{"id":"vidhyamitra:city-day:perth:1952-02-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1952-02-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1952-02-01","date_display":"February 1, 1952 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":1952,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2434043.770833,"kali_year":5053,"ahargana":1845578.2708,"sun":{"sidereal_longitude":288.066,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":353.9922,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":65.9263,"elapsed_within_tithi_degrees":5.9263},"nakshatra":{"number":27,"name":"Revatī","pada":3,"moon_longitude":353.9922,"elapsed_within_degrees":7.3255},"yoga":{"number":22,"name":"Sādhya","sum_longitude":282.0582},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":1952,"month":2,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2434043.770833,"ahargana":1845578.2708,"kali_year":5053,"ayanamsa_lahiri":23.1836,"grahas":{"sun":{"sidereal_longitude":287.93878599999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"moon":{"sidereal_longitude":356.481286,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false,"latitude":2.9866},"mars":{"sidereal_longitude":192.726586,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":274.370586,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":347.824086,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":252.80938600000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":172.05658599999992,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":312.3817,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":132.3817,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","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":1952,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2434043.770833,"kali_year":5053,"ahargana":1845578.2708,"sun":{"sidereal_longitude":288.066,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":353.9922,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":65.9263,"elapsed_within_tithi_degrees":5.9263},"nakshatra":{"number":27,"name":"Revatī","pada":3,"moon_longitude":353.9922,"elapsed_within_degrees":7.3255},"yoga":{"number":22,"name":"Sādhya","sum_longitude":282.0582},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.987,"elongation":65.926},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.987,"opposition_distance":114.074}},"eclipse_window_40days":[{"offset_days":10,"type":"lunar","occurs":true,"moon_latitude":1.009,"opposition_distance":0.622}]},"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":"05:41","sunsetLocal":"19:20","solarNoonLocal":"12:30","dayLengthHours":13.646147575946665,"dayLengthDisplay":"13 Hours 38 Mins 46 Secs","nightLengthDisplay":"10 Hours 21 Mins 14 Secs","moonriseLocal":"11:21","moonsetLocal":"22:48","rahuKala":{"name":"Rāhu Kāla","start":"10:48","end":"12:30","startHours":10.798354021629928,"endHours":12.504122468623262,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:55","end":"17:37","startHours":15.915659362609928,"endHours":17.62142780960326,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:23","end":"09:06","startHours":7.386817127643261,"endHours":9.092585574636594,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:52","end":"09:19","startHours":8.865149781704151,"endHours":9.320021367569039,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:15","end":"06:37","startHours":6.249638162981039,"endHours":6.61353543167295,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:03","end":"12:58","startHours":12.049250882758372,"endHours":12.958994054488148,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:52","end":"04:46","startHours":3.8615623371903727,"endHours":4.77130550892015,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:33","end":"05:41","startHours":4.5438697159877055,"endHours":5.681048680649928,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:47","end":"15:41","startHours":14.778480397947705,"endHours":15.688223569677483,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:08","end":"19:32","startHours":19.127196256596594,"endHours":19.527196256596593,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:20","end":"19:54","startHours":19.327196256596594,"endHours":19.895785738927703,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:05","end":"20:50","startHours":19.077196256596594,"endHours":20.827196256596594,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:03","end":"00:58","startHours":24.04925088275837,"endHours":24.958994054488148,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:41","end":"07:23","startHours":5.681048680649928,"endHours":7.386817127643261,"quality":"neutral"},{"name":"Labha","start":"07:23","end":"09:06","startHours":7.386817127643261,"endHours":9.092585574636594,"quality":"auspicious"},{"name":"Amṛta","start":"09:06","end":"10:48","startHours":9.092585574636594,"endHours":10.798354021629928,"quality":"auspicious"},{"name":"Kāla","start":"10:48","end":"12:30","startHours":10.798354021629928,"endHours":12.504122468623262,"quality":"inauspicious"},{"name":"Śubha","start":"12:30","end":"14:13","startHours":12.504122468623262,"endHours":14.209890915616594,"quality":"auspicious"},{"name":"Roga","start":"14:13","end":"15:55","startHours":14.209890915616594,"endHours":15.915659362609928,"quality":"inauspicious"},{"name":"Udveg","start":"15:55","end":"17:37","startHours":15.915659362609928,"endHours":17.62142780960326,"quality":"inauspicious"},{"name":"Chala","start":"17:37","end":"19:20","startHours":17.62142780960326,"endHours":19.327