{"id":"vidhyamitra:city-day:perth:1939-08-27:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1939-08-27","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1939-08-27","date_display":"August 27, 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":8,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2429502.770833,"kali_year":5041,"ahargana":1841037.2708,"sun":{"sidereal_longitude":129.345,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":276.6297,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":147.2847,"elapsed_within_tithi_degrees":3.2847},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3,"moon_longitude":276.6297,"elapsed_within_degrees":9.963},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":45.9747},"karana":{"half_tithi_index":24,"name":"Kaulava"},"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":1939,"month":8,"day":27,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2429502.770833,"ahargana":1841037.2708,"kali_year":5041,"ayanamsa_lahiri":23.01,"grahas":{"sun":{"sidereal_longitude":129.86668600000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":278.37538599999993,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false,"latitude":4.4723},"mars":{"sidereal_longitude":271.80278599999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":112.576186,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":345.165186,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":128.056286,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":8.546086000000003,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":192.9857,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":12.9857,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","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":8,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2429502.770833,"kali_year":5041,"ahargana":1841037.2708,"sun":{"sidereal_longitude":129.345,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":276.6297,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":147.2847,"elapsed_within_tithi_degrees":3.2847},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3,"moon_longitude":276.6297,"elapsed_within_degrees":9.963},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":45.9747},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.472,"elongation":147.285},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.472,"opposition_distance":32.715}},"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":"06:40","sunsetLocal":"17:55","solarNoonLocal":"12:18","dayLengthHours":11.25340908034918,"dayLengthDisplay":"11 Hours 15 Mins 12 Secs","nightLengthDisplay":"12 Hours 44 Mins 48 Secs","moonriseLocal":"15:17","moonsetLocal":"05:07","rahuKala":{"name":"Rāhu Kāla","start":"16:31","end":"17:55","startHours":16.51460284706876,"endHours":17.921278982112405,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:18","end":"13:42","startHours":12.294574441937815,"endHours":13.701250576981462,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:06","end":"16:31","startHours":15.107926712025108,"endHours":16.51460284706876,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:18","end":"09:40","startHours":9.2936653538447,"endHours":9.668778989856339,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:08","end":"07:26","startHours":7.136761946777773,"endHours":7.436852855587085,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:55","end":"12:40","startHours":11.919460805926176,"endHours":12.669688077949454,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:10","end":"05:55","startHours":5.167415357716667,"endHours":5.917642629739946,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:44","end":"06:40","startHours":5.730085811734126,"endHours":6.667869901763225,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:55","startHours":14.17014262199601,"endHours":14.92036989401929,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:43","end":"18:07","startHours":17.721278982112405,"endHours":18.121278982112404,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:55","end":"18:23","startHours":17.921278982112405,"endHours":18.390171027126954,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:40","end":"19:25","startHours":17.671278982112405,"endHours":19.421278982112405,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:55","end":"00:40","startHours":23.919460805926175,"endHours":24.669688077949456,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:40","end":"08:04","startHours":6.667869901763225,"endHours":8.074546036806872,"quality":"inauspicious"},{"name":"Chala","start":"08:04","end":"09:29","startHours":8.074546036806872,"endHours":9.481222171850519,"quality":"neutral"},{"name":"Labha","start":"09:29","end":"10:53","startHours":9.481222171850519,"endHours":10.887898306894167,"quality":"auspicious"},{"name":"Amṛta","start":"10:53","end":"12:18","startHours":10.887898306894167,"endHours":12.294574441937815,"quality":"auspicious"},{"name":"Kāla","start":"12:18","end":"13:42","startHours":12.294574441937815,"endHours":13.701250576981462,"quality":"inauspicious"},{"name":"Śubha","start":"13:42","end":"15:06","startHours":13.701250576981462,"endHours":15.107926712025108,"quality":"auspicious"},{"name":"Roga","start":"15:06","end":"16:31","startHours":15.107926712025108,"endHours":16.51460284706876,"quality":"inauspicious"},{"name":"Udveg","start":"16:31","end":"17:55","startHours":16.51460284706876,"endHours":17.921278982112405,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:55","end":"19:31","startHours":17.921278982112405,"endHours":19.