{"id":"vidhyamitra:city-day:perth:2159-01-11:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2159-01-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2159-01-11","date_display":"January 11, 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":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2509628.770833,"kali_year":5260,"ahargana":1921163.2708,"sun":{"sidereal_longitude":263.9045,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":167.8383,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":263.9338,"elapsed_within_tithi_degrees":11.9338},"nakshatra":{"number":13,"name":"Hasta","pada":3,"moon_longitude":167.8383,"elapsed_within_degrees":7.8383},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":71.7428},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2509628.770833,"ahargana":1921163.2708,"kali_year":5260,"ayanamsa_lahiri":26.0745,"grahas":{"sun":{"sidereal_longitude":264.446283,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":170.66938299999993,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false,"latitude":-4.4357},"mars":{"sidereal_longitude":194.83918300000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":273.06688299999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":165.908683,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"venus":{"sidereal_longitude":291.4032830000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":180.34378300000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":267.5246,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":87.5246,"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":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2509628.770833,"kali_year":5260,"ahargana":1921163.2708,"sun":{"sidereal_longitude":263.9045,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":167.8383,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":263.9338,"elapsed_within_tithi_degrees":11.9338},"nakshatra":{"number":13,"name":"Hasta","pada":3,"moon_longitude":167.8383,"elapsed_within_degrees":7.8383},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":71.7428},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.436,"elongation":96.066},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.436,"opposition_distance":83.934}},"eclipse_window_40days":[{"offset_days":-7,"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":"05:22","sunsetLocal":"19:27","solarNoonLocal":"12:24","dayLengthHours":14.078974334411676,"dayLengthDisplay":"14 Hours 04 Mins 44 Secs","nightLengthDisplay":"9 Hours 55 Mins 16 Secs","moonriseLocal":"23:50","moonsetLocal":"12:29","rahuKala":{"name":"Rāhu Kāla","start":"14:10","end":"15:56","startHours":14.167280162384234,"endHours":15.927151954185693,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:22","end":"07:08","startHours":5.367921203376937,"endHours":7.127792995178396,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:53","end":"10:39","startHours":8.887664786979855,"endHours":10.647536578781315,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:39","end":"09:07","startHours":8.65301521473966,"endHours":9.12231435922005,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:57","end":"06:20","startHours":5.954545133977423,"endHours":6.329984449561735,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:56","end":"12:53","startHours":11.938109226102386,"endHours":12.876707515063165,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:29","end":"04:26","startHours":3.49072462545538,"endHours":4.429322914416158,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:12","end":"05:22","startHours":4.194673342175964,"endHours":5.367921203376937,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:45","end":"15:42","startHours":14.753904092984719,"endHours":15.692502381945497,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:15","end":"19:39","startHours":19.246895537788614,"endHours":19.646895537788613,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:27","end":"20:02","startHours":19.446895537788613,"endHours":20.0335194683891,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:12","end":"20:57","startHours":19.196895537788613,"endHours":20.946895537788613,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:56","end":"00:53","startHours":23.938109226102387,"endHours":24.876707515063163,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:22","end":"07:08","startHours":5.367921203376937,"endHours":7.127792995178396,"quality":"auspicious"},{"name":"Roga","start":"07:08","end":"08:53","startHours":7.127792995178396,"endHours":8.887664786979855,"quality":"inauspicious"},{"name":"Udveg","start":"08:53","end":"10:39","startHours":8.887664786979855,"endHours":10.647536578781315,"quality":"inauspicious"},{"name":"Chala","start":"10:39","end":"12:24","startHours":10.647536578781315,"endHours":12.407408370582775,"quality":"neutral"},{"name":"Labha","start":"12:24","end":"14:10","startHours":12.407408370582775,"endHours":14.167280162384234,"quality":"auspicious"},{"name":"Amṛta","start":"14:10","end":"15:56","startHours":14.167280162384234,"endHours":15.927151954185693,"quality":"auspicious"},{"name":"Kāla","start":"15:56","end":"17:41","startHours":15.927151954185693,"endHours":17.687023745987155,"quality":"inauspicious"},{"name":"Śubha","start":"17:41","end":"19:27","startHours":17.687023745987155,"endHours":19.446895537788613,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"19:27","end":"20