{"id":"vidhyamitra:city-day:perth:2106-07-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2106-07-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2106-07-28","date_display":"July 28, 2106 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":2106,"month":7,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2490468.770833,"kali_year":5208,"ahargana":1902003.2708,"sun":{"sidereal_longitude":98.6003,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":63.6519,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":325.0516,"elapsed_within_tithi_degrees":1.0516},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4,"moon_longitude":63.6519,"elapsed_within_degrees":10.3186},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":162.2522},"karana":{"half_tithi_index":54,"name":"Gara"},"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":2106,"month":7,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2490468.770833,"ahargana":1902003.2708,"kali_year":5208,"ayanamsa_lahiri":25.3417,"grahas":{"sun":{"sidereal_longitude":99.35733600000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"moon":{"sidereal_longitude":62.08693599999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false,"latitude":-2.9469},"mars":{"sidereal_longitude":161.758736,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":82.88583599999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":16.757736000000023,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":143.347236,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":244.357936,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":202.7136,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":22.7136,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","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":2106,"month":7,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2490468.770833,"kali_year":5208,"ahargana":1902003.2708,"sun":{"sidereal_longitude":98.6003,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":63.6519,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":325.0516,"elapsed_within_tithi_degrees":1.0516},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4,"moon_longitude":63.6519,"elapsed_within_degrees":10.3186},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":162.2522},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.947,"elongation":34.948},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.947,"opposition_distance":145.052}},"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":"07:08","sunsetLocal":"17:37","solarNoonLocal":"12:23","dayLengthHours":10.479892966858419,"dayLengthDisplay":"10 Hours 28 Mins 48 Secs","nightLengthDisplay":"13 Hours 31 Mins 12 Secs","moonriseLocal":"04:53","moonsetLocal":"14:54","rahuKala":{"name":"Rāhu Kāla","start":"12:23","end":"13:41","startHours":12.378805877940021,"endHours":13.688792498797323,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:27","end":"09:46","startHours":8.448846015368114,"endHours":9.758832636225415,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:04","end":"12:23","startHours":11.068819257082717,"endHours":12.378805877940021,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:35","end":"09:56","startHours":9.584167753444442,"endHours":9.933497519006389,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:35","end":"07:51","startHours":7.575521601463245,"endHours":7.854985413912803,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:02","end":"12:44","startHours":12.029476112378072,"endHours":12.728135643501966,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:44","end":"06:26","startHours":5.741540332263021,"endHours":6.440199863386916,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:16","end":"07:08","startHours":6.265534980605943,"endHours":7.138859394510811,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:08","end":"14:49","startHours":14.125454705749757,"endHours":14.824114236873651,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:25","end":"17:49","startHours":17.41875236136923,"endHours":17.818752361369228,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:37","end":"18:03","startHours":17.61875236136923,"endHours":18.055414568321662,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:22","end":"19:07","startHours":17.36875236136923,"endHours":19.11875236136923,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:02","end":"00:44","startHours":24.02947611237807,"endHours":24.728135643501965,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"07:08","end":"08:27","startHours":7.138859394510811,"endHours":8.448846015368114,"quality":"auspicious"},{"name":"Amṛta","start":"08:27","end":"09:46","startHours":8.448846015368114,"endHours":9.758832636225415,"quality":"auspicious"},{"name":"Kāla","start":"09:46","end":"11:04","startHours":9.758832636225415,"endHours":11.068819257082717,"quality":"inauspicious"},{"name":"Śubha","start":"11:04","end":"12:23","startHours":11.068819257082717,"endHours":12.378805877940021,"quality":"auspicious"},{"name":"Roga","start":"12:23","end":"13:41","startHours":12.378805877940021,"endHours":13.688792498797323,"quality":"inauspicious"},{"name":"Udveg","start":"13:41","end":"15:00","startHours":13.688792498797323,"endHours":14.998779119654625,"quality":"inauspicious"},{"name":"Chala","start":"15:00","end":"16:19","startHours":14.998779119654625,"endHours":16.308765740511927,"quality":"neutral"},{"name":"Labha","start":"16:19","end":"17:37","startHours":16.308765740511927,"endHours":17.61875236136923,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:37","end":"19:19","startHours":17.61875236136923,"endHours":19.308765740511927,"quality":"