{"id":"vidhyamitra:city-day:perth:2021-07-10:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2021-07-10","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2021-07-10","date_display":"July 10, 2021 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":2021,"month":7,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2459405.770833,"kali_year":5123,"ahargana":1870940.2708,"sun":{"sidereal_longitude":83.432,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":83.5175,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":0.0854,"elapsed_within_tithi_degrees":0.0854},"nakshatra":{"number":7,"name":"Punarvasu","pada":2,"moon_longitude":83.5175,"elapsed_within_degrees":3.5175},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":166.9495},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"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":2021,"month":7,"day":10,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2459405.770833,"ahargana":1870940.2708,"kali_year":5123,"ayanamsa_lahiri":24.1536,"grahas":{"sun":{"sidereal_longitude":83.878871,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"moon":{"sidereal_longitude":83.71327100000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false,"latitude":2.5752},"mars":{"sidereal_longitude":113.15667099999996,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":62.91537099999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":307.398771,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":111.12037099999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":287.7023710000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":48.5809,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":228.5809,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"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":2021,"month":7,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2459405.770833,"kali_year":5123,"ahargana":1870940.2708,"sun":{"sidereal_longitude":83.432,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":83.5175,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":0.0854,"elapsed_within_tithi_degrees":0.0854},"nakshatra":{"number":7,"name":"Punarvasu","pada":2,"moon_longitude":83.5175,"elapsed_within_degrees":3.5175},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":166.9495},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.575,"elongation":0.085},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.575,"opposition_distance":179.915}},"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":"07:16","sunsetLocal":"17:27","solarNoonLocal":"12:22","dayLengthHours":10.177678674896544,"dayLengthDisplay":"10 Hours 10 Mins 40 Secs","nightLengthDisplay":"13 Hours 49 Mins 20 Secs","moonriseLocal":"07:17","moonsetLocal":"17:25","rahuKala":{"name":"Rāhu Kāla","start":"09:49","end":"11:05","startHours":9.8144156891254,"endHours":11.08662552348747,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:38","end":"14:54","startHours":13.631045192211605,"endHours":14.903255026573675,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:16","end":"08:33","startHours":7.2699960204012655,"endHours":8.542205854763333,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:39","end":"09:59","startHours":9.644787711210459,"endHours":9.984043667040345,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:42","end":"07:58","startHours":7.694065965188622,"endHours":7.965470729852529,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:01","end":"12:42","startHours":12.019579402019653,"endHours":12.698091313679422,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:55","end":"06:35","startHours":5.912972197081726,"endHours":6.591484108741496,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:25","end":"07:16","startHours":6.421856130826553,"endHours":7.2699960204012655,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:03","end":"14:44","startHours":14.055115136998962,"endHours":14.733627048658732,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:15","end":"17:39","startHours":17.24767469529781,"endHours":17.64767469529781,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:27","end":"17:52","startHours":17.44767469529781,"endHours":17.871744640085165,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:12","end":"18:57","startHours":17.19767469529781,"endHours":18.94767469529781,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:01","end":"00:42","startHours":24.01957940201965,"endHours":24.69809131367942,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:16","end":"08:33","startHours":7.2699960204012655,"endHours":8.542205854763333,"quality":"inauspicious"},{"name":"Śubha","start":"08:33","end":"09:49","startHours":8.542205854763333,"endHours":9.8144156891254,"quality":"auspicious"},{"name":"Roga","start":"09:49","end":"11:05","startHours":9.8144156891254,"endHours":11.08662552348747,"quality":"inauspicious"},{"name":"Udveg","start":"11:05","end":"12:22","startHours":11.08662552348747,"endHours":12.358835357849538,"quality":"inauspicious"},{"name":"Chala","start":"12:22","end":"13:38","startHours":12.358835357849538,"endHours":13.631045192211605,"quality":"neutral"},{"name":"Labha","start":"13:38","end":"14:54","startHours":13.631045192211605,"endHours":14.903255026573675,"quality":"auspicious"},{"name":"Amṛta","start":"14:54","end":"16:11","startHours":14.903255026573675,"endHours":16.17546486093574,"quality":"auspicious"},{"name":"Kāla","start":"16:11","end":"17:27","startHours":16.17546486093574,"endHours":17.44767469529781,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:27","end":"19:11","startHours":17.44767469529781,"endHours":19.17546486093574,"quality":"auspicious"},{"name":"Amṛta","start":"19:11","end":"20:54","startHours":19.17546486093574,"endHours":20.903255026573675,"quality":"auspicious"},{"name":"Kāla","start":"20:54","end":"22:38","startHours":20.903255026573675,"endHours":22.631045192211605,"quality":"inauspicious"},{"name":"Śubha","start":"22:38","