:41","startHours":19.446895537788613,"endHours":20.687023745987155,"quality":"auspicious"},{"name":"Kāla","start":"20:41","end":"21:56","startHours":20.687023745987155,"endHours":21.927151954185696,"quality":"inauspicious"},{"name":"Śubha","start":"21:56","end":"23:10","startHours":21.927151954185696,"endHours":23.167280162384234,"quality":"auspicious"},{"name":"Roga","start":"23:10","end":"00:24","startHours":23.167280162384234,"endHours":24.407408370582775,"quality":"inauspicious"},{"name":"Udveg","start":"00:24","end":"01:39","startHours":24.407408370582775,"endHours":25.647536578781317,"quality":"inauspicious"},{"name":"Chala","start":"01:39","end":"02:53","startHours":25.647536578781317,"endHours":26.887664786979855,"quality":"neutral"},{"name":"Labha","start":"02:53","end":"04:08","startHours":26.887664786979855,"endHours":28.127792995178396,"quality":"auspicious"},{"name":"Amṛta","start":"04:08","end":"05:22","startHours":28.127792995178396,"endHours":29.367921203376937,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:22","end":"06:22","startHours":5.367921203376937,"endHours":6.367921203376937,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:22","end":"07:22","startHours":6.367921203376937,"endHours":7.367921203376937,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:22","end":"08:22","startHours":7.367921203376937,"endHours":8.367921203376937,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:22","end":"09:22","startHours":8.367921203376937,"endHours":9.367921203376937,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:22","end":"10:22","startHours":9.367921203376937,"endHours":10.367921203376937,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:22","end":"11:22","startHours":10.367921203376937,"endHours":11.367921203376937,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:22","end":"12:22","startHours":11.367921203376937,"endHours":12.367921203376937,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:22","end":"13:22","startHours":12.367921203376937,"endHours":13.367921203376937,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:22","end":"14:22","startHours":13.367921203376937,"endHours":14.367921203376937,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:22","end":"15:22","startHours":14.367921203376937,"endHours":15.367921203376937,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:22","end":"16:22","startHours":15.367921203376937,"endHours":16.367921203376937,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:22","end":"17:22","startHours":16.367921203376937,"endHours":17.367921203376937,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:22","end":"18:22","startHours":17.367921203376937,"endHours":18.367921203376937,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:22","end":"19:22","startHours":18.367921203376937,"endHours":19.367921203376937,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:22","end":"20:22","startHours":19.367921203376937,"endHours":20.367921203376937,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:22","end":"21:22","startHours":20.367921203376937,"endHours":21.367921203376937,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:22","end":"22:22","startHours":21.367921203376937,"endHours":22.367921203376937,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:22","end":"23:22","startHours":22.367921203376937,"endHours":23.367921203376937,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:22","end":"00:22","startHours":23.367921203376937,"endHours":24.367921203376937,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:22","end":"01:22","startHours":24.367921203376937,"endHours":25.367921203376937,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:22","end":"02:22","startHours":25.367921203376937,"endHours":26.367921203376937,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:22","end":"03:22","startHours":26.367921203376937,"endHours":27.367921203376937,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:22","end":"04:22","startHours":27.367921203376937,"endHours":28.367921203376937,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:22","end":"05:22","startHours":28.367921203376937,"endHours":29.367921203376937,"planetary_lord":"Moon"}],"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","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"North-West","rahuVasa":"North-West","anandadiYoga":{"name":"Ānanda","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":-21.86953501898132,"eotMinutes":-7.886502234966622,"ayanamsa":26.0745}},"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 Saptamī · 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":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 11, 2159 CE · Perth, Australia · Vidhyamitra","description":"January 11, 2159 CE for Perth, Australia: Kṛṣṇa Saptamī, sūryodaya 05:22, sūryāsta 19:27.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2159-01-11","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2159-01-11","sa":"https://sa.vidhyamitra.com/city/perth/2159-01-11","hi":"https://hi.vidhyamitra.com/city/perth/2159-01-11","x-default":"https://vidhyamitra.com/city/perth/2159-01-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-27T07:50:16.216Z","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":"2026-05-27T07:50:16.216Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-27T07:50:16.216Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}