{"id":"vidhyamitra:city-day:perth:1968-09-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1968-09-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1968-09-16","date_display":"September 16, 1968 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":1968,"month":9,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2440115.770833,"kali_year":5070,"ahargana":1851650.2708,"sun":{"sidereal_longitude":149.1662,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":73.4457,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":284.2795,"elapsed_within_tithi_degrees":8.2795},"nakshatra":{"number":6,"name":"Ārdrā","pada":3,"moon_longitude":73.4457,"elapsed_within_degrees":6.779},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":222.6119},"karana":{"half_tithi_index":47,"name":"Gara"},"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":1968,"month":9,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2440115.770833,"ahargana":1851650.2708,"kali_year":5070,"ayanamsa_lahiri":23.4159,"grahas":{"sun":{"sidereal_longitude":149.81989099999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":72.755491,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false,"latitude":4.4643},"mars":{"sidereal_longitude":123.39029099999999,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":176.19929100000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":145.00739099999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":173.946191,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":1.4026910000000044,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":350.6579,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":170.6579,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","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":1968,"month":9,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2440115.770833,"kali_year":5070,"ahargana":1851650.2708,"sun":{"sidereal_longitude":149.1662,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":73.4457,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":284.2795,"elapsed_within_tithi_degrees":8.2795},"nakshatra":{"number":6,"name":"Ārdrā","pada":3,"moon_longitude":73.4457,"elapsed_within_degrees":6.779},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":222.6119},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.464,"elongation":75.72},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.464,"opposition_distance":104.28}},"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":"06:13","sunsetLocal":"18:08","solarNoonLocal":"12:11","dayLengthHours":11.90758988758202,"dayLengthDisplay":"11 Hours 54 Mins 27 Secs","nightLengthDisplay":"12 Hours 05 Mins 33 Secs","moonriseLocal":"02:02","moonsetLocal":"12:03","rahuKala":{"name":"Rāhu Kāla","start":"07:43","end":"09:12","startHours":7.71281527497793,"endHours":9.201264010925684,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:41","end":"12:11","startHours":10.689712746873436,"endHours":12.178161482821189,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:40","end":"15:09","startHours":13.666610218768941,"endHours":15.155058954716694,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:00","end":"09:24","startHours":9.002804179465983,"endHours":9.399723842385383,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:43","end":"07:02","startHours":6.720516117679429,"endHours":7.038051848014949,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:47","end":"12:35","startHours":11.781241819901789,"endHours":12.575081145740588,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:38","end":"05:26","startHours":4.636687887352575,"endHours":5.430527213191376,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:14","end":"06:13","startHours":5.232067381731676,"endHours":6.224366539030178,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:57","startHours":14.162759797418191,"endHours":14.956599123256993,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:56","end":"18:20","startHours":17.9319564266122,"endHours":18.331956426612198,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:08","end":"18:38","startHours":18.1319564266122,"endHours":18.62810600526145,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:53","end":"19:38","startHours":17.8819564266122,"endHours":19.6319564266122,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:47","end":"00:35","startHours":23.781241819901787,"endHours":24.57508114574059,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:13","end":"07:43","startHours":6.224366539030178,"endHours":7.71281527497793,"quality":"auspicious"},{"name":"Kāla","start":"07:43","end":"09:12","startHours":7.71281527497793,"endHours":9.201264010925684,"quality":"inauspicious"},{"name":"Śubha","start":"09:12","end":"10:41","startHours":9.201264010925684,"endHours":10.689712746873436,"quality":"auspicious"},{"name":"Roga","start":"10:41","end":"12:11","startHours":10.689712746873436,"endHours":12.178161482821189,"quality":"inauspicious"},{"name":"Udveg","start":"12:11","end":"13:40","startHours":12.178161482821189,"endHours":13.666610218768941,"quality":"inauspicious"},{"name":"Chala","start":"13:40","end":"15:09","startHours":13.666610218768941,"endHours":15.155058954716694,"quality":"neutral"},{"name":"Labha","start":"15:09","end":"16:39","startHours":15.155058954716694,"endHours":16.643507690664446,"quality":"auspicious"},{"name":"Amṛta","start":"16:39","end":"18:08","startHours":16.643507690664446,"endHours":18.1319564266122,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