{"id":"vidhyamitra:city-day:perth:2159-01-06:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2159-01-06","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2159-01-06","date_display":"January 6, 2159 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":2159,"month":1,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2509623.770833,"kali_year":5260,"ahargana":1921158.2708,"sun":{"sidereal_longitude":258.7646,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":102.3131,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":203.5485,"elapsed_within_tithi_degrees":11.5485},"nakshatra":{"number":8,"name":"Puṣya","pada":3,"moon_longitude":102.3131,"elapsed_within_degrees":8.9798},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":1.0777},"karana":{"half_tithi_index":33,"name":"Gara"},"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":2159,"month":1,"day":6,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2509623.770833,"ahargana":1921158.2708,"kali_year":5260,"ayanamsa_lahiri":26.0743,"grahas":{"sun":{"sidereal_longitude":259.3510739999999,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":103.33097399999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false,"latitude":-1.1274},"mars":{"sidereal_longitude":191.90007400000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":264.84467399999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":165.582174,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"venus":{"sidereal_longitude":285.211774,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":180.09997399999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":267.7895,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":87.7895,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"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":2159,"month":1,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2509623.770833,"kali_year":5260,"ahargana":1921158.2708,"sun":{"sidereal_longitude":258.7646,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":102.3131,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":203.5485,"elapsed_within_tithi_degrees":11.5485},"nakshatra":{"number":8,"name":"Puṣya","pada":3,"moon_longitude":102.3131,"elapsed_within_degrees":8.9798},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":1.0777},"karana":{"half_tithi_index":33,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.127,"elongation":156.451},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.127,"opposition_distance":23.549}},"eclipse_window_40days":[{"offset_days":-2,"type":"lunar","occurs":true,"moon_latitude":1.097,"opposition_distance":2.942}]},"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":"05:18","sunsetLocal":"19:27","solarNoonLocal":"12:22","dayLengthHours":14.147779568762466,"dayLengthDisplay":"14 Hours 08 Mins 52 Secs","nightLengthDisplay":"9 Hours 51 Mins 08 Secs","moonriseLocal":"20:42","moonsetLocal":"07:15","rahuKala":{"name":"Rāhu Kāla","start":"08:50","end":"10:36","startHours":8.836948792925615,"endHours":10.605421239020922,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:09","end":"15:55","startHours":14.142366131211539,"endHours":15.910838577306848,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:18","end":"07:04","startHours":5.300003900734997,"endHours":7.068476346830305,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:36","end":"09:04","startHours":8.601152466779572,"endHours":9.072745119071655,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:53","end":"06:16","startHours":5.8894947161001,"endHours":6.266768837933766,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:51","startHours":11.902301032824147,"endHours":12.845486337408312,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:25","end":"04:21","startHours":3.4136332915666685,"endHours":4.356818596150832,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:07","end":"05:18","startHours":4.121022270004792,"endHours":5.300003900734997,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:44","end":"15:41","startHours":14.731856946576642,"endHours":15.675042251160805,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:15","end":"19:39","startHours":19.247783469497463,"endHours":19.647783469497462,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:27","end":"20:02","startHours":19.447783469497463,"endHours":20.037274284862566,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:12","end":"20:57","startHours":19.197783469497463,"endHours":20.947783469497463,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:51","startHours":23.90230103282415,"endHours":24.84548633740831,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:18","end":"07:04","startHours":5.300003900734997,"endHours":7.068476346830305,"quality":"inauspicious"},{"name":"Śubha","start":"07:04","end":"08:50","startHours":7.068476346830305,"endHours":8.836948792925615,"quality":"auspicious"},{"name":"Roga","start":"08:50","end":"10:36","startHours":8.836948792925615,"endHours":10.605421239020922,"quality":"inauspicious"},{"name":"Udveg","start":"10:36","end":"12:22","startHours":10.605421239020922,"endHours":12.37389368511623,"quality":"inauspicious"},{"name":"Chala","start":"12:22","end":"14:09","startHours":12.37389368511623,"endHours":14.142366131211539,"quality":"neutral"},{"name":"Labha","start":"14:09","end":"15:55","startHours":14.142366131211539,"endHours":15.910838577306848,"quality":"auspicious"},{"name":"Amṛta","start":"15:55","end":"17:41","startHours":15.910838577306848,"endHours":17.679311023402153,"quality":"auspicious"},{"name":"Kāla","start":"17:41","end":"19:27","startHours