{"id":"vidhyamitra:city-day:perth:2012-02-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2012-02-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2012-02-16","date_display":"February 16, 2012 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":2012,"month":2,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455973.770833,"kali_year":5113,"ahargana":1867508.2708,"sun":{"sidereal_longitude":302.8085,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":229.1558,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":286.3473,"elapsed_within_tithi_degrees":10.3473},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1,"moon_longitude":229.1558,"elapsed_within_degrees":2.4891},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":171.9643},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2012,"month":2,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455973.770833,"ahargana":1867508.2708,"kali_year":5113,"ayanamsa_lahiri":24.0224,"grahas":{"sun":{"sidereal_longitude":302.735899,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":229.89049899999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false,"latitude":-0.0996},"mars":{"sidereal_longitude":145.43989899999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":309.40919899999994,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":10.490399000000025,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":344.923799,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":185.16789900000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":230.4247,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":50.4247,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","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":2012,"month":2,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455973.770833,"kali_year":5113,"ahargana":1867508.2708,"sun":{"sidereal_longitude":302.8085,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":229.1558,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":286.3473,"elapsed_within_tithi_degrees":10.3473},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1,"moon_longitude":229.1558,"elapsed_within_degrees":2.4891},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":171.9643},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.1,"elongation":73.653},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.1,"opposition_distance":106.347}},"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":"05:55","sunsetLocal":"19:07","solarNoonLocal":"12:31","dayLengthHours":13.203475551683375,"dayLengthDisplay":"13 Hours 12 Mins 13 Secs","nightLengthDisplay":"10 Hours 47 Mins 47 Secs","moonriseLocal":"00:37","moonsetLocal":"14:43","rahuKala":{"name":"Rāhu Kāla","start":"14:10","end":"15:49","startHours":14.168701253993024,"endHours":15.819135697953449,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:55","end":"07:34","startHours":5.9165290341909165,"endHours":7.566963478151338,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:13","end":"10:52","startHours":9.217397922111761,"endHours":10.867832366072182,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:00","end":"09:26","startHours":8.997339996250371,"endHours":9.43745584797315,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:28","end":"06:49","startHours":6.4666738488443904,"endHours":6.8187665302226135,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:05","end":"12:58","startHours":12.078150958309823,"endHours":12.958382661755383,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:09","end":"05:02","startHours":4.1560656272998,"endHours":5.0362973307453585,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:49","end":"05:55","startHours":4.8162394048839685,"endHours":5.9165290341909165,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:43","end":"15:36","startHours":14.7188460686465,"endHours":15.599077772092057,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:55","end":"19:19","startHours":18.920004585874292,"endHours":19.32000458587429,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:07","end":"19:40","startHours":19.12000458587429,"endHours":19.670149400527766,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:52","end":"20:37","startHours":18.87000458587429,"endHours":20.62000458587429,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:05","end":"00:58","startHours":24.078150958309823,"endHours":24.958382661755383,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:55","end":"07:34","startHours":5.9165290341909165,"endHours":7.566963478151338,"quality":"auspicious"},{"name":"Roga","start":"07:34","end":"09:13","startHours":7.566963478151338,"endHours":9.217397922111761,"quality":"inauspicious"},{"name":"Udveg","start":"09:13","end":"10:52","startHours":9.217397922111761,"endHours":10.867832366072182,"quality":"inauspicious"},{"name":"Chala","start":"10:52","end":"12:31","startHours":10.867832366072182,"endHours":12.518266810032603,"quality":"neutral"},{"name":"Labha","start":"12:31","end":"14:10","startHours":12.518266810032603,"endHours":14.168701253993024,"quality":"auspicious"},{"name":"Amṛta","start":"14:10","end":"15:49","startHours":14.168701253993024,"endHours":15.819135697953449,"quality":"auspicious"},{"name":"Kāla","start":"15:49","end":"17:28","startHours":15.819135697953449,"endHours":17.46957014191387,"quality":"inauspicious"},{"name":"Śubha","start":"17:28","end":"19:07","startHours":17.46957014191387,"endHours":19.12000458587429,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"19:07","end":"20:28","startHours":19.12000458587429,"endHours":20.46957014191387,"quality":"auspicious"},{"name":"Kāla","start":"20:28","end":"21:49","startHours":20.46957014191387,"endHours":21.81913569795345,"quality