{"id":"vidhyamitra:city-day:perth:2027-07-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2027-07-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2027-07-12","date_display":"July 12, 2027 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":2027,"month":7,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461598.770833,"kali_year":5129,"ahargana":1873133.2708,"sun":{"sidereal_longitude":84.8024,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":187.4741,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":102.6717,"elapsed_within_tithi_degrees":6.6717},"nakshatra":{"number":15,"name":"Svātī","pada":1,"moon_longitude":187.4741,"elapsed_within_degrees":0.8074},"yoga":{"number":21,"name":"Siddha","sum_longitude":272.2764},"karana":{"half_tithi_index":17,"name":"Kaulava"},"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":2027,"month":7,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461598.770833,"ahargana":1873133.2708,"kali_year":5129,"ayanamsa_lahiri":24.2375,"grahas":{"sun":{"sidereal_longitude":85.27368200000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"moon":{"sidereal_longitude":190.622882,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false,"latitude":-4.3482},"mars":{"sidereal_longitude":153.60488199999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":64.83368200000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":122.73108200000001,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":76.37618199999997,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":2.9654820000000086,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":292.3852,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":112.3852,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":2027,"month":7,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461598.770833,"kali_year":5129,"ahargana":1873133.2708,"sun":{"sidereal_longitude":84.8024,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":187.4741,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":102.6717,"elapsed_within_tithi_degrees":6.6717},"nakshatra":{"number":15,"name":"Svātī","pada":1,"moon_longitude":187.4741,"elapsed_within_degrees":0.8074},"yoga":{"number":21,"name":"Siddha","sum_longitude":272.2764},"karana":{"half_tithi_index":17,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.348,"elongation":102.672},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.348,"opposition_distance":77.328}},"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":"17:28","solarNoonLocal":"12:22","dayLengthHours":10.197833052091418,"dayLengthDisplay":"10 Hours 11 Mins 52 Secs","nightLengthDisplay":"13 Hours 48 Mins 08 Secs","moonriseLocal":"12:47","moonsetLocal":"02:00","rahuKala":{"name":"Rāhu Kāla","start":"08:32","end":"09:49","startHours":8.539093770916637,"endHours":9.813822902428063,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:05","end":"12:22","startHours":11.08855203393949,"endHours":12.363281165450918,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:38","end":"14:55","startHours":13.638010296962346,"endHours":14.912739428473772,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:39","end":"09:59","startHours":9.64385901822654,"endHours":9.983786786629587,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:41","end":"07:58","startHours":7.6892743499090175,"endHours":7.961216564631456,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:01","end":"12:42","startHours":12.02335339704787,"endHours":12.703208933853965,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:54","end":"06:35","startHours":5.904653565793019,"endHours":6.584509102599114,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:25","end":"07:16","startHours":6.41454521839759,"endHours":7.264364639405208,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:04","end":"14:45","startHours":14.062920007466154,"endHours":14.742775544272249,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:16","end":"17:40","startHours":17.262197691496628,"endHours":17.662197691496626,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:28","end":"17:53","startHours":17.462197691496627,"endHours":17.887107402000435,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:13","end":"18:58","startHours":17.212197691496627,"endHours":18.962197691496627,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:01","end":"00:42","startHours":24.02335339704787,"endHours":24.703208933853965,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:16","end":"08:32","startHours":7.264364639405208,"endHours":8.539093770916637,"quality":"auspicious"},{"name":"Kāla","start":"08:32","end":"09:49","startHours":8.539093770916637,"endHours":9.813822902428063,"quality":"inauspicious"},{"name":"Śubha","start":"09:49","end":"11:05","startHours":9.813822902428063,"endHours":11.08855203393949,"quality":"auspicious"},{"name":"Roga","start":"11:05","end":"12:22","startHours":11.08855203393949,"endHours":12.363281165450918,"quality":"inauspicious"},{"name":"Udveg","start":"12:22","end":"13:38","startHours":12.363281165450918,"endHours":13.638010296962346,"quality":"inauspicious"},{"name":"Chala","start":"13:38","end":"14:55","startHours":13.638010296962346,"endHours":14.912739428473772,"quality":"neutral"},{"name":"Labha","start":"14:55","end":"16:11","startHours":14.912739428473772,"endHours":16.1874685599852,"quality":"auspicious"},{"name":"Amṛta","start":"16:11","end":"17:28","startHours":16.1874685599852,"endHours":17.462197691496627,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:28","end":"19:11","startHours":17.462197691496627,"endHours":19.1874685599852,"quality":"neutral"},{"name":"Labha","start