311906,"endHours":13.28893773311906,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:17","end":"14:17","startHours":13.28893773311906,"endHours":14.28893773311906,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:17","end":"15:17","startHours":14.28893773311906,"endHours":15.28893773311906,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:17","end":"16:17","startHours":15.28893773311906,"endHours":16.28893773311906,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:17","end":"17:17","startHours":16.28893773311906,"endHours":17.28893773311906,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:17","end":"18:17","startHours":17.28893773311906,"endHours":18.28893773311906,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:17","end":"19:17","startHours":18.28893773311906,"endHours":19.28893773311906,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:17","end":"20:17","startHours":19.28893773311906,"endHours":20.28893773311906,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:17","end":"21:17","startHours":20.28893773311906,"endHours":21.28893773311906,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:17","end":"22:17","startHours":21.28893773311906,"endHours":22.28893773311906,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:17","end":"23:17","startHours":22.28893773311906,"endHours":23.28893773311906,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:17","end":"00:17","startHours":23.28893773311906,"endHours":24.28893773311906,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:17","end":"01:17","startHours":24.28893773311906,"endHours":25.28893773311906,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:17","end":"02:17","startHours":25.28893773311906,"endHours":26.28893773311906,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:17","end":"03:17","startHours":26.28893773311906,"endHours":27.28893773311906,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:17","end":"04:17","startHours":27.28893773311906,"endHours":28.28893773311906,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:17","end":"05:17","startHours":28.28893773311906,"endHours":29.28893773311906,"planetary_lord":"Mercury"}],"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":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"East","anandadiYoga":{"name":"Mṛtyu","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":-22.62309565210822,"eotMinutes":-5.452770624163118,"ayanamsa":24.2722}},"calendars":{"vikram_samvat":2087,"vikram_samvatsara":"Rudhirodgāri","saka_samvat":1952,"saka_samvatsara":"Sādhāraṇa","bengali_samvat":1437,"malayalam_era":1206,"nanakshahi_year":561,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Dvitīyā · Vikram 2087 Rudhirodgāri · Śaka 1952 Sādhāraṇa"},"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":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 5, 2030 CE · Perth, Australia · Vidhyamitra","description":"January 5, 2030 CE for Perth, Australia: Śukla Dvitīyā, sūryodaya 05:17, sūryāsta 19:27.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2030-01-05","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2030-01-05","sa":"https://sa.vidhyamitra.com/city/perth/2030-01-05","hi":"https://hi.vidhyamitra.com/city/perth/2030-01-05","x-default":"https://vidhyamitra.com/city/perth/2030-01-05"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T06:40:08.119Z","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":"2026-05-15T06:40:08.119Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T06:40:08.119Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}