{"id":"vidhyamitra:city-day:perth:2019-07-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2019-07-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2019-07-13","date_display":"July 13, 2019 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":2019,"month":7,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458677.770833,"kali_year":5121,"ahargana":1870212.2708,"sun":{"sidereal_longitude":85.8156,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":220.0417,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":134.2261,"elapsed_within_tithi_degrees":2.2261},"nakshatra":{"number":17,"name":"Anurādhā","pada":3,"moon_longitude":220.0417,"elapsed_within_degrees":6.7084},"yoga":{"number":23,"name":"Śubha","sum_longitude":305.8573},"karana":{"half_tithi_index":22,"name":"Bava"},"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":2019,"month":7,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2458677.770833,"ahargana":1870212.2708,"kali_year":5121,"ayanamsa_lahiri":24.1258,"grahas":{"sun":{"sidereal_longitude":86.27498600000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"moon":{"sidereal_longitude":221.33898599999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false,"latitude":3.2955},"mars":{"sidereal_longitude":102.66048599999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":99.09988599999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":231.68548599999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":77.15768600000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":262.7757859999999,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":87.1538,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":267.1538,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":2019,"month":7,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458677.770833,"kali_year":5121,"ahargana":1870212.2708,"sun":{"sidereal_longitude":85.8156,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":220.0417,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":134.2261,"elapsed_within_tithi_degrees":2.2261},"nakshatra":{"number":17,"name":"Anurādhā","pada":3,"moon_longitude":220.0417,"elapsed_within_degrees":6.7084},"yoga":{"number":23,"name":"Śubha","sum_longitude":305.8573},"karana":{"half_tithi_index":22,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.296,"elongation":134.226},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.296,"opposition_distance":45.774}},"eclipse_window_40days":[{"offset_days":-10,"type":"solar","occurs":true,"moon_latitude":-0.744,"elongation":1.813},{"offset_days":19,"type":"solar","occurs":true,"moon_latitude":1.201,"elongation":2.188}]},"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":10.210641760776234,"dayLengthDisplay":"10 Hours 12 Mins 38 Secs","nightLengthDisplay":"13 Hours 47 Mins 22 Secs","moonriseLocal":"14:23","moonsetLocal":"04:21","rahuKala":{"name":"Rāhu Kāla","start":"09:49","end":"11:05","startHours":9.81266337390862,"endHours":11.088993594005649,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:38","end":"14:55","startHours":13.641654034199707,"endHours":14.917984254296737,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:16","end":"08:32","startHours":7.260002933714561,"endHours":8.53633315381159,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:39","end":"09:59","startHours":9.642486011229016,"endHours":9.982840736588223,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:41","end":"07:57","startHours":7.685446340413571,"endHours":7.957730120700937,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:01","end":"12:42","startHours":12.02496908874347,"endHours":12.705678539461884,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:54","end":"06:35","startHours":5.898584032277729,"endHours":6.579293482996145,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:25","end":"07:16","startHours":6.409116120316542,"endHours":7.260002933714561,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:04","end":"14:45","startHours":14.067097440898717,"endHours":14.747806891617133,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:16","end":"17:40","startHours":17.270644694490795,"endHours":17.670644694490793,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:28","end":"17:54","startHours":17.470644694490794,"endHours":17.896088101189804,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:13","end":"18:58","startHours":17.220644694490794,"endHours":18.970644694490794,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:01","end":"00:42","startHours":24.024969088743468,"endHours":24.705678539461886,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:16","end":"08:32","startHours":7.260002933714561,"endHours":8.53633315381159,"quality":"inauspicious"},{"name":"Śubha","start":"08:32","end":"09:49","startHours":8.53633315381159,"endHours":9.81266337390862,"quality":"auspicious"},{"name":"Roga","start":"09:49","end":"11:05","startHours":9.81266337390862,"endHours":11.088993594005649,"quality":"inauspicious"},{"name":"Udveg","start":"11:05","end":"12:22","startHours":11.088993594005649,"endHours":12.365323814102677,"quality":"inauspicious"},{"name":"Chala","start":"12:22","end":"13:38","startHours":12.365323814102677,"endHours":13.641654034199707,"quality":"neutral"},{"name":"Labha","start":"13:38","end":"14:55","startHours":13.641654034199707,"endHours":14.917984254296737,"quality":"auspicious"},{"name":"Amṛta","start":"14:55","end":"16:12","startHours":14.917984254296737,"endHours":16.194314474393764,"quality":"auspicious"},{"name":"Kāla","start":"16:12","end":"17:28","startHours":16.194314474393764,"endHours":17.470644694490794,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:28","end":"19:12","startHours":17.470644694490794,"endHours":19.194314474393764,"quality":"auspicious"},{"name":"Amṛta","start":"19:12","end":"20:55","startHours":19.194314474393764,"endHours":20.917984254296734,"quality":"auspicious"},{"name":"Kāla","start":"20:55","end":"22:38","startHours":20.917984254296734,"endHours":22.641654034199707,"quality":"inauspicious"},{"name":"Śubha","start":"22:38","end":"00:22","startHours":22.641654034199707,"endHours":24.365323814102677,"quality":"auspicious"},{"name":"Roga","start":"00:22","end":"02:05","startHours":24.365323814102677,"endHours":26.088993594005647,"quality":"inauspicious"},{"name":"Udveg","start":"02:05","end":"03:49","startHours":26.088993594005647,"endHours":27.81266337390862,"quality":"inauspicious"},{"name":"Chala","start":"03:49","end":"05:32","startHours":27.81266337390862,"endHours":29.53633315381159,"quality":"neutral"},{"name":"Labha","start":"05:32","end":"07:16","startHours":29.53633315381159,"endHours":31.26000293371456,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:16","end":"08:16","startHours":7.260002933714561,"endHours":8.26000293371456,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:16","end":"09:16","startHours":8.26000293371456,"endHours":9.26000293371456,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:16","end":"10:16","startHours":9.26000293371456,"endHours":10.26000293371456,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:16","end":"11:16","startHours":10.26000293371456,"endHours":11.26000293371456,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:16","end":"12:16","startHours":11.26000293371456,"endHours":12.26000293371456,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:16","end":"13:16","startHours":12.26000293371456,"endHours":13.26000293371456,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:16","end":"14:16","startHours":13.26000293371456,"endHours":14.26000293371456,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:16","end":"15:16","startHours":14.26000293371456,"endHours":15.26000293371456,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:16","end":"16:16","startHours":15.26000293371456,"endHours":16.26000293371456,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:16","end":"17:16","startHours":16.26000293371456,"endHours":17.26000293371456,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:16","end":"18:16","startHours":17.26000293371456,"endHours":18.26000293371456,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:16","end":"19:16","startHours":18.26000293371456,"endHours":19.26000293371456,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:16","end":"20:16","startHours":19.26000293371456,"endHours":20.26000293371456,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:16","end":"21:16","startHours":20.26000293371456,"endHours":21.26000293371456,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:16","end":"22:16","startHours":21.26000293371456,"endHours":22.26000293371456,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:16","end":"23:16","startHours":22.26000293371456,"endHours":23.26000293371456,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:16","end":"00:16","startHours":23.26000293371456,"endHours":24.26000293371456,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:16","end":"01:16","startHours":24.26000293371456,"endHours":25.26000293371456,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:16","end":"02:16","startHours":25.26000293371456,"endHours":26.26000293371456,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:16","end":"03:16","startHours":26.26000293371456,"endHours":27.26000293371456,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:16","end":"04:16","startHours":27.26000293371456,"endHours":28.26000293371456,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:16","end":"05:16","startHours":28.26000293371456,"endHours":29.26000293371456,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:16","end":"06:16","startHours":29.26000293371456,"endHours":30.26000293371456,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:16","end":"07:16","startHours":30.26000293371456,"endHours":31.26000293371456,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"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":"East (Pūrva)","chandraVasa":"North-East","rahuVasa":"East","anandadiYoga":{"name":"Mānasa","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":21.887513543463832,"eotMinutes":-5.361428846160681,"ayanamsa":24.1258}},"calendars":{"vikram_samvat":2076,"vikram_samvatsara":"Paridhāvi","saka_samvat":1941,"saka_samvatsara":"Vikāri","bengali_samvat":1426,"malayalam_era":1195,"nanakshahi_year":550,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Śukla Pakṣa","solar_month":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Śukla Dvādaśī · Vikram 2076 Paridhāvi · Śaka 1941 Vikāri"},"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":"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":[]},"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 13, 2019 CE · Perth, Australia · Vidhyamitra","description":"July 13, 2019 CE for Perth, Australia: Śukla Dvādaśī, sūryodaya 07:16, sūryāsta 17:28.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2019-07-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2019-07-13","sa":"https://sa.vidhyamitra.com/city/perth/2019-07-13","hi":"https://hi.vidhyamitra.com/city/perth/2019-07-13","x-default":"https://vidhyamitra.com/city/perth/2019-07-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T01:36:59.907Z","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":"2026-05-15T01:36:59.907Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T01:36:59.907Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}