{"id":"vidhyamitra:city-day:perth:1960-01-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1960-01-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1960-01-04","date_display":"January 4, 1960 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":1960,"month":1,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2436937.770833,"kali_year":5061,"ahargana":1848472.2708,"sun":{"sidereal_longitude":259.271,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":326.5262,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":67.2553,"elapsed_within_tithi_degrees":7.2553},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2,"moon_longitude":326.5262,"elapsed_within_degrees":6.5262},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":225.7972},"karana":{"half_tithi_index":11,"name":"Taitila"},"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":1960,"month":1,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2436937.770833,"ahargana":1848472.2708,"kali_year":5061,"ayanamsa_lahiri":23.2943,"grahas":{"sun":{"sidereal_longitude":259.386214,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":328.94311400000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false,"latitude":0.9744},"mars":{"sidereal_longitude":239.80811400000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":246.77731400000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":236.83511399999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":219.24251400000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":257.04271400000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":159.0436,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":339.0436,"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":1960,"month":1,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2436937.770833,"kali_year":5061,"ahargana":1848472.2708,"sun":{"sidereal_longitude":259.271,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":326.5262,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":67.2553,"elapsed_within_tithi_degrees":7.2553},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2,"moon_longitude":326.5262,"elapsed_within_degrees":6.5262},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":225.7972},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.974,"elongation":67.255},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.974,"opposition_distance":112.745}},"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":"05:16","sunsetLocal":"19:27","solarNoonLocal":"12:22","dayLengthHours":14.177318786327374,"dayLengthDisplay":"14 Hours 10 Mins 38 Secs","nightLengthDisplay":"9 Hours 49 Mins 22 Secs","moonriseLocal":"10:49","moonsetLocal":"23:10","rahuKala":{"name":"Rāhu Kāla","start":"07:03","end":"08:49","startHours":7.043203902883004,"endHours":8.815368751173926,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:35","end":"12:22","startHours":10.587533599464848,"endHours":12.359698447755768,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:08","end":"15:54","startHours":14.13186329604669,"endHours":15.904028144337612,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:35","end":"09:03","startHours":8.579080104735135,"endHours":9.051657397612715,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:52","end":"06:14","startHours":5.861760670689056,"endHours":6.239822504991119,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:50","startHours":11.887121154878189,"endHours":12.832275740633348,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:23","end":"04:20","startHours":3.3807298830817656,"endHours":4.325884468836923,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:05","end":"05:16","startHours":4.089595822398135,"endHours":5.271039054592082,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:43","end":"15:40","startHours":14.722584912143665,"endHours":15.667739497898824,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:15","end":"19:39","startHours":19.248357840919457,"endHours":19.648357840919456,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:27","end":"20:02","startHours":19.448357840919456,"endHours":20.03907945701643,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:12","end":"20:57","startHours":19.198357840919456,"endHours":20.948357840919456,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:50","startHours":23.88712115487819,"endHours":24.832275740633346,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:16","end":"07:03","startHours":5.271039054592082,"endHours":7.043203902883004,"quality":"auspicious"},{"name":"Kāla","start":"07:03","end":"08:49","startHours":7.043203902883004,"endHours":8.815368751173926,"quality":"inauspicious"},{"name":"Śubha","start":"08:49","end":"10:35","startHours":8.815368751173926,"endHours":10.587533599464848,"quality":"auspicious"},{"name":"Roga","start":"10:35","end":"12:22","startHours":10.587533599464848,"endHours":12.359698447755768,"quality":"inauspicious"},{"name":"Udveg","start":"12:22","end":"14:08","startHours":12.359698447755768,"endHours":14.13186329604669,"quality":"inauspicious"},{"name":"Chala","start":"14:08","end":"15:54","startHours":14.13186329604669,"endHours":15.904028144337612,"quality":"neutral"},{"name":"Labha","start":"15:54","end":"17:41","startHours":15.904028144337612,"endHours":17.676192992628536,"quality":"auspicious"},{"name":"Amṛta","start":"17:41","end":"19:27","startHours":17.676192992628536,"endHours":19.448357840919456,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"19:27","end":"20:41","startHours":19.448357840919456