{"id":"vidhyamitra:city-day:perth:2022-07-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2022-07-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2022-07-13","date_display":"July 13, 2022 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":2022,"month":7,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2459773.770833,"kali_year":5124,"ahargana":1871308.2708,"sun":{"sidereal_longitude":86.0274,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":256.3132,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":170.2858,"elapsed_within_tithi_degrees":2.2858},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1,"moon_longitude":256.3132,"elapsed_within_degrees":2.9799},"yoga":{"number":26,"name":"Indra","sum_longitude":342.3406},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2022,"month":7,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2459773.770833,"ahargana":1871308.2708,"kali_year":5124,"ayanamsa_lahiri":24.1677,"grahas":{"sun":{"sidereal_longitude":86.49541099999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"moon":{"sidereal_longitude":255.993611,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false,"latitude":-3.3019},"mars":{"sidereal_longitude":10.857411000000013,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":81.64831100000004,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":344.125511,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":59.46971100000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":300.02141099999994,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":29.0824,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":209.0824,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","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":2022,"month":7,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2459773.770833,"kali_year":5124,"ahargana":1871308.2708,"sun":{"sidereal_longitude":86.0274,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":256.3132,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":170.2858,"elapsed_within_tithi_degrees":2.2858},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1,"moon_longitude":256.3132,"elapsed_within_degrees":2.9799},"yoga":{"number":26,"name":"Indra","sum_longitude":342.3406},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.302,"elongation":170.286},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.302,"opposition_distance":9.714}},"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":"07:15","sunsetLocal":"17:28","solarNoonLocal":"12:22","dayLengthHours":10.21451538932314,"dayLengthDisplay":"10 Hours 12 Mins 52 Secs","nightLengthDisplay":"13 Hours 47 Mins 08 Secs","moonriseLocal":"16:35","moonsetLocal":"06:45","rahuKala":{"name":"Rāhu Kāla","start":"12:22","end":"13:39","startHours":12.365323814102677,"endHours":13.64213823776807,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:32","end":"09:49","startHours":8.5348805431065,"endHours":9.811694966771892,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:05","end":"12:22","startHours":11.088509390437284,"endHours":12.365323814102677,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:38","end":"09:59","startHours":9.641453043616508,"endHours":9.98193688992728,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:41","end":"07:57","startHours":7.6836709273295725,"endHours":7.95605800437819,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:01","end":"12:42","startHours":12.024839967791905,"endHours":12.705807660413448,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:54","end":"06:35","startHours":5.896130734198023,"endHours":6.577098426819566,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:24","end":"07:15","startHours":6.40685650366418,"endHours":7.258066119441108,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:04","end":"14:45","startHours":14.067743045656535,"endHours":14.748710738278078,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:16","end":"17:40","startHours":17.272581508764247,"endHours":17.672581508764246,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:28","end":"17:54","startHours":17.472581508764247,"endHours":17.898186316652712,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:13","end":"18:58","startHours":17.222581508764247,"endHours":18.972581508764247,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:01","end":"00:42","startHours":24.024839967791905,"endHours":24.70580766041345,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"07:15","end":"08:32","startHours":7.258066119441108,"endHours":8.5348805431065,"quality":"auspicious"},{"name":"Amṛta","start":"08:32","end":"09:49","startHours":8.5348805431065,"endHours":9.811694966771892,"quality":"auspicious"},{"name":"Kāla","start":"09:49","end":"11:05","startHours":9.811694966771892,"endHours":11.088509390437284,"quality":"inauspicious"},{"name":"Śubha","start":"11:05","end":"12:22","startHours":11.088509390437284,"endHours":12.365323814102677,"quality":"auspicious"},{"name":"Roga","start":"12:22","end":"13:39","startHours":12.365323814102677,"endHours":13.64213823776807,"quality":"inauspicious"},{"name":"Udveg","start":"13:39","end":"14:55","startHours":13.64213823776807,"endHours":14.918952661433462,"quality":"inauspicious"},{"name":"Chala","start":"14:55","end":"16:12","startHours":14.918952661433462,"endHours":16.195767085098854,"quality":"neutral"},{"name":"Labha","start":"16:12","end":"17:28","startHours":16.195767085098854,"endHours":17.472581508764247,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:28","end":"19:12","startHours":17.472581508764247,"endHours":19.195767085098854,"quality":"inauspicious"},{"name":"Chala","start":"19:12","end":"20:55","startHours":19.195767085098854,"endHours":20.91895266143346,"quality":"neutral"},{"name":"Labha","start":"20:55","end":"22:39","startHours":20.91895266143346,"endHours":22.64213823776807,"quality":"auspicious"},{"name":"Amṛta","start":"22:39","end":"00:22","startHours":22.64213823776807,"endHours":24.365323814102677,"quality":"auspicious"},{"name":"Kāla","start":"00:22","end":"02:05","startHours":24.365323814102677,"endHours":26.088509390437284,"quality":"inauspicious"},{"name":"Śubha","start":"02:05","end":"03:49","startHours":26.088509390437284,"endHours":27.811694966771892,"quality":"auspicious"},{"name":"Roga","start":"03:49","end":"05:32","startHours":27.811694966771892,"endHours":29.5348805431065,"quality":"inauspicious"},{"name":"Udveg","start":"05:32","end":"07:15","startHours":29.5348805431065,"endHours":31.258066119441107,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:15","end":"08:15","startHours":7.258066119441108,"endHours":8.258066119441107,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"08:15","end":"09:15","startHours":8.258066119441107,"endHours":9.258066119441107,"planetary_lord":"Venus"},{"name":"Hora 