{"id":"vidhyamitra:city-day:perth:1818-07-24:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1818-07-24","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1818-07-24","date_display":"July 24, 1818 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":1818,"month":7,"day":24,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2385274.770833,"kali_year":4920,"ahargana":1796809.2708,"sun":{"sidereal_longitude":99.0956,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":356.1149,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":257.0193,"elapsed_within_tithi_degrees":5.0193},"nakshatra":{"number":27,"name":"Revatī","pada":3,"moon_longitude":356.1149,"elapsed_within_degrees":9.4482},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":95.2105},"karana":{"half_tithi_index":42,"name":"Viṣṭi"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":1818,"month":7,"day":24,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2385274.770833,"ahargana":1796809.2708,"kali_year":4920,"ayanamsa_lahiri":21.3184,"grahas":{"sun":{"sidereal_longitude":99.16041999999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"moon":{"sidereal_longitude":357.80292,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false,"latitude":-1.5586},"mars":{"sidereal_longitude":139.03571999999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":109.26092,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":256.14702,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":135.65322000000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":328.22101999999995,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":16.398,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":196.398,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","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":1818,"month":7,"day":24,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2385274.770833,"kali_year":4920,"ahargana":1796809.2708,"sun":{"sidereal_longitude":99.0956,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":356.1149,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":257.0193,"elapsed_within_tithi_degrees":5.0193},"nakshatra":{"number":27,"name":"Revatī","pada":3,"moon_longitude":356.1149,"elapsed_within_degrees":9.4482},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":95.2105},"karana":{"half_tithi_index":42,"name":"Viṣṭi"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.559,"elongation":102.981},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.559,"opposition_distance":77.019}},"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":"07:11","sunsetLocal":"17:34","solarNoonLocal":"12:23","dayLengthHours":10.388968814054724,"dayLengthDisplay":"10 Hours 23 Mins 20 Secs","nightLengthDisplay":"13 Hours 36 Mins 40 Secs","moonriseLocal":"23:53","moonsetLocal":"11:21","rahuKala":{"name":"Rāhu Kāla","start":"11:05","end":"12:23","startHours":11.080015064761799,"endHours":12.378636166518639,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:59","end":"16:16","startHours":14.975878370032321,"endHours":16.274499471789163,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:29","end":"09:47","startHours":8.482772861248119,"endHours":9.781393963004959,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:36","end":"09:57","startHours":9.608244482770713,"endHours":9.954543443239205,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:37","end":"07:54","startHours":7.617025460076891,"endHours":7.894064628451684,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:02","end":"12:43","startHours":12.03233720605015,"endHours":12.724935126987132,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:48","end":"06:29","startHours":5.798955917617315,"endHours":6.491553838554296,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:19","end":"07:11","startHours":6.318404358320051,"endHours":7.184151759491278,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:07","end":"14:48","startHours":14.110130968861093,"endHours":14.802728889798074,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:22","end":"17:46","startHours":17.373120573546004,"endHours":17.773120573546002,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:34","end":"18:00","startHours":17.573120573546003,"endHours":18.005994274131616,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:19","end":"19:04","startHours":17.323120573546003,"endHours":19.073120573546003,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:02","end":"00:43","startHours":24.032337206050148,"endHours":24.72493512698713,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:11","end":"08:29","startHours":7.184151759491278,"endHours":8.482772861248119,"quality":"neutral"},{"name":"Labha","start":"08:29","end":"09:47","startHours":8.482772861248119,"endHours":9.781393963004959,"quality":"auspicious"},{"name":"Amṛta","start":"09:47","end":"11:05","startHours":9.781393963004959,"endHours":11.080015064761799,"quality":"auspicious"},{"name":"Kāla","start":"11:05","end":"12:23","startHours":11.080015064761799,"endHours":12.378636166518639,"quality":"inauspicious"},{"name":"Śubha","start":"12:23","end":"13:41","startHours":12.378636166518639,"endHours":13.67725726827548,"quality":"auspicious"},{"name":"Roga","start":"13:41","end":"14:59","startHours":13.67725726827548,"endHours":14.975878370032321,"quality":"inauspicious"},{"name":"Udveg","start":"14:59","end":"16:16","startHours":14.975878370032321,"endHours":16.274499471789163,"quality":"inauspicious"},{"name":"Chala","start":"16:16","end":"17:34","startHours":16.274499471789163,"endHours":17.573120573546003,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