{"id":"vidhyamitra:city-day:perth:1939-02-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1939-02-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1939-02-07","date_display":"February 7, 1939 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":1939,"month":2,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2429301.770833,"kali_year":5040,"ahargana":1840836.2708,"sun":{"sidereal_longitude":294.5599,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":150.6286,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":216.0687,"elapsed_within_tithi_degrees":0.0687},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":150.6286,"elapsed_within_degrees":3.962},"yoga":{"number":7,"name":"Sukarma","sum_longitude":85.1886},"karana":{"half_tithi_index":36,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":1939,"month":2,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2429301.770833,"ahargana":1840836.2708,"kali_year":5040,"ayanamsa_lahiri":23.0023,"grahas":{"sun":{"sidereal_longitude":294.3615649999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":152.476765,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false,"latitude":-3.5929},"mars":{"sidereal_longitude":223.06216500000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":286.504865,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":316.153865,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":248.46646499999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":351.190265,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":203.6356,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":23.6356,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","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":1939,"month":2,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2429301.770833,"kali_year":5040,"ahargana":1840836.2708,"sun":{"sidereal_longitude":294.5599,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":150.6286,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":216.0687,"elapsed_within_tithi_degrees":0.0687},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":150.6286,"elapsed_within_degrees":3.962},"yoga":{"number":7,"name":"Sukarma","sum_longitude":85.1886},"karana":{"half_tithi_index":36,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.593,"elongation":143.931},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.593,"opposition_distance":36.069}},"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":"05:47","sunsetLocal":"19:15","solarNoonLocal":"12:31","dayLengthHours":13.477947359679234,"dayLengthDisplay":"13 Hours 28 Mins 41 Secs","nightLengthDisplay":"10 Hours 31 Mins 19 Secs","moonriseLocal":"21:05","moonsetLocal":"09:02","rahuKala":{"name":"Rāhu Kāla","start":"15:53","end":"17:34","startHours":15.885081048409251,"endHours":17.569824468369156,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:09","end":"10:50","startHours":9.146107368569634,"endHours":10.830850788529538,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:31","end":"14:12","startHours":12.515594208489443,"endHours":14.200337628449347,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:55","end":"09:22","startHours":8.92147491257498,"endHours":9.37073982456429,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:20","end":"06:42","startHours":6.3382016686364615,"endHours":6.697613598227908,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:04","end":"12:58","startHours":12.066329296500134,"endHours":12.964859120478751,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:59","end":"04:53","startHours":3.9795608806925955,"endHours":4.8780907046712105,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:39","end":"05:47","startHours":4.653458248676557,"endHours":5.7766205286498264,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:46","end":"15:40","startHours":14.761918768435983,"endHours":15.660448592414598,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:03","end":"19:27","startHours":19.05456788832906,"endHours":19.45456788832906,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:15","end":"19:49","startHours":19.25456788832906,"endHours":19.816149028315696,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:00","end":"20:45","startHours":19.00456788832906,"endHours":20.75456788832906,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:04","end":"00:58","startHours":24.066329296500136,"endHours":24.96485912047875,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:47","end":"07:28","startHours":5.7766205286498264,"endHours":7.461363948609731,"quality":"inauspicious"},{"name":"Udveg","start":"07:28","end":"09:09","startHours":7.461363948609731,"endHours":9.146107368569634,"quality":"inauspicious"},{"name":"Chala","start":"09:09","end":"10:50","startHours":9.146107368569634,"endHours":10.830850788529538,"quality":"neutral"},{"name":"Labha","start":"10:50","end":"12:31","startHours":10.830850788529538,"endHours":12.515594208489443,"quality":"auspicious"},{"name":"Amṛta","start":"12:31","end":"14:12","startHours":12.515594208489443,"endHours":14.200337628449347,"quality":"auspicious"},{"name":"Kāla","start":"14:12","end":"15:53","startHours":14.200337628449347,"endHours":15.885081048409251,"quality":"inauspicious"},{"name":"Śubha","start":"15:53","end":"17:34","startHours":15.885081048409251,"endHours":17.569824468369156,"quality":"auspicious"},{"name":"Roga","start":"17:34","end":"19:15","startHours":17.569824468369156,"endHours":19.25456788832906,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"19:15","end":"20:34","startHours":19.25456788832906,"endHours":20.569824468369156,"quality":"inauspicious"},{"name":"Śubha","start":"20:34","end":"21:53","startHours":20.569824468369156,"endHours":21.88508104840925,"quality":"auspicious"},{"name":"Roga","start":"21:53","end":"23:12","startHours":21.88508104840925,