{"id":"vidhyamitra:city-day:perth:1965-01-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1965-01-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1965-01-04","date_display":"January 4, 1965 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":1965,"month":1,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438764.770833,"kali_year":5066,"ahargana":1850299.2708,"sun":{"sidereal_longitude":259.997,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":274.3839,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":14.3869,"elapsed_within_tithi_degrees":2.3869},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3,"moon_longitude":274.3839,"elapsed_within_degrees":7.7173},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":174.381},"karana":{"half_tithi_index":2,"name":"Bālava"},"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":1965,"month":1,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2438764.770833,"ahargana":1850299.2708,"kali_year":5066,"ayanamsa_lahiri":23.3642,"grahas":{"sun":{"sidereal_longitude":260.11790900000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":272.63910899999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false,"latitude":-2.3924},"mars":{"sidereal_longitude":151.67390899999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":237.899409,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":23.493809,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":true},"venus":{"sidereal_longitude":236.78850899999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":308.890309,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":62.2404,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":242.2404,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"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":1965,"month":1,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438764.770833,"kali_year":5066,"ahargana":1850299.2708,"sun":{"sidereal_longitude":259.997,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":274.3839,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":14.3869,"elapsed_within_tithi_degrees":2.3869},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3,"moon_longitude":274.3839,"elapsed_within_degrees":7.7173},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":174.381},"karana":{"half_tithi_index":2,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.392,"elongation":14.387},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.392,"opposition_distance":165.613}},"eclipse_window_40days":[{"offset_days":-16,"type":"lunar","occurs":true,"moon_latitude":-0.087,"opposition_distance":1.579},{"offset_days":-1,"type":"solar","occurs":true,"moon_latitude":-1.5,"elongation":2.813}]},"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":"05:17","sunsetLocal":"19:27","solarNoonLocal":"12:22","dayLengthHours":14.169255143172393,"dayLengthDisplay":"14 Hours 10 Mins 09 Secs","nightLengthDisplay":"9 Hours 49 Mins 51 Secs","moonriseLocal":"06:13","moonsetLocal":"20:10","rahuKala":{"name":"Rāhu Kāla","start":"07:03","end":"08:49","startHours":7.046227769066122,"endHours":8.81738466196267,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:35","end":"12:22","startHours":10.58854155485922,"endHours":12.359698447755768,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:08","end":"15:54","startHours":14.130855340652317,"endHours":15.902012233548867,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:35","end":"09:03","startHours":8.581230409576465,"endHours":9.053538914348877,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:52","end":"06:15","startHours":5.8654565071350895,"endHours":6.24330331095302,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:50","startHours":11.887389942983356,"endHours":12.83200695252818,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:23","end":"04:20","startHours":3.38583685707992,"endHours":4.3304538666247465,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:06","end":"05:17","startHours":4.09429961423854,"endHours":5.275070876169573,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:43","end":"15:40","startHours":14.721240971617835,"endHours":15.665857981162661,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:15","end":"19:39","startHours":19.244326019341965,"endHours":19.644326019341964,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:27","end":"20:02","startHours":19.444326019341965,"endHours":20.034711650307482,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:12","end":"20:57","startHours":19.194326019341965,"endHours":20.944326019341965,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:50","startHours":23.887389942983354,"endHours":24.832006952528182,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:17","end":"07:03","startHours":5.275070876169573,"endHours":7.046227769066122,"quality":"auspicious"},{"name":"Kāla","start":"07:03","end":"08:49","startHours":7.046227769066122,"endHours":8.81738466196267,"quality":"inauspicious"},{"name":"Śubha","start":"08:49","end":"10:35","startHours":8.81738466196267,"endHours":10.58854155485922,"quality":"auspicious"},{"name":"Roga","start":"10:35","end":"12:22","startHours":10.58854155485922,"endHours":12.359698447755768,"quality":"inauspicious"},{"name":"Udveg","start":"12:22","end":"14:08","startHours":12.359698447755768,"endHours":14.130855340652317,"quality":"inauspicious"},{"name":"Chala","start":"14:08","end":"15:54","startHours":14.130855340652317,"endHours":15.902012233548867,"quality":"neutral"},{"name":"Labha","start":"15:54","end":"17:40","startHours":15.902012233548867,"endHours":17.673169126445416,"quality":"auspicious"},{"name