{"id":"vidhyamitra:city-day:perth:2016-02-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2016-02-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2016-02-17","date_display":"February 17, 2016 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":2016,"month":2,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457435.770833,"kali_year":5117,"ahargana":1868970.2708,"sun":{"sidereal_longitude":303.7876,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":54.115,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":110.3274,"elapsed_within_tithi_degrees":2.3274},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":1,"moon_longitude":54.115,"elapsed_within_degrees":0.7817},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":357.9026},"karana":{"half_tithi_index":18,"name":"Taitila"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2016,"month":2,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2457435.770833,"ahargana":1868970.2708,"kali_year":5117,"ayanamsa_lahiri":24.0783,"grahas":{"sun":{"sidereal_longitude":303.72033999999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":55.49864000000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false,"latitude":-4.4464},"mars":{"sidereal_longitude":208.24843999999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":279.70903999999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":146.04044,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":true},"venus":{"sidereal_longitude":275.53703999999993,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":230.96353999999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":152.9609,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":332.9609,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","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":2016,"month":2,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457435.770833,"kali_year":5117,"ahargana":1868970.2708,"sun":{"sidereal_longitude":303.7876,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":54.115,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":110.3274,"elapsed_within_tithi_degrees":2.3274},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":1,"moon_longitude":54.115,"elapsed_within_degrees":0.7817},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":357.9026},"karana":{"half_tithi_index":18,"name":"Taitila"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.446,"elongation":110.327},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.446,"opposition_distance":69.673}},"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":"05:56","sunsetLocal":"19:06","solarNoonLocal":"12:31","dayLengthHours":13.171833408744405,"dayLengthDisplay":"13 Hours 10 Mins 19 Secs","nightLengthDisplay":"10 Hours 49 Mins 41 Secs","moonriseLocal":"14:57","moonsetLocal":"01:00","rahuKala":{"name":"Rāhu Kāla","start":"12:31","end":"14:10","startHours":12.517509472522267,"endHours":14.163988648615316,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:35","end":"09:13","startHours":7.578071944243114,"endHours":9.224551120336166,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:52","end":"12:31","startHours":10.871030296429215,"endHours":12.517509472522267,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:00","end":"09:27","startHours":9.005020563523757,"endHours":9.44408167714857,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:29","end":"06:50","startHours":6.48041916018108,"endHours":6.831668051080931,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:05","end":"12:57","startHours":12.078448358897454,"endHours":12.95657058614708,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:11","end":"05:03","startHours":4.17534831365081,"endHours":5.053470540900436,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:50","end":"05:56","startHours":4.83393998408803,"endHours":5.931592768150064,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:43","end":"15:35","startHours":14.712815040646333,"endHours":15.59093726789596,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:54","end":"19:18","startHours":18.90342617689447,"endHours":19.30342617689447,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:06","end":"19:39","startHours":19.10342617689447,"endHours":19.652252568925487,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:51","end":"20:36","startHours":18.85342617689447,"endHours":20.60342617689447,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:05","end":"00:57","startHours":24.078448358897454,"endHours":24.95657058614708,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:56","end":"07:35","startHours":5.931592768150064,"endHours":7.578071944243114,"quality":"auspicious"},{"name":"Amṛta","start":"07:35","end":"09:13","startHours":7.578071944243114,"endHours":9.224551120336166,"quality":"auspicious"},{"name":"Kāla","start":"09:13","end":"10:52","startHours":9.224551120336166,"endHours":10.871030296429215,"quality":"inauspicious"},{"name":"Śubha","start":"10:52","end":"12:31","startHours":10.871030296429215,"endHours":12.517509472522267,"quality":"auspicious"},{"name":"Roga","start":"12:31","end":"14:10","startHours":12.517509472522267,"endHours":14.163988648615316,"quality":"inauspicious"},{"name":"Udveg","start":"14:10","end":"15:49","startHours":14.163988648615316,"endHours":15.810467824708368,"quality":"inauspicious"},{"name":"Chala","start":"15:49","end":"17:27","startHours":15.810467824708368,"endHours":17.456947000801417,"quality":"neutral"},{"name":"Labha","start":"17:27","end":"19:06","startHours":17.456947000801417,"endHours":19.10342617689447,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"19:06","end":"20:27","startHours