{"id":"vidhyamitra:city-day:perth:2000-02-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2000-02-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2000-02-17","date_display":"February 17, 2000 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":2000,"month":2,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451591.770833,"kali_year":5101,"ahargana":1863126.2708,"sun":{"sidereal_longitude":303.9297,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":90.3485,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":146.4189,"elapsed_within_tithi_degrees":2.4189},"nakshatra":{"number":7,"name":"Punarvasu","pada":4,"moon_longitude":90.3485,"elapsed_within_degrees":10.3485},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":34.2782},"karana":{"half_tithi_index":24,"name":"Kaulava"},"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":2000,"month":2,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2451591.770833,"ahargana":1863126.2708,"kali_year":5101,"ayanamsa_lahiri":23.8548,"grahas":{"sun":{"sidereal_longitude":303.824423,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":88.168023,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false,"latitude":-0.9543},"mars":{"sidereal_longitude":339.953823,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":321.68532300000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":6.491623000000004,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":274.73382300000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":17.543522999999993,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":102.6042,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":282.6042,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","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":2000,"month":2,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451591.770833,"kali_year":5101,"ahargana":1863126.2708,"sun":{"sidereal_longitude":303.9297,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":90.3485,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":146.4189,"elapsed_within_tithi_degrees":2.4189},"nakshatra":{"number":7,"name":"Punarvasu","pada":4,"moon_longitude":90.3485,"elapsed_within_degrees":10.3485},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":34.2782},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.954,"elongation":146.419},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.954,"opposition_distance":33.581}},"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":13.175476268420534,"dayLengthDisplay":"13 Hours 10 Mins 32 Secs","nightLengthDisplay":"10 Hours 49 Mins 28 Secs","moonriseLocal":"17:03","moonsetLocal":"03:14","rahuKala":{"name":"Rāhu Kāla","start":"14:10","end":"15:49","startHours":14.164444006074833,"endHours":15.8113785396274,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:56","end":"07:35","startHours":5.929771338311999,"endHours":7.576705871864566,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:13","end":"10:52","startHours":9.223640405417132,"endHours":10.8705749389697,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:00","end":"09:27","startHours":9.00404913427679,"endHours":9.443231676557474,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:29","end":"06:50","startHours":6.478749516162855,"endHours":6.830095549987403,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:05","end":"12:57","startHours":12.078326930241582,"endHours":12.956692014802952,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:10","end":"05:03","startHours":4.173041169189261,"endHours":5.05140625375063,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:50","end":"05:56","startHours":4.831814982610288,"endHours":5.929771338311999,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:43","end":"15:36","startHours":14.713422183925688,"endHours":15.591787268487057,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:54","end":"19:18","startHours":18.905247606732534,"endHours":19.305247606732532,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:06","end":"19:39","startHours":19.105247606732533,"endHours":19.65422578458339,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:51","end":"20:36","startHours":18.855247606732533,"endHours":20.605247606732533,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:05","end":"00:57","startHours":24.078326930241584,"endHours":24.95669201480295,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:56","end":"07:35","startHours":5.929771338311999,"endHours":7.576705871864566,"quality":"auspicious"},{"name":"Roga","start":"07:35","end":"09:13","startHours":7.576705871864566,"endHours":9.223640405417132,"quality":"inauspicious"},{"name":"Udveg","start":"09:13","end":"10:52","startHours":9.223640405417132,"endHours":10.8705749389697,"quality":"inauspicious"},{"name":"Chala","start":"10:52","end":"12:31","startHours":10.8705749389697,"endHours":12.517509472522267,"quality":"neutral"},{"name":"Labha","start":"12:31","end":"14:10","startHours":12.517509472522267,"endHours":14.164444006074833,"quality":"auspicious"},{"name":"Amṛta","start":"14:10","end":"15:49","startHours":14.164444006074833,"endHours":15.8113785396274,"quality":"auspicious"},{"name":"Kāla","start":"15:49","end":"17:27","startHours":15.8113785396274,"endHours":17.458313073179966,"quality":"inauspicious"},{"name":"Śubha","start":"17:27","end":"19:06","startHours":17.458313073179966,"endHours":19.105247606732533,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"19:06","end":"20:27","startHours":19.105247606732533,"endHours":20.458313073179966,"quality":"auspicious"},{"name":"Kāla","start":"20:27","end":"21:49","startHours":