{"id":"vidhyamitra:city-day:perth:1965-01-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1965-01-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1965-01-15","date_display":"January 15, 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":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438775.770833,"kali_year":5066,"ahargana":1850310.2708,"sun":{"sidereal_longitude":271.3001,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":57.7101,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":146.41,"elapsed_within_tithi_degrees":2.41},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":2,"moon_longitude":57.7101,"elapsed_within_degrees":4.3768},"yoga":{"number":25,"name":"Brahma","sum_longitude":329.0103},"karana":{"half_tithi_index":24,"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":1965,"month":1,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2438775.770833,"ahargana":1850310.2708,"kali_year":5066,"ayanamsa_lahiri":23.3646,"grahas":{"sun":{"sidereal_longitude":271.32688900000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":55.63908900000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false,"latitude":-0.3095},"mars":{"sidereal_longitude":153.95598900000005,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":249.40258900000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":23.466289000000017,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":250.53398900000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":309.98358900000005,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":61.6575,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":241.6575,"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":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438775.770833,"kali_year":5066,"ahargana":1850310.2708,"sun":{"sidereal_longitude":271.3001,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":57.7101,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":146.41,"elapsed_within_tithi_degrees":2.41},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":2,"moon_longitude":57.7101,"elapsed_within_degrees":4.3768},"yoga":{"number":25,"name":"Brahma","sum_longitude":329.0103},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.309,"elongation":146.41},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.309,"opposition_distance":33.59}},"eclipse_window_40days":[{"offset_days":-12,"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":"05:26","sunsetLocal":"19:26","solarNoonLocal":"12:26","dayLengthHours":14.009999436330016,"dayLengthDisplay":"14 Hours 00 Mins 36 Secs","nightLengthDisplay":"9 Hours 59 Mins 24 Secs","moonriseLocal":"17:01","moonsetLocal":"03:05","rahuKala":{"name":"Rāhu Kāla","start":"10:41","end":"12:26","startHours":10.680549227894303,"endHours":12.431799157435556,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:56","end":"17:41","startHours":15.934299016518057,"endHours":17.68554894605931,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:11","end":"08:56","startHours":7.178049368811799,"endHours":8.929299298353051,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:42","end":"09:10","startHours":8.695799307747551,"endHours":9.162799288958551,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:01","end":"06:23","startHours":6.010549415784298,"endHours":6.384149400753098,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:58","end":"12:54","startHours":11.964799176224554,"endHours":12.898799138646554,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:34","end":"04:30","startHours":3.5587995144265445,"endHours":4.492799476848546,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:16","end":"05:26","startHours":4.259299486243045,"endHours":5.426799439270547,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:46","end":"15:42","startHours":14.76679906349056,"endHours":15.700799025912561,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:14","end":"19:38","startHours":19.236798875600563,"endHours":19.63679887560056,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:26","end":"20:01","startHours":19.436798875600562,"endHours":20.020548852114313,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:11","end":"20:56","startHours":19.186798875600562,"endHours":20.936798875600562,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:58","end":"00:54","startHours":23.964799176224556,"endHours":24.898799138646556,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:26","end":"07:11","startHours":5.426799439270547,"endHours":7.178049368811799,"quality":"neutral"},{"name":"Labha","start":"07:11","end":"08:56","startHours":7.178049368811799,"endHours":8.929299298353051,"quality":"auspicious"},{"name":"Amṛta","start":"08:56","end":"10:41","startHours":8.929299298353051,"endHours":10.680549227894303,"quality":"auspicious"},{"name":"Kāla","start":"10:41","end":"12:26","startHours":10.680549227894303,"endHours":12.431799157435556,"quality":"inauspicious"},{"name":"Śubha","start":"12:26","end":"14:11","startHours":12.431799157435556,"endHours":14.183049086976808,"quality":"auspicious"},{"name":"Roga","start":"14:11","end":"15:56","startHours":14.183049086976808,"endHours":15.934299016518057,"quality":"inauspicious"},{"name":"Udveg","start":"15:56","end":"17:41","startHours":15.934299016518057,"endHours":17.68554894605931,"quality":"inauspicious"},{"name":"Chala","start":"17:41","end":"19:26","startHours":17.68554894605931,"endHours":19.436798875600562,