{"id":"vidhyamitra:city-day:perth:1978-07-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1978-07-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1978-07-07","date_display":"July 7, 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":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2443696.770833,"kali_year":5080,"ahargana":1855231.2708,"sun":{"sidereal_longitude":80.712,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":100.7839,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":20.0719,"elapsed_within_tithi_degrees":8.0719},"nakshatra":{"number":8,"name":"Puṣya","pada":3,"moon_longitude":100.7839,"elapsed_within_degrees":7.4505},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":181.4958},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2443696.770833,"ahargana":1855231.2708,"kali_year":5080,"ayanamsa_lahiri":23.5528,"grahas":{"sun":{"sidereal_longitude":81.03597000000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"moon":{"sidereal_longitude":98.88857000000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false,"latitude":-3.9014},"mars":{"sidereal_longitude":139.67786999999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":103.50067000000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":83.24517000000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"venus":{"sidereal_longitude":120.95096999999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":124.14157,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":160.9193,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":340.9193,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","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":1978,"month":7,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2443696.770833,"kali_year":5080,"ahargana":1855231.2708,"sun":{"sidereal_longitude":80.712,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":100.7839,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":20.0719,"elapsed_within_tithi_degrees":8.0719},"nakshatra":{"number":8,"name":"Puṣya","pada":3,"moon_longitude":100.7839,"elapsed_within_degrees":7.4505},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":181.4958},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.901,"elongation":20.072},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.901,"opposition_distance":159.928}},"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":"07:17","sunsetLocal":"17:25","solarNoonLocal":"12:21","dayLengthHours":10.13641232671236,"dayLengthDisplay":"10 Hours 08 Mins 11 Secs","nightLengthDisplay":"13 Hours 51 Mins 49 Secs","moonriseLocal":"08:21","moonsetLocal":"18:44","rahuKala":{"name":"Rāhu Kāla","start":"11:05","end":"12:21","startHours":11.08428345756598,"endHours":12.351334998405026,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:53","end":"16:09","startHours":14.885438080083116,"endHours":16.15248962092216,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:33","end":"09:49","startHours":8.55018037588789,"endHours":9.817231916726936,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:39","end":"09:59","startHours":9.64829171128173,"endHours":9.986172122172142,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:42","end":"07:59","startHours":7.705479348661862,"endHours":7.975783677374191,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:01","end":"12:41","startHours":12.013454587514614,"endHours":12.689215409295437,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:56","end":"06:36","startHours":5.931607191487199,"endHours":6.607368013268022,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:26","end":"07:17","startHours":6.4384278078228165,"endHours":7.283128835048847,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:02","end":"14:43","startHours":14.040737052857086,"endHours":14.71649787463791,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:13","end":"17:37","startHours":17.219541161761207,"endHours":17.619541161761205,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:25","end":"17:51","startHours":17.419541161761206,"endHours":17.84189167537422,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:10","end":"18:55","startHours":17.169541161761206,"endHours":18.919541161761206,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:01","end":"00:41","startHours":24.013454587514612,"endHours":24.68921540929544,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:17","end":"08:33","startHours":7.283128835048847,"endHours":8.55018037588789,"quality":"neutral"},{"name":"Labha","start":"08:33","end":"09:49","startHours":8.55018037588789,"endHours":9.817231916726936,"quality":"auspicious"},{"name":"Amṛta","start":"09:49","end":"11:05","startHours":9.817231916726936,"endHours":11.08428345756598,"quality":"auspicious"},{"name":"Kāla","start":"11:05","end":"12:21","startHours":11.08428345756598,"endHours":12.351334998405026,"quality":"inauspicious"},{"name":"Śubha","start":"12:21","end":"13:37","startHours":12.351334998405026,"endHours":13.61838653924407,"quality":"auspicious"},{"name":"Roga","start":"13:37","end":"14:53","startHours":13.61838653924407,"endHours":14.885438080083116,"quality":"inauspicious"},{"name":"Udveg","start":"14:53","end":"16:09","startHours":14.885438080083116,"endHours":16.15248962092216,"quality":"inauspicious"},{"name":"Chala","start":"16:09","end":"17:25","startHours":16.15248962092216,"endHours":17.419541161761206,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:25","end":"19:09","startHours":17.419541161761206,"endHours":19.15248962092216,"quality":"inauspicious"},{"name":"Udveg","start":"19:09","end":"20:53","startHours":19.15248962092216,"endHours":20.885438080083116,"quality":"inauspicious"},{"name":"Chala","start":"20:53","end":"22:37","startHours":20.885438080083