196256596594,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"19:20","end":"20:37","startHours":19.327196256596594,"endHours":20.62142780960326,"quality":"inauspicious"},{"name":"Udveg","start":"20:37","end":"21:55","startHours":20.62142780960326,"endHours":21.915659362609926,"quality":"inauspicious"},{"name":"Chala","start":"21:55","end":"23:13","startHours":21.915659362609926,"endHours":23.209890915616594,"quality":"neutral"},{"name":"Labha","start":"23:13","end":"00:30","startHours":23.209890915616594,"endHours":24.50412246862326,"quality":"auspicious"},{"name":"Amṛta","start":"00:30","end":"01:48","startHours":24.50412246862326,"endHours":25.798354021629926,"quality":"auspicious"},{"name":"Kāla","start":"01:48","end":"03:06","startHours":25.798354021629926,"endHours":27.092585574636594,"quality":"inauspicious"},{"name":"Śubha","start":"03:06","end":"04:23","startHours":27.092585574636594,"endHours":28.386817127643262,"quality":"auspicious"},{"name":"Roga","start":"04:23","end":"05:41","startHours":28.386817127643262,"endHours":29.68104868064993,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:41","end":"06:41","startHours":5.681048680649928,"endHours":6.681048680649928,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:41","end":"07:41","startHours":6.681048680649928,"endHours":7.681048680649928,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:41","end":"08:41","startHours":7.681048680649928,"endHours":8.681048680649928,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:41","end":"09:41","startHours":8.681048680649928,"endHours":9.681048680649928,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:41","end":"10:41","startHours":9.681048680649928,"endHours":10.681048680649928,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:41","end":"11:41","startHours":10.681048680649928,"endHours":11.681048680649928,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:41","end":"12:41","startHours":11.681048680649928,"endHours":12.681048680649928,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:41","end":"13:41","startHours":12.681048680649928,"endHours":13.681048680649928,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:41","end":"14:41","startHours":13.681048680649928,"endHours":14.681048680649928,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:41","end":"15:41","startHours":14.681048680649928,"endHours":15.681048680649928,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:41","end":"16:41","startHours":15.681048680649928,"endHours":16.68104868064993,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:41","end":"17:41","startHours":16.68104868064993,"endHours":17.68104868064993,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:41","end":"18:41","startHours":17.68104868064993,"endHours":18.68104868064993,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:41","end":"19:41","startHours":18.68104868064993,"endHours":19.68104868064993,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:41","end":"20:41","startHours":19.68104868064993,"endHours":20.68104868064993,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:41","end":"21:41","startHours":20.68104868064993,"endHours":21.68104868064993,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:41","end":"22:41","startHours":21.68104868064993,"endHours":22.68104868064993,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:41","end":"23:41","startHours":22.68104868064993,"endHours":23.68104868064993,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:41","end":"00:41","startHours":23.68104868064993,"endHours":24.68104868064993,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:41","end":"01:41","startHours":24.68104868064993,"endHours":25.68104868064993,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:41","end":"02:41","startHours":25.68104868064993,"endHours":26.68104868064993,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:41","end":"03:41","startHours":26.68104868064993,"endHours":27.68104868064993,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:41","end":"04:41","startHours":27.68104868064993,"endHours":28.68104868064993,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:41","end":"05:41","startHours":28.68104868064993,"endHours":29.68104868064993,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"South-East","anandadiYoga":{"name":"Siddhi","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":-17.43444728267625,"eotMinutes":-13.689348117395623,"ayanamsa":23.1836}},"calendars":{"vikram_samvat":2009,"vikram_samvatsara":"Viśvāvasu","saka_samvat":1874,"saka_samvatsara":"Nandana","bengali_samvat":1359,"malayalam_era":1128,"nanakshahi_year":483,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Ṣaṣṭhī · Vikram 2009 Viśvāvasu · Śaka 1874 Nandana"},"festivals":[],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 February 1, 1952 CE · Perth, Australia · Vidhyamitra","description":"February 1, 1952 CE for Perth, Australia: Śukla Ṣaṣṭhī, sūryodaya 05:41, sūryāsta 19:20.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1952-02-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1952-02-01","sa":"https://sa.vidhyamitra.com/city/perth/1952-02-01","hi":"https://hi.vidhyamitra.com/city/perth/1952-02-01","x-default":"https://vidhyamitra.com/city/perth/1952-02-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T00:14:19.066Z","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":"2026-05-31T00:14:19.066Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T00:14:19.066Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}