{"id":"vidhyamitra:city-day:perth:1900-10-27:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1900-10-27","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1900-10-27","date_display":"October 27, 1900 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":1900,"month":10,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2415319.770833,"kali_year":5002,"ahargana":1826854.2708,"sun":{"sidereal_longitude":190.2412,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":231.5715,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":41.3303,"elapsed_within_tithi_degrees":5.3303},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2,"moon_longitude":231.5715,"elapsed_within_degrees":4.9048},"yoga":{"number":5,"name":"Śobhana","sum_longitude":61.8127},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"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":1900,"month":10,"day":27,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2415319.770833,"ahargana":1826854.2708,"kali_year":5002,"ayanamsa_lahiri":22.4675,"grahas":{"sun":{"sidereal_longitude":190.70147999999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":229.41578000000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false,"latitude":0.5558},"mars":{"sidereal_longitude":115.86578000000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":215.61617999999999,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":230.41247999999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":149.77447999999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":249.45827999999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":224.4693,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":44.4693,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","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":1900,"month":10,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2415319.770833,"kali_year":5002,"ahargana":1826854.2708,"sun":{"sidereal_longitude":190.2412,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":231.5715,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":41.3303,"elapsed_within_tithi_degrees":5.3303},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2,"moon_longitude":231.5715,"elapsed_within_degrees":4.9048},"yoga":{"number":5,"name":"Śobhana","sum_longitude":61.8127},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.556,"elongation":41.33},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.556,"opposition_distance":138.67}},"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":"05:24","sunsetLocal":"18:36","solarNoonLocal":"12:00","dayLengthHours":13.201270715045737,"dayLengthDisplay":"13 Hours 12 Mins 05 Secs","nightLengthDisplay":"10 Hours 47 Mins 55 Secs","moonriseLocal":"07:33","moonsetLocal":"21:37","rahuKala":{"name":"Rāhu Kāla","start":"08:42","end":"10:21","startHours":8.702973926873312,"endHours":10.353132766254031,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:39","end":"15:18","startHours":13.653450445015466,"endHours":15.303609284396181,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:24","end":"07:03","startHours":5.402656248111879,"endHours":7.052815087492596,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:29","end":"08:55","startHours":8.482952748289218,"endHours":8.922995105457408,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:57","end":"06:18","startHours":5.952709194572118,"endHours":6.304743080306671,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:34","end":"12:27","startHours":11.563249248466555,"endHours":12.443333962802939,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:39","end":"04:31","startHours":3.642486819439114,"endHours":4.522571533775497,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:18","end":"05:24","startHours":4.302550355191401,"endHours":5.402656248111879,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:12","end":"15:05","startHours":14.203503391475703,"endHours":15.083588105812085,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:24","end":"18:48","startHours":18.403926963157616,"endHours":18.803926963157615,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:36","end":"19:09","startHours":18.603926963157615,"endHours":19.153979909617853,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:21","end":"20:06","startHours":18.353926963157615,"endHours":20.103926963157615,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:34","end":"00:27","startHours":23.563249248466555,"endHours":24.44333396280294,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:24","end":"07:03","startHours":5.402656248111879,"endHours":7.052815087492596,"quality":"inauspicious"},{"name":"Śubha","start":"07:03","end":"08:42","startHours":7.052815087492596,"endHours":8.702973926873312,"quality":"auspicious"},{"name":"Roga","start":"08:42","end":"10:21","startHours":8.702973926873312,"endHours":10.353132766254031,"quality":"inauspicious"},{"name":"Udveg","start":"10:21","end":"12:00","startHours":10.353132766254031,"endHours":12.003291605634747,"quality":"inauspicious"},{"name":"Chala","start":"12:00","end":"13:39","startHours":12.003291605634747,"endHours":13.653450445015466,"quality":"neutral"},{"name":"Labha","start":"13:39","end":"15:18","startHours":13.653450445015466,"endHours":15.303609284396181,"quality":"auspicious"},{"name":"Amṛta","start":"15:18","end":"16:57","startHours":15.303609284396181,"endHours":16.9537681237769,"quality":"auspicious"},{"name":"Kāla","start":"16:57","end":"18:36","startHours":16.9537681237769,"endHours":18.603926963157615,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:36","end":"19:57","startHours":18.603926963157615,"endHours":19.953768123776896,"quality":"auspicious"},{"name":"Amṛta","start":"19:57","end":"21:18","startHours":