3","start":"09:15","end":"10:15","startHours":9.258066119441107,"endHours":10.258066119441107,"planetary_lord":"Sun"},{"name":"Hora 4","start":"10:15","end":"11:15","startHours":10.258066119441107,"endHours":11.258066119441107,"planetary_lord":"Mars"},{"name":"Hora 5","start":"11:15","end":"12:15","startHours":11.258066119441107,"endHours":12.258066119441107,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"12:15","end":"13:15","startHours":12.258066119441107,"endHours":13.258066119441107,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"13:15","end":"14:15","startHours":13.258066119441107,"endHours":14.258066119441107,"planetary_lord":"Moon"},{"name":"Hora 8","start":"14:15","end":"15:15","startHours":14.258066119441107,"endHours":15.258066119441107,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"15:15","end":"16:15","startHours":15.258066119441107,"endHours":16.258066119441107,"planetary_lord":"Venus"},{"name":"Hora 10","start":"16:15","end":"17:15","startHours":16.258066119441107,"endHours":17.258066119441107,"planetary_lord":"Sun"},{"name":"Hora 11","start":"17:15","end":"18:15","startHours":17.258066119441107,"endHours":18.258066119441107,"planetary_lord":"Mars"},{"name":"Hora 12","start":"18:15","end":"19:15","startHours":18.258066119441107,"endHours":19.258066119441107,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"19:15","end":"20:15","startHours":19.258066119441107,"endHours":20.258066119441107,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"20:15","end":"21:15","startHours":20.258066119441107,"endHours":21.258066119441107,"planetary_lord":"Moon"},{"name":"Hora 15","start":"21:15","end":"22:15","startHours":21.258066119441107,"endHours":22.258066119441107,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"22:15","end":"23:15","startHours":22.258066119441107,"endHours":23.258066119441107,"planetary_lord":"Venus"},{"name":"Hora 17","start":"23:15","end":"00:15","startHours":23.258066119441107,"endHours":24.258066119441107,"planetary_lord":"Sun"},{"name":"Hora 18","start":"00:15","end":"01:15","startHours":24.258066119441107,"endHours":25.258066119441107,"planetary_lord":"Mars"},{"name":"Hora 19","start":"01:15","end":"02:15","startHours":25.258066119441107,"endHours":26.258066119441107,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"02:15","end":"03:15","startHours":26.258066119441107,"endHours":27.258066119441107,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"03:15","end":"04:15","startHours":27.258066119441107,"endHours":28.258066119441107,"planetary_lord":"Moon"},{"name":"Hora 22","start":"04:15","end":"05:15","startHours":28.258066119441107,"endHours":29.258066119441107,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"05:15","end":"06:15","startHours":29.258066119441107,"endHours":30.258066119441107,"planetary_lord":"Venus"},{"name":"Hora 24","start":"06:15","end":"07:15","startHours":30.258066119441107,"endHours":31.258066119441107,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"South-West","anandadiYoga":{"name":"Prajāpati","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":21.84808294080972,"eotMinutes":-5.361428846160681,"ayanamsa":24.1677}},"calendars":{"vikram_samvat":2079,"vikram_samvatsara":"Rākṣasa","saka_samvat":1944,"saka_samvatsara":"Śubhakṛt","bengali_samvat":1429,"malayalam_era":1198,"nanakshahi_year":553,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Śukla Pakṣa","solar_month":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Śukla Pūrṇimā · Vikram 2079 Rākṣasa · Śaka 1944 Śubhakṛt"},"festivals":[{"id":"guru-purnima","name":"Guru Pūrṇimā / Vyāsa Pūrṇimā","name_sanskrit":"गुरु पूर्णिमा / व्यास पूर्णिमा","tradition":"Pan-Hindu","associated_deity":"Vyāsa-jī","significance":"Honor Vyāsa-jī and all gurus.","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Āṣāḍha"},"precedence":1},{"id":"vyasa-purnima","name":"Vyāsa Pūrṇimā (= Guru Pūrṇimā)","name_sanskrit":"व्यास पूर्णिमा","tradition":"Pan-Hindu","associated_deity":"Veda-Vyāsa","significance":"Birth of Veda-Vyāsa; Mahābhārata-Purāṇa-vibhāga-kartā. = Guru Pūrṇimā.","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Āṣāḍha"},"precedence":1,"related_chart":"vyasa"},{"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":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Śukla Pūrṇimā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Śukla Pūrṇimā","url":"/day/-0562-04-11","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 13, 2022 CE · Perth, Australia · Vidhyamitra","description":"July 13, 2022 CE for Perth, Australia: Śukla Pūrṇimā, sūryodaya 07:15, sūryāsta 17:28.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2022-07-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2022-07-13","sa":"https://sa.vidhyamitra.com/city/perth/2022-07-13","hi":"https://hi.vidhyamitra.com/city/perth/2022-07-13","x-default":"https://vidhyamitra.com/city/perth/2022-07-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T20:26:17.710Z","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":"2026-05-14T20:26:17.710Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T20:26:17.710Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}