{"id":"vidhyamitra:city-day:perth:1966-07-25:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1966-07-25","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1966-07-25","date_display":"July 25, 1966 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":1966,"month":7,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2439331.770833,"kali_year":5068,"ahargana":1850866.2708,"sun":{"sidereal_longitude":97.8657,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":188.5155,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":90.6498,"elapsed_within_tithi_degrees":6.6498},"nakshatra":{"number":15,"name":"Svātī","pada":1,"moon_longitude":188.5155,"elapsed_within_degrees":1.8488},"yoga":{"number":22,"name":"Sādhya","sum_longitude":286.3812},"karana":{"half_tithi_index":15,"name":"Bava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":1966,"month":7,"day":25,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2439331.770833,"ahargana":1850866.2708,"kali_year":5068,"ayanamsa_lahiri":23.3859,"grahas":{"sun":{"sidereal_longitude":98.27964499999996,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"moon":{"sidereal_longitude":191.45734500000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false,"latitude":1.8059},"mars":{"sidereal_longitude":76.462245,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":104.61344499999996,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":84.65614500000004,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"venus":{"sidereal_longitude":71.08844499999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":336.816645,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":32.198,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":212.198,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","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":1966,"month":7,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2439331.770833,"kali_year":5068,"ahargana":1850866.2708,"sun":{"sidereal_longitude":97.8657,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":188.5155,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":90.6498,"elapsed_within_tithi_degrees":6.6498},"nakshatra":{"number":15,"name":"Svātī","pada":1,"moon_longitude":188.5155,"elapsed_within_degrees":1.8488},"yoga":{"number":22,"name":"Sādhya","sum_longitude":286.3812},"karana":{"half_tithi_index":15,"name":"Bava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.806,"elongation":90.65},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.806,"opposition_distance":89.35}},"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":"17:35","solarNoonLocal":"12:23","dayLengthHours":10.413653306743157,"dayLengthDisplay":"10 Hours 24 Mins 49 Secs","nightLengthDisplay":"13 Hours 35 Mins 11 Secs","moonriseLocal":"11:59","moonsetLocal":"01:12","rahuKala":{"name":"Rāhu Kāla","start":"08:28","end":"09:47","startHours":8.473807528845487,"endHours":9.775514192188382,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:05","end":"12:23","startHours":11.077220855531277,"endHours":12.378927518874171,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:41","end":"14:59","startHours":13.680634182217066,"endHours":14.98234084555996,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:36","end":"09:57","startHours":9.601953303742661,"endHours":9.9490750806341,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:36","end":"07:53","startHours":7.60600308661689,"endHours":7.88370050813004,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:02","end":"12:44","startHours":12.031805741982733,"endHours":12.726049295765609,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:47","end":"06:29","startHours":5.783613757936838,"endHours":6.477857311719714,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:18","end":"07:10","startHours":6.304296423273995,"endHours":7.172100865502592,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:07","end":"14:49","startHours":14.114536403331364,"endHours":14.808779957114242,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:23","end":"17:47","startHours":17.38575417224575,"endHours":17.78575417224575,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:35","end":"18:01","startHours":17.58575417224575,"endHours":18.019656393360048,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:20","end":"19:05","startHours":17.33575417224575,"endHours":19.08575417224575,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:02","end":"00:44","startHours":24.031805741982733,"endHours":24.72604929576561,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:10","end":"08:28","startHours":7.172100865502592,"endHours":8.473807528845487,"quality":"auspicious"},{"name":"Kāla","start":"08:28","end":"09:47","startHours":8.473807528845487,"endHours":9.775514192188382,"quality":"inauspicious"},{"name":"Śubha","start":"09:47","end":"11:05","startHours":9.775514192188382,"endHours":11.077220855531277,"quality":"auspicious"},{"name":"Roga","start":"11:05","end":"12:23","startHours":11.077220855531277,"endHours":12.378927518874171,"quality":"inauspicious"},{"name":"Udveg","start":"12:23","end":"13:41","startHours":12.378927518874171,"endHours":13.680634182217066,"quality":"inauspicious"},{"name":"Chala","start":"13:41","end":"14:59","startHours":13.680634182217066,"endHours":14.98234084555996,"quality":"neutral"},{"name":"Labha","start":"14:59","end":"16:17","startHours":14.98234084555996,"endHours":16.284047508902855,"quality":"auspicious"},{"name":"Amṛta","start":"16:17","end":"17:35","startHours":16.284047508902855,"endHours":17.58575417224575,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:35","end":"19:17","startHours":17.58575417224575,"endHours":19.284047508902855,"quality":"neutral"},{"name":"Labha","start":"19:17","end":"20:59","startHours":19.284047508902855,"endHours":20.98234084555996,"quality":"auspicious"},{"name":"Amṛta","start":"20:59","end":"22:41","startHours":20.98234084555996,"endHours":22.680634182217066,"quality":"auspicious"},{"name":"Kāla","start":"22:41","end":"00:23","startHours":22.680634182217066,"endHours":24.37892751887417,"quality":"inauspicious"},{"name":"Śubha","start":"00:23","end":"02:05","startHours":24.37892751887417,"endHours":26.077220855531277,"quality":"auspicious"},{"name":"Roga","start":"02:05","end":"03:47","startHours":26.077220855531277,"endHours":27.775514192188382,"quality":"inauspicious"},{"name":"Udveg","start":"03:47","end":"05:28","startHours":27.775514192188382,"endHours":29.473807528845487,"quality":"inauspicious"},{"name":"Chala","start":"05:28","end":"07:10","startHours":29.473807528845487,"endHours":31.172100865502593,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:10","end":"08:10","startHours":7.172100865502592,"endHours":8.172100865502593,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:10","end":"09:10","startHours":8.172100865502593,"endHours":9.172100865502593,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:10","end":"10:10","startHours":9.172100865502593,"endHours":10.172100865502593,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:10","end":"11:10","startHours":10.172100865502593,"endHours":11.172100865502593,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:10","end":"12:10","startHours":11.172100865502593,"endHours":12.172100865502593,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:10","end":"13:10","startHours":12.172100865502593,"endHours":13.172100865502593,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:10","end":"14:10","startHours":13.172100865502593,"endHours":14.172100865502593,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:10","end":"15:10","startHours":14.172100865502593,"endHours":15.172100865502593,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:10","end":"16:10","startHours":15.172100865502593,"endHours":16.172100865502593,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:10","end":"17:10","startHours":16.172100865502593,"endHours":17.172100865502593,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:10","end":"18:10","startHours":17.172100865502593,"endHours":18.172100865502593,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:10","end":"19:10","startHours":18.172100865502593,"endHours":19.172100865502593,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:10","end":"20:10","startHours":19.172100865502593,"endHours":20.172100865502593,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:10","end":"21:10","startHours":20.172100865502593,"endHours":21.172100865502593,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:10","end":"22:10","startHours":21.172100865502593,"endHours":22.172100865502593,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:10","end":"23:10","startHours":22.172100865502593,"endHours":23.172100865502593,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:10","end":"00:10","startHours":23.172100865502593,"endHours":24.172100865502593,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:10","end":"01:10","startHours":24.172100865502593,"endHours":25.172100865502593,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:10","end":"02:10","startHours":25.172100865502593,"endHours":26.172100865502593,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:10","end":"03:10","startHours":26.172100865502593,"endHours":27.172100865502593,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:10","end":"04:10","startHours":27.172100865502593,"endHours":28.172100865502593,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:10","end":"05:10","startHours":28.172100865502593,"endHours":29.172100865502593,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:10","end":"06:10","startHours":29.172100865502593,"endHours":30.172100865502593,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:10","end":"07:10","startHours":30.172100865502593,"endHours":31.172100865502593,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"North","rahuVasa":"North-East","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":19.786779817686345,"eotMinutes":-6.177651132450234,"ayanamsa":23.3859}},"calendars":{"vikram_samvat":2023,"vikram_samvatsara":"Siddhārthī","saka_samvat":1888,"saka_samvatsara":"Parābhava","bengali_samvat":1373,"malayalam_era":1142,"nanakshahi_year":497,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa (Adhika) Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":true,"lunar_month_purnimanta_is_adhika":true,"lunar_month_amanta_is_adhika":true,"solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa (Adhika) Śukla Aṣṭamī · Vikram 2023 Siddhārthī · Śaka 1888 Parābhava"},"festivals":[],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","url":"/day/-3137-12-25","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 25, 1966 CE · Perth, Australia · Vidhyamitra","description":"July 25, 1966 CE for Perth, Australia: Śukla Aṣṭamī, sūryodaya 07:10, sūryāsta 17:35.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1966-07-25","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1966-07-25","sa":"https://sa.vidhyamitra.com/city/perth/1966-07-25","hi":"https://hi.vidhyamitra.com/city/perth/1966-07-25","x-default":"https://vidhyamitra.com/city/perth/1966-07-25"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T05:22:28.349Z","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":"2026-06-01T05:22:28.349Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T05:22:28.349Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}