{"id":"vidhyamitra:city-day:perth:1964-07-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1964-07-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1964-07-01","date_display":"July 1, 1964 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":1964,"month":7,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438577.770833,"kali_year":5066,"ahargana":1850112.2708,"sun":{"sidereal_longitude":75.6224,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":327.0023,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":251.3799,"elapsed_within_tithi_degrees":11.3799},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3,"moon_longitude":327.0023,"elapsed_within_degrees":7.0023},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":42.6247},"karana":{"half_tithi_index":41,"name":"Vaṇija"},"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":1964,"month":7,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2438577.770833,"ahargana":1850112.2708,"kali_year":5066,"ayanamsa_lahiri":23.3571,"grahas":{"sun":{"sidereal_longitude":75.87525399999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":323.67535399999997,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false,"latitude":-4.3434},"mars":{"sidereal_longitude":46.745154000000014,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":80.888754,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":25.362454000000014,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":59.55015400000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":312.18215399999997,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":72.1485,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":252.1485,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"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":1964,"month":7,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438577.770833,"kali_year":5066,"ahargana":1850112.2708,"sun":{"sidereal_longitude":75.6224,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":327.0023,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":251.3799,"elapsed_within_tithi_degrees":11.3799},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3,"moon_longitude":327.0023,"elapsed_within_degrees":7.0023},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":42.6247},"karana":{"half_tithi_index":41,"name":"Vaṇija"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.343,"elongation":108.62},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.343,"opposition_distance":71.38}},"eclipse_window_40days":[{"offset_days":-6,"type":"lunar","occurs":true,"moon_latitude":0.14,"opposition_distance":0.737}]},"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":"17:23","solarNoonLocal":"12:20","dayLengthHours":10.088731265559211,"dayLengthDisplay":"10 Hours 05 Mins 19 Secs","nightLengthDisplay":"13 Hours 54 Mins 41 Secs","moonriseLocal":"22:36","moonsetLocal":"11:07","rahuKala":{"name":"Rāhu Kāla","start":"12:20","end":"13:36","startHours":12.333838086741181,"endHours":13.594929494936082,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:33","end":"09:49","startHours":8.550563862156476,"endHours":9.811655270351379,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:04","end":"12:20","startHours":11.072746678546281,"endHours":12.333838086741181,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:39","end":"09:59","startHours":9.643509749258726,"endHours":9.979800791444031,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:43","end":"07:59","startHours":7.70983625669321,"endHours":7.978869090441456,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:00","end":"12:40","startHours":11.997547044555875,"endHours":12.670129128926488,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:57","end":"06:37","startHours":5.944308285220348,"endHours":6.616890369590962,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:27","end":"07:17","startHours":6.4487448484983085,"endHours":7.289472453961576,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:01","end":"14:41","startHours":14.015293297667716,"endHours":14.68787538203833,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:11","end":"17:35","startHours":17.178203719520788,"endHours":17.578203719520786,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:23","end":"17:48","startHours":17.378203719520787,"endHours":17.79856752225242,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:08","end":"18:53","startHours":17.128203719520787,"endHours":18.878203719520787,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:00","end":"00:40","startHours":23.997547044555873,"endHours":24.67012912892649,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"07:17","end":"08:33","startHours":7.289472453961576,"endHours":8.550563862156476,"quality":"auspicious"},{"name":"Amṛta","start":"08:33","end":"09:49","startHours":8.550563862156476,"endHours":9.811655270351379,"quality":"auspicious"},{"name":"Kāla","start":"09:49","end":"11:04","startHours":9.811655270351379,"endHours":11.072746678546281,"quality":"inauspicious"},{"name":"Śubha","start":"11:04","end":"12:20","startHours":11.072746678546281,"endHours":12.333838086741181,"quality":"auspicious"},{"name":"Roga","start":"12:20","end":"13:36","startHours":12.333838086741181,"endHours":13.594929494936082,"quality":"inauspicious"},{"name":"Udveg","start":"13:36","end":"14:51","startHours":13.594929494936082,"endHours":14.856020903130984,"quality":"inauspicious"},{"name":"Chala","start":"14:51","end":"16:07","startHours":14.856020903130984,"endHours":16.117112311325887,"quality":"neutral"},{"name":"Labha","start":"16:07","end":"17:23","startHours":16.117112311325887,"endHours":17.378203719520787,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