{"id":"vidhyamitra:city-day:perth:2009-02-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2009-02-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2009-02-12","date_display":"February 12, 2009 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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2009,"month":2,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2454874.770833,"kali_year":5110,"ahargana":1866409.2708,"sun":{"sidereal_longitude":299.5341,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":151.8408,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":212.3068,"elapsed_within_tithi_degrees":8.3068},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":151.8408,"elapsed_within_degrees":5.1742},"yoga":{"number":7,"name":"Sukarma","sum_longitude":91.3749},"karana":{"half_tithi_index":35,"name":"Viṣṭi"},"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":2009,"month":2,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2454874.770833,"ahargana":1866409.2708,"kali_year":5110,"ayanamsa_lahiri":23.9804,"grahas":{"sun":{"sidereal_longitude":299.47078899999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":151.706589,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false,"latitude":-3.078},"mars":{"sidereal_longitude":281.631089,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":273.286289,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":285.279489,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"venus":{"sidereal_longitude":342.688989,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":146.059389,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":288.655,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":108.655,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2009,"month":2,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2454874.770833,"kali_year":5110,"ahargana":1866409.2708,"sun":{"sidereal_longitude":299.5341,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":151.8408,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":212.3068,"elapsed_within_tithi_degrees":8.3068},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":151.8408,"elapsed_within_degrees":5.1742},"yoga":{"number":7,"name":"Sukarma","sum_longitude":91.3749},"karana":{"half_tithi_index":35,"name":"Viṣṭi"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.078,"elongation":147.693},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.078,"opposition_distance":32.307}},"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":"05:52","sunsetLocal":"19:10","solarNoonLocal":"12:31","dayLengthHours":13.302557591673391,"dayLengthDisplay":"13 Hours 18 Mins 09 Secs","nightLengthDisplay":"10 Hours 41 Mins 51 Secs","moonriseLocal":"20:42","moonsetLocal":"08:39","rahuKala":{"name":"Rāhu Kāla","start":"14:11","end":"15:51","startHours":14.182031900540679,"endHours":15.844851599499854,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:52","end":"07:32","startHours":5.86793340574481,"endHours":7.530753104703984,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:12","end":"10:51","startHours":9.193572803663159,"endHours":10.856392502622331,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:58","end":"09:25","startHours":8.971863510468602,"endHours":9.415282096857714,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:25","end":"06:47","startHours":6.422206638731201,"endHours":6.7769415078424915,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:05","end":"12:58","startHours":12.075793615192394,"endHours":12.96263078797062,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:06","end":"04:59","startHours":4.094259060188358,"endHours":4.981096232966584,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:46","end":"05:52","startHours":4.759386939772027,"endHours":5.86793340574481,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:44","end":"15:37","startHours":14.736305133527072,"endHours":15.623142306305297,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:58","end":"19:22","startHours":18.970490997418203,"endHours":19.3704909974182,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:10","end":"19:43","startHours":19.170490997418202,"endHours":19.724764230404595,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:55","end":"20:40","startHours":18.920490997418202,"endHours":20.670490997418202,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:05","end":"00:58","startHours":24.075793615192392,"endHours":24.96263078797062,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:52","end":"07:32","startHours":5.86793340574481,"endHours":7.530753104703984,"quality":"auspicious"},{"name":"Roga","start":"07:32","end":"09:12","startHours":7.530753104703984,"endHours":9.193572803663159,"quality":"inauspicious"},{"name":"Udveg","start":"09:12","end":"10:51","startHours":9.193572803663159,"endHours":10.856392502622331,"quality":"inauspicious"},{"name":"Chala","start":"10:51","end":"12:31","startHours":10.856392502622331,"endHours":12.519212201581507,"quality":"neutral"},{"name":"Labha","start":"12:31","end":"14:11","startHours":12.519212201581507,"endHours":14.182031900540679,"quality":"auspicious"},{"name":"Amṛta","start":"14:11","end":"15:51","startHours":14.182031900540679,"endHours":15.844851599499854,"quality":"auspicious"},{"name":"Kāla","start":"15:51","end":"17:30","startHours":15.844851599499854,"endHours":17.507671298459027,"quality":"inauspicious"},{"name":"Śubha","start":"17:30","end":"19:10","startHours":17.507671298459027,"endHours":19.170490997418202,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"19:10","end":"20:30","startHours":19.170490997418202,"endHours":20.50767129845903,"quality":"auspicious"},{"name":"Kāla","start":"20:30","end":"21:51","startHours":20.50767129845903,"endHours":21.844851599499854,"quality":"inauspicious"},{"name":"Śubha","start":"21:51","end":"23:11","startHours":21.844851599499854,"endHours":23.18203190054068