{"id":"vidhyamitra:city-day:perth:1815-10-23:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1815-10-23","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1815-10-23","date_display":"October 23, 1815 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":1815,"month":10,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2384269.770833,"kali_year":4917,"ahargana":1795804.2708,"sun":{"sidereal_longitude":187.2327,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":65.0682,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":237.8355,"elapsed_within_tithi_degrees":9.8355},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4,"moon_longitude":65.0682,"elapsed_within_degrees":11.7348},"yoga":{"number":19,"name":"Parigha","sum_longitude":252.3009},"karana":{"half_tithi_index":39,"name":"Taitila"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":1815,"month":10,"day":23,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2384269.770833,"ahargana":1795804.2708,"kali_year":4917,"ayanamsa_lahiri":21.28,"grahas":{"sun":{"sidereal_longitude":187.498419,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":64.15481899999997,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false,"latitude":-0.3589},"mars":{"sidereal_longitude":3.0668190000000095,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":214.36881900000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":183.20331899999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":175.147919,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":true},"saturn":{"sidereal_longitude":286.376619,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":69.6477,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":249.6477,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"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":1815,"month":10,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2384269.770833,"kali_year":4917,"ahargana":1795804.2708,"sun":{"sidereal_longitude":187.2327,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":65.0682,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":237.8355,"elapsed_within_tithi_degrees":9.8355},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4,"moon_longitude":65.0682,"elapsed_within_degrees":11.7348},"yoga":{"number":19,"name":"Parigha","sum_longitude":252.3009},"karana":{"half_tithi_index":39,"name":"Taitila"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.359,"elongation":122.165},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.359,"opposition_distance":57.835}},"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":"05:29","sunsetLocal":"18:32","solarNoonLocal":"12:01","dayLengthHours":13.066308865845908,"dayLengthDisplay":"13 Hours 03 Mins 59 Secs","nightLengthDisplay":"10 Hours 56 Mins 01 Secs","moonriseLocal":"22:47","moonsetLocal":"08:48","rahuKala":{"name":"Rāhu Kāla","start":"07:07","end":"08:45","startHours":7.1084769268895585,"endHours":8.741765535120297,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:23","end":"12:01","startHours":10.375054143351036,"endHours":12.008342751581775,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:38","end":"15:16","startHours":13.641631359812514,"endHours":15.27491996804325,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:31","end":"08:58","startHours":8.523993720689532,"endHours":8.959537349551063,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:01","end":"06:22","startHours":6.019617854735733,"endHours":6.368052757824957,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:34","end":"12:27","startHours":11.572799122720243,"endHours":12.443886380443304,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:44","end":"04:36","startHours":3.7330138032126996,"endHours":4.6041010609357595,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:23","end":"05:29","startHours":4.386329246504995,"endHours":5.47518831865882,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:11","end":"15:03","startHours":14.186060895889426,"endHours":15.057148153612486,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:20","end":"18:44","startHours":18.34149718450473,"endHours":18.741497184504727,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:32","end":"19:05","startHours":18.541497184504728,"endHours":19.08592672058164,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:17","end":"20:02","startHours":18.291497184504728,"endHours":20.041497184504728,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:34","end":"00:27","startHours":23.57279912272024,"endHours":24.443886380443303,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:29","end":"07:07","startHours":5.47518831865882,"endHours":7.1084769268895585,"quality":"auspicious"},{"name":"Kāla","start":"07:07","end":"08:45","startHours":7.1084769268895585,"endHours":8.741765535120297,"quality":"inauspicious"},{"name":"Śubha","start":"08:45","end":"10:23","startHours":8.741765535120297,"endHours":10.375054143351036,"quality":"auspicious"},{"name":"Roga","start":"10:23","end":"12:01","startHours":10.375054143351036,"endHours":12.008342751581775,"quality":"inauspicious"},{"name":"Udveg","start":"12:01","end":"13:38","startHours":12.008342751581775,"endHours":13.641631359812514,"quality":"inauspicious"},{"name":"Chala","start":"13:38","end":"15:16","startHours":13.641631359812514,"endHours":15.27491996804325,"quality":"neutral"},{"name":"Labha","start":"15:16","end":"16:54","startHours":15.27491996804325,"endHours":16.90820857627399,"quality":"auspicious"},{"name":"Amṛta","start":"16:54","end":"18:32","startHours":16.90820857627399,"endHours":18.541497184504728,