:23","end":"19:07","startHours":17.378203719520787,"endHours":19.117112311325887,"quality":"inauspicious"},{"name":"Chala","start":"19:07","end":"20:51","startHours":19.117112311325887,"endHours":20.856020903130982,"quality":"neutral"},{"name":"Labha","start":"20:51","end":"22:36","startHours":20.856020903130982,"endHours":22.594929494936082,"quality":"auspicious"},{"name":"Amṛta","start":"22:36","end":"00:20","startHours":22.594929494936082,"endHours":24.33383808674118,"quality":"auspicious"},{"name":"Kāla","start":"00:20","end":"02:04","startHours":24.33383808674118,"endHours":26.07274667854628,"quality":"inauspicious"},{"name":"Śubha","start":"02:04","end":"03:49","startHours":26.07274667854628,"endHours":27.81165527035138,"quality":"auspicious"},{"name":"Roga","start":"03:49","end":"05:33","startHours":27.81165527035138,"endHours":29.550563862156476,"quality":"inauspicious"},{"name":"Udveg","start":"05:33","end":"07:17","startHours":29.550563862156476,"endHours":31.289472453961576,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:17","end":"08:17","startHours":7.289472453961576,"endHours":8.289472453961576,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"08:17","end":"09:17","startHours":8.289472453961576,"endHours":9.289472453961576,"planetary_lord":"Venus"},{"name":"Hora 3","start":"09:17","end":"10:17","startHours":9.289472453961576,"endHours":10.289472453961576,"planetary_lord":"Sun"},{"name":"Hora 4","start":"10:17","end":"11:17","startHours":10.289472453961576,"endHours":11.289472453961576,"planetary_lord":"Mars"},{"name":"Hora 5","start":"11:17","end":"12:17","startHours":11.289472453961576,"endHours":12.289472453961576,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"12:17","end":"13:17","startHours":12.289472453961576,"endHours":13.289472453961576,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"13:17","end":"14:17","startHours":13.289472453961576,"endHours":14.289472453961576,"planetary_lord":"Moon"},{"name":"Hora 8","start":"14:17","end":"15:17","startHours":14.289472453961576,"endHours":15.289472453961576,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"15:17","end":"16:17","startHours":15.289472453961576,"endHours":16.289472453961576,"planetary_lord":"Venus"},{"name":"Hora 10","start":"16:17","end":"17:17","startHours":16.289472453961576,"endHours":17.289472453961576,"planetary_lord":"Sun"},{"name":"Hora 11","start":"17:17","end":"18:17","startHours":17.289472453961576,"endHours":18.289472453961576,"planetary_lord":"Mars"},{"name":"Hora 12","start":"18:17","end":"19:17","startHours":18.289472453961576,"endHours":19.289472453961576,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"19:17","end":"20:17","startHours":19.289472453961576,"endHours":20.289472453961576,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"20:17","end":"21:17","startHours":20.289472453961576,"endHours":21.289472453961576,"planetary_lord":"Moon"},{"name":"Hora 15","start":"21:17","end":"22:17","startHours":21.289472453961576,"endHours":22.289472453961576,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"22:17","end":"23:17","startHours":22.289472453961576,"endHours":23.289472453961576,"planetary_lord":"Venus"},{"name":"Hora 17","start":"23:17","end":"00:17","startHours":23.289472453961576,"endHours":24.289472453961576,"planetary_lord":"Sun"},{"name":"Hora 18","start":"00:17","end":"01:17","startHours":24.289472453961576,"endHours":25.289472453961576,"planetary_lord":"Mars"},{"name":"Hora 19","start":"01:17","end":"02:17","startHours":25.289472453961576,"endHours":26.289472453961576,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"02:17","end":"03:17","startHours":26.289472453961576,"endHours":27.289472453961576,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"03:17","end":"04:17","startHours":27.289472453961576,"endHours":28.289472453961576,"planetary_lord":"Moon"},{"name":"Hora 22","start":"04:17","end":"05:17","startHours":28.289472453961576,"endHours":29.289472453961576,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"05:17","end":"06:17","startHours":29.289472453961576,"endHours":30.289472453961576,"planetary_lord":"Venus"},{"name":"Hora 24","start":"06:17","end":"07:17","startHours":30.289472453961576,"endHours":31.289472453961576,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"South","rahuVasa":"South-West","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"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":23.11514038960724,"eotMinutes":-3.4722852044708983,"ayanamsa":23.3571}},"calendars":{"vikram_samvat":2021,"vikram_samvatsara":"Piṅgala","saka_samvat":1886,"saka_samvatsara":"Krodhi","bengali_samvat":1371,"malayalam_era":1140,"nanakshahi_year":495,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Kṛṣṇa Pakṣa","solar_month":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Kṛṣṇa Ṣaṣṭhī · Vikram 2021 Piṅgala · Śaka 1886 Krodhi"},"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":"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 1, 1964 CE · Perth, Australia · Vidhyamitra","description":"July 1, 1964 CE for Perth, Australia: Kṛṣṇa Ṣaṣṭhī, sūryodaya 07:17, sūryāsta 17:23.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1964-07-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1964-07-01","sa":"https://sa.vidhyamitra.com/city/perth/1964-07-01","hi":"https://hi.vidhyamitra.com/city/perth/1964-07-01","x-default":"https://vidhyamitra.com/city/perth/1964-07-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-20T07:31:14.771Z","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":"2026-05-20T07:31:14.771Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-20T07:31:14.771Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}