{"id":"vidhyamitra:city-day:perth:1825-10-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1825-10-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1825-10-01","date_display":"October 1, 1825 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":1825,"month":10,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2387900.770833,"kali_year":4927,"ahargana":1799435.2708,"sun":{"sidereal_longitude":165.8102,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":31.3779,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":225.5677,"elapsed_within_tithi_degrees":9.5677},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2,"moon_longitude":31.3779,"elapsed_within_degrees":4.7113},"yoga":{"number":15,"name":"Vajra","sum_longitude":197.1881},"karana":{"half_tithi_index":37,"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":1825,"month":10,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2387900.770833,"ahargana":1799435.2708,"kali_year":4927,"ayanamsa_lahiri":21.4188,"grahas":{"sun":{"sidereal_longitude":166.134188,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"moon":{"sidereal_longitude":28.31408799999997,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false,"latitude":1.9627},"mars":{"sidereal_longitude":129.734988,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":150.82088800000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":134.56978800000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":131.126488,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":62.01758799999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":237.2599,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":57.2599,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","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":1825,"month":10,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2387900.770833,"kali_year":4927,"ahargana":1799435.2708,"sun":{"sidereal_longitude":165.8102,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":31.3779,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":225.5677,"elapsed_within_tithi_degrees":9.5677},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2,"moon_longitude":31.3779,"elapsed_within_degrees":4.7113},"yoga":{"number":15,"name":"Vajra","sum_longitude":197.1881},"karana":{"half_tithi_index":37,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.963,"elongation":134.432},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.963,"opposition_distance":45.568}},"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":"05:54","sunsetLocal":"18:17","solarNoonLocal":"12:05","dayLengthHours":12.380652934968587,"dayLengthDisplay":"12 Hours 22 Mins 50 Secs","nightLengthDisplay":"11 Hours 37 Mins 10 Secs","moonriseLocal":"21:37","moonsetLocal":"08:11","rahuKala":{"name":"Rāhu Kāla","start":"09:00","end":"10:33","startHours":8.99467402981478,"endHours":10.542255646685852,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:38","end":"15:11","startHours":13.637418880428001,"endHours":15.185000497299074,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:54","end":"07:27","startHours":5.899510796072633,"endHours":7.447092412943706,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:47","end":"09:12","startHours":8.78832981423197,"endHours":9.20101824539759,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:25","end":"06:45","startHours":6.415371335029658,"endHours":6.745522079962154,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:41","end":"12:30","startHours":11.677148832391307,"endHours":12.502525694722546,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:15","end":"05:04","startHours":4.248757071410155,"endHours":5.074133933741393,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:52","end":"05:54","startHours":4.867789718158583,"endHours":5.899510796072633,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"14:59","startHours":14.153279419385026,"endHours":14.978656281716265,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:05","end":"18:29","startHours":18.08016373104122,"endHours":18.48016373104122,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:17","end":"18:48","startHours":18.28016373104122,"endHours":18.796024269998245,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:02","end":"19:47","startHours":18.03016373104122,"endHours":19.78016373104122,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:41","end":"00:30","startHours":23.677148832391307,"endHours":24.502525694722546,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:54","end":"07:27","startHours":5.899510796072633,"endHours":7.447092412943706,"quality":"inauspicious"},{"name":"Śubha","start":"07:27","end":"09:00","startHours":7.447092412943706,"endHours":8.99467402981478,"quality":"auspicious"},{"name":"Roga","start":"09:00","end":"10:33","startHours":8.99467402981478,"endHours":10.542255646685852,"quality":"inauspicious"},{"name":"Udveg","start":"10:33","end":"12:05","startHours":10.542255646685852,"endHours":12.089837263556927,"quality":"inauspicious"},{"name":"Chala","start":"12:05","end":"13:38","startHours":12.089837263556927,"endHours":13.637418880428001,"quality":"neutral"},{"name":"Labha","start":"13:38","end":"15:11","startHours":13.637418880428001,"endHours":15.185000497299074,"quality":"auspicious"},{"name":"Amṛta","start":"15:11","end":"16:44","startHours":15.185000497299074,"endHours":16.732582114170146,"quality":"auspicious"},{"name":"Kāla","start":"16:44","end":"18:17","startHours":16.732582114170146,"endHours":18.28016373104122,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:17","end":"19:44","startHours":18.28016373104122,"endHours":19.732582114170146,"quality":"auspicious"},{"name":"Amṛta","start":"19:44","end":"21:11","startHours":19.732582114170146,"endHours":21.18500049729907,"quality":"auspicious"},{"name":"Kāla","start":"21:11","end":"22:38","startHours":21.18500049729907,"endHours":22.637418880428,"quality":"inauspicious"},{"name":"Śubha","start":"22:38","end":"00:05","startHours":22.637418880428,"endHours":24.089837263556927,"quality":"auspicious"},{"name":"Roga","start":"00:05","end":"01:33","startHours":24.089837263556927,"endHours":25.542255646685852,"quality":"inauspicious"},{"name":"Udveg","start":"01:33","end":"03:00","startHours":25.542255646685852,"endHours":26.99467402981478,"quality":"inauspicious"},{"name":"Chala","start":"03:00","end":"04:27","startHours":26.99467402981478,"endHours":28.447092412943707,"quality":"neutral"},{"name":"Labha","start":"04:27","end":"05:54","startHours":28.447092412943707,"endHours":29.899510796072633,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:54","end":"06:54","startHours":5.899510796072633,"endHours":6.899510796072633,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:54","end":"07:54","startHours":6.899510796072633,"endHours":7.899510796072633,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:54","end":"08:54","startHours":7.899510796072633,"endHours":8.899510796072633,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:54","end":"09:54","startHours":8.899510796072633,"endHours":9.899510796072633,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:54","end":"10:54","startHours":9.899510796072633,"endHours":10.899510796072633,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:54","end":"11:54","startHours":10.899510796072633,"endHours":11.899510796072633,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:54","end":"12:54","startHours":11.899510796072633,"endHours":12.899510796072633,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:54","end":"13:54","startHours":12.899510796072633,"endHours":13.899510796072633,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:54","end":"14:54","startHours":13.899510796072633,"endHours":14.899510796072633,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:54","end":"15:54","startHours":14.899510796072633,"endHours":15.899510796072633,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:54","end":"16:54","startHours":15.899510796072633,"endHours":16.899510796072633,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:54","end":"17:54","startHours":16.899510796072633,"endHours":17.899510796072633,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:54","end":"18:54","startHours":17.899510796072633,"endHours":18.899510796072633,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:54","end":"19:54","startHours":18.899510796072633,"endHours":19.899510796072633,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:54","end":"20:54","startHours":19.899510796072633,"endHours":20.899510796072633,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:54","end":"21:54","startHours":20.899510796072633,"endHours":21.899510796072633,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:54","end":"22:54","startHours":21.899510796072633,"endHours":22.899510796072633,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:54","end":"23:54","startHours":22.899510796072633,"endHours":23.899510796072633,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:54","end":"00:54","startHours":23.899510796072633,"endHours":24.899510796072633,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:54","end":"01:54","startHours":24.899510796072633,"endHours":25.899510796072633,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:54","end":"02:54","startHours":25.899510796072633,"endHours":26.899510796072633,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:54","end":"03:54","startHours":26.899510796072633,"endHours":27.899510796072633,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:54","end":"04:54","startHours":27.899510796072633,"endHours":28.899510796072633,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:54","end":"05:54","startHours":28.899510796072633,"endHours":29.899510796072633,"planetary_lord":"Mercury"}],"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":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"East","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-2.9967415587606956,"eotMinutes":11.167764186584405,"ayanamsa":21.4188}},"calendars":{"vikram_samvat":1882,"vikram_samvatsara":"Vilambī","saka_samvat":1747,"saka_samvatsara":"Pārthiva","bengali_samvat":1232,"malayalam_era":1001,"nanakshahi_year":356,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Caturthī · Vikram 1882 Vilambī · Śaka 1747 Pārthiva"},"festivals":[{"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":"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":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Kṛttikā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Kṛttikā","url":"/day/-3137-12-25","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 1, 1825 CE · Perth, Australia · Vidhyamitra","description":"October 1, 1825 CE for Perth, Australia: Kṛṣṇa Caturthī, sūryodaya 05:54, sūryāsta 18:17.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1825-10-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1825-10-01","sa":"https://sa.vidhyamitra.com/city/perth/1825-10-01","hi":"https://hi.vidhyamitra.com/city/perth/1825-10-01","x-default":"https://vidhyamitra.com/city/perth/1825-10-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-04T18:52:23.682Z","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":"2026-06-04T18:52:23.682Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-04T18:52:23.682Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}