":"inauspicious"},{"name":"Śubha","start":"21:49","end":"23:10","startHours":21.81913569795345,"endHours":23.168701253993024,"quality":"auspicious"},{"name":"Roga","start":"23:10","end":"00:31","startHours":23.168701253993024,"endHours":24.518266810032603,"quality":"inauspicious"},{"name":"Udveg","start":"00:31","end":"01:52","startHours":24.518266810032603,"endHours":25.867832366072182,"quality":"inauspicious"},{"name":"Chala","start":"01:52","end":"03:13","startHours":25.867832366072182,"endHours":27.217397922111758,"quality":"neutral"},{"name":"Labha","start":"03:13","end":"04:34","startHours":27.217397922111758,"endHours":28.566963478151337,"quality":"auspicious"},{"name":"Amṛta","start":"04:34","end":"05:55","startHours":28.566963478151337,"endHours":29.916529034190916,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:55","end":"06:55","startHours":5.9165290341909165,"endHours":6.9165290341909165,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:55","end":"07:55","startHours":6.9165290341909165,"endHours":7.9165290341909165,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:55","end":"08:55","startHours":7.9165290341909165,"endHours":8.916529034190916,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:55","end":"09:55","startHours":8.916529034190916,"endHours":9.916529034190916,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:55","end":"10:55","startHours":9.916529034190916,"endHours":10.916529034190916,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:55","end":"11:55","startHours":10.916529034190916,"endHours":11.916529034190916,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:55","end":"12:55","startHours":11.916529034190916,"endHours":12.916529034190916,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:55","end":"13:55","startHours":12.916529034190916,"endHours":13.916529034190916,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:55","end":"14:55","startHours":13.916529034190916,"endHours":14.916529034190916,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:55","end":"15:55","startHours":14.916529034190916,"endHours":15.916529034190916,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:55","end":"16:55","startHours":15.916529034190916,"endHours":16.916529034190916,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:55","end":"17:55","startHours":16.916529034190916,"endHours":17.916529034190916,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:55","end":"18:55","startHours":17.916529034190916,"endHours":18.916529034190916,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:55","end":"19:55","startHours":18.916529034190916,"endHours":19.916529034190916,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:55","end":"20:55","startHours":19.916529034190916,"endHours":20.916529034190916,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:55","end":"21:55","startHours":20.916529034190916,"endHours":21.916529034190916,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:55","end":"22:55","startHours":21.916529034190916,"endHours":22.916529034190916,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:55","end":"23:55","startHours":22.916529034190916,"endHours":23.916529034190916,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:55","end":"00:55","startHours":23.916529034190916,"endHours":24.916529034190916,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:55","end":"01:55","startHours":24.916529034190916,"endHours":25.916529034190916,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:55","end":"02:55","startHours":25.916529034190916,"endHours":26.916529034190916,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:55","end":"03:55","startHours":26.916529034190916,"endHours":27.916529034190916,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:55","end":"04:55","startHours":27.916529034190916,"endHours":28.916529034190916,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:55","end":"05:55","startHours":28.916529034190916,"endHours":29.916529034190916,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"North-East","rahuVasa":"North-West","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"drikRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-12.593107215822327,"eotMinutes":-14.538008601956186,"ayanamsa":24.0224}},"calendars":{"vikram_samvat":2069,"vikram_samvatsara":"Viśvāvasu","saka_samvat":1934,"saka_samvatsara":"Nandana","bengali_samvat":1419,"malayalam_era":1188,"nanakshahi_year":543,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa Pakṣa","solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Kṛṣṇa Navamī · Vikram 2069 Viśvāvasu · Śaka 1934 Nandana"},"festivals":[{"id":"kumbha-sankranti","name":"Kumbha Saṅkrānti","name_sanskrit":"कुम्भ सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aquarius; Kumbha-māsa begins.","vrata":false,"detection":{"sun_rashi":"Kumbha"},"precedence":5}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Jyeṣṭhā","url":"/day/-3137-10-20","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 February 16, 2012 CE · Perth, Australia · Vidhyamitra","description":"February 16, 2012 CE for Perth, Australia: Kṛṣṇa Navamī, sūryodaya 05:55, sūryāsta 19:07.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2012-02-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2012-02-16","sa":"https://sa.vidhyamitra.com/city/perth/2012-02-16","hi":"https://hi.vidhyamitra.com/city/perth/2012-02-16","x-default":"https://vidhyamitra.com/city/perth/2012-02-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T23:32:20.839Z","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":"2026-05-15T23:32:20.839Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T23:32:20.839Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}