end":"00:22","startHours":22.631045192211605,"endHours":24.358835357849536,"quality":"auspicious"},{"name":"Roga","start":"00:22","end":"02:05","startHours":24.358835357849536,"endHours":26.08662552348747,"quality":"inauspicious"},{"name":"Udveg","start":"02:05","end":"03:49","startHours":26.08662552348747,"endHours":27.8144156891254,"quality":"inauspicious"},{"name":"Chala","start":"03:49","end":"05:33","startHours":27.8144156891254,"endHours":29.54220585476333,"quality":"neutral"},{"name":"Labha","start":"05:33","end":"07:16","startHours":29.54220585476333,"endHours":31.269996020401265,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:16","end":"08:16","startHours":7.2699960204012655,"endHours":8.269996020401265,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:16","end":"09:16","startHours":8.269996020401265,"endHours":9.269996020401265,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:16","end":"10:16","startHours":9.269996020401265,"endHours":10.269996020401265,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:16","end":"11:16","startHours":10.269996020401265,"endHours":11.269996020401265,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:16","end":"12:16","startHours":11.269996020401265,"endHours":12.269996020401265,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:16","end":"13:16","startHours":12.269996020401265,"endHours":13.269996020401265,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:16","end":"14:16","startHours":13.269996020401265,"endHours":14.269996020401265,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:16","end":"15:16","startHours":14.269996020401265,"endHours":15.269996020401265,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:16","end":"16:16","startHours":15.269996020401265,"endHours":16.269996020401265,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:16","end":"17:16","startHours":16.269996020401265,"endHours":17.269996020401265,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:16","end":"18:16","startHours":17.269996020401265,"endHours":18.269996020401265,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:16","end":"19:16","startHours":18.269996020401265,"endHours":19.269996020401265,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:16","end":"20:16","startHours":19.269996020401265,"endHours":20.269996020401265,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:16","end":"21:16","startHours":20.269996020401265,"endHours":21.269996020401265,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:16","end":"22:16","startHours":21.269996020401265,"endHours":22.269996020401265,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:16","end":"23:16","startHours":22.269996020401265,"endHours":23.269996020401265,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:16","end":"00:16","startHours":23.269996020401265,"endHours":24.269996020401265,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:16","end":"01:16","startHours":24.269996020401265,"endHours":25.269996020401265,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:16","end":"02:16","startHours":25.269996020401265,"endHours":26.269996020401265,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:16","end":"03:16","startHours":26.269996020401265,"endHours":27.269996020401265,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:16","end":"04:16","startHours":27.269996020401265,"endHours":28.269996020401265,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:16","end":"05:16","startHours":28.269996020401265,"endHours":29.269996020401265,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:16","end":"06:16","startHours":29.269996020401265,"endHours":30.269996020401265,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:16","end":"07:16","startHours":30.269996020401265,"endHours":31.269996020401265,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"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":"East","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"drikRitu":"Grīṣma (Summer) (Drik)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":22.22200410929655,"eotMinutes":-4.972121470972273,"ayanamsa":24.1536}},"calendars":{"vikram_samvat":2078,"vikram_samvatsara":"Ānanda","saka_samvat":1943,"saka_samvatsara":"Plava","bengali_samvat":1428,"malayalam_era":1197,"nanakshahi_year":552,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Śukla Pakṣa","solar_month":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Śukla Pratipada · Vikram 2078 Ānanda · Śaka 1943 Plava"},"festivals":[{"id":"ashadha-gupta-navratri-start","name":"Āṣāḍha Gupta Navrātri Start","name_sanskrit":"आषाढ गुप्त नवरात्रि आरम्भ","tradition":"Shakta","associated_deity":"Devī (10 Mahāvidyās)","significance":"Second Gupta Navrātri.","vrata":true,"detection":{"tithi_number":1,"tithi_paksha":"Śukla","lunar_month":"Āṣāḍha"},"precedence":3},{"id":"mithuna-sankranti","name":"Mithuna Saṅkrānti","name_sanskrit":"मिथुन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Gemini.","vrata":false,"detection":{"sun_rashi":"Mithuna"},"precedence":5}],"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":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Punarvasu","url":"/day/-1626101-04-03","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 10, 2021 CE · Perth, Australia · Vidhyamitra","description":"July 10, 2021 CE for Perth, Australia: Śukla Pratipada, sūryodaya 07:16, sūryāsta 17:27.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2021-07-10","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2021-07-10","sa":"https://sa.vidhyamitra.com/city/perth/2021-07-10","hi":"https://hi.vidhyamitra.com/city/perth/2021-07-10","x-default":"https://vidhyamitra.com/city/perth/2021-07-10"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T05:23:58.129Z","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":"2026-05-15T05:23:58.129Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T05:23:58.129Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}