":"Amṛta","start":"17:40","end":"19:27","startHours":17.673169126445416,"endHours":19.444326019341965,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"19:27","end":"20:40","startHours":19.444326019341965,"endHours":20.673169126445416,"quality":"neutral"},{"name":"Labha","start":"20:40","end":"21:54","startHours":20.673169126445416,"endHours":21.902012233548867,"quality":"auspicious"},{"name":"Amṛta","start":"21:54","end":"23:08","startHours":21.902012233548867,"endHours":23.130855340652317,"quality":"auspicious"},{"name":"Kāla","start":"23:08","end":"00:22","startHours":23.130855340652317,"endHours":24.35969844775577,"quality":"inauspicious"},{"name":"Śubha","start":"00:22","end":"01:35","startHours":24.35969844775577,"endHours":25.58854155485922,"quality":"auspicious"},{"name":"Roga","start":"01:35","end":"02:49","startHours":25.58854155485922,"endHours":26.81738466196267,"quality":"inauspicious"},{"name":"Udveg","start":"02:49","end":"04:03","startHours":26.81738466196267,"endHours":28.04622776906612,"quality":"inauspicious"},{"name":"Chala","start":"04:03","end":"05:17","startHours":28.04622776906612,"endHours":29.275070876169572,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:17","end":"06:17","startHours":5.275070876169573,"endHours":6.275070876169573,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:17","end":"07:17","startHours":6.275070876169573,"endHours":7.275070876169573,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:17","end":"08:17","startHours":7.275070876169573,"endHours":8.275070876169572,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:17","end":"09:17","startHours":8.275070876169572,"endHours":9.275070876169572,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:17","end":"10:17","startHours":9.275070876169572,"endHours":10.275070876169572,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:17","end":"11:17","startHours":10.275070876169572,"endHours":11.275070876169572,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:17","end":"12:17","startHours":11.275070876169572,"endHours":12.275070876169572,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:17","end":"13:17","startHours":12.275070876169572,"endHours":13.275070876169572,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:17","end":"14:17","startHours":13.275070876169572,"endHours":14.275070876169572,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:17","end":"15:17","startHours":14.275070876169572,"endHours":15.275070876169572,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:17","end":"16:17","startHours":15.275070876169572,"endHours":16.275070876169572,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:17","end":"17:17","startHours":16.275070876169572,"endHours":17.275070876169572,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:17","end":"18:17","startHours":17.275070876169572,"endHours":18.275070876169572,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:17","end":"19:17","startHours":18.275070876169572,"endHours":19.275070876169572,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:17","end":"20:17","startHours":19.275070876169572,"endHours":20.275070876169572,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:17","end":"21:17","startHours":20.275070876169572,"endHours":21.275070876169572,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:17","end":"22:17","startHours":21.275070876169572,"endHours":22.275070876169572,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:17","end":"23:17","startHours":22.275070876169572,"endHours":23.275070876169572,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:17","end":"00:17","startHours":23.275070876169572,"endHours":24.275070876169572,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:17","end":"01:17","startHours":24.275070876169572,"endHours":25.275070876169572,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:17","end":"02:17","startHours":25.275070876169572,"endHours":26.275070876169572,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:17","end":"03:17","startHours":26.275070876169572,"endHours":27.275070876169572,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:17","end":"04:17","startHours":27.275070876169572,"endHours":28.275070876169572,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:17","end":"05:17","startHours":28.275070876169572,"endHours":29.275070876169572,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Rākṣasa","quality":"Inauspicious"},"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":-22.75379577212406,"eotMinutes":-5.02390686534617,"ayanamsa":23.3642}},"calendars":{"vikram_samvat":2022,"vikram_samvatsara":"Kālayukta","saka_samvat":1887,"saka_samvatsara":"Viśvāvasu","bengali_samvat":1372,"malayalam_era":1141,"nanakshahi_year":496,"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 Dvitīyā · Vikram 2022 Kālayukta · Śaka 1887 Viśvāvasu"},"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, 1965 CE · Perth, Australia · Vidhyamitra","description":"January 4, 1965 CE for Perth, Australia: Śukla Dvitīyā, sūryodaya 05:17, sūryāsta 19:27.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1965-01-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1965-01-04","sa":"https://sa.vidhyamitra.com/city/perth/1965-01-04","hi":"https://hi.vidhyamitra.com/city/perth/1965-01-04","x-default":"https://vidhyamitra.com/city/perth/1965-01-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T17:05:22.713Z","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":"2026-06-01T17:05:22.713Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T17:05:22.713Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}