19.953768123776896,"endHours":21.30360928439618,"quality":"auspicious"},{"name":"Kāla","start":"21:18","end":"22:39","startHours":21.30360928439618,"endHours":22.653450445015466,"quality":"inauspicious"},{"name":"Śubha","start":"22:39","end":"00:00","startHours":22.653450445015466,"endHours":24.003291605634747,"quality":"auspicious"},{"name":"Roga","start":"00:00","end":"01:21","startHours":24.003291605634747,"endHours":25.353132766254028,"quality":"inauspicious"},{"name":"Udveg","start":"01:21","end":"02:42","startHours":25.353132766254028,"endHours":26.702973926873312,"quality":"inauspicious"},{"name":"Chala","start":"02:42","end":"04:03","startHours":26.702973926873312,"endHours":28.052815087492597,"quality":"neutral"},{"name":"Labha","start":"04:03","end":"05:24","startHours":28.052815087492597,"endHours":29.402656248111878,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:24","end":"06:24","startHours":5.402656248111879,"endHours":6.402656248111879,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:24","end":"07:24","startHours":6.402656248111879,"endHours":7.402656248111879,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:24","end":"08:24","startHours":7.402656248111879,"endHours":8.402656248111878,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:24","end":"09:24","startHours":8.402656248111878,"endHours":9.402656248111878,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:24","end":"10:24","startHours":9.402656248111878,"endHours":10.402656248111878,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:24","end":"11:24","startHours":10.402656248111878,"endHours":11.402656248111878,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:24","end":"12:24","startHours":11.402656248111878,"endHours":12.402656248111878,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:24","end":"13:24","startHours":12.402656248111878,"endHours":13.402656248111878,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:24","end":"14:24","startHours":13.402656248111878,"endHours":14.402656248111878,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:24","end":"15:24","startHours":14.402656248111878,"endHours":15.402656248111878,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:24","end":"16:24","startHours":15.402656248111878,"endHours":16.402656248111878,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:24","end":"17:24","startHours":16.402656248111878,"endHours":17.402656248111878,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:24","end":"18:24","startHours":17.402656248111878,"endHours":18.402656248111878,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:24","end":"19:24","startHours":18.402656248111878,"endHours":19.402656248111878,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:24","end":"20:24","startHours":19.402656248111878,"endHours":20.402656248111878,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:24","end":"21:24","startHours":20.402656248111878,"endHours":21.402656248111878,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:24","end":"22:24","startHours":21.402656248111878,"endHours":22.402656248111878,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:24","end":"23:24","startHours":22.402656248111878,"endHours":23.402656248111878,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:24","end":"00:24","startHours":23.402656248111878,"endHours":24.402656248111878,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:24","end":"01:24","startHours":24.402656248111878,"endHours":25.402656248111878,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:24","end":"02:24","startHours":25.402656248111878,"endHours":26.402656248111878,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:24","end":"03:24","startHours":26.402656248111878,"endHours":27.402656248111878,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:24","end":"04:24","startHours":27.402656248111878,"endHours":28.402656248111878,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:24","end":"05:24","startHours":28.402656248111878,"endHours":29.402656248111878,"planetary_lord":"Mercury"}],"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":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-East","rahuVasa":"East","anandadiYoga":{"name":"Padma","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-12.568311190223033,"eotMinutes":16.360503661915228,"ayanamsa":22.4675}},"calendars":{"vikram_samvat":1957,"vikram_samvatsara":"Pramādī","saka_samvat":1822,"saka_samvatsara":"Śārvarī","bengali_samvat":1307,"malayalam_era":1076,"nanakshahi_year":431,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Kārtika","lunar_month_amanta":"Kārtika","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Śukla Caturthī · Vikram 1957 Pramādī · Śaka 1822 Śārvarī"},"festivals":[{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"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":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Jyeṣṭhā","url":"/day/-3137-10-20","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 October 27, 1900 CE · Perth, Australia · Vidhyamitra","description":"October 27, 1900 CE for Perth, Australia: Śukla Caturthī, sūryodaya 05:24, sūryāsta 18:36.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1900-10-27","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1900-10-27","sa":"https://sa.vidhyamitra.com/city/perth/1900-10-27","hi":"https://hi.vidhyamitra.com/city/perth/1900-10-27","x-default":"https://vidhyamitra.com/city/perth/1900-10-27"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T22:54:19.888Z","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":"2026-05-31T22:54:19.888Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T22:54:19.888Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}