20.458313073179966,"endHours":21.8113785396274,"quality":"inauspicious"},{"name":"Śubha","start":"21:49","end":"23:10","startHours":21.8113785396274,"endHours":23.16444400607483,"quality":"auspicious"},{"name":"Roga","start":"23:10","end":"00:31","startHours":23.16444400607483,"endHours":24.517509472522267,"quality":"inauspicious"},{"name":"Udveg","start":"00:31","end":"01:52","startHours":24.517509472522267,"endHours":25.8705749389697,"quality":"inauspicious"},{"name":"Chala","start":"01:52","end":"03:13","startHours":25.8705749389697,"endHours":27.223640405417132,"quality":"neutral"},{"name":"Labha","start":"03:13","end":"04:35","startHours":27.223640405417132,"endHours":28.57670587186457,"quality":"auspicious"},{"name":"Amṛta","start":"04:35","end":"05:56","startHours":28.57670587186457,"endHours":29.929771338312,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:56","end":"06:56","startHours":5.929771338311999,"endHours":6.929771338311999,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:56","end":"07:56","startHours":6.929771338311999,"endHours":7.929771338311999,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:56","end":"08:56","startHours":7.929771338311999,"endHours":8.929771338312,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:56","end":"09:56","startHours":8.929771338312,"endHours":9.929771338312,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:56","end":"10:56","startHours":9.929771338312,"endHours":10.929771338312,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:56","end":"11:56","startHours":10.929771338312,"endHours":11.929771338312,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:56","end":"12:56","startHours":11.929771338312,"endHours":12.929771338312,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:56","end":"13:56","startHours":12.929771338312,"endHours":13.929771338312,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:56","end":"14:56","startHours":13.929771338312,"endHours":14.929771338312,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:56","end":"15:56","startHours":14.929771338312,"endHours":15.929771338312,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:56","end":"16:56","startHours":15.929771338312,"endHours":16.929771338312,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:56","end":"17:56","startHours":16.929771338312,"endHours":17.929771338312,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:56","end":"18:56","startHours":17.929771338312,"endHours":18.929771338312,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:56","end":"19:56","startHours":18.929771338312,"endHours":19.929771338312,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:56","end":"20:56","startHours":19.929771338312,"endHours":20.929771338312,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:56","end":"21:56","startHours":20.929771338312,"endHours":21.929771338312,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:56","end":"22:56","startHours":21.929771338312,"endHours":22.929771338312,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:56","end":"23:56","startHours":22.929771338312,"endHours":23.929771338312,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:56","end":"00:56","startHours":23.929771338312,"endHours":24.929771338312,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:56","end":"01:56","startHours":24.929771338312,"endHours":25.929771338312,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:56","end":"02:56","startHours":25.929771338312,"endHours":26.929771338312,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:56","end":"03:56","startHours":26.929771338312,"endHours":27.929771338312,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:56","end":"04:56","startHours":27.929771338312,"endHours":28.929771338312,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:56","end":"05:56","startHours":28.929771338312,"endHours":29.929771338312,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"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":"South (Dakṣiṇa)","chandraVasa":"South","rahuVasa":"North-West","anandadiYoga":{"name":"Gada","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":-12.277763104186825,"eotMinutes":-14.492568351336082,"ayanamsa":23.8548}},"calendars":{"vikram_samvat":2057,"vikram_samvatsara":"Vijaya","saka_samvat":1922,"saka_samvatsara":"Vikrama","bengali_samvat":1407,"malayalam_era":1176,"nanakshahi_year":531,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Śukla Pakṣa","solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Śukla Trayodaśī · Vikram 2057 Vijaya · Śaka 1922 Vikrama"},"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},{"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":"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":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Punarvasu","url":"/day/-1626101-04-03","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 17, 2000 CE · Perth, Australia · Vidhyamitra","description":"February 17, 2000 CE for Perth, Australia: Śukla Trayodaśī, sūryodaya 05:56, sūryāsta 19:06.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2000-02-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2000-02-17","sa":"https://sa.vidhyamitra.com/city/perth/2000-02-17","hi":"https://hi.vidhyamitra.com/city/perth/2000-02-17","x-default":"https://vidhyamitra.com/city/perth/2000-02-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-16T23:24:08.098Z","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":"2026-05-16T23:24:08.098Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-16T23:24:08.098Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}