51460284706876,"quality":"auspicious"},{"name":"Roga","start":"19:31","end":"21:06","startHours":19.51460284706876,"endHours":21.10792671202511,"quality":"inauspicious"},{"name":"Udveg","start":"21:06","end":"22:42","startHours":21.10792671202511,"endHours":22.70125057698146,"quality":"inauspicious"},{"name":"Chala","start":"22:42","end":"00:18","startHours":22.70125057698146,"endHours":24.294574441937815,"quality":"neutral"},{"name":"Labha","start":"00:18","end":"01:53","startHours":24.294574441937815,"endHours":25.88789830689417,"quality":"auspicious"},{"name":"Amṛta","start":"01:53","end":"03:29","startHours":25.88789830689417,"endHours":27.48122217185052,"quality":"auspicious"},{"name":"Kāla","start":"03:29","end":"05:04","startHours":27.48122217185052,"endHours":29.074546036806872,"quality":"inauspicious"},{"name":"Śubha","start":"05:04","end":"06:40","startHours":29.074546036806872,"endHours":30.667869901763225,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:40","end":"07:40","startHours":6.667869901763225,"endHours":7.667869901763225,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:40","end":"08:40","startHours":7.667869901763225,"endHours":8.667869901763225,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:40","end":"09:40","startHours":8.667869901763225,"endHours":9.667869901763225,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:40","end":"10:40","startHours":9.667869901763225,"endHours":10.667869901763225,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:40","end":"11:40","startHours":10.667869901763225,"endHours":11.667869901763225,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:40","end":"12:40","startHours":11.667869901763225,"endHours":12.667869901763225,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:40","end":"13:40","startHours":12.667869901763225,"endHours":13.667869901763225,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:40","end":"14:40","startHours":13.667869901763225,"endHours":14.667869901763225,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:40","end":"15:40","startHours":14.667869901763225,"endHours":15.667869901763225,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:40","end":"16:40","startHours":15.667869901763225,"endHours":16.667869901763225,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:40","end":"17:40","startHours":16.667869901763225,"endHours":17.667869901763225,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:40","end":"18:40","startHours":17.667869901763225,"endHours":18.667869901763225,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:40","end":"19:40","startHours":18.667869901763225,"endHours":19.667869901763225,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:40","end":"20:40","startHours":19.667869901763225,"endHours":20.667869901763225,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:40","end":"21:40","startHours":20.667869901763225,"endHours":21.667869901763225,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:40","end":"22:40","startHours":21.667869901763225,"endHours":22.667869901763225,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:40","end":"23:40","startHours":22.667869901763225,"endHours":23.667869901763225,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:40","end":"00:40","startHours":23.667869901763225,"endHours":24.667869901763225,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:40","end":"01:40","startHours":24.667869901763225,"endHours":25.667869901763225,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:40","end":"02:40","startHours":25.667869901763225,"endHours":26.667869901763225,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:40","end":"03:40","startHours":26.667869901763225,"endHours":27.667869901763225,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:40","end":"04:40","startHours":27.667869901763225,"endHours":28.667869901763225,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:40","end":"05:40","startHours":28.667869901763225,"endHours":29.667869901763225,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:40","end":"06:40","startHours":29.667869901763225,"endHours":30.667869901763225,"planetary_lord":"Jupiter"}],"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","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Amṛta","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":10.447183009410631,"eotMinutes":-1.116466516268853,"ayanamsa":23.01}},"calendars":{"vikram_samvat":1996,"vikram_samvatsara":"Nandana","saka_samvat":1861,"saka_samvatsara":"Pramāthi","bengali_samvat":1346,"malayalam_era":1115,"nanakshahi_year":470,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Trayodaśī · Vikram 1996 Nandana · Śaka 1861 Pramāthi"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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":[]},"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 August 27, 1939 CE · Perth, Australia · Vidhyamitra","description":"August 27, 1939 CE for Perth, Australia: Śukla Trayodaśī, sūryodaya 06:40, sūryāsta 17:55.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1939-08-27","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1939-08-27","sa":"https://sa.vidhyamitra.com/city/perth/1939-08-27","hi":"https://hi.vidhyamitra.com/city/perth/1939-08-27","x-default":"https://vidhyamitra.com/city/perth/1939-08-27"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T04:20:14.349Z","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":"2026-06-03T04:20:14.349Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T04:20:14.349Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}