,"quality":"auspicious"},{"name":"Roga","start":"23:11","end":"00:31","startHours":23.18203190054068,"endHours":24.519212201581507,"quality":"inauspicious"},{"name":"Udveg","start":"00:31","end":"01:51","startHours":24.519212201581507,"endHours":25.856392502622334,"quality":"inauspicious"},{"name":"Chala","start":"01:51","end":"03:12","startHours":25.856392502622334,"endHours":27.19357280366316,"quality":"neutral"},{"name":"Labha","start":"03:12","end":"04:32","startHours":27.19357280366316,"endHours":28.530753104703983,"quality":"auspicious"},{"name":"Amṛta","start":"04:32","end":"05:52","startHours":28.530753104703983,"endHours":29.86793340574481,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:52","end":"06:52","startHours":5.86793340574481,"endHours":6.86793340574481,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:52","end":"07:52","startHours":6.86793340574481,"endHours":7.86793340574481,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:52","end":"08:52","startHours":7.86793340574481,"endHours":8.867933405744811,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:52","end":"09:52","startHours":8.867933405744811,"endHours":9.867933405744811,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:52","end":"10:52","startHours":9.867933405744811,"endHours":10.867933405744811,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:52","end":"11:52","startHours":10.867933405744811,"endHours":11.867933405744811,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:52","end":"12:52","startHours":11.867933405744811,"endHours":12.867933405744811,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:52","end":"13:52","startHours":12.867933405744811,"endHours":13.867933405744811,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:52","end":"14:52","startHours":13.867933405744811,"endHours":14.867933405744811,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:52","end":"15:52","startHours":14.867933405744811,"endHours":15.867933405744811,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:52","end":"16:52","startHours":15.867933405744811,"endHours":16.86793340574481,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:52","end":"17:52","startHours":16.86793340574481,"endHours":17.86793340574481,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:52","end":"18:52","startHours":17.86793340574481,"endHours":18.86793340574481,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:52","end":"19:52","startHours":18.86793340574481,"endHours":19.86793340574481,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:52","end":"20:52","startHours":19.86793340574481,"endHours":20.86793340574481,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:52","end":"21:52","startHours":20.86793340574481,"endHours":21.86793340574481,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:52","end":"22:52","startHours":21.86793340574481,"endHours":22.86793340574481,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:52","end":"23:52","startHours":22.86793340574481,"endHours":23.86793340574481,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:52","end":"00:52","startHours":23.86793340574481,"endHours":24.86793340574481,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:52","end":"01:52","startHours":24.86793340574481,"endHours":25.86793340574481,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:52","end":"02:52","startHours":25.86793340574481,"endHours":26.86793340574481,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:52","end":"03:52","startHours":26.86793340574481,"endHours":27.86793340574481,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:52","end":"04:52","startHours":27.86793340574481,"endHours":28.86793340574481,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:52","end":"05:52","startHours":28.86793340574481,"endHours":29.86793340574481,"planetary_lord":"Moon"}],"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","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"North-West","rahuVasa":"North-West","anandadiYoga":{"name":"Dhātṛ","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-13.700853495821036,"eotMinutes":-14.594732094890398,"ayanamsa":23.9804}},"calendars":{"vikram_samvat":2066,"vikram_samvatsara":"Śubhakṛt","saka_samvat":1931,"saka_samvatsara":"Virodhi","bengali_samvat":1416,"malayalam_era":1185,"nanakshahi_year":540,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Kṛṣṇa Tṛtīyā · Vikram 2066 Śubhakṛt · Śaka 1931 Virodhi"},"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_ingress":"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":"Dedicated festival walk for Kumbha Saṅkrānti is not live yet; Guruvāra (Thursday) — 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 February 12, 2009 CE · Perth, Australia · Vidhyamitra","description":"February 12, 2009 CE for Perth, Australia: Kṛṣṇa Tṛtīyā, sūryodaya 05:52, sūryāsta 19:10.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2009-02-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2009-02-12","sa":"https://sa.vidhyamitra.com/city/perth/2009-02-12","hi":"https://hi.vidhyamitra.com/city/perth/2009-02-12","x-default":"https://vidhyamitra.com/city/perth/2009-02-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-22T02:43:49.174Z","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":"2026-09-22T02:43:49.174Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-22T02:43:49.174Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no single city is the universal center.","purna_chain":["Hosted scripture","Named-tradition interpretation","Original Vidhyamitra contemplation","Bhūmi-born material medium","Vidhyamitra portal","Responsible reader in their own kṣetra"],"claim_boundary":"The legacy purna_chain field carries a source-to-reader sequence, not a revealed physical descent, universal cosmology, or proof that software is conscious.","antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}