{"id":"vidhyamitra:city-day:perth:1918-01-05:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1918-01-05","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1918-01-05","date_display":"January 5, 1918 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":1918,"month":1,"day":5,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2421598.770833,"kali_year":5019,"ahargana":1833133.2708,"sun":{"sidereal_longitude":261.1912,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":168.4139,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":267.2227,"elapsed_within_tithi_degrees":3.2227},"nakshatra":{"number":13,"name":"Hasta","pada":3,"moon_longitude":168.4139,"elapsed_within_degrees":8.4139},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":69.605},"karana":{"half_tithi_index":44,"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":1918,"month":1,"day":5,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2421598.770833,"ahargana":1833133.2708,"kali_year":5019,"ayanamsa_lahiri":22.7077,"grahas":{"sun":{"sidereal_longitude":261.19147599999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":166.17917599999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false,"latitude":-4.4698},"mars":{"sidereal_longitude":156.679076,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":258.385076,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":40.01437599999997,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":true},"venus":{"sidereal_longitude":302.66397600000005,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":111.013576,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":251.7777,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":71.7777,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","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":1918,"month":1,"day":5,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2421598.770833,"kali_year":5019,"ahargana":1833133.2708,"sun":{"sidereal_longitude":261.1912,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":168.4139,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":267.2227,"elapsed_within_tithi_degrees":3.2227},"nakshatra":{"number":13,"name":"Hasta","pada":3,"moon_longitude":168.4139,"elapsed_within_degrees":8.4139},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":69.605},"karana":{"half_tithi_index":44,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.47,"elongation":92.777},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.47,"opposition_distance":87.223}},"eclipse_window_40days":[{"offset_days":-8,"type":"lunar","occurs":true,"moon_latitude":0.156,"opposition_distance":2.753},{"offset_days":8,"type":"solar","occurs":true,"moon_latitude":1.39,"elongation":0.055}]},"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":14.164874832625124,"dayLengthDisplay":"14 Hours 09 Mins 54 Secs","nightLengthDisplay":"9 Hours 50 Mins 06 Secs","moonriseLocal":"23:50","moonsetLocal":"12:14","rahuKala":{"name":"Rāhu Kāla","start":"08:50","end":"10:36","startHours":8.825627468913101,"endHours":10.596236822991242,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:08","end":"15:54","startHours":14.137455531147523,"endHours":15.908064885225663,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:17","end":"07:03","startHours":5.284408760756821,"endHours":7.0550181148349616,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:35","end":"09:04","startHours":8.589546221702683,"endHours":9.06170871612352,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:52","end":"06:15","startHours":5.874611878782868,"endHours":6.252341874319537,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:50","startHours":11.894683682648546,"endHours":12.839008671490221,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:24","end":"04:20","startHours":3.3957587830734712,"endHours":4.340083771915146,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:06","end":"05:17","startHours":4.104002524704727,"endHours":5.284408760756821,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:44","end":"15:40","startHours":14.72765864917357,"endHours":15.671983638015245,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:15","end":"19:39","startHours":19.249283593381946,"endHours":19.649283593381945,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:27","end":"20:02","startHours":19.449283593381946,"endHours":20.039486711407992,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:12","end":"20:57","startHours":19.199283593381946,"endHours":20.949283593381946,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:50","startHours":23.894683682648548,"endHours":24.83900867149022,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:17","end":"07:03","startHours":5.284408760756821,"endHours":7.0550181148349616,"quality":"inauspicious"},{"name":"Śubha","start":"07:03","end":"08:50","startHours":7.0550181148349616,"endHours":8.825627468913101,"quality":"auspicious"},{"name":"Roga","start":"08:50","end":"10:36","startHours":8.825627468913101,"endHours":10.596236822991242,"quality":"inauspicious"},{"name":"Udveg","start":"10:36","end":"12:22","startHours":10.596236822991242,"endHours":12.366846177069384,"quality":"inauspicious"},{"name":"Chala","start":"12:22","end":"14:08","startHours":12.366846177069384,"endHours":14.137455531147523,"quality":"neutral"},{"name":"Labha","start":"14:08","end":"15:54","startHours":14.137455531147523,"endHours":15.908064885225663,"quality":"auspicious"},{"name":"Amṛta","start":"15:54","end":"17:41","startHours":15.908064885225663,"endHours":17.678674239303806,"quality":"auspicious"},{"name":"Kāla","start":"17:41","end":"19:27","startHours":17.678674239303806,"endHours":19.449283593381946,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