{"id":"vidhyamitra:city-day:perth:2165-01-27:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2165-01-27","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2165-01-27","date_display":"January 27, 2165 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":2165,"month":1,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2511836.770833,"kali_year":5266,"ahargana":1923371.2708,"sun":{"sidereal_longitude":280.7862,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":99.5136,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":178.7274,"elapsed_within_tithi_degrees":10.7274},"nakshatra":{"number":8,"name":"Puṣya","pada":2,"moon_longitude":99.5136,"elapsed_within_degrees":6.1803},"yoga":{"number":2,"name":"Prīti","sum_longitude":20.2998},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":2165,"month":1,"day":27,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2511836.770833,"ahargana":1923371.2708,"kali_year":5266,"ayanamsa_lahiri":26.1589,"grahas":{"sun":{"sidereal_longitude":281.205921,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"moon":{"sidereal_longitude":98.880221,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false,"latitude":-3.4967},"mars":{"sidereal_longitude":251.559121,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":293.38732100000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":328.59692100000007,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":275.50412099999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":245.775621,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":150.5342,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":330.5342,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","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":2165,"month":1,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2511836.770833,"kali_year":5266,"ahargana":1923371.2708,"sun":{"sidereal_longitude":280.7862,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":99.5136,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":178.7274,"elapsed_within_tithi_degrees":10.7274},"nakshatra":{"number":8,"name":"Puṣya","pada":2,"moon_longitude":99.5136,"elapsed_within_degrees":6.1803},"yoga":{"number":2,"name":"Prīti","sum_longitude":20.2998},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.497,"elongation":178.727},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.497,"opposition_distance":1.273}},"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":"05:37","sunsetLocal":"19:22","solarNoonLocal":"12:29","dayLengthHours":13.740502856888309,"dayLengthDisplay":"13 Hours 44 Mins 26 Secs","nightLengthDisplay":"10 Hours 15 Mins 34 Secs","moonriseLocal":"19:07","moonsetLocal":"05:33","rahuKala":{"name":"Rāhu Kāla","start":"17:38","end":"19:22","startHours":17.64140199644777,"endHours":19.358964853558806,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:29","end":"14:12","startHours":12.488713425114652,"endHours":14.20627628222569,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:55","end":"17:38","startHours":15.923839139336728,"endHours":17.64140199644777,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:49","end":"09:17","startHours":8.824579329944436,"endHours":9.282596091840713,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:11","end":"06:33","startHours":6.190982949040843,"endHours":6.557396358557865,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:02","end":"12:57","startHours":12.030696663218375,"endHours":12.946730187010928,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:47","end":"04:42","startHours":3.7863949490853894,"endHours":4.702428472877943,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:28","end":"05:37","startHours":4.473420091929805,"endHours":5.618461996670497,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:47","end":"15:42","startHours":14.778797234596038,"endHours":15.694830758388592,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:10","end":"19:34","startHours":19.158964853558807,"endHours":19.558964853558805,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:22","end":"19:56","startHours":19.358964853558806,"endHours":19.931485805929153,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:07","end":"20:52","startHours":19.108964853558806,"endHours":20.858964853558806,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:02","end":"00:57","startHours":24.030696663218375,"endHours":24.94673018701093,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:37","end":"07:20","startHours":5.618461996670497,"endHours":7.336024853781536,"quality":"inauspicious"},{"name":"Chala","start":"07:20","end":"09:03","startHours":7.336024853781536,"endHours":9.053587710892575,"quality":"neutral"},{"name":"Labha","start":"09:03","end":"10:46","startHours":9.053587710892575,"endHours":10.771150568003613,"quality":"auspicious"},{"name":"Amṛta","start":"10:46","end":"12:29","startHours":10.771150568003613,"endHours":12.488713425114652,"quality":"auspicious"},{"name":"Kāla","start":"12:29","end":"14:12","startHours":12.488713425114652,"endHours":14.20627628222569,"quality":"inauspicious"},{"name":"Śubha","start":"14:12","end":"15:55","startHours":14.20627628222569,"endHours":15.923839139336728,"quality":"auspicious"},{"name":"Roga","start":"15:55","end":"17:38","startHours":15.923839139336728,"endHours":17.64140199644777,"quality":"inauspicious"},{"name":"Udveg","start":"17:38","end":"19:22","startHours":17.64140199644777,"endHours":19.358964853558806,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"19:22","end":"20:38","startHours":19.358964853558806,"endHours":20.64140199644777,"quality":"auspicious"},{"name":"Roga","start":"20:38","end":"21:55","startHours":20.64140199644777,"endHours":21.923839139336728,"quality":"inauspicious"},{"name":"Udveg","start