inauspicious"},{"name":"Chala","start":"19:19","end":"21:00","startHours":19.308765740511927,"endHours":20.998779119654625,"quality":"neutral"},{"name":"Labha","start":"21:00","end":"22:41","startHours":20.998779119654625,"endHours":22.68879249879732,"quality":"auspicious"},{"name":"Amṛta","start":"22:41","end":"00:23","startHours":22.68879249879732,"endHours":24.378805877940017,"quality":"auspicious"},{"name":"Kāla","start":"00:23","end":"02:04","startHours":24.378805877940017,"endHours":26.068819257082716,"quality":"inauspicious"},{"name":"Śubha","start":"02:04","end":"03:46","startHours":26.068819257082716,"endHours":27.758832636225414,"quality":"auspicious"},{"name":"Roga","start":"03:46","end":"05:27","startHours":27.758832636225414,"endHours":29.44884601536811,"quality":"inauspicious"},{"name":"Udveg","start":"05:27","end":"07:08","startHours":29.44884601536811,"endHours":31.13885939451081,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:08","end":"08:08","startHours":7.138859394510811,"endHours":8.13885939451081,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"08:08","end":"09:08","startHours":8.13885939451081,"endHours":9.13885939451081,"planetary_lord":"Venus"},{"name":"Hora 3","start":"09:08","end":"10:08","startHours":9.13885939451081,"endHours":10.13885939451081,"planetary_lord":"Sun"},{"name":"Hora 4","start":"10:08","end":"11:08","startHours":10.13885939451081,"endHours":11.13885939451081,"planetary_lord":"Mars"},{"name":"Hora 5","start":"11:08","end":"12:08","startHours":11.13885939451081,"endHours":12.13885939451081,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"12:08","end":"13:08","startHours":12.13885939451081,"endHours":13.13885939451081,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"13:08","end":"14:08","startHours":13.13885939451081,"endHours":14.13885939451081,"planetary_lord":"Moon"},{"name":"Hora 8","start":"14:08","end":"15:08","startHours":14.13885939451081,"endHours":15.13885939451081,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"15:08","end":"16:08","startHours":15.13885939451081,"endHours":16.13885939451081,"planetary_lord":"Venus"},{"name":"Hora 10","start":"16:08","end":"17:08","startHours":16.13885939451081,"endHours":17.13885939451081,"planetary_lord":"Sun"},{"name":"Hora 11","start":"17:08","end":"18:08","startHours":17.13885939451081,"endHours":18.13885939451081,"planetary_lord":"Mars"},{"name":"Hora 12","start":"18:08","end":"19:08","startHours":18.13885939451081,"endHours":19.13885939451081,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"19:08","end":"20:08","startHours":19.13885939451081,"endHours":20.13885939451081,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"20:08","end":"21:08","startHours":20.13885939451081,"endHours":21.13885939451081,"planetary_lord":"Moon"},{"name":"Hora 15","start":"21:08","end":"22:08","startHours":21.13885939451081,"endHours":22.13885939451081,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"22:08","end":"23:08","startHours":22.13885939451081,"endHours":23.13885939451081,"planetary_lord":"Venus"},{"name":"Hora 17","start":"23:08","end":"00:08","startHours":23.13885939451081,"endHours":24.13885939451081,"planetary_lord":"Sun"},{"name":"Hora 18","start":"00:08","end":"01:08","startHours":24.13885939451081,"endHours":25.13885939451081,"planetary_lord":"Mars"},{"name":"Hora 19","start":"01:08","end":"02:08","startHours":25.13885939451081,"endHours":26.13885939451081,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"02:08","end":"03:08","startHours":26.13885939451081,"endHours":27.13885939451081,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"03:08","end":"04:08","startHours":27.13885939451081,"endHours":28.13885939451081,"planetary_lord":"Moon"},{"name":"Hora 22","start":"04:08","end":"05:08","startHours":28.13885939451081,"endHours":29.13885939451081,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"05:08","end":"06:08","startHours":29.13885939451081,"endHours":30.13885939451081,"planetary_lord":"Venus"},{"name":"Hora 24","start":"06:08","end":"07:08","startHours":30.13885939451081,"endHours":31.13885939451081,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"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":"North (Uttara)","chandraVasa":"South","rahuVasa":"South-West","anandadiYoga":{"name":"Mṛtyu","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":19.086617668193647,"eotMinutes":-6.170352676401169,"ayanamsa":25.3417}},"calendars":{"vikram_samvat":2163,"vikram_samvatsara":"Pramāthi","saka_samvat":2028,"saka_samvatsara":"Akṣaya","bengali_samvat":1513,"malayalam_era":1282,"nanakshahi_year":637,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Āṣāḍha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Kṛṣṇa Trayodaśī · Vikram 2163 Pramāthi · Śaka 2028 Akṣaya"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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":[]},"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 28, 2106 CE · Perth, Australia · Vidhyamitra","description":"July 28, 2106 CE for Perth, Australia: Kṛṣṇa Trayodaśī, sūryodaya 07:08, sūryāsta 17:37.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2106-07-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2106-07-28","sa":"https://sa.vidhyamitra.com/city/perth/2106-07-28","hi":"https://hi.vidhyamitra.com/city/perth/2106-07-28","x-default":"https://vidhyamitra.com/city/perth/2106-07-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T01:35:24.533Z","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":"2026-05-31T01:35:24.533Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T01:35:24.533Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}