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:32","end":"19:54","startHours":18.541497184504728,"endHours":19.90820857627399,"quality":"neutral"},{"name":"Labha","start":"19:54","end":"21:16","startHours":19.90820857627399,"endHours":21.27491996804325,"quality":"auspicious"},{"name":"Amṛta","start":"21:16","end":"22:38","startHours":21.27491996804325,"endHours":22.641631359812514,"quality":"auspicious"},{"name":"Kāla","start":"22:38","end":"00:01","startHours":22.641631359812514,"endHours":24.008342751581772,"quality":"inauspicious"},{"name":"Śubha","start":"00:01","end":"01:23","startHours":24.008342751581772,"endHours":25.375054143351036,"quality":"auspicious"},{"name":"Roga","start":"01:23","end":"02:45","startHours":25.375054143351036,"endHours":26.741765535120297,"quality":"inauspicious"},{"name":"Udveg","start":"02:45","end":"04:07","startHours":26.741765535120297,"endHours":28.10847692688956,"quality":"inauspicious"},{"name":"Chala","start":"04:07","end":"05:29","startHours":28.10847692688956,"endHours":29.47518831865882,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:29","end":"06:29","startHours":5.47518831865882,"endHours":6.47518831865882,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:29","end":"07:29","startHours":6.47518831865882,"endHours":7.47518831865882,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:29","end":"08:29","startHours":7.47518831865882,"endHours":8.47518831865882,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:29","end":"09:29","startHours":8.47518831865882,"endHours":9.47518831865882,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:29","end":"10:29","startHours":9.47518831865882,"endHours":10.47518831865882,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:29","end":"11:29","startHours":10.47518831865882,"endHours":11.47518831865882,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:29","end":"12:29","startHours":11.47518831865882,"endHours":12.47518831865882,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:29","end":"13:29","startHours":12.47518831865882,"endHours":13.47518831865882,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:29","end":"14:29","startHours":13.47518831865882,"endHours":14.47518831865882,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:29","end":"15:29","startHours":14.47518831865882,"endHours":15.47518831865882,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:29","end":"16:29","startHours":15.47518831865882,"endHours":16.47518831865882,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:29","end":"17:29","startHours":16.47518831865882,"endHours":17.47518831865882,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:29","end":"18:29","startHours":17.47518831865882,"endHours":18.47518831865882,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:29","end":"19:29","startHours":18.47518831865882,"endHours":19.47518831865882,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:29","end":"20:29","startHours":19.47518831865882,"endHours":20.47518831865882,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:29","end":"21:29","startHours":20.47518831865882,"endHours":21.47518831865882,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:29","end":"22:29","startHours":21.47518831865882,"endHours":22.47518831865882,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:29","end":"23:29","startHours":22.47518831865882,"endHours":23.47518831865882,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:29","end":"00:29","startHours":23.47518831865882,"endHours":24.47518831865882,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:29","end":"01:29","startHours":24.47518831865882,"endHours":25.47518831865882,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:29","end":"02:29","startHours":25.47518831865882,"endHours":26.47518831865882,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:29","end":"03:29","startHours":26.47518831865882,"endHours":27.47518831865882,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:29","end":"04:29","startHours":27.47518831865882,"endHours":28.47518831865882,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:29","end":"05:29","startHours":28.47518831865882,"endHours":29.47518831865882,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"tropicalRitu":"Śarad (Autumn)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-11.039038416333023,"eotMinutes":16.057434905093558,"ayanamsa":21.28}},"calendars":{"vikram_samvat":1872,"vikram_samvatsara":"Sarvadhāri","saka_samvat":1737,"saka_samvatsara":"Yuva","bengali_samvat":1222,"malayalam_era":991,"nanakshahi_year":346,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Kārtika","lunar_month_amanta":"Āśvina","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 Kṛṣṇa Pañcamī · Vikram 1872 Sarvadhāri · Śaka 1737 Yuva"},"festivals":[],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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 October 23, 1815 CE · Perth, Australia · Vidhyamitra","description":"October 23, 1815 CE for Perth, Australia: Kṛṣṇa Pañcamī, sūryodaya 05:29, sūryāsta 18:32.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1815-10-23","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1815-10-23","sa":"https://sa.vidhyamitra.com/city/perth/1815-10-23","hi":"https://hi.vidhyamitra.com/city/perth/1815-10-23","x-default":"https://vidhyamitra.com/city/perth/1815-10-23"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-05T05:50:24.772Z","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":"2026-06-05T05:50:24.772Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-05T05:50:24.772Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}