{"id":"vidhyamitra:city-day:perth:1978-07-26:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1978-07-26","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1978-07-26","date_display":"July 26, 1978 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":1978,"month":7,"day":26,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2443715.770833,"kali_year":5080,"ahargana":1855250.2708,"sun":{"sidereal_longitude":98.715,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":355.2732,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":256.5582,"elapsed_within_tithi_degrees":4.5582},"nakshatra":{"number":27,"name":"Revatī","pada":3,"moon_longitude":355.2732,"elapsed_within_degrees":8.6065},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":93.9882},"karana":{"half_tithi_index":42,"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":1978,"month":7,"day":26,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2443715.770833,"ahargana":1855250.2708,"kali_year":5080,"ayanamsa_lahiri":23.5536,"grahas":{"sun":{"sidereal_longitude":99.162844,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"moon":{"sidereal_longitude":358.288844,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false,"latitude":-1.1909},"mars":{"sidereal_longitude":150.976744,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":125.98974400000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":87.50264400000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"venus":{"sidereal_longitude":142.45494399999995,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":126.24634400000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":159.9126,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":339.9126,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","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":1978,"month":7,"day":26,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2443715.770833,"kali_year":5080,"ahargana":1855250.2708,"sun":{"sidereal_longitude":98.715,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":355.2732,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":256.5582,"elapsed_within_tithi_degrees":4.5582},"nakshatra":{"number":27,"name":"Revatī","pada":3,"moon_longitude":355.2732,"elapsed_within_degrees":8.6065},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":93.9882},"karana":{"half_tithi_index":42,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.191,"elongation":103.442},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.191,"opposition_distance":76.558}},"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":"07:10","sunsetLocal":"17:36","solarNoonLocal":"12:23","dayLengthHours":10.43609960792604,"dayLengthDisplay":"10 Hours 26 Mins 10 Secs","nightLengthDisplay":"13 Hours 33 Mins 50 Secs","moonriseLocal":"23:58","moonsetLocal":"11:21","rahuKala":{"name":"Rāhu Kāla","start":"12:23","end":"13:41","startHours":12.379054192394008,"endHours":13.683566643384761,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:28","end":"09:46","startHours":8.465516839421742,"endHours":9.770029290412497,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:04","end":"12:23","startHours":11.074541741403252,"endHours":12.379054192394008,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:36","end":"09:57","startHours":9.596094296947063,"endHours":9.943964283877932,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:36","end":"07:52","startHours":7.595841872094572,"endHours":7.874137861639266,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:02","end":"12:44","startHours":12.03118420546314,"endHours":12.726924179324877,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:46","end":"06:28","startHours":5.7695244407075155,"endHours":6.465264414569251,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:17","end":"07:10","startHours":6.291329421103817,"endHours":7.161004388430987,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:07","end":"14:49","startHours":14.118404127048347,"endHours":14.814144100910083,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:24","end":"17:48","startHours":17.39710399635703,"endHours":17.797103996357027,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:36","end":"18:02","startHours":17.597103996357028,"endHours":18.031941480020613,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:21","end":"19:06","startHours":17.347103996357028,"endHours":19.097103996357028,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:02","end":"00:44","startHours":24.03118420546314,"endHours":24.726924179324875,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"07:10","end":"08:28","startHours":7.161004388430987,"endHours":8.465516839421742,"quality":"auspicious"},{"name":"Amṛta","start":"08:28","end":"09:46","startHours":8.465516839421742,"endHours":9.770029290412497,"quality":"auspicious"},{"name":"Kāla","start":"09:46","end":"11:04","startHours":9.770029290412497,"endHours":11.074541741403252,"quality":"inauspicious"},{"name":"Śubha","start":"11:04","end":"12:23","startHours":11.074541741403252,"endHours":12.379054192394008,"quality":"auspicious"},{"name":"Roga","start":"12:23","end":"13:41","startHours":12.379054192394008,"endHours":13.683566643384761,"quality":"inauspicious"},{"name":"Udveg","start":"13:41","end":"14:59","startHours":13.683566643384761,"endHours":14.988079094375518,"quality":"inauspicious"},{"name":"Chala","start":"14:59","end":"16:18","startHours":14.988079094375518,"endHours":16.29259154536627,"quality":"neutral"},{"name":"Labha","start":"16:18","end":"17:36","startHours":16.29259154536627,"endHours":17.597103996357028,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:36","end":"19:18","startHours":17.597103996357028,"endHours":19.29259154536627,"quality":"inauspicious"},{"name":"Chala","start":"19:18","end":"20:59","startHours":19.29259154536627,"endHours":20.988079094375518,"quality":"neutral"},{"name":"Labha","start":"20:59","end":"22:41","startHours":20.988079094375518,"endHours":22.68356664338476,"quality":"auspicious"},{"name":"Amṛta","start":"22:41","end":"00:23","startHours":22.68356664338476,"endHours":24.37905419239401,"quality":"auspicious"},{"name":"Kāla","start":"00:23","end":"02:04","startHours":24.37905419239401,"endHours":26.07454174140325,"quality":"inauspicious"},{"name":"Śubha","start":"02:04","end":"03:46","startHours":26.07454174140325,"endHours":27.770029290412495,"quality":"auspicious"},{"name":"Roga","start":"03:46","end":"05:28","startHours":27.770029290412495,"endHours":29.465516839421742,"quality":"inauspicious"},{"name":"Udveg","start":"05:28","end":"07:10","startHours":29.465516839421742,"endHours":31.16100438843099,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:10","end":"08:10","startHours":7.161004388430987,"endHours":8.161004388430987,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"08:10","end":"09:10","startHours":8.161004388430987,"endHours":9.161004388430987,"planetary_lord":"Venus"},{"name":"Hora 3","start":"09:10","end":"10:10","startHours":9.161004388430987,"endHours":10.161004388430987,"planetary_lord":"Sun"},{"name":"Hora 4","start":"10:10","end":"11:10","startHours":10.161004388430987,"endHours":11.161004388430987,"planetary_lord":"Mars"},{"name":"Hora 5","start":"11:10","end":"12:10","startHours":11.161004388430987,"endHours":12.161004388430987,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"12:10","end":"13:10","startHours":12.161004388430987,"endHours":13.161004388430987,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"13:10","end":"14:10","startHours":13.161004388430987,"endHours":14.161004388430987,"planetary_lord":"Moon"},{"name":"Hora 8","start":"14:10","end":"15:10","startHours":14.161004388430987,"endHours":15.161004388430987,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"15:10","end":"16:10","startHours":15.161004388430987,"endHours":16.16100438843099,"planetary_lord":"Venus"},{"name":"Hora 10","start":"16:10","end":"17:10","startHours":16.16100438843099,"endHours":17.16100438843099,"planetary_lord":"Sun"},{"name":"Hora 11","start":"17:10","end":"18:10","startHours":17.16100438843099,"endHours":18.16100438843099,"planetary_lord":"Mars"},{"name":"Hora 12","start":"18:10","end":"19:10","startHours":18.16100438843099,"endHours":19.16100438843099,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"19:10","end":"20:10","startHours":19.16100438843099,"endHours":20.16100438843099,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"20:10","end":"21:10","startHours":20.16100438843099,"endHours":21.16100438843099,"planetary_lord":"Moon"},{"name":"Hora 15","start":"21:10","end":"22:10","startHours":21.16100438843099,"endHours":22.16100438843099,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"22:10","end":"23:10","startHours":22.16100438843099,"endHours":23.16100438843099,"planetary_lord":"Venus"},{"name":"Hora 17","start":"23:10","end":"00:10","startHours":23.16100438843099,"endHours":24.16100438843099,"planetary_lord":"Sun"},{"name":"Hora 18","start":"00:10","end":"01:10","startHours":24.16100438843099,"endHours":25.16100438843099,"planetary_lord":"Mars"},{"name":"Hora 19","start":"01:10","end":"02:10","startHours":25.16100438843099,"endHours":26.16100438843099,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"02:10","end":"03:10","startHours":26.16100438843099,"endHours":27.16100438843099,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"03:10","end":"04:10","startHours":27.16100438843099,"endHours":28.16100438843099,"planetary_lord":"Moon"},{"name":"Hora 22","start":"04:10","end":"05:10","startHours":28.16100438843099,"endHours":29.16100438843099,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"05:10","end":"06:10","startHours":29.16100438843099,"endHours":30.16100438843099,"planetary_lord":"Venus"},{"name":"Hora 24","start":"06:10","end":"07:10","startHours":30.16100438843099,"endHours":31.16100438843099,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"South-West","anandadiYoga":{"name":"Chatra","quality":"Auspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":19.550311926384467,"eotMinutes":-6.185251543640582,"ayanamsa":23.5536}},"calendars":{"vikram_samvat":2035,"vikram_samvatsara":"Prajāpati","saka_samvat":1900,"saka_samvatsara":"Kālayukta","bengali_samvat":1385,"malayalam_era":1154,"nanakshahi_year":509,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Kṛṣṇa Pakṣa","solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Kṛṣṇa Saptamī · Vikram 2035 Prajāpati · Śaka 1900 Kālayukta"},"festivals":[{"id":"karka-sankranti","name":"Karka Saṅkrānti (Dakṣiṇāyana)","name_sanskrit":"कर्क सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Cancer; Dakṣiṇāyana (south-going) begins. Devatā-rātri begins.","vrata":true,"detection":{"sun_rashi":"Karka"},"precedence":2}],"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 26, 1978 CE · Perth, Australia · Vidhyamitra","description":"July 26, 1978 CE for Perth, Australia: Kṛṣṇa Saptamī, sūryodaya 07:10, sūryāsta 17:36.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1978-07-26","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1978-07-26","sa":"https://sa.vidhyamitra.com/city/perth/1978-07-26","hi":"https://hi.vidhyamitra.com/city/perth/1978-07-26","x-default":"https://vidhyamitra.com/city/perth/1978-07-26"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-20T03:42:56.956Z","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":"2026-05-20T03:42:56.956Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-20T03:42:56.956Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}