116,"endHours":22.61838653924407,"quality":"neutral"},{"name":"Labha","start":"22:37","end":"00:21","startHours":22.61838653924407,"endHours":24.351334998405026,"quality":"auspicious"},{"name":"Amṛta","start":"00:21","end":"02:05","startHours":24.351334998405026,"endHours":26.08428345756598,"quality":"auspicious"},{"name":"Kāla","start":"02:05","end":"03:49","startHours":26.08428345756598,"endHours":27.817231916726936,"quality":"inauspicious"},{"name":"Śubha","start":"03:49","end":"05:33","startHours":27.817231916726936,"endHours":29.55018037588789,"quality":"auspicious"},{"name":"Roga","start":"05:33","end":"07:17","startHours":29.55018037588789,"endHours":31.283128835048846,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:17","end":"08:17","startHours":7.283128835048847,"endHours":8.283128835048846,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:17","end":"09:17","startHours":8.283128835048846,"endHours":9.283128835048846,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:17","end":"10:17","startHours":9.283128835048846,"endHours":10.283128835048846,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:17","end":"11:17","startHours":10.283128835048846,"endHours":11.283128835048846,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:17","end":"12:17","startHours":11.283128835048846,"endHours":12.283128835048846,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:17","end":"13:17","startHours":12.283128835048846,"endHours":13.283128835048846,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:17","end":"14:17","startHours":13.283128835048846,"endHours":14.283128835048846,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:17","end":"15:17","startHours":14.283128835048846,"endHours":15.283128835048846,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:17","end":"16:17","startHours":15.283128835048846,"endHours":16.283128835048846,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:17","end":"17:17","startHours":16.283128835048846,"endHours":17.283128835048846,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:17","end":"18:17","startHours":17.283128835048846,"endHours":18.283128835048846,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:17","end":"19:17","startHours":18.283128835048846,"endHours":19.283128835048846,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:17","end":"20:17","startHours":19.283128835048846,"endHours":20.283128835048846,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:17","end":"21:17","startHours":20.283128835048846,"endHours":21.283128835048846,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:17","end":"22:17","startHours":21.283128835048846,"endHours":22.283128835048846,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:17","end":"23:17","startHours":22.283128835048846,"endHours":23.283128835048846,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:17","end":"00:17","startHours":23.283128835048846,"endHours":24.283128835048846,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:17","end":"01:17","startHours":24.283128835048846,"endHours":25.283128835048846,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:17","end":"02:17","startHours":25.283128835048846,"endHours":26.283128835048846,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:17","end":"03:17","startHours":26.283128835048846,"endHours":27.283128835048846,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:17","end":"04:17","startHours":27.283128835048846,"endHours":28.283128835048846,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:17","end":"05:17","startHours":28.283128835048846,"endHours":29.283128835048846,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:17","end":"06:17","startHours":29.283128835048846,"endHours":30.283128835048846,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:17","end":"07:17","startHours":30.283128835048846,"endHours":31.283128835048846,"planetary_lord":"Mars"}],"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","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"South-East","anandadiYoga":{"name":"Dhātṛ","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":22.638090550003994,"eotMinutes":-4.522099904301516,"ayanamsa":23.5528}},"calendars":{"vikram_samvat":2035,"vikram_samvatsara":"Prajāpati","saka_samvat":1900,"saka_samvatsara":"Kālayukta","bengali_samvat":1385,"malayalam_era":1154,"nanakshahi_year":509,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Śukla Pakṣa","solar_month":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Śukla Dvitīyā · Vikram 2035 Prajāpati · Śaka 1900 Kālayukta"},"festivals":[{"id":"ratha-yatra","name":"Ratha-Yātrā (Jagannātha Puri)","name_sanskrit":"रथ यात्रा","tradition":"Vaishnava","associated_deity":"Jagannātha (Krishna) + Balarāma + Subhadrā","significance":"Jagannātha's annual ratha-yātrā at Puri.","vrata":false,"detection":{"tithi_number":2,"tithi_paksha":"Śukla","lunar_month":"Āṣāḍha"},"precedence":2},{"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":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 7, 1978 CE · Perth, Australia · Vidhyamitra","description":"July 7, 1978 CE for Perth, Australia: Śukla Dvitīyā, sūryodaya 07:17, sūryāsta 17:25.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1978-07-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1978-07-07","sa":"https://sa.vidhyamitra.com/city/perth/1978-07-07","hi":"https://hi.vidhyamitra.com/city/perth/1978-07-07","x-default":"https://vidhyamitra.com/city/perth/1978-07-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T19:31:55.116Z","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":"2026-05-18T19:31:55.116Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-18T19:31:55.116Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}