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"19:26","end":"20:41","startHours":19.436798875600562,"endHours":20.68554894605931,"quality":"inauspicious"},{"name":"Udveg","start":"20:41","end":"21:56","startHours":20.68554894605931,"endHours":21.934299016518057,"quality":"inauspicious"},{"name":"Chala","start":"21:56","end":"23:11","startHours":21.934299016518057,"endHours":23.183049086976805,"quality":"neutral"},{"name":"Labha","start":"23:11","end":"00:26","startHours":23.183049086976805,"endHours":24.431799157435556,"quality":"auspicious"},{"name":"Amṛta","start":"00:26","end":"01:41","startHours":24.431799157435556,"endHours":25.680549227894303,"quality":"auspicious"},{"name":"Kāla","start":"01:41","end":"02:56","startHours":25.680549227894303,"endHours":26.92929929835305,"quality":"inauspicious"},{"name":"Śubha","start":"02:56","end":"04:11","startHours":26.92929929835305,"endHours":28.1780493688118,"quality":"auspicious"},{"name":"Roga","start":"04:11","end":"05:26","startHours":28.1780493688118,"endHours":29.426799439270546,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:26","end":"06:26","startHours":5.426799439270547,"endHours":6.426799439270547,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:26","end":"07:26","startHours":6.426799439270547,"endHours":7.426799439270547,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:26","end":"08:26","startHours":7.426799439270547,"endHours":8.426799439270546,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:26","end":"09:26","startHours":8.426799439270546,"endHours":9.426799439270546,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:26","end":"10:26","startHours":9.426799439270546,"endHours":10.426799439270546,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:26","end":"11:26","startHours":10.426799439270546,"endHours":11.426799439270546,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:26","end":"12:26","startHours":11.426799439270546,"endHours":12.426799439270546,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:26","end":"13:26","startHours":12.426799439270546,"endHours":13.426799439270546,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:26","end":"14:26","startHours":13.426799439270546,"endHours":14.426799439270546,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:26","end":"15:26","startHours":14.426799439270546,"endHours":15.426799439270546,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:26","end":"16:26","startHours":15.426799439270546,"endHours":16.426799439270546,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:26","end":"17:26","startHours":16.426799439270546,"endHours":17.426799439270546,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:26","end":"18:26","startHours":17.426799439270546,"endHours":18.426799439270546,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:26","end":"19:26","startHours":18.426799439270546,"endHours":19.426799439270546,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:26","end":"20:26","startHours":19.426799439270546,"endHours":20.426799439270546,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:26","end":"21:26","startHours":20.426799439270546,"endHours":21.426799439270546,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:26","end":"22:26","startHours":21.426799439270546,"endHours":22.426799439270546,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:26","end":"23:26","startHours":22.426799439270546,"endHours":23.426799439270546,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:26","end":"00:26","startHours":23.426799439270546,"endHours":24.426799439270546,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:26","end":"01:26","startHours":24.426799439270546,"endHours":25.426799439270546,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:26","end":"02:26","startHours":25.426799439270546,"endHours":26.426799439270546,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:26","end":"03:26","startHours":26.426799439270546,"endHours":27.426799439270546,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:26","end":"04:26","startHours":27.426799439270546,"endHours":28.426799439270546,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:26","end":"05:26","startHours":28.426799439270546,"endHours":29.426799439270546,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"South-East","anandadiYoga":{"name":"Rākṣasa","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-21.184225850185808,"eotMinutes":-9.349949446133257,"ayanamsa":23.3646}},"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":"Makara (Tai)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Trayodaśī · Vikram 2022 Kālayukta · Śaka 1887 Viśvāvasu"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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 January 15, 1965 CE · Perth, Australia · Vidhyamitra","description":"January 15, 1965 CE for Perth, Australia: Śukla Trayodaśī, sūryodaya 05:26, sūryāsta 19:26.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1965-01-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1965-01-15","sa":"https://sa.vidhyamitra.com/city/perth/1965-01-15","hi":"https://hi.vidhyamitra.com/city/perth/1965-01-15","x-default":"https://vidhyamitra.com/city/perth/1965-01-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T20:11:59.064Z","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":"2026-06-02T20:11:59.064Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T20:11:59.064Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}