:08","end":"19:39","startHours":18.1319564266122,"endHours":19.643507690664446,"quality":"neutral"},{"name":"Labha","start":"19:39","end":"21:09","startHours":19.643507690664446,"endHours":21.155058954716694,"quality":"auspicious"},{"name":"Amṛta","start":"21:09","end":"22:40","startHours":21.155058954716694,"endHours":22.66661021876894,"quality":"auspicious"},{"name":"Kāla","start":"22:40","end":"00:11","startHours":22.66661021876894,"endHours":24.17816148282119,"quality":"inauspicious"},{"name":"Śubha","start":"00:11","end":"01:41","startHours":24.17816148282119,"endHours":25.689712746873436,"quality":"auspicious"},{"name":"Roga","start":"01:41","end":"03:12","startHours":25.689712746873436,"endHours":27.201264010925684,"quality":"inauspicious"},{"name":"Udveg","start":"03:12","end":"04:43","startHours":27.201264010925684,"endHours":28.71281527497793,"quality":"inauspicious"},{"name":"Chala","start":"04:43","end":"06:13","startHours":28.71281527497793,"endHours":30.22436653903018,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:13","end":"07:13","startHours":6.224366539030178,"endHours":7.224366539030178,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:13","end":"08:13","startHours":7.224366539030178,"endHours":8.224366539030179,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:13","end":"09:13","startHours":8.224366539030179,"endHours":9.224366539030179,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:13","end":"10:13","startHours":9.224366539030179,"endHours":10.224366539030179,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:13","end":"11:13","startHours":10.224366539030179,"endHours":11.224366539030179,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:13","end":"12:13","startHours":11.224366539030179,"endHours":12.224366539030179,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:13","end":"13:13","startHours":12.224366539030179,"endHours":13.224366539030179,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:13","end":"14:13","startHours":13.224366539030179,"endHours":14.224366539030179,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:13","end":"15:13","startHours":14.224366539030179,"endHours":15.224366539030179,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:13","end":"16:13","startHours":15.224366539030179,"endHours":16.22436653903018,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:13","end":"17:13","startHours":16.22436653903018,"endHours":17.22436653903018,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:13","end":"18:13","startHours":17.22436653903018,"endHours":18.22436653903018,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:13","end":"19:13","startHours":18.22436653903018,"endHours":19.22436653903018,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:13","end":"20:13","startHours":19.22436653903018,"endHours":20.22436653903018,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:13","end":"21:13","startHours":20.22436653903018,"endHours":21.22436653903018,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:13","end":"22:13","startHours":21.22436653903018,"endHours":22.22436653903018,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:13","end":"23:13","startHours":22.22436653903018,"endHours":23.22436653903018,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:13","end":"00:13","startHours":23.22436653903018,"endHours":24.22436653903018,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:13","end":"01:13","startHours":24.22436653903018,"endHours":25.22436653903018,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:13","end":"02:13","startHours":25.22436653903018,"endHours":26.22436653903018,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:13","end":"03:13","startHours":26.22436653903018,"endHours":27.22436653903018,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:13","end":"04:13","startHours":27.22436653903018,"endHours":28.22436653903018,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:13","end":"05:13","startHours":28.22436653903018,"endHours":29.22436653903018,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:13","end":"06:13","startHours":29.22436653903018,"endHours":30.22436653903018,"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","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":2.685083060892976,"eotMinutes":5.868311030728706,"ayanamsa":23.4159}},"calendars":{"vikram_samvat":2025,"vikram_samvatsara":"Durmati","saka_samvat":1890,"saka_samvatsara":"Kīlaka","bengali_samvat":1375,"malayalam_era":1144,"nanakshahi_year":499,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Siṃha (Āvaṇi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Navamī · Vikram 2025 Durmati · Śaka 1890 Kīlaka"},"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 September 16, 1968 CE · Perth, Australia · Vidhyamitra","description":"September 16, 1968 CE for Perth, Australia: Kṛṣṇa Navamī, sūryodaya 06:13, sūryāsta 18:08.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1968-09-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1968-09-16","sa":"https://sa.vidhyamitra.com/city/perth/1968-09-16","hi":"https://hi.vidhyamitra.com/city/perth/1968-09-16","x-default":"https://vidhyamitra.com/city/perth/1968-09-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T12:34:20.528Z","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":"2026-06-02T12:34:20.528Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T12:34:20.528Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}