"19:27","end":"20:41","startHours":19.449283593381946,"endHours":20.678674239303806,"quality":"auspicious"},{"name":"Amṛta","start":"20:41","end":"21:54","startHours":20.678674239303806,"endHours":21.908064885225663,"quality":"auspicious"},{"name":"Kāla","start":"21:54","end":"23:08","startHours":21.908064885225663,"endHours":23.137455531147523,"quality":"inauspicious"},{"name":"Śubha","start":"23:08","end":"00:22","startHours":23.137455531147523,"endHours":24.366846177069384,"quality":"auspicious"},{"name":"Roga","start":"00:22","end":"01:36","startHours":24.366846177069384,"endHours":25.596236822991244,"quality":"inauspicious"},{"name":"Udveg","start":"01:36","end":"02:50","startHours":25.596236822991244,"endHours":26.825627468913105,"quality":"inauspicious"},{"name":"Chala","start":"02:50","end":"04:03","startHours":26.825627468913105,"endHours":28.05501811483496,"quality":"neutral"},{"name":"Labha","start":"04:03","end":"05:17","startHours":28.05501811483496,"endHours":29.284408760756822,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:17","end":"06:17","startHours":5.284408760756821,"endHours":6.284408760756821,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:17","end":"07:17","startHours":6.284408760756821,"endHours":7.284408760756821,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:17","end":"08:17","startHours":7.284408760756821,"endHours":8.284408760756822,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:17","end":"09:17","startHours":8.284408760756822,"endHours":9.284408760756822,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:17","end":"10:17","startHours":9.284408760756822,"endHours":10.284408760756822,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:17","end":"11:17","startHours":10.284408760756822,"endHours":11.284408760756822,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:17","end":"12:17","startHours":11.284408760756822,"endHours":12.284408760756822,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:17","end":"13:17","startHours":12.284408760756822,"endHours":13.284408760756822,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:17","end":"14:17","startHours":13.284408760756822,"endHours":14.284408760756822,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:17","end":"15:17","startHours":14.284408760756822,"endHours":15.284408760756822,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:17","end":"16:17","startHours":15.284408760756822,"endHours":16.284408760756822,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:17","end":"17:17","startHours":16.284408760756822,"endHours":17.284408760756822,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:17","end":"18:17","startHours":17.284408760756822,"endHours":18.284408760756822,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:17","end":"19:17","startHours":18.284408760756822,"endHours":19.284408760756822,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:17","end":"20:17","startHours":19.284408760756822,"endHours":20.284408760756822,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:17","end":"21:17","startHours":20.284408760756822,"endHours":21.284408760756822,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:17","end":"22:17","startHours":21.284408760756822,"endHours":22.284408760756822,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:17","end":"23:17","startHours":22.284408760756822,"endHours":23.284408760756822,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:17","end":"00:17","startHours":23.284408760756822,"endHours":24.284408760756822,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:17","end":"01:17","startHours":24.284408760756822,"endHours":25.284408760756822,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:17","end":"02:17","startHours":25.284408760756822,"endHours":26.284408760756822,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:17","end":"03:17","startHours":26.284408760756822,"endHours":27.284408760756822,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:17","end":"04:17","startHours":27.284408760756822,"endHours":28.284408760756822,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:17","end":"05:17","startHours":28.284408760756822,"endHours":29.284408760756822,"planetary_lord":"Mercury"}],"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":"East (Pūrva)","chandraVasa":"North-West","rahuVasa":"East","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-22.71122854421609,"eotMinutes":-5.452770624163118,"ayanamsa":22.7077}},"calendars":{"vikram_samvat":1975,"vikram_samvatsara":"Prajāpati","saka_samvat":1840,"saka_samvatsara":"Kālayukta","bengali_samvat":1325,"malayalam_era":1094,"nanakshahi_year":449,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Aṣṭamī · Vikram 1975 Prajāpati · Śaka 1840 Kālayukta"},"festivals":[],"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":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Kṛṣṇa Aṣṭamī","url":"/day/-3226-07-09","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 5, 1918 CE · Perth, Australia · Vidhyamitra","description":"January 5, 1918 CE for Perth, Australia: Kṛṣṇa Aṣṭamī, sūryodaya 05:17, sūryāsta 19:27.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1918-01-05","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1918-01-05","sa":"https://sa.vidhyamitra.com/city/perth/1918-01-05","hi":"https://hi.vidhyamitra.com/city/perth/1918-01-05","x-default":"https://vidhyamitra.com/city/perth/1918-01-05"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T17:11:43.714Z","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":"2026-06-01T17:11:43.714Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T17:11:43.714Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}