":17.679311023402153,"endHours":19.447783469497463,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"19:27","end":"20:41","startHours":19.447783469497463,"endHours":20.679311023402153,"quality":"auspicious"},{"name":"Amṛta","start":"20:41","end":"21:55","startHours":20.679311023402153,"endHours":21.910838577306848,"quality":"auspicious"},{"name":"Kāla","start":"21:55","end":"23:09","startHours":21.910838577306848,"endHours":23.14236613121154,"quality":"inauspicious"},{"name":"Śubha","start":"23:09","end":"00:22","startHours":23.14236613121154,"endHours":24.37389368511623,"quality":"auspicious"},{"name":"Roga","start":"00:22","end":"01:36","startHours":24.37389368511623,"endHours":25.60542123902092,"quality":"inauspicious"},{"name":"Udveg","start":"01:36","end":"02:50","startHours":25.60542123902092,"endHours":26.83694879292561,"quality":"inauspicious"},{"name":"Chala","start":"02:50","end":"04:04","startHours":26.83694879292561,"endHours":28.068476346830305,"quality":"neutral"},{"name":"Labha","start":"04:04","end":"05:18","startHours":28.068476346830305,"endHours":29.300003900734996,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:18","end":"06:18","startHours":5.300003900734997,"endHours":6.300003900734997,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:18","end":"07:18","startHours":6.300003900734997,"endHours":7.300003900734997,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:18","end":"08:18","startHours":7.300003900734997,"endHours":8.300003900734996,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:18","end":"09:18","startHours":8.300003900734996,"endHours":9.300003900734996,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:18","end":"10:18","startHours":9.300003900734996,"endHours":10.300003900734996,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:18","end":"11:18","startHours":10.300003900734996,"endHours":11.300003900734996,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:18","end":"12:18","startHours":11.300003900734996,"endHours":12.300003900734996,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:18","end":"13:18","startHours":12.300003900734996,"endHours":13.300003900734996,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:18","end":"14:18","startHours":13.300003900734996,"endHours":14.300003900734996,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:18","end":"15:18","startHours":14.300003900734996,"endHours":15.300003900734996,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:18","end":"16:18","startHours":15.300003900734996,"endHours":16.300003900734996,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:18","end":"17:18","startHours":16.300003900734996,"endHours":17.300003900734996,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:18","end":"18:18","startHours":17.300003900734996,"endHours":18.300003900734996,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:18","end":"19:18","startHours":18.300003900734996,"endHours":19.300003900734996,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:18","end":"20:18","startHours":19.300003900734996,"endHours":20.300003900734996,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:18","end":"21:18","startHours":20.300003900734996,"endHours":21.300003900734996,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:18","end":"22:18","startHours":21.300003900734996,"endHours":22.300003900734996,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:18","end":"23:18","startHours":22.300003900734996,"endHours":23.300003900734996,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:18","end":"00:18","startHours":23.300003900734996,"endHours":24.300003900734996,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:18","end":"01:18","startHours":24.300003900734996,"endHours":25.300003900734996,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:18","end":"02:18","startHours":25.300003900734996,"endHours":26.300003900734996,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:18","end":"03:18","startHours":26.300003900734996,"endHours":27.300003900734996,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:18","end":"04:18","startHours":27.300003900734996,"endHours":28.300003900734996,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:18","end":"05:18","startHours":28.300003900734996,"endHours":29.300003900734996,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"East","anandadiYoga":{"name":"Prajāpati","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":-22.544770327340196,"eotMinutes":-5.875621106973772,"ayanamsa":26.0743}},"calendars":{"vikram_samvat":2216,"vikram_samvatsara":"Aṅgirasa","saka_samvat":2081,"saka_samvatsara":"Siddhārthī","bengali_samvat":1566,"malayalam_era":1335,"nanakshahi_year":690,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Dvitīyā · Vikram 2216 Aṅgirasa · Śaka 2081 Siddhārthī"},"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 6, 2159 CE · Perth, Australia · Vidhyamitra","description":"January 6, 2159 CE for Perth, Australia: Kṛṣṇa Dvitīyā, sūryodaya 05:18, sūryāsta 19:27.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2159-01-06","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2159-01-06","sa":"https://sa.vidhyamitra.com/city/perth/2159-01-06","hi":"https://hi.vidhyamitra.com/city/perth/2159-01-06","x-default":"https://vidhyamitra.com/city/perth/2159-01-06"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-27T03:48:56.892Z","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":"2026-05-27T03:48:56.892Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-27T03:48:56.892Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}