":"19:11","end":"20:55","startHours":19.1874685599852,"endHours":20.91273942847377,"quality":"auspicious"},{"name":"Amṛta","start":"20:55","end":"22:38","startHours":20.91273942847377,"endHours":22.638010296962346,"quality":"auspicious"},{"name":"Kāla","start":"22:38","end":"00:22","startHours":22.638010296962346,"endHours":24.363281165450918,"quality":"inauspicious"},{"name":"Śubha","start":"00:22","end":"02:05","startHours":24.363281165450918,"endHours":26.08855203393949,"quality":"auspicious"},{"name":"Roga","start":"02:05","end":"03:49","startHours":26.08855203393949,"endHours":27.813822902428065,"quality":"inauspicious"},{"name":"Udveg","start":"03:49","end":"05:32","startHours":27.813822902428065,"endHours":29.539093770916637,"quality":"inauspicious"},{"name":"Chala","start":"05:32","end":"07:16","startHours":29.539093770916637,"endHours":31.26436463940521,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:16","end":"08:16","startHours":7.264364639405208,"endHours":8.264364639405208,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:16","end":"09:16","startHours":8.264364639405208,"endHours":9.264364639405208,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:16","end":"10:16","startHours":9.264364639405208,"endHours":10.264364639405208,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:16","end":"11:16","startHours":10.264364639405208,"endHours":11.264364639405208,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:16","end":"12:16","startHours":11.264364639405208,"endHours":12.264364639405208,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:16","end":"13:16","startHours":12.264364639405208,"endHours":13.264364639405208,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:16","end":"14:16","startHours":13.264364639405208,"endHours":14.264364639405208,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:16","end":"15:16","startHours":14.264364639405208,"endHours":15.264364639405208,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:16","end":"16:16","startHours":15.264364639405208,"endHours":16.26436463940521,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:16","end":"17:16","startHours":16.26436463940521,"endHours":17.26436463940521,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:16","end":"18:16","startHours":17.26436463940521,"endHours":18.26436463940521,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:16","end":"19:16","startHours":18.26436463940521,"endHours":19.26436463940521,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:16","end":"20:16","startHours":19.26436463940521,"endHours":20.26436463940521,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:16","end":"21:16","startHours":20.26436463940521,"endHours":21.26436463940521,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:16","end":"22:16","startHours":21.26436463940521,"endHours":22.26436463940521,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:16","end":"23:16","startHours":22.26436463940521,"endHours":23.26436463940521,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:16","end":"00:16","startHours":23.26436463940521,"endHours":24.26436463940521,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:16","end":"01:16","startHours":24.26436463940521,"endHours":25.26436463940521,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:16","end":"02:16","startHours":25.26436463940521,"endHours":26.26436463940521,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:16","end":"03:16","startHours":26.26436463940521,"endHours":27.26436463940521,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:16","end":"04:16","startHours":27.26436463940521,"endHours":28.26436463940521,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:16","end":"05:16","startHours":28.26436463940521,"endHours":29.26436463940521,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:16","end":"06:16","startHours":29.26436463940521,"endHours":30.26436463940521,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:16","end":"07:16","startHours":30.26436463940521,"endHours":31.26436463940521,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"North","rahuVasa":"North-East","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"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":22.01771223453019,"eotMinutes":-5.238869927055064,"ayanamsa":24.2375}},"calendars":{"vikram_samvat":2084,"vikram_samvatsara":"Raudra","saka_samvat":1949,"saka_samvatsara":"Plavaṅga","bengali_samvat":1434,"malayalam_era":1203,"nanakshahi_year":558,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Śukla Pakṣa","solar_month":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Śukla Navamī · Vikram 2084 Raudra · Śaka 1949 Plavaṅga"},"festivals":[{"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":"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":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Śukla Navamī","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 12, 2027 CE · Perth, Australia · Vidhyamitra","description":"July 12, 2027 CE for Perth, Australia: Śukla Navamī, sūryodaya 07:16, sūryāsta 17:28.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2027-07-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2027-07-12","sa":"https://sa.vidhyamitra.com/city/perth/2027-07-12","hi":"https://hi.vidhyamitra.com/city/perth/2027-07-12","x-default":"https://vidhyamitra.com/city/perth/2027-07-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T18:46:43.085Z","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":"2026-05-14T18:46:43.085Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T18:46:43.085Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}