":"21:55","end":"23:12","startHours":21.923839139336728,"endHours":23.20627628222569,"quality":"inauspicious"},{"name":"Chala","start":"23:12","end":"00:29","startHours":23.20627628222569,"endHours":24.488713425114653,"quality":"neutral"},{"name":"Labha","start":"00:29","end":"01:46","startHours":24.488713425114653,"endHours":25.771150568003613,"quality":"auspicious"},{"name":"Amṛta","start":"01:46","end":"03:03","startHours":25.771150568003613,"endHours":27.053587710892575,"quality":"auspicious"},{"name":"Kāla","start":"03:03","end":"04:20","startHours":27.053587710892575,"endHours":28.336024853781538,"quality":"inauspicious"},{"name":"Śubha","start":"04:20","end":"05:37","startHours":28.336024853781538,"endHours":29.618461996670497,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:37","end":"06:37","startHours":5.618461996670497,"endHours":6.618461996670497,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:37","end":"07:37","startHours":6.618461996670497,"endHours":7.618461996670497,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:37","end":"08:37","startHours":7.618461996670497,"endHours":8.618461996670497,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:37","end":"09:37","startHours":8.618461996670497,"endHours":9.618461996670497,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:37","end":"10:37","startHours":9.618461996670497,"endHours":10.618461996670497,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:37","end":"11:37","startHours":10.618461996670497,"endHours":11.618461996670497,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:37","end":"12:37","startHours":11.618461996670497,"endHours":12.618461996670497,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:37","end":"13:37","startHours":12.618461996670497,"endHours":13.618461996670497,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:37","end":"14:37","startHours":13.618461996670497,"endHours":14.618461996670497,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:37","end":"15:37","startHours":14.618461996670497,"endHours":15.618461996670497,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:37","end":"16:37","startHours":15.618461996670497,"endHours":16.618461996670497,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:37","end":"17:37","startHours":16.618461996670497,"endHours":17.618461996670497,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:37","end":"18:37","startHours":17.618461996670497,"endHours":18.618461996670497,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:37","end":"19:37","startHours":18.618461996670497,"endHours":19.618461996670497,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:37","end":"20:37","startHours":19.618461996670497,"endHours":20.618461996670497,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:37","end":"21:37","startHours":20.618461996670497,"endHours":21.618461996670497,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:37","end":"22:37","startHours":21.618461996670497,"endHours":22.618461996670497,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:37","end":"23:37","startHours":22.618461996670497,"endHours":23.618461996670497,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:37","end":"00:37","startHours":23.618461996670497,"endHours":24.618461996670497,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:37","end":"01:37","startHours":24.618461996670497,"endHours":25.618461996670497,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:37","end":"02:37","startHours":25.618461996670497,"endHours":26.618461996670497,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:37","end":"03:37","startHours":26.618461996670497,"endHours":27.618461996670497,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:37","end":"04:37","startHours":27.618461996670497,"endHours":28.618461996670497,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:37","end":"05:37","startHours":28.618461996670497,"endHours":29.618461996670497,"planetary_lord":"Jupiter"}],"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":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Śrīvatsa","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-18.428002320426152,"eotMinutes":-12.76480550687915,"ayanamsa":26.1589}},"calendars":{"vikram_samvat":2222,"vikram_samvatsara":"Bahudhānya","saka_samvat":2087,"saka_samvatsara":"Krodhana","bengali_samvat":1572,"malayalam_era":1341,"nanakshahi_year":696,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Pūrṇimā · Vikram 2222 Bahudhānya · Śaka 2087 Krodhana"},"festivals":[{"id":"paush-purnima","name":"Pauṣa Pūrṇimā (Śākambharī Devī Jayantī)","name_sanskrit":"पौष पूर्णिमा","tradition":"Pan-Hindu","associated_deity":"Devī Śākambharī","significance":"Manifestation of Devī Śākambharī (vegetation-mother).","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Pauṣa"},"precedence":3}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 Śukla Pūrṇimā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Śukla Pūrṇimā","url":"/day/-0562-04-11","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 27, 2165 CE · Perth, Australia · Vidhyamitra","description":"January 27, 2165 CE for Perth, Australia: Śukla Pūrṇimā, sūryodaya 05:37, sūryāsta 19:22.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2165-01-27","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2165-01-27","sa":"https://sa.vidhyamitra.com/city/perth/2165-01-27","hi":"https://hi.vidhyamitra.com/city/perth/2165-01-27","x-default":"https://vidhyamitra.com/city/perth/2165-01-27"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T10:44:38.552Z","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":"2026-06-01T10:44:38.552Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T10:44:38.552Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}