:34","end":"19:16","startHours":17.573120573546003,"endHours":19.274499471789163,"quality":"inauspicious"},{"name":"Udveg","start":"19:16","end":"20:59","startHours":19.274499471789163,"endHours":20.975878370032323,"quality":"inauspicious"},{"name":"Chala","start":"20:59","end":"22:41","startHours":20.975878370032323,"endHours":22.677257268275483,"quality":"neutral"},{"name":"Labha","start":"22:41","end":"00:23","startHours":22.677257268275483,"endHours":24.37863616651864,"quality":"auspicious"},{"name":"Amṛta","start":"00:23","end":"02:05","startHours":24.37863616651864,"endHours":26.080015064761803,"quality":"auspicious"},{"name":"Kāla","start":"02:05","end":"03:47","startHours":26.080015064761803,"endHours":27.78139396300496,"quality":"inauspicious"},{"name":"Śubha","start":"03:47","end":"05:29","startHours":27.78139396300496,"endHours":29.48277286124812,"quality":"auspicious"},{"name":"Roga","start":"05:29","end":"07:11","startHours":29.48277286124812,"endHours":31.18415175949128,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:11","end":"08:11","startHours":7.184151759491278,"endHours":8.184151759491279,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:11","end":"09:11","startHours":8.184151759491279,"endHours":9.184151759491279,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:11","end":"10:11","startHours":9.184151759491279,"endHours":10.184151759491279,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:11","end":"11:11","startHours":10.184151759491279,"endHours":11.184151759491279,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:11","end":"12:11","startHours":11.184151759491279,"endHours":12.184151759491279,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:11","end":"13:11","startHours":12.184151759491279,"endHours":13.184151759491279,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:11","end":"14:11","startHours":13.184151759491279,"endHours":14.184151759491279,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:11","end":"15:11","startHours":14.184151759491279,"endHours":15.184151759491279,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:11","end":"16:11","startHours":15.184151759491279,"endHours":16.18415175949128,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:11","end":"17:11","startHours":16.18415175949128,"endHours":17.18415175949128,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:11","end":"18:11","startHours":17.18415175949128,"endHours":18.18415175949128,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:11","end":"19:11","startHours":18.18415175949128,"endHours":19.18415175949128,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:11","end":"20:11","startHours":19.18415175949128,"endHours":20.18415175949128,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:11","end":"21:11","startHours":20.18415175949128,"endHours":21.18415175949128,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:11","end":"22:11","startHours":21.18415175949128,"endHours":22.18415175949128,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:11","end":"23:11","startHours":22.18415175949128,"endHours":23.18415175949128,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:11","end":"00:11","startHours":23.18415175949128,"endHours":24.18415175949128,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:11","end":"01:11","startHours":24.18415175949128,"endHours":25.18415175949128,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:11","end":"02:11","startHours":25.18415175949128,"endHours":26.18415175949128,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:11","end":"03:11","startHours":26.18415175949128,"endHours":27.18415175949128,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:11","end":"04:11","startHours":27.18415175949128,"endHours":28.18415175949128,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:11","end":"05:11","startHours":28.18415175949128,"endHours":29.18415175949128,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:11","end":"06:11","startHours":29.18415175949128,"endHours":30.18415175949128,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:11","end":"07:11","startHours":30.18415175949128,"endHours":31.18415175949128,"planetary_lord":"Mars"}],"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":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"South-East","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":20.045879113151177,"eotMinutes":-6.160169991118456,"ayanamsa":21.3184}},"calendars":{"vikram_samvat":1875,"vikram_samvatsara":"Khara","saka_samvat":1740,"saka_samvatsara":"Bahudhānya","bengali_samvat":1225,"malayalam_era":994,"nanakshahi_year":349,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Āṣāḍha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Kṛṣṇa Saptamī · Vikram 1875 Khara · Śaka 1740 Bahudhānya"},"festivals":[],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 July 24, 1818 CE · Perth, Australia · Vidhyamitra","description":"July 24, 1818 CE for Perth, Australia: Kṛṣṇa Saptamī, sūryodaya 07:11, sūryāsta 17:34.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1818-07-24","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1818-07-24","sa":"https://sa.vidhyamitra.com/city/perth/1818-07-24","hi":"https://hi.vidhyamitra.com/city/perth/1818-07-24","x-default":"https://vidhyamitra.com/city/perth/1818-07-24"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-07T12:10:42.907Z","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":"2026-06-07T12:10:42.907Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-07T12:10:42.907Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}