":19.10342617689447,"endHours":20.45694700080142,"quality":"inauspicious"},{"name":"Chala","start":"20:27","end":"21:49","startHours":20.45694700080142,"endHours":21.81046782470837,"quality":"neutral"},{"name":"Labha","start":"21:49","end":"23:10","startHours":21.81046782470837,"endHours":23.163988648615316,"quality":"auspicious"},{"name":"Amṛta","start":"23:10","end":"00:31","startHours":23.163988648615316,"endHours":24.517509472522267,"quality":"auspicious"},{"name":"Kāla","start":"00:31","end":"01:52","startHours":24.517509472522267,"endHours":25.87103029642922,"quality":"inauspicious"},{"name":"Śubha","start":"01:52","end":"03:13","startHours":25.87103029642922,"endHours":27.224551120336166,"quality":"auspicious"},{"name":"Roga","start":"03:13","end":"04:35","startHours":27.224551120336166,"endHours":28.578071944243113,"quality":"inauspicious"},{"name":"Udveg","start":"04:35","end":"05:56","startHours":28.578071944243113,"endHours":29.931592768150065,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:56","end":"06:56","startHours":5.931592768150064,"endHours":6.931592768150064,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:56","end":"07:56","startHours":6.931592768150064,"endHours":7.931592768150064,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:56","end":"08:56","startHours":7.931592768150064,"endHours":8.931592768150065,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:56","end":"09:56","startHours":8.931592768150065,"endHours":9.931592768150065,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:56","end":"10:56","startHours":9.931592768150065,"endHours":10.931592768150065,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:56","end":"11:56","startHours":10.931592768150065,"endHours":11.931592768150065,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:56","end":"12:56","startHours":11.931592768150065,"endHours":12.931592768150065,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:56","end":"13:56","startHours":12.931592768150065,"endHours":13.931592768150065,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:56","end":"14:56","startHours":13.931592768150065,"endHours":14.931592768150065,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:56","end":"15:56","startHours":14.931592768150065,"endHours":15.931592768150065,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:56","end":"16:56","startHours":15.931592768150065,"endHours":16.931592768150065,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:56","end":"17:56","startHours":16.931592768150065,"endHours":17.931592768150065,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:56","end":"18:56","startHours":17.931592768150065,"endHours":18.931592768150065,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:56","end":"19:56","startHours":18.931592768150065,"endHours":19.931592768150065,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:56","end":"20:56","startHours":19.931592768150065,"endHours":20.931592768150065,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:56","end":"21:56","startHours":20.931592768150065,"endHours":21.931592768150065,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:56","end":"22:56","startHours":21.931592768150065,"endHours":22.931592768150065,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:56","end":"23:56","startHours":22.931592768150065,"endHours":23.931592768150065,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:56","end":"00:56","startHours":23.931592768150065,"endHours":24.931592768150065,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:56","end":"01:56","startHours":24.931592768150065,"endHours":25.931592768150065,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:56","end":"02:56","startHours":25.931592768150065,"endHours":26.931592768150065,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:56","end":"03:56","startHours":26.931592768150065,"endHours":27.931592768150065,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:56","end":"04:56","startHours":27.931592768150065,"endHours":28.931592768150065,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:56","end":"05:56","startHours":28.931592768150065,"endHours":29.931592768150065,"planetary_lord":"Sun"}],"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":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"South-West","anandadiYoga":{"name":"Mṛtyu","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":-12.236662388235185,"eotMinutes":-14.492568351336082,"ayanamsa":24.0783}},"calendars":{"vikram_samvat":2073,"vikram_samvatsara":"Saumya","saka_samvat":1938,"saka_samvatsara":"Durmukhi","bengali_samvat":1423,"malayalam_era":1192,"nanakshahi_year":547,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Śukla Pakṣa","solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Śukla Daśamī · Vikram 2073 Saumya · Śaka 1938 Durmukhi"},"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":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 17, 2016 CE · Perth, Australia · Vidhyamitra","description":"February 17, 2016 CE for Perth, Australia: Śukla Daśamī, sūryodaya 05:56, sūryāsta 19:06.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2016-02-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2016-02-17","sa":"https://sa.vidhyamitra.com/city/perth/2016-02-17","hi":"https://hi.vidhyamitra.com/city/perth/2016-02-17","x-default":"https://vidhyamitra.com/city/perth/2016-02-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T09:01:27.889Z","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":"2026-05-15T09:01:27.889Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T09:01:27.889Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}