{"id":"vidhyamitra:city-day:perth:2024-07-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2024-07-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2024-07-18","date_display":"July 18, 2024 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":2024,"month":7,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2460509.770833,"kali_year":5126,"ahargana":1872044.2708,"sun":{"sidereal_longitude":91.2206,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":228.3433,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":137.1227,"elapsed_within_tithi_degrees":5.1227},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1,"moon_longitude":228.3433,"elapsed_within_degrees":1.6767},"yoga":{"number":24,"name":"Śukla","sum_longitude":319.564},"karana":{"half_tithi_index":22,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2024,"month":7,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2460509.770833,"ahargana":1872044.2708,"kali_year":5126,"ayanamsa_lahiri":24.1959,"grahas":{"sun":{"sidereal_longitude":91.72938999999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"moon":{"sidereal_longitude":228.44538999999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false,"latitude":-3.8258},"mars":{"sidereal_longitude":33.496590000000026,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":117.95668999999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":47.57839000000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":103.28849000000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":325.03769,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":350.0856,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":170.0856,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","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":2024,"month":7,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2460509.770833,"kali_year":5126,"ahargana":1872044.2708,"sun":{"sidereal_longitude":91.2206,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":228.3433,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":137.1227,"elapsed_within_tithi_degrees":5.1227},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1,"moon_longitude":228.3433,"elapsed_within_degrees":1.6767},"yoga":{"number":24,"name":"Śukla","sum_longitude":319.564},"karana":{"half_tithi_index":22,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.826,"elongation":137.123},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.826,"opposition_distance":42.877}},"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":"07:13","sunsetLocal":"17:31","solarNoonLocal":"12:22","dayLengthHours":10.301158248081066,"dayLengthDisplay":"10 Hours 18 Mins 04 Secs","nightLengthDisplay":"13 Hours 41 Mins 56 Secs","moonriseLocal":"14:27","moonsetLocal":"04:32","rahuKala":{"name":"Rāhu Kāla","start":"13:40","end":"14:57","startHours":13.661210049685284,"endHours":14.948854830695417,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:13","end":"08:31","startHours":7.222986144634618,"endHours":8.510630925644751,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:48","end":"11:05","startHours":9.798275706654884,"endHours":11.085920487665017,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:38","end":"09:58","startHours":9.626589735853532,"endHours":9.969961677456235,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:39","end":"07:56","startHours":7.652201071637996,"endHours":7.926898624920158,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:02","end":"12:43","startHours":12.030193327072448,"endHours":12.716937210277854,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:51","end":"06:32","startHours":5.849498378223809,"endHours":6.536242261429213,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:22","end":"07:13","startHours":6.3645562906278625,"endHours":7.222986144634618,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:05","end":"14:47","startHours":14.090424976688661,"endHours":14.777168859894065,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:19","end":"17:43","startHours":17.324144392715684,"endHours":17.724144392715683,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:31","end":"17:57","startHours":17.524144392715684,"endHours":17.953359319719063,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:16","end":"19:01","startHours":17.274144392715684,"endHours":19.024144392715684,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:02","end":"00:43","startHours":24.03019332707245,"endHours":24.71693721027785,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:13","end":"08:31","startHours":7.222986144634618,"endHours":8.510630925644751,"quality":"auspicious"},{"name":"Roga","start":"08:31","end":"09:48","startHours":8.510630925644751,"endHours":9.798275706654884,"quality":"inauspicious"},{"name":"Udveg","start":"09:48","end":"11:05","startHours":9.798275706654884,"endHours":11.085920487665017,"quality":"inauspicious"},{"name":"Chala","start":"11:05","end":"12:22","startHours":11.085920487665017,"endHours":12.37356526867515,"quality":"neutral"},{"name":"Labha","start":"12:22","end":"13:40","startHours":12.37356526867515,"endHours":13.661210049685284,"quality":"auspicious"},{"name":"Amṛta","start":"13:40","end":"14:57","startHours":13.661210049685284,"endHours":14.948854830695417,"quality":"auspicious"},{"name":"Kāla","start":"14:57","end":"16:14","startHours":14.948854830695417,"endHours":16.23649961170555,"quality":"inauspicious"},{"name":"Śubha","start":"16:14","end":"17:31","startHours":16.23649961170555,"endHours":17.524144392715684,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:31","end":"19:14","startHours":17.524144392715684,"endHours":19.23649961170555,"quality":"auspicious"},{"name":"Kāla","start":"19:14","end":"20:57","startHours":19.23649961170555,"endHours":20.948854830695417,"quality":"inauspicious"},{"name":"Śubha","start":"20:57","end":"22:40","startHours":20.948854830695417,"endHours":22.661210049685284,"quality":"auspicious"},{"name":"Roga","start":"22:40","end":"00:22","startHours":22.661210049685284,"endHours":24.37356526867515,"quality":"inauspicious"},{"name":"Udveg","start":"00:22","end":"02:05","startHours":24.37356526867515,"endHours":26.085920487665017,"quality":"inauspicious"},{"name":"Chala","start":"02:05","end":"03:48","startHours":26.085920487665017,"endHours":27.798275706654884,"quality":"neutral"},{"name":"Labha","start":"03:48","end":"05:31","startHours":27.798275706654884,"endHours":29.51063092564475,"quality":"auspicious"},{"name":"Amṛta","start":"05:31","end":"07:13","startHours":29.51063092564475,"endHours":31.222986144634618,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:13","end":"08:13","startHours":7.222986144634618,"endHours":8.222986144634618,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:13","end":"09:13","startHours":8.222986144634618,"endHours":9.222986144634618,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:13","end":"10:13","startHours":9.222986144634618,"endHours":10.222986144634618,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:13","end":"11:13","startHours":10.222986144634618,"endHours":11.222986144634618,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:13","end":"12:13","startHours":11.222986144634618,"endHours":12.222986144634618,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:13","end":"13:13","startHours":12.222986144634618,"endHours":13.222986144634618,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:13","end":"14:13","startHours":13.222986144634618,"endHours":14.222986144634618,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:13","end":"15:13","startHours":14.222986144634618,"endHours":15.222986144634618,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:13","end":"16:13","startHours":15.222986144634618,"endHours":16.222986144634618,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:13","end":"17:13","startHours":16.222986144634618,"endHours":17.222986144634618,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:13","end":"18:13","startHours":17.222986144634618,"endHours":18.222986144634618,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:13","end":"19:13","startHours":18.222986144634618,"endHours":19.222986144634618,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:13","end":"20:13","startHours":19.222986144634618,"endHours":20.222986144634618,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:13","end":"21:13","startHours":20.222986144634618,"endHours":21.222986144634618,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:13","end":"22:13","startHours":21.222986144634618,"endHours":22.222986144634618,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:13","end":"23:13","startHours":22.222986144634618,"endHours":23.222986144634618,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:13","end":"00:13","startHours":23.222986144634618,"endHours":24.222986144634618,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:13","end":"01:13","startHours":24.222986144634618,"endHours":25.222986144634618,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:13","end":"02:13","startHours":25.222986144634618,"endHours":26.222986144634618,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:13","end":"03:13","startHours":26.222986144634618,"endHours":27.222986144634618,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:13","end":"04:13","startHours":27.222986144634618,"endHours":28.222986144634618,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:13","end":"05:13","startHours":28.222986144634618,"endHours":29.222986144634618,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:13","end":"06:13","startHours":29.222986144634618,"endHours":30.222986144634618,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:13","end":"07:13","startHours":30.222986144634618,"endHours":31.222986144634618,"planetary_lord":"Moon"}],"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":"South (Dakṣiṇa)","chandraVasa":"North-East","rahuVasa":"North-West","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"drikRitu":"Grīṣma (Summer)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":20.959417791740695,"eotMinutes":-5.85591612050904,"ayanamsa":24.1959}},"calendars":{"vikram_samvat":2081,"vikram_samvatsara":"Piṅgala","saka_samvat":1946,"saka_samvatsara":"Krodhi","bengali_samvat":1431,"malayalam_era":1200,"nanakshahi_year":555,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Dvādaśī · Vikram 2081 Piṅgala · Śaka 1946 Krodhi"},"festivals":[{"id":"karka-sankranti","name":"Karka Saṅkrānti (Dakṣiṇāyana)","name_sanskrit":"कर्क सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Cancer; Dakṣiṇāyana (south-going) begins. Devatā-rātri begins.","vrata":true,"detection":{"sun_rashi":"Karka"},"precedence":2}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 July 18, 2024 CE · Perth, Australia · Vidhyamitra","description":"July 18, 2024 CE for Perth, Australia: Śukla Dvādaśī, sūryodaya 07:13, sūryāsta 17:31.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2024-07-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2024-07-18","sa":"https://sa.vidhyamitra.com/city/perth/2024-07-18","hi":"https://hi.vidhyamitra.com/city/perth/2024-07-18","x-default":"https://vidhyamitra.com/city/perth/2024-07-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T02:38:53.539Z","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":"2026-05-15T02:38:53.539Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T02:38:53.539Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}