"endHours":23.200337628449347,"quality":"inauspicious"},{"name":"Udveg","start":"23:12","end":"00:31","startHours":23.200337628449347,"endHours":24.515594208489443,"quality":"inauspicious"},{"name":"Chala","start":"00:31","end":"01:50","startHours":24.515594208489443,"endHours":25.83085078852954,"quality":"neutral"},{"name":"Labha","start":"01:50","end":"03:09","startHours":25.83085078852954,"endHours":27.146107368569634,"quality":"auspicious"},{"name":"Amṛta","start":"03:09","end":"04:28","startHours":27.146107368569634,"endHours":28.46136394860973,"quality":"auspicious"},{"name":"Kāla","start":"04:28","end":"05:47","startHours":28.46136394860973,"endHours":29.776620528649826,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:47","end":"06:47","startHours":5.7766205286498264,"endHours":6.7766205286498264,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:47","end":"07:47","startHours":6.7766205286498264,"endHours":7.7766205286498264,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:47","end":"08:47","startHours":7.7766205286498264,"endHours":8.776620528649826,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:47","end":"09:47","startHours":8.776620528649826,"endHours":9.776620528649826,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:47","end":"10:47","startHours":9.776620528649826,"endHours":10.776620528649826,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:47","end":"11:47","startHours":10.776620528649826,"endHours":11.776620528649826,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:47","end":"12:47","startHours":11.776620528649826,"endHours":12.776620528649826,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:47","end":"13:47","startHours":12.776620528649826,"endHours":13.776620528649826,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:47","end":"14:47","startHours":13.776620528649826,"endHours":14.776620528649826,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:47","end":"15:47","startHours":14.776620528649826,"endHours":15.776620528649826,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:47","end":"16:47","startHours":15.776620528649826,"endHours":16.776620528649826,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:47","end":"17:47","startHours":16.776620528649826,"endHours":17.776620528649826,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:47","end":"18:47","startHours":17.776620528649826,"endHours":18.776620528649826,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:47","end":"19:47","startHours":18.776620528649826,"endHours":19.776620528649826,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:47","end":"20:47","startHours":19.776620528649826,"endHours":20.776620528649826,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:47","end":"21:47","startHours":20.776620528649826,"endHours":21.776620528649826,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:47","end":"22:47","startHours":21.776620528649826,"endHours":22.776620528649826,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:47","end":"23:47","startHours":22.776620528649826,"endHours":23.776620528649826,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:47","end":"00:47","startHours":23.776620528649826,"endHours":24.776620528649826,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:47","end":"01:47","startHours":24.776620528649826,"endHours":25.776620528649826,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:47","end":"02:47","startHours":25.776620528649826,"endHours":26.776620528649826,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:47","end":"03:47","startHours":26.776620528649826,"endHours":27.776620528649826,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:47","end":"04:47","startHours":27.776620528649826,"endHours":28.776620528649826,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:47","end":"05:47","startHours":28.776620528649826,"endHours":29.776620528649826,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"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":"North (Uttara)","chandraVasa":"North-West","rahuVasa":"North","anandadiYoga":{"name":"Śubha","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":-15.628574470258558,"eotMinutes":-14.37765250936663,"ayanamsa":23.0023}},"calendars":{"vikram_samvat":1996,"vikram_samvatsara":"Nandana","saka_samvat":1861,"saka_samvatsara":"Pramāthi","bengali_samvat":1346,"malayalam_era":1115,"nanakshahi_year":470,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","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":"Phālguna Kṛṣṇa Caturthī · Vikram 1996 Nandana · Śaka 1861 Pramāthi"},"festivals":[{"id":"angarika-chaturthi","name":"Aṅgāraka Caturthī (Tuesday Caturthī)","name_sanskrit":"अङ्गारक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa + Maṅgala","significance":"Tuesday-Caturthī (rare); supremely auspicious for Maṅgala-doṣa-nivāraṇa.","vrata":true,"detection":{"any_of":[{"tithi_number":4,"vara_name":"Maṅgalavāra (Tuesday)"},{"tithi_number":19,"vara_name":"Maṅgalavāra (Tuesday)"}]},"precedence":3},{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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 7, 1939 CE · Perth, Australia · Vidhyamitra","description":"February 7, 1939 CE for Perth, Australia: Kṛṣṇa Caturthī, sūryodaya 05:47, sūryāsta 19:15.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1939-02-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1939-02-07","sa":"https://sa.vidhyamitra.com/city/perth/1939-02-07","hi":"https://hi.vidhyamitra.com/city/perth/1939-02-07","x-default":"https://vidhyamitra.com/city/perth/1939-02-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T16:42:22.792Z","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":"2026-06-02T16:42:22.792Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T16:42:22.792Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}