,"endHours":20.676192992628536,"quality":"neutral"},{"name":"Labha","start":"20:41","end":"21:54","startHours":20.676192992628536,"endHours":21.904028144337612,"quality":"auspicious"},{"name":"Amṛta","start":"21:54","end":"23:08","startHours":21.904028144337612,"endHours":23.131863296046692,"quality":"auspicious"},{"name":"Kāla","start":"23:08","end":"00:22","startHours":23.131863296046692,"endHours":24.35969844775577,"quality":"inauspicious"},{"name":"Śubha","start":"00:22","end":"01:35","startHours":24.35969844775577,"endHours":25.587533599464848,"quality":"auspicious"},{"name":"Roga","start":"01:35","end":"02:49","startHours":25.587533599464848,"endHours":26.815368751173928,"quality":"inauspicious"},{"name":"Udveg","start":"02:49","end":"04:03","startHours":26.815368751173928,"endHours":28.043203902883004,"quality":"inauspicious"},{"name":"Chala","start":"04:03","end":"05:16","startHours":28.043203902883004,"endHours":29.27103905459208,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:16","end":"06:16","startHours":5.271039054592082,"endHours":6.271039054592082,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:16","end":"07:16","startHours":6.271039054592082,"endHours":7.271039054592082,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:16","end":"08:16","startHours":7.271039054592082,"endHours":8.271039054592082,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:16","end":"09:16","startHours":8.271039054592082,"endHours":9.271039054592082,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:16","end":"10:16","startHours":9.271039054592082,"endHours":10.271039054592082,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:16","end":"11:16","startHours":10.271039054592082,"endHours":11.271039054592082,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:16","end":"12:16","startHours":11.271039054592082,"endHours":12.271039054592082,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:16","end":"13:16","startHours":12.271039054592082,"endHours":13.271039054592082,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:16","end":"14:16","startHours":13.271039054592082,"endHours":14.271039054592082,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:16","end":"15:16","startHours":14.271039054592082,"endHours":15.271039054592082,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:16","end":"16:16","startHours":15.271039054592082,"endHours":16.27103905459208,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:16","end":"17:16","startHours":16.27103905459208,"endHours":17.27103905459208,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:16","end":"18:16","startHours":17.27103905459208,"endHours":18.27103905459208,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:16","end":"19:16","startHours":18.27103905459208,"endHours":19.27103905459208,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:16","end":"20:16","startHours":19.27103905459208,"endHours":20.27103905459208,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:16","end":"21:16","startHours":20.27103905459208,"endHours":21.27103905459208,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:16","end":"22:16","startHours":21.27103905459208,"endHours":22.27103905459208,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:16","end":"23:16","startHours":22.27103905459208,"endHours":23.27103905459208,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:16","end":"00:16","startHours":23.27103905459208,"endHours":24.27103905459208,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:16","end":"01:16","startHours":24.27103905459208,"endHours":25.27103905459208,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:16","end":"02:16","startHours":25.27103905459208,"endHours":26.27103905459208,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:16","end":"03:16","startHours":26.27103905459208,"endHours":27.27103905459208,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:16","end":"04:16","startHours":27.27103905459208,"endHours":28.27103905459208,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:16","end":"05:16","startHours":28.27103905459208,"endHours":29.27103905459208,"planetary_lord":"Venus"}],"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":"East (Pūrva)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Ānanda","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-22.832067081872466,"eotMinutes":-5.02390686534617,"ayanamsa":23.2943}},"calendars":{"vikram_samvat":2017,"vikram_samvatsara":"Pramādī","saka_samvat":1882,"saka_samvatsara":"Śārvarī","bengali_samvat":1367,"malayalam_era":1136,"nanakshahi_year":491,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Ṣaṣṭhī · Vikram 2017 Pramādī · Śaka 1882 Śārvarī"},"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":[]},"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 January 4, 1960 CE · Perth, Australia · Vidhyamitra","description":"January 4, 1960 CE for Perth, Australia: Śukla Ṣaṣṭhī, sūryodaya 05:16, sūryāsta 19:27.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1960-01-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1960-01-04","sa":"https://sa.vidhyamitra.com/city/perth/1960-01-04","hi":"https://hi.vidhyamitra.com/city/perth/1960-01-04","x-default":"https://vidhyamitra.com/city/perth/1960-01-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T21:42:31.526Z","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":"2026-